# Altair Engineering Inc.

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: Altair Engineering Inc.
- Alternative and DBA names: Altair Consulting; Altair Software; Altair Software, Inc.; Altairengineering; Altair, Inc.; Runtime; Runtime Design Automation
- Entity type: C corporation
- Original incorporation date: October 5, 2017
- Time in business: 9 years
- Jurisdiction count: 33

## All known addresses

- 1820 E Big Beaver Rd, Troy, MI 48083 (listed in Alabama, Arkansas, California, Colorado, Connecticut, Georgia, Idaho, Indiana, Iowa, Kansas, Maryland, Massachusetts, Missouri, New Hampshire, New York, North Carolina, North Dakota, Ohio, Oregon, Pennsylvania, Rhode Island, Texas, Utah, Washington, Wyoming)
- 40600 Ann Arbor Rd E Ste 201, Plymouth, MI 48170 (listed in Michigan)
- 2345 Rice St Ste 230, Roseville, MN 55113 (listed in Minnesota)
- 251 Little Falls Dr, Wilmington, DE 19808 (listed in New Mexico)
- 28 Liberty St, New York, NY 10005 (listed in New York)

## Registered states

- [Alabama](https://index.baselayer.com/al/d1704759e986ddcf): Foreign registration
- [Arkansas](https://index.baselayer.com/ar/f4f8e7d6a0712585): Foreign registration, as Altair Software, Inc.
- [California](https://index.baselayer.com/ca/fd599d0069bf0462): Foreign registration
- [Colorado](https://index.baselayer.com/co/2d8ddb118e496f26): Foreign registration
- [Connecticut](https://index.baselayer.com/ct/857ff1fbcbce0ee5): Foreign registration
- [Delaware](https://index.baselayer.com/de/3868723aa21ea44a)
- [Georgia](https://index.baselayer.com/ga/2165dcd6a16621ef): Foreign registration
- [Idaho](https://index.baselayer.com/id/de73086ed235fa2f): Foreign registration, as Altair Software, Inc.
- [Illinois](https://index.baselayer.com/il/65c7af7af9f676d5): Foreign registration
- [Indiana](https://index.baselayer.com/in/3def90a2d0e66c40): Foreign registration
- [Iowa](https://index.baselayer.com/ia/b8c066d3650b0ce0): Foreign registration
- [Kansas](https://index.baselayer.com/ks/72361a4410867954): Foreign registration
- [Maryland](https://index.baselayer.com/md/48e7adb8bb3fc1bd): Foreign registration
- [Massachusetts](https://index.baselayer.com/ma/2d7e7c025ba37e57): Foreign registration
- [Michigan](https://index.baselayer.com/mi/1510f37ad31447a1): Foreign registration
- [Minnesota](https://index.baselayer.com/mn/2f1203d20c77eeff): Foreign registration
- [Missouri](https://index.baselayer.com/mo/16363b33f2800fe7): Foreign registration
- [Nevada](https://index.baselayer.com/nv/4d0e58503f61f568): Foreign registration
- [New Hampshire](https://index.baselayer.com/nh/cc835cd2bd4e29bf): Foreign registration, as Altair Software
- [New Mexico](https://index.baselayer.com/nm/a06036832b14ef41): Foreign registration
- [New York](https://index.baselayer.com/ny/b88d9053b67f5108): Foreign registration
- [New York](https://index.baselayer.com/ny/2ed442de7ea39cd4): Foreign registration
- [North Carolina](https://index.baselayer.com/nc/d78df46d9fafce4e): Foreign registration, as Altair, Inc.
- [North Dakota](https://index.baselayer.com/nd/38316267404d2c51): Foreign registration
- [Ohio](https://index.baselayer.com/oh/20f983d767169bfc): Foreign registration
- [Oregon](https://index.baselayer.com/or/a5899f87d5069143): Foreign registration
- [Pennsylvania](https://index.baselayer.com/pa/55529e33b3ab7ce9): Foreign registration, as Altair Software, Inc.
- [Rhode Island](https://index.baselayer.com/ri/5ab09c38063e8539): Foreign registration
- [South Carolina](https://index.baselayer.com/sc/dd6f1ef4a10cf467): Foreign registration
- [Texas](https://index.baselayer.com/tx/e5781e75081ad5c5): Foreign registration
- [Utah](https://index.baselayer.com/ut/af1e50b35ec040f2): Foreign registration
- [Washington](https://index.baselayer.com/wa/3182d603a82d88d8): Foreign registration
- [Wisconsin](https://index.baselayer.com/wi/1c2d0fe40faaa721): Foreign registration
- [Wyoming](https://index.baselayer.com/wy/3f0f1c177578a839): Foreign registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/3868723aa21ea44a)