# Alliant Energy Corporate Services, Inc.

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

- Legal business name: Alliant Energy Corporate Services, Inc.
- Alternative and DBA names: Alliant Services Company
- Entity type: C corporation
- Original incorporation date: December 8, 1997
- Time in business: 28 years and 10 months
- Jurisdiction count: 16

## All known addresses

- 200 1st St SE, Cedar Rapids, IA 52401 (listed in Iowa, Indiana, Missouri, North Dakota, South Dakota, Tennessee, Washington)
- 8175 Creekside Dr Ste 200, Portage, MI 49024 (listed in Michigan)
- 4902 N Biltmore Ln, Madison, WI 53718 (listed in Missouri, New Mexico, Wisconsin)

## Registered states

- [District of Columbia](https://index.baselayer.com/dc/896d0d3c2108750d): Foreign registration
- [Illinois](https://index.baselayer.com/il/d0412fa7759a5bae): Foreign registration
- [Indiana](https://index.baselayer.com/in/5134e129df793b75): Foreign registration
- [Iowa](https://index.baselayer.com/ia/6c6838f7f2c963b1): Domestic registration
- [Kansas](https://index.baselayer.com/ks/8e6a70cb074543b8): Foreign registration
- [Kansas](https://index.baselayer.com/ks/0bdacb2c89aeb178): Foreign registration
- [Michigan](https://index.baselayer.com/mi/18f686d8f5f8d353): Foreign registration
- [Minnesota](https://index.baselayer.com/mn/d5e7bb76b1961767), as Alliant Services Company
- [Missouri](https://index.baselayer.com/mo/2fa623a3ddd46f02): Foreign registration
- [Missouri](https://index.baselayer.com/mo/4947410d006d46c1): Foreign registration
- [New Mexico](https://index.baselayer.com/nm/d84df99be2909bb5): Foreign registration
- [North Dakota](https://index.baselayer.com/nd/2379222758932b5e): Foreign registration
- [North Dakota](https://index.baselayer.com/nd/4a43d61a58917af8): Foreign registration
- [Oklahoma](https://index.baselayer.com/ok/67c0d7f26817105e): Foreign registration
- [Pennsylvania](https://index.baselayer.com/pa/a322759991b930e6): Foreign registration
- [South Dakota](https://index.baselayer.com/sd/197d4665a1dd546e): Foreign registration
- [Tennessee](https://index.baselayer.com/tn/6e1e317a77f0cad5): Foreign registration
- [Washington](https://index.baselayer.com/wa/4fb64fa3eab15983): Foreign registration
- [Wisconsin](https://index.baselayer.com/wi/6b1a5b76d053cc09): Foreign registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/6c6838f7f2c963b1)