| Country | City | MiPNetLab | Status O2k |
|---|
| Argentina | Buenos Aires | AR Buenos Aires Boveris A | O2P 1994- |
| Australia | Newtown, Sydney | AU Sydney Stocker R | O2k 2011-2021; present: AU Sydney Kong S |
| Australia | Melbourne | AU Melbourne Bond S | O2k 2015- |
| Australia | Perth | AU Perth Filipovska A | 2 Power-O2k 2010- |
| Australia | Melbourne | AU Melbourne Thouas G | O2k 2008-2010 |
| Australia | New South Wales | AU Sydney James D | 2 Power-O2k 2018- |
| Australia | Melbourne | AU Melbourne Bishop DJ | 5 Power-O2k O2k-Training Centre, 2010- |
| Australia | St Lucia | AU St Lucia Coombes J | O2k 2014- |
| Australia | Melbourne | AU Melbourne White C | O2k 2018 – |
| Australia | Parkville | AU Melbourne Hardee JP | 2 Power-O2k 2019- |
| Australia | Sydney | AU Sydney Griffith SC | O2k 2018- |
| Australia | Southport | AU Southport Peart J | 4 Power-O2k 2012- |
| Australia | Chermside | AU Chermside Molenaar P | 2 Power-O2k 2015- |
| Australia | Sydney | AU Sydney Ballard JW | O2k 2011- |
| Australia | Newtown, Sydney | AU Sydney Kong S | O2k 2011- ; previous: AU Sydney Stocker R |
| Australia | Clayton | AU Clayton St John J | O2k 2011- |
| Australia | Melbourne | AU Melbourne Trounce IA | O2k 2010- |
| Australia | Darkinghurst | AU Sydney Philp A | 3 Power-O2k 2018- |
| Australia | Melbourne
Victoria | AU Melbourne Coughlan M | O2k 2017 – |
| Australia | Southport | AU Queensland Neuzil J | |
| Austria | Innsbruck | AT Innsbruck Burtscher M | O2k 2011-2018 |
| Austria | Innsbruck | AT Innsbruck Schneeberger S | 4 Power-O2k 2020- |
| Austria | Vienna | AT Vienna Bittner RE | O2k 2003- |
| Austria | Kolsass | AT Kolsass WGT | O2k 2001- |
| Austria | Salzburg | AT Salzburg Sperl W | O2k 2003- |
| Austria | Innsbruck | AT Innsbruck Oroboros | The Power-O2k 1992- |
| Austria | Aldrans | AT Innsbruck Inncode technologies | |
| Austria | Graz | AT Graz Graier W | O2k 2006- |
| Austria | Innsbruck | AT Innsbruck Gnaiger E | 20 Power-O2k O2k-Training Centre, 1988- |
| Austria | Innsbruck | AT Innsbruck MitoFit | 12 Power-O2k 2011-2018 |
| Austria | Innsbruck | AT Innsbruck Burgstaller W | O2k 2009- |
| Austria | Graz | AT Graz Zechner R | O2k 2013- |
| Austria | Vienna | AT Vienna Kozlov AV | 3 Power-O2k 2004- |
| Austria | Salzburg | AT Salzburg Breitenbach M | O2k 2003-2018 |
| Austria | Innsbruck | AT Innsbruck Jansen-Duerr P | 2 Power-O2k 2004- |
| Belgium | Leuven | BE Leuven Spinazzi M | O2k 2015-2018 |
| Belgium | Liege | BE Liege Sluse F | O2P |
| Belgium | Leuven | BE Leuven Vermeersch P | O2k 2016- |
| Belgium | Gent | BE Gent Braeckman BP | O2k 2009- |
| Belgium | Liege | BE Liege Votion DM | 4 Power-O2k 2007- |
| Brasil | Brasilia | BR Brasilia De Bem AF | O2k 2014 – |
| Brazil | Porto Alegre | BR Porto Alegre Klamt F | O2k 2013- |
| Brazil | Sao Paulo | BR Sao Paulo Inada NM | O2k 2021- |
| Brazil | Manaus, AM | BR Manaus Val AL | O2k 2015- |
| Brazil | Campinas | BR Campinas Carneiro EM | O2k 2012- |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Institute Biomedical Chemistry | 7 Power-O2k 2007- |
| Brazil | Sao Paulo | BR Sao Paulo Bresciani Martins de Andrade P | O2k 2012- |
| Brazil | Porto Alegre | BR Porto Alegre Souza DOG | 3 Power-O2k 2013- |
| Brazil | Campinas | BR Campinas Castilho R | 3 Power-O2k 2022-; previous: BR Campinas Vercesi AE |
| Brazil | Ribeirao Preto | BR Ribeirao Preto Alberici LC | O2k 2012- |
| Brazil | São Paulo | BR Sao Paulo Ferreira JCB | O2k 2014- |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Vieyra A | O2k 2012- |
| Brazil | Criciuma, SC | BR Criciuma Dal-Pizzol F | O2k 2015- |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Paes MC | O2k 2013- |
| Brazil | Sao Paulo | BR Sao Paulo Silber AM | O2k 2014- |
| Brazil | Campinas | BR Campinas Vercesi AE | 2 Power-O2k 2006-2022; present: BR Campinas Castilho R |
| Brazil | Florianopolis | BR Florianapolis Latini A | O2k 2008- |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Rumjanek FD | O2k 2013-2021 |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Moura AS | O2k 2010- |
| Brazil | Santa Maria | BR Santa Maria Soares FA | O2k 2017 – |
| Brazil | Sao Gabriel | BR Sao Gabriel Franco JL | O2k 2010- |
