Exhibit 21.1
LIST OF SUBSIDIARIES
Subsidiaries of the Registrant as of December 31, 2022 | Jurisdiction of Organization |
Altair Engineering, Inc. | United States |
Datawatch Corporation | United States |
Altair Product Design, Inc. | United States |
Ilumisys Inc. | United States |
Altair Bellingham LLC | United States |
Altair Bellingham II, LLC | United States |
Altair Bellingham III, LLC | United States |
Powersim, LLC | United States |
RapidMiner, Inc. | United States |
SolidThinking, Inc. | United States |
Altair-EMSS Holding Company | United States |
Altair Engineering Canada, Ltd. | Canada |
Altair Engineering S.A. (Pty) Ltd. | South Africa |
Altair Engineering (Pty) Ltd. | South Africa |
Informatica Altair Mexico S de RL de CV | Mexico |
Altair Engneering do Brazil Sistemas e Servicos Ltda | Brazil |
Altair Engineering AB | Sweden |
Altair Software and Services S.L. | Spain |
Altair Engineering GmbH | Germany |
concept engineering GmbH | Germany |
RapidMiner GmbH | Germany |
Altair Engineering France SAS | France |
RapidMiner Kft. | Hungary |
Altair Engineering Srl | Italy |
AD Solutions Srl | Italy |
Altair Engineering Single Shareholder Ltd. | Greece |
Altair Engineering Israel Ltd. | Israel |
Altair Engineering Software Pty Ltd. | Australia |
Altair Engineering Software (Shanghai) Co. Ltd. | China |
Altair Engineering India Pvt. Ltd. | India |
Altair Development Corporation | Korea |
Altair Engineering Co. Ltd. | Korea |
Altair Engineering Sdn. Bhd. | Malaysia |
Altair Engineering Co., Ltd. | Taiwan |
Altair Engineering Ltd. | Japan |
Altair Engineering (Singapore) Ptd Ltd. | Singapore |
Altair Technologies Philippines Inc. | Philippines |
Gen3D Limited | United Kingdom |
Altair Engineering Ltd. | United Kingdom |
World Programming Limited | United Kingdom |
December 2015 Software Limited | United Kingdom |
S-FRAME Software (UK), Ltd. | United Kingdom |
RapidMiner Limited | United Kingdom |