The companies specified below are the Accelleron country/region operating companies. If you would like to receive the contact details of one of these companies or of an Accelleron company not on this list, please contact us at privacy@accelleron-industries.com.
| Country/region | Company |
| Argentina | Turbo Systems Argentina S.A. |
| Australia | Turbo Systems Australia Pty Ltd |
| Bangladesh | Turbocharging Bangladesh Limited |
| Belgium | Turbo Systems The Netherlands - Belgium branch |
| Brazil | Turbocharging Brasil Ltda |
| Bulgaria | Turbo Systems Italy S.P.A. - Bulgaria branch |
| Cameroon | Turbo Systems Cameroon |
| Canada | Turbo Systems Canada Inc. |
| China | Accelleron Turbo Systems (Chongqing) Limited |
| China | Accelleron (China) Investment Limited |
| Colombia | Turbo Systems Colombia S.A.S. |
| Cyprus | Turbocharging Greece Single Member S.A. - Cyprus Branch |
| Denmark | Turbo Systems Finland OY - Denmark branch |
| Dominican Republic | Turbo Systems Dominican Republic, S.R.L |
| Ecuador | Turbo Systems Ecuador S.A. |
| Egypt | Turbo Systems Egypt for Turbocharging LLC |
| Finland | Turbo Systems Finland OY |
| France | Turbocharging Systems France SAS |
| Germany | Turbo Systems Germany GmbH |
| Greece | Turbocharging Greece Single Member S.A. |
| Hong Kong | Accelleron Turbo Systems (Hong Kong) Limited |
| Hong Kong | Accelleron Industries (Hong Kong) Limited |
| India | Turbocharging Industries and Services India Private Limited |
| Indonesia | PT Turbo Ssystems Sakti Indonesia |
| Italy | Turbo Systems Italy S.p.A. |
| Japan | Turbo Systems United Co. Ltd. |
| Malta | Turbo Systems Italy S.p.A. - Malta branch |
| Mauritius | Turbocharging Systems France SAS - Mauritius branch |
| Mexico | Swiss Turbochargers S.A. de C.V. |
| Myanmar | Turbo Systems Myanmar Limited |
| Netherlands | Turbo Systems The Netherlands BV |
| Nigeria | Turbosystems Nigeria Ltd |
| Norway | Turbo Systems Finland Oy - Norway Branch |
| Pakistan | Turbo Systems Pakistan (Private) Limited |
| Philippines | Turbo Systems South East Asia Pte. Ltd - Philippines branch |
| Poland | Turbo Systems Finland Oy - Poland branch |
| Portugal | Turbo Systems Iberia S.L. - Sucursal em Portugal |
| Saudi Arabia | Turbosystems Red Sea Company |
| Senegal | Turbo Systems Senegal SAU |
| Singapore | Turbo Systems South East Asia PTE LTD. |
| South Africa | Turbo Systems Middle East FZCO - South Africa branch |
| South Korea | Turbo Systems Korea Ltd. |
| Spain | Turbo Systems Iberia S.L. |
| Sri Lanka | Asea Brown Boveri Lanka (Private) Limited |
| Sweden | Turbo Systems Finland Oy - Sweden branch |
| Switzerland | Accelleron Switzerland Ltd |
| Switzerland | Accelleron Verwaltungs Ltd |
| Taiwan | Turbo Systems South East Asia Pte. Ltd. - Taiwan branch |
| Thailand | Turbocharging Systems Co., Ltd. |
| Turkey | Turbo Systems Turkey Mühendislik Makine Sanayi ve Ticaret Anonim Şirketi |
| United Arab Emirates | Turbo Systems Middle East FZCO |
| United Arab Emirates | Turbo Systems Middle East FZCO - Branch Dubai |
| United Kingdom | Turbocharging UK Limited |
| United States | Turbo Systems US Inc. |