| Brazil | São Paulo | BR Sao Paulo Kowaltowski AJ | O2k 2009- |
| Brazil | Jaboticabal | BR Jaboticabal Oliveira MT | O2k 2014- |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Galina A | 3 Power-O2k O2k-Training Centre, 2007- |
| Brazil | Sao Paulo | BR Sao Paulo Festuccia W | O2k 2016 – |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Oliveira MF | 2 Power-O2k 2010- |
| Brazil | Rio de Janeiro | BR Rio de Janeiro Da Poian AT | O2k 2011- |
| Brazil | Criciúma | BR Criciuma Muller AP | |
| CA | Quebec City | CA Quebec Soliz J | 2 Power-O2k 2016 – |
| CN | Zengzhou | CN Zengzhou Wu S | 2 Power-O2k 2014- |
| Canada | Toronto | CA Toronto Perry CG | 4 Power-O2k 2013- |
| Canada | Montreal | CA Montreal Hepple RT | O2k 2007-2016; present: US FL Gainesville Hepple RT |
| Canada | London | CA London Staples JF | O2k 2010- |
| Canada | Charlottetown | CA Charlottetown Kamunde C | O2k 2015 - |
| Canada | Guelph | CA Guelph Holloway GP | 4 Power-O2k 2009- |
| Canada | Antigonish | CA Antigonish Kane DA | 2 Power-O2k 2010- |
| Canada | Waterloo | CA Waterloo Quadrilatero J | O2k 2014- |
| Canada | Hamilton | CA Hamilton Singh G | O2k 2003- |
| Canada | Kingston | CA Kingston McGlory C | 2 Power-O2k 2020- |
| Canada | Toronto | CA Toronto Hood DA | O2k 2014- |
| Canada | Moncton | CA Moncton Hebert-Chatelain E | 2 Power-O2k 2015 – |
| Canada | Toronto | CA Toronto Bellissimo C | O2k 2023- |
| Canada | Vancouver | CA Vancouver Richards JG | 2 Power-O2k 2005- |
| Canada | Guelph | CA Guelph Ballantyne JS | O2k 2009- |
| Canada | Calgary | CA Calgary Shearer J | O2k 2008- |
| Canada | Moncton | CA Moncton Boudreau L | O2k 2016- |
| Canada | Montcon | CA Moncton Pichaud N | O2k 2018- |
| Canada | Montreal | CA Montreal Bergdahl A | O2k 2004- |
| Canada | Winnipeg | CA Winnipeg Treberg JR | 2 Power-O2k 2012- |
| Canada | Vancouver | CA Vancouver Boushel RC | 2 Power-O2k 2015- previous: SE Stockholm Boushel RC |
| Canada | Hamilton | CA Hamilton Scott GR | O2k 2013- |
| Canada | Waterloo | CA Waterloo Joseph JW | O2k 2013- |
| Canada | Hamilton | CA Hamilton Tarnopolsky MA | O2k 2004- |
| Canada | Ottawa | CA Ottawa Pamenter M | O2k 2017- |
| Canada | Ottawa | CA Ottawa Harper ME | 2 Power-O2k 2012- |
| Canada | Winnipeg | CA Winnipeg Fernyhough P | O2k 2007- |
| Canada | Edmonton | CA Edmonton Seubert J | O2k 2021- |
| Canada | Rimouski | CA Rimouski Blier PU | 5 Power-O2k 2004- |
| Canada | Saint John | CA Saint John Pulinilkunnil T | 2 Power-O2k 2013- |
| Canada | Chalk River | CA Chalk River Paterson L | 2 Power-O2k 2017- |
| Canada | Ottawa | CA Ottawa Darveau CA | O2k 2007- |
| Canada | Montréal | CA Montreal Breton S | O2k 2014- |
| Canada | Kelowna | CA Kelowna Islam H | 2 Power-O2k 2022- |
| Canada | Sherbrooke | CA Sherbrooke Blondin DP | 2 Power-O2k 2019- |
| Canada | Quebec | CA Quebec Joseph V | O2k 2024- |
| Canada | Waterloo | CA Waterloo McDonald AE | O2k 2011- |
| Canada | Edmonton | CA Edmonton Lemieux H | 3 Power-O2k 2010- |
| Canada | Winnipeg | CA Winnipeg Banerji V | O2k 2018- |
| Canada | Edmonton | CA Edmonton Zaugg M | O2k 2008- |
| Canada | Montreal | CA Montreal Gouspillou G | O2k 2018- |
| Chile | Talca | CL Santiago Regueira T | O2k 2009- |
| China | Shanghai | CN Shanghai Liu T | 4 Power-O2k 2018- |
| China | Chongqing | CN Chongqing Huang J | O2k 2012- |
| China | Dalian | CN Dalian Zhan L | O2k 2013-2019 |
| China | Shanghai | CN Shanghai Yi X | O2k 2015- |
| China | Beijing | CN Beijing Qin Y | 3 Power-O2k 2015- |
| China | Chongqing | CN Chongqing Zhu Z | 3 Power-O2k 2012- |
| China | Baoding | CN Baoding Liu F | O2k 2015- |
| China | Guangzhou | CN Guangzhou Liu J | O2k 2014- |
| China | Guangzhou | CN Guangzhou Zhang X | O2k 2014 – |
| China | Tianjin | CN Tianjin Zhang Y | 2 Power-O2k 2009- |
| China | Fujian | CN Xiamen Lin SC | O2k 2018- |
| China | Beijing | CN Beijing Li C | O2k 2008- |
| China | Beijing | CN Beijing Yuan Z | O2k 2012- |
| China | Baoding | CN Baoding Cao X | O2k 2009- |
| China | Hangzhou | CN Hangzhou Zhu W | 2 Power-O2k 2014- |
| China | Beijing | CN Beijing Huawei | Oroboros distributor China |
| China | Tianjian | CN Tianjin Zhao H | O2k 2014- |
| China | Beijing | CN Beijing Chen Q | O2k 2013- |
