Attached files

file filename
EX-32.1 - EX-32.1 - Altair Engineering Inc.altr-ex321_13.htm
EX-31.2 - EX-31.2 - Altair Engineering Inc.altr-ex312_16.htm
EX-31.1 - EX-31.1 - Altair Engineering Inc.altr-ex311_15.htm
EX-23.1 - EX-23.1 - Altair Engineering Inc.altr-ex231_222.htm
EX-4.1 - EX-4.1 - Altair Engineering Inc.altr-ex41_161.htm
10-K - 10-K - Altair Engineering Inc.altr-10k_20191231.htm

Exhibit 21.1

LIST OF SUBSIDIARIES

Subsidiary

Jurisdiction of Organization

Altair Product Design, Inc.

Michigan, United States

Altair Engineering India Pvt. Ltd.

India

Altair Engineering Ltd.

Japan

Altair Engineering GmbH

Germany

Altair Engineering France, Sarl

France

Altair Engineering Software Co., Ltd.

China

Altair Engineering Ltd.

United Kingdom

Datawatch Corporation

Delaware, United States

Datawatch International Limited

United Kingdom

Runtime Design Automation

California, United States

WEYV, Inc.

Michigan, United States