Alliant Energy Corporate Services, Inc. (EIN 39-1914946) has filed 4 Form 5500 plans with the U.S. Department of Labor, covering $1.7B in plan assets and 6,345 active participants. Each plan below links to its full filing — fees, funds, providers, and Schedule C/H detail.
| Plan | Plan # | Participants | Assets |
|---|---|---|---|
| Alliant Energy Corporation 401(k) Savings Plan | 005 | 2,987 | $1.4B |
| Alliant Energy Cash Balance Pension Plan | 001 | 273 | $225.9M |
| Alliant Energy