| China | Bincheng City | CN Jinan Wang C | O2k 2013- |
| China | Beijing | CN Beijing Liu L | O2k 2012- |
| China | Zunyi | CN Zunyi Zhou S | O2k 2015- |
| China | Nanjing | CN Nanjing Gan Z | O2k 2015- |
| China | Beijing | CN Beijing Wang X | 2 Power-O2k 2008-
Previous: US TX Dallas Wang X |
| China | Wuhan | CN Wuhan Huang K | O2k 2015- |
| China | Shanghai, Beijing, Wuhan | CN Shanghai Zenda | |
| Colombia | Medellin | CO Medellin Gomez LA | O2k 2014- |
| Croatia | Split | HR Split Ljubkovic M | O2k 2014- |
| Cuba | Havana | CU Havana Pardo Andreu GL | 2 Power-O2k 2016- |
| Czech Republic | Prague | CZ Prague Fisar Z | 2 Power-O2k O2k 2008- |
| Czech Republic | Prague | CZ Prague Kopecky J | 2 Power-O2k 2007- |
| Czech Republic | Olomouc | CZ Olomouc Modriansky M | O2k 2010- |
| Czech Republic | Prague | CZ Prague Jezek P | 2 Power-O2k 2004- |
| Czech Republic | Prague | CZ Prague Dvorak A | O2k 2021- |
| Czech Republic | Prague | CZ Prague Zeman J | O2k 2012- |
| Czech Republic | Pardubice | CZ Pardubice Rousar T | 2 Power-O2k 2014 – |
| Czech Republic | Pilsen | CZ Pilsen Kuncova J | 4 Power-O2k 2009- |
| Czech Republic | Prague | CZ Prague Pichova A | O2k 2005-2021 |
| Czech Republic | Prague | CZ Prague Houstek J | 2 Power-O2k 2002- |
| Czech Republic | Prague | CZ Prague Krajcova A | O2k 2016- |
| Czech Republic | Prague | CZ Prague Neuzil J | 2 Power-O2k 2011- |
| Czech Republic | Prague | CZ Prague Kalous M | 2 Power-O2k 2012- |
| Czech Republic | Hradec Kralove | CZ Hradec Kralove Cervinkova Z | 3 Power-O2k 2002- |
| Czech Republic | Prague | CZ Prague Bioenergetics | 4 Power-O2k 2002- |
| Czech Republic | Ceske Budejovice | CZ Ceske Budejovice Zikova A | O2k 2016 – |
| DE | Bonn | DE Bonn Kunz WS | O2k 2007 – |
| DE | Düsseldorf | DE Duesseldorf Ibing W | O2k 2014 – |
| Denmark | Copenhagen | DK Copenhagen Dela F | 9 Power-O2k 2004-2018; present: DK Copenhagen Larsen S |
| Denmark | Måløv | DK Malov Hey-Mogensen M | O2k 2013- |
| Denmark | Copenhagen | DK Copenhagen Lundby C | 3 Power-O2k 2017-; previous: CH Zurich Lundby C |
| Denmark | Copenhagen | DK Copenhagen Larsen S | 14 Power-O2k 2018- ; previous: DK Copenhagen Dela F, DK Copenhagen Quistorff B |
| Denmark | Copenhagen | DK Copenhagen Pilegaard H | 3 Power-O2k 2015- |
| Denmark | Copenhagen | DK Copenhagen Gerhart-Hines Z | O2k 2018- |
| Denmark | Copenhagen | DK Copenhagen Quistorff B | 5 Power-O2k 2005-2023 |
| Denmark | Copenhagen | DK Copenhagen Christiansen M | O2k 2010- |
| Denmark | Aarhus | DK Aarhus Martensen PM | O2k 2022- |
| Denmark | Aarhus C | DK Aarhus Fago A | 4 Power-O2k 2016 – |
| Denmark | Aarhus | DK Aarhus Boetker HE | 3 Power-O2k 2012- |
| Denmark | Copenhagen | DK Copenhagen Larsen AK | O2k 2010 – |
| Egypt | Cairo | EG Cairo Ali SS | 3 Power-O2k 2012- |
| Estonia | Tartu | EE Tartu Seppet EK | 3 Power-O2k 2006-2012; present: EE Tartu Paju K |
| Estonia | Tallinn | EE Tallinn Saks VA | 2 Power-O2k 2006-2012; present: EE Tallinn Kaambre T |
| Estonia | Tartu | EE Tartu Paju K | 3 Power-O2k 2012- ; previous: EE Tartu Seppet EK |
| Estonia | Tallinn | EE Tallinn Kaambre T | 4 Power-O2k 2006- ; previous: EE Tallinn Saks VA |
| Finland | Helsinki | FI Helsinki Jacobs HT | O2k 2011- previous: FI Tampere Dufour E |
| Finland | Helsinki | FI Helsinki Mervaala E | O2k 2011- |
| Finland | Helsinki | FI Helsinki Pirinen E | O2k located at: FI Helsinki Wartiovaara A |
| Finland | Helsinki | FI Helsinki University of Helsinki | 3 Power-O2k 2011- |
| Finland | Oulu | FI Oulu Kastaniotis A | O2k 2011- |
| Finland | Jyväskylä | FI Jyväskylä Kainulainen H | 2 Power-O2k 2013- |
| Finland | Helsinki | FI Helsinki Wikstroem M | O2P |
| Finland | Turku | FI Turku Nikinmaa M | O2k 2004 – |
| Finland | Tampere | FI Tampere Dufour E | O2k 2011-2014 present: FI Helsinki Jacobs HT |
| Finland | Helsinki | FI Helsinki Wartiovaara A | 2 Power-O2k 2015- |
| France | Montpellier | FR Montpellier Fauconnier J | O2k 2014 – |
| France | Marseille | FR Marseille Bioenergetics | 2 Power-O2k 2005 |
| France | Paris | FR Paris Bouillaud F | 6 Power-O2k O2k-Training Centre, 2003- |
| France | Strasbourg | FR Strasbourg Blanc S | O2k 2012 – |
| France | Pessac | FR Pessac Pasdois P | 3 Power-O2k 2004- |
| France | Montpellier Cedex 1 | FR Montpellier Chabi B | 3 Power-O2k 2006- |
| France | Lille | FR Lille Vienne JC | O2k 2008- |
| France | Bordeaux Pessac | FR Bordeaux Pagano Zottola A | O2k 2023- |
| France | Saint-Gilles | FR Saint Gilles Lefaucheur L | O2k 2003- |
| France | Strasbourg | FR Strasbourg Zoll J | 2 Power-O2k 2011- |
| France | Toulouse | FR Toulouse Dray C | O2k 2015- |
| France | Angers | FR Angers Andriantsitohaina R | O2k 2010- |
| France | Lille Cedex | FR Lille Lancel Steve | O2k 2020 – |
| France | Montpellier | FR Montpellier Prouteau-Angebault C | O2k 2013 – |
| France | Grenoble | FR Grenoble Saks VA | 2 Power-O2k 2005-2012; present: FR Grenoble Schlattner U |
| France | Lille | FR Lille Boutry M | O2k 2008-2015 |
| France | La Rochelle | FR La Rochelle Rosenfeld E | 2 Power-O2k 2009- |
| France | Bordeaux cedex | FR Bordeaux Mourier A | 4 Power-O2k 2017- |
| France | Paris | FR Paris Wai T | 2 Power-O2k 2017- |
| France | Dijon | FR Dijon Leloup C | O2k 2009 – |
| France | Bretigny sur Orge Cedex | FR Evry Tardo-Dino PE | 3 Power-O2k 2020- |
| France | Suresnes | FR Suresnes Sabatini M | O2k 2007- |
| France | Tours | FR Tours Dumas JF | 2 Power-O2k 2011- |
| France | Villeurbanne | FR Villeurbanne Romestaing C | 4 Power-O2k 2010- |
| France | Martinique | FR Fort de France Neviere R | 2 Power-O2k 2003- |
| France | Marseille | FR Marseille Brasseur G | O2k 2005- |
| France | Angers | FR Angers Gueguen N | 5 Power-O2k 2006- |
| France | Aubiere Cedex | FR Aubiere Sirvent P | O2k 2015 – |
| France | Toulouse Cedex | FR Toulouse Letellier T | O2k 2009- |
| France | Bordeaux | FR Bordeaux Rossignol R | 2 Power-O2k 2003- |
| France | Toulouse | FR Toulouse Casteilla L | O2k 2003- |
| France | Marseille | FR Marseille Denis M | O2P |
| France | Lyon | FR Lyon Ovize M | O2k 2006 – |
| France | Bordeaux | FR Bordeaux Devin A | 2 Power-O2k 2010- |
| France | Lille | FR Lille Duez H | O2k 2013 – |
| France | Bordeaux cedex | FR Bordeau Di Rago JP | O2k 2007- |
| France | Marseille | FR Marseille Gregori G | O2k 2006-2023 |
| France | Grenoble | FR Grenoble Schlattner U | O2k 2005- ; previous FR Grenoble Saks VA |
| France | Plouzane | FR Plouzane Salin K | 2 Power-O2k 2016- |
| France | Montpellier | FR Montpellier Salmon JM | O2k 2003 – 2021; present: FR Montpellier Chabi B |
| Germany | Ulm | DE Ulm Radermacher P | 2 Power-O2k 2006- |
| Germany | Hannover | DE Hannover Hildebrandt T | O2k 2015- |
| Germany | Leipzig | DE Leipzig Maskow T | O2k 2014 – |
| Germany | Seewiesen | DE Seewiesen Casagrande S | 2 Power-O2k 2017 – |
| Germany | Würzburg | DE Wuerzburg Maack C | 2 Power-O2k 2018- |
| Germany | Frankfurt | DE Frankfurt Wittig I | O2k 2016- |
| Germany | Rostock | DE Rostock Sokolova I | 2 Power-O2k 2016 – |
| Germany | Gießen | DE Giessen Rohrbach S | 2 Power-O2k 2003- |
| Germany | Magdeburg | DE Magdeburg Gellerich FN | 2 Power-O2k 2004- |
| Germany | Munich | DE Munich Elstner M | O2k 2003-2014 |
| Germany | Bonn | DE Bonn Pfeifer A | 2 Power-O2k 2011 – |
| Germany | Neuherberg | DE Munich Jastroch M | O2k 2012 – |
| Germany | Wilhelmshaven | DE Wilhelmshaven Salmon P | |
| Germany | Duesseldorf | DE Duesseldorf IUF | O2k 2010- |
| Germany | Frankfurt | DE Frankfurt Eckert GP | O2k 2010-2016; present: DE Giessen Eckert GP |
| Germany | Giessen | DE Giessen Eckert GP | 2 Power-O2k 2016–; previous: DE Frankfurt Eckert GP |
| Germany | Leipzig | DE Leipzig Mueller A | O2k 2004 – |
| Germany | Duesseldorf | DE Duesseldorf Westenfeld R | 3 Power-O2k 2021- |
| Germany | Goettingen | DE Goettingen Mueller M | O2k 2017 - |
| Germany | Jena | DE Jena Szibor M | NextGen-O2k |
| Germany | Mannheim | DE Heidelberg Labeit S | O2k 2009- |
| Germany | Hamburg | DE Hamburg Heine M | O2k 2019- |
| Germany | Biberach | DE Biberach Markgraf D | 2 Power-O2k 2004- |
| Germany | Duesseldorf | DE Duesseldorf Haendeler J | 3 Power-O2k 2010- |
| Germany | Munich | DE Munich Zischka H | O2k 2015- |
| Germany | Ulm | DE Ulm Karabatsiakis A | 4 Power-O2k 2014-2019, present: DE Ulm Gumpp A |
| Germany | Regensburg | DE Regensburg Renner-Sattler K | 2 Power-O2k 2005- |
| Germany | Essen | DE Essen De Groot H | O2k 2009–2019; present: DE Essen Kirsch M |
| Germany | Goettingen | DE Goettingen Krischek C | 3 Power-O2k 2015-2018; present: DE Goettingen Moerlein D |
| Germany | Kronshagen | DE Kronshagen Grams B | O2k 2017- |
| Germany | Cologne | DE Cologne Antebi A | O2k 2014- |
| Germany | Heidelberg | DE Heidelberg Teleman A | O2k 2012 – |
| Germany | Cologne | DE Cologne Pesta D | 2 Power-O2k 2020- |
| Germany | Goettingen | DE Goettingen Wicke M | 3 Power-O2k 2004-2015; present: DE Goettingen Krischek C |
| Germany | Nuthetal | DE Nuthetal Klaus S | O2k 2011- |
| Germany | Leipzig | DE Leipzip Ost M | |
| Germany | Goettingen | DE Goettingen Dennerlein S | O2k 2014 – |
| Germany | Tuebingen | DE Tuebingen Weigert C | 2 Power-O2k 2016- |
| Germany | Essen | DE Essen Ferenz KB | O2k 2019- ; previous: DE Essen De Groot H |
| Germany | Magdeburg | DE Magdeburg Klinik Neurologie | 4 Power-O2k 2003- |
| Germany | Ulm | DE Ulm Gumpp A | 4 Power-O2k 2019-2022 , previous: DE Ulm Karabatsiakis A |
| Germany | Munich | DE Munich Perocchi F | O2k 2007-2013 |
| Germany | Frankfurt | DE Frankfurt Osiewacz HD | 2 Power-O2k 2009- |
| Germany | Magdeburg | DE Magdeburg Schild L | O2k 2014- |
| Germany | Frankfurt am Main | DE Frankfurt Leeuw T | 3 Power-O2k 2012- |
| Germany | Hamburg | DE Hamburg Singer D | O2k 2007- |
| Germany | Regensburg | DE Regensburg Reichold M | O2k 2011– |
| Germany | Hottersheim | DE Hottersheim Kabiri M | O2k 2006 – |
| Germany | Cologne | DE Cologne Trifunovic A | 3 Power-O2k 2009- |
| Germany | Frankfurt | DE Frankfurt Schmoll D | O2k 2009- |
| Germany | Frankfurt | DE Frankfurt Droese S | O2k 2013- |
| Germany | Heidelberg | DE Heidelberg Mairbaeurl H | O2P 2003- |
| Germany | Freising | DE Freising Klingenspor M | 2 Power-O2k 2013- |
| Germany | Essen | DE Essen Kirsch M | O2k 2019- ; previous: DE Essen De Groot H |
| Germany | Duesseldorf | DE Duesseldorf Grieshaber MK | O2P |
| Germany | Magdeburg | DE Magdeburg Debska-Vielhaber G | 2 Power-O2k 2003- |
| Germany | Duesseldorf | DE Duesseldorf Roden M | 9 Power-O2k O2k-Training Centre, 2009- |
| Germany | Giessen | DE Giessen Weissmann N | 3 Power-O2k incl. 1 NextGen-O2k 2006- |
| Germany | Kiel | DE Kiel Herdegen T | O2k 2009– |
| Germany | Essen | DE Essen Bienholz A | O2k 2011- |
| Germany | Munich | DE Munich Wollenberg B | O2k 2022- |
| Germany | Goettingen | DE Goettingen Moerlein D | 3 Power-O2k 2018-; previous: DE Goettingen Krischek C |
| Germany | Bremerhaven | DE Bremerhaven Mark FC | 3 Power-O2k 2001- |
| Germany | Koblenz | DE Koblenz Ortmann C | O2P |
| Germany | Freiburg | DE Freiburg Pfanner N | 2 Power-O2k 2007 – |
| Germany | Freiburg | DE Freiburg Schuele R | O2k 2013- |
| Germany | Essen | DE Essen Gedik N | 2 Power-O2k 2019- |
| Germany | Konstanz | DE Konstanz Brdiczka D | O2P |
| Germany | Berlin | DE Berlin Boschmann M | O2k 2011-2019 |
| Germany | Mainz | DE Mainz Methner A | O2k 2013- |
| Germany | Magdeburg | DE Magdeburg Schoenfeld P | |
| Hongkong | Hongkong | CN Hongkong Huawei | Oroboros distributor Hongkong |
| Hungary | Szeged | HU Szeged Boros M | 2 Power-O2k 2013- |
| Hungary | Budapest | HU Budapest Tretter L | 2 Power-O2k O2k-Training Centre, 2008- |
| Hungary | Budapest | HU Budapest Chinopoulos C | O2k-Training Centre O2k 2012- |
| Hungary | Semmelweis | HU Budapest Semmelweis Univ | 3 Power-O2k 2008- |
| Hungary | Debrecen | HU Debrecen Virag L | O2k 2014- |
| India | Hyderabad | IN Hyderabad Thangaraj K | O2k 2008- |
| India | Hyderabad | O2k-Network Manager India | O2k-Network Manager |
| India | Thiruvananthapuram | IN Thiruvananthapuram Gopala S | O2k 2015- |
| India | Chennai | IN Chennai Labmate | Oroboros distributor India |
| India | Haldia | IN Haldia Chakrabarti S | O2k 2012-2018 |
| India | Varanasi | IN Varanasi Dash D | O2k 2013- |
| India | New Delhi | IN New Delhi Mukhopadhyay A | O2k 2012- |
| India | Lucknow | IN Lucknow Gayen JR | O2k 2018- |
| India | Mumbai | IN Mumbai Kolthur-Seetharam U | O2k 2009- |
| Ireland | Dublin | IE Dublin Porter RK | O2k 2007- |
| Ireland | Dublin | IE Dublin O Gorman D | 2 Power-O2k 2008- |
| Ireland | Dublin | IE Dublin Miinalainen I | O2k 2008-2013 |
| Israel | Ramat Gan | IL Ramat Gan Yardeni T | 2 Power-O2k 2022- |
| Israel | Rishon Le Zion | IL Rishon Le Zion Hachmo Y | 6 Power-O2k 2016 –2023 |
| Italy | Bari | IT Bari Cantatore P | O2k 2014- |
| Italy | Udine | IT Udine Mavelli I | O2k 2008- |
| Italy | Bologna | IT Bologna Genova ML | O2P |
| Italy | Catania | IT Catania Messina A | O2k 2019- |
| Italy | Foggia | IT Foggia Capitanio N | O2k 2006- |
| Italy | Bari | IT Bari Atlante A | O2k 2012 – |
| Italy | Verona | IT Verona Venturelli M | 2 Power-O2k 2022- ; previous: IT Verona Calabria E |
| Italy | Novara | IT Novara Filigheddu N | O2k 2020- |
| Italy | Napoli | IT Naples Iossa S | O2k 2016- |
| Italy | Pozzuoli | IT Pozzuoli Ligresti A | O2k 2020- |
| Italy | Milan | IT Milan Clementi E | O2k 2008- |
| Italy | Bolzano | IT Bolzano Pichler I | O2k 2015- |
| Italy | Bari | IT Bari Palmieri L | O2k 2014- |
| Italy | Udine | IT Udine Grassi B | O2k 2008- |
| Italy | Cagliari | IT Cagliari Lai N | O2k 2013-; previous: US VA Norfolk Lai N |
| Italy | Rome | IT Rome Scatena R | O2k 2007- |
| Italy | Padova | IT Padova Viscomi C | NextGen-O2k |
| Italy | Firenze | IT Florence Morandi A | O2k 2020- |
| Italy | Rome | IT Rome Giuffre A | 2 Power-O2k incl. 1 NextGen-O2k 2006- |
| Italy | Padova | IT Padova Morosinotto T | NextGen-O2k |
| JP | Tokyo | JP Tokyo Sanyo | |
| Japan | Sapporo | JP Sapporo Yokota T | 4 Power-O2k 2014- |
| Japan | Tokyo | JP Tokyo Uchino H | 3 Power-O2k 2010- |
| Japan | Ami | JP Ibaraki Nakayama T | O2k 2013- |
| Japan | Sagamihara | JP Sagamihara Kobayashi H | O2k 2012- |
| Japan | Tokushima | JP Tokushima Okuno H | O2k 2020- |
| Japan | Tokyo | JP Tokyo Tanaka M | O2k 2008- |
| Japan | Tokyo, Osaka | JP Tokyo Berthold | Oroboros distributor Japan |
| Latvia | Riga | LV Riga Liepins E | 5 Power-O2k 2015- |
| Latvia | Riga | LV Riga Jansone B | 2 Power-O2k 2018- |
| Lithuania | Vilnius | LT Vilnius Zimkus A | O2k 2008– |
| Lithuania | Kaunas | LT Kaunas Briedis V | O2k 2014- |
| Lithuania | Kaunas | LT Kaunas Borutaite V | O2k 2010-2022; present: LT_Kaunas_Baniene R |
| Lithuania | Kaunas | LT Kaunas Baniene R | 3 Power-O2k 2010- ; previous: LT Kaunas Borutaite V |
| Macao | Macao | CN Macao Huawei | Oroboros distributor Macao |
| Malaysia | Kuala Lumpur | MY Kuala Lumpur Abdul Karim N | O2k 2015- |
| Mexico | San Pedro | MX San Pedro Garcia-Rivas G | O2k 2017- |
| Mexico | Mexico City | MX Mexiko City Moreno-Sanchez R | O2k 2015-2022 |
| Mexico | Mexico City | MX Mexico City Aguirre J | O2k 2016 – |
| Mexico | Mexico City | MX Mexico City Pedraza Chaverri J | O2k 2015 – |
| Mexico | Mexico City | MX Mexico City Uribe-Carvajal S | O2k 2015- |
| New Zealand | Auckland | NZ Auckland Ward ML | O2k 2015- |
| New Zealand | Auckland | NZ Auckland GBC BioMed | |
| New Zealand | Auckland | NZ Auckland Pham T | O2k 2023- |
| New Zealand | Auckland | NZ Auckland Hickey AJ | 8 Power-O2k 2006- |
| Norway | As | NO As Egelandsdal B | 2 Power-O2k 2009- |
| Norway | Trondheim | NO Trondheim Hoydal MA | 3 Power-O2k 2011- |
| Norway | Bergen | NO Bergen Berge RK | O2k 2003- |
| Norway | Bergen | NO Bergen Univ Bergen | 2 Power-O2k 2003- |
| Norway | Bergen | NO Bergen Tronstad KJ | O2k 2003- |
| Norway | Oslo | NO Oslo Eide L | 2 Power-O2k 2006- |
| Norway | Matredal | NO Matredal Olsen RE | O2k 2014 – 2017 |
| Norway | Tromsoe | NO Tromsoe Larsen TS | 2 Power-O2k 2005- |
| Norway | Trondheim | NO Trondheim Grill V | O2k 2010- |
| Norway | Tromsø | NO Tromsoe Ingebretsen OC | O2k 2013 – |
| Norway | Tromsoe | NO Tromsoe Wood SH | 2 Power-O2k 2019- |
| Poland | Krakow | PL Krakow Dembinska-Kiec A | O2k 2008 – |
| Poland | Gdansk | PL Gdansk Kaczor JJ | 2 Power-O2k 2012- |
| Poland | Poznan | PL Poznan Jarmuszkiewicz W | O2k 2017- |
| Poland | Warsaw | PL Warsaw Bednarczyk P | O2k 2014- |
| Poland | Lodz | PL Lodz Watala C | 2 Power-O2k 2010- |
| Poland | Bialystok | PL Bialystok Zabielski P | |
| Poland | Warsaw | PL Warsaw Zablocki K | O2k 2010- |
| Poland | Poznan | PL Poznan Michalak S | O2k 2014- |
| Poland | Warsaw | PL Warsaw Szewczyk A | O2k 2004- |
| Portugal | Porto | PT Porto Magalhaes J | O2k 2022 – |
| Portugal | Coimbra | PT Coimbra Laranjinha J | O2k 2012- |
| Portugal | Coimbra | PT Coimbra Carvalho E | O2k 2017 – |
| Portugal | Oeiras | PT Oeiras Teixeira M | O2k 2012 – |
| Qatar | Doha | QA Doha Guarch ME | 2 Power-O2k 2018- |
| Republic of Korea | Seoul | KR Seoul Lee HK | O2k 2005-2013; present: KR Seoul Koh HE |
| Republic of Korea | 13620 | KR Seongnam Lee J | O2k 2017- |
| Republic of Korea | Seoul | KR Seoul Pak YK | 2 Power-O2k 2007- |
| Republic of Korea | Seoul | KR Seoul Mymed | 2013-2017 |
| Republic of Korea | Busan | KR Busan Han J | 2 Power-O2k O2k-Training Centre, 2014- |
| Republic of Korea | Incheon | KR Incheon Kwak HB | O2k-Training Centre O2k 2014- |
| Republic of Korea | Ulsan | KR Ulsan Lim CH | O2k 2015- |
| Republic of Korea | Seoul | KR Seoul Scitech Korea | |
| Republic of Serbia | Belgrade | RS Belgrade Lalic NM | O2k 2016 – |
| Romania | Timisoara | RO Timisoara Muntean DM | 3 Power-O2k 2010- |
| Romania | Timisoara | RO Timisoara Tatu C | O2k 2013 – |
| Russia | Chernogolovka | RU Chernogolovka Shevtsova EF | O2k 2002- |
| Russia | Moscow | RU Moscow Itkis YS | O2k 2012- |
| Russia | Moscow | RU Moscow Skulachev VP | O2k 2006- |
| Russia | Pushkino | RU Pushkino Bulgakov V | O2k 2010 – |
| Russia | Moscow | RU Moscow Koroleva IA | O2k 2010 – |
| Russia | Nizhny Novgorod | RU Nizhny Novgorod Mukhina I | O2k 2013 – |
| Russia | Pushchino | RU Pushchino Mironova GD | O2k 2007 – |
| Russia | Moscow | RU Dolgoprudny Motovilov KA | O2k 2012 – 2019 |
| Scotland, UK | Aberdeen | UK Aberdeen Speakman JR | O2k 2007- |
| Singapore | Singapore | SG Singapore Hausenloy DJ | O2k 2011-2015 |
| Singapore | Singapore | SG Singapore Kovalik JP | O2k 2011- |
| Slovak Republic | Bratislava | SK Bratislava Sumbalova Z | 2 Power-O2k 2011- |
| Slovakia | Martin | SK Martin Kolisek M | O2k 2017- |
| South Africa | Cape Town | ZA Cape Town Maarman GJ | O2k 2020- |
| South Africa | Cape Town | ZA Cape Town Mendham A | 3 Power-O2k 2017-; previous: ZA Cape Town Ojuka EO |
| South Africa | Cape Town | ZA Cape Town Ojuka EO | 2 Power-O2k 2013-2017; present: ZA Cape Town Smith J |
| South Africa | Potchefstroom | ZA Potchefstroom Louw R | O2k 2021- |
| South Africa | Cape Town | O2k-Network Manager South Africa | O2k-Network Manager |
| Spain | Malaga | ES Malaga Medina MA | O2k 2008- |
| Spain | Barcelona | ES Barcelona Garcia-Roves PM | O2k-Training Centre, 2010- |
| Spain | Barcelona | ES Barcelona Gomis R | O2k 2006-2010 |
| Spain | Valencia | ES Valencia Gomez Cabrera | O2k 2020- |
| Spain | Madrid | ES Madrid Enriquez JA | O2k 2020- |
| Spain | Valencia | ES Valencia Meseguer S | O2k 2017 – |
| Spain | Tarragona | ES Tarragona Arola L | O2k 2009- |
| Spain | Valencia | ES Valencia Casado Pinna M | O2k 2014- |
| Spain | Madrid | ES Madrid Cadenas S | O2k 2004- |
| Spain | Barcelona | ES Barcelona Zorzano A | 3 Power-O2k 2008- |
| Spain | Barcelona | ES Barcelona Claret M | O2k 2006 – |
| Spain | Zaragoza | ES Zaragoza Ruiz-Pesini E | O2k 2008- |
| Spain | Granada | ES Granada Acuna-Castroviejo D | O2k 2006- |
| Spain | Pamplona | ES Pamplona Izquierdo M | O2k 2021- |
| Spain | Las Palmas de Gran Canaria | ES CN Las Palmas Calbet JAL | 2 Power-O2k 2015- |
| Spain | Barcelona | ES Barcelona IDIBAPS Hospital Clinic | 3 Power-O2k 2006- |
| Spain | Lleida | ES Lleida Boada J | O2k 2006- |
| Spain | Madrid | ES Madrid Garesse R | O2k 2008- |
| Spain | Santiago De Compostela | ES Santiago De Compostela Mendez-Alvarez E | O2k 2010- |
| Spain | Barcelona | ES L'Hospitalet Bermudez MJ | O2k 2003- |
| Spain | Barcelona | ES Barcelona Bosch M | O2k 2011- |
| Spain | Barcelona | ES Barcelona Moren C | 2 Power-O2k 2013- |
| Sweden | Stockholm | SE Stockholm Morein T | O2k 2006- |
| Sweden | Stockholm | SE Stockholm Larsson NG | 2 Power-O2k incl. 1 NextGen-O2k O2k 2009- |
| Sweden | Stockholm | SE Stockholm Boushel RC | 3 Power-O2k 2004-2016 present:SE Stockholm Larsen FJ and CA Vancouver Boushel RC |
| Sweden | Uppsala | SE Uppsala Liss P | 3 Power-O2k 2008- |
| Sweden | Gothenburg | SE Gothenburg Hagberg H | 2 Power-O2k 2008- |
| Sweden | Stockholm | SE Stockholm Larsen FJ | 2 Power-O2k 2008- previous:SE Stockholm Sahlin K and SE Stockholm Boushel RC |
| Sweden | Stockholm | SE Stockholm Nedergaard J | O2k 2014- |
| Sweden | Stockholm | SE Stockholm Wikstroem J | O2k 2017 – |
| Sweden | Mölndal | SE Molndal Hallen S | O2k 2006 – |
| Sweden | Stockholm | SE Stockholm Weitzberg E | 2 Power-O2k 2009- |
| Sweden | Uppsala | SE Uppsala Lees J | O2k 2021- |
| Sweden | Gothenburg | SE Gothenburg Gustafsson L | O2P -2015; present: SE Gothenburg Larsson C |
| Sweden | Stockholm | SE Stockholm Sahlin K | O2k 2008-2016 present:SE Stockholm Larsen FJ |
| Sweden | Lund | SE Lund Elmer E | 6 Power-O2k O2k-Training Centre, 2006- |
| Switzerland | Zürich | CH Zurich Gassmann M | 2 Power-O2k 2013- |
| Switzerland | Lausanne | CH Lausanne Canto C | 4 Power-O2k 2012- |
| Switzerland | Bern | CH Bern Djafarzadeh S | 3 Power-O2k 2006-2019 |
| Switzerland | Lausanne | CH Lausanne Auwerx J | 2 Power-O2k 2013- |
| Switzerland | Lausanne | CH Lausanne EPFL | 12 Power-O2k 2012- |
| Switzerland | Bern | CH Bern Nuoffer JM | 3 Power-O2k 2005- |
| Switzerland | Zurich | CH Zurich University of Zurich Physiology | 3 Power-O2k 2009- |
| Switzerland | Basel | CH Basel Kraehenbuehl S | 3 Power-O2k 2010- |
| Switzerland | Lausanne | CH Lausanne Bagni C | 4 Power-O2k 2016- |
| Switzerland | Lausanne | CH Lausanne Sandi C | 4 Power-O2k 2014- |
| Switzerland | Basel | CH Basel Uteng M | O2k 2006- |
| Switzerland | Bern | CH Bern Longnus SL | O2k 2016- |
| Switzerland | Zurich | CH Zurich Wallimann T | O2P -2008 |
| Switzerland | Zurich | CH Zurich Lundby C | 4 Power-O2k 2009-2017; present: DK Copenhagen Lundby C |
| Switzerland | Basel | CH Basel Balavenkatraman KK | O2k 2007 – |
| Switzerland | Lausanne | CH Lausanne Place N | 2 Power-O2k 2018 – |
| Switzerland | Basel | CH Basel Eckert A | O2k 2005- |
| Taiwan | Tainan | TW Tainan Tsai SJ | O2k 2015- |
| Taiwan | Taoyuan | TW Taoyuan Sunpoint | Oroboros distributor Taiwan |
| Taiwan | Taoyuan | TW Taoyuan Wang JS | Scientific Reference Lab 2 Power-O2k 2014- |
| Thailand | Phitsanulok | TH Phitsanulok Kumphune S | |
| The Netherlands | Nijmegen | NL Nijmegen Brandt U | O2k 2003- |
| The Netherlands | Groningen | NL Groningen Reijngoud RJ | 2 Power-O2k 2008- |
| The Netherlands | Amsterdam | NL Amsterdam Wuest RC | 3 Power-O2k 2006-; previous: NL Amsterdam Serlie MJ |
| The Netherlands | Nijmegen | NL Nijmegen Koopman WJH | O2k 2010- |
| The Netherlands | Nijmegen | NL Nijmegen Rodenburg R | O2k 2010 |
| The Netherlands | Maastricht | NL Maastricht Bierau J | O2k 2008-2022 |
| The Netherlands | Maastricht | NL Maastricht Schrauwen P | 4 Power-O2k 2003- |
| The Netherlands | Leiden | NL Leiden Lindeman JHN | O2k 2015- |
| The Netherlands | Amsterdam | NL Amsterdam Nollet E | 2 Power-O2k 2013- |
| The Netherlands | Rotterdam | NL Rotterdam Schoonderwoerd KGC | 2 Power-O2k 2005- ; previous: NL Rotterdam Sluiter W |
| The Netherlands | Rotterdam | NL Rotterdam Sluiter W | 2 Power-O2k 2005-2015; present: NL Rotterdam Schoonderwoerd KGC |
| The Netherlands | Amsterdam | NL Amsterdam Serlie MJ | O2k 2006 - 2016; present: NL Amsterdam Wuest RC |
| The Netherlands | Wageningen | NL Wageningen Keijer J | 3 Power-O2k 2003- |
| The Netherlands | Eindhoven | NL Eindhoven Nicolay K | O2k 2008-2014 |
| Turkey | Ankara | TR Ankara Alpaslan Pinarli F | O2k 2014- |
| Turkey | Istanbul | TR Istanbul Dogan SA | O2k 2020- |
| USA | Philadelphia | US PA Philadelphia Wallace DC | 4 Power-O2k 2010- |
| USA | Pittsburgh | US PA Pittsburgh Prochownik EV | O2k 2016- |
| USA | Nashville | US TN Nashville West J | O2k 2012- |
| USA | Cincinnati | US OH Cincinnati Clark JF | 3 Power-O2k 2005-2015; present: US OH Cincinnati Perna M |
| USA | Aurora | US CO Aurora Sparagna GC | 2 Power-O2k 2016- |
| USA | Miami | US FL Miami Moraes CT | O2k 2010- |
| USA | West Lafayette | US IN West Lafayette Gavin TP | O2k 2020- |
| USA | Indianapolis | US IN Indianapolis Brozinick JT | 4 Power-O2k 2013- |
| USA | Winston-Salem | US NC Winston-Salem Kramer PA | 4 Power-O2k 2014-; previous: US NC Winston-Salem Molina AJA |
| USA | Fort Collins | US CO Fort Collins Hamilton K | 2 Power-O2k 2018-; previous: US CO Fort Collins Miller BF |
| USA | Springfield | US IL Springfield Brewer GJ | O2k 2003- |
| USA | Aurora | US CO Aurora Boyle KE | 2 Power-O2k 2019- |
| USA | Denver | US CO Denver Van Hove J | 2 Power-O2k 2013- |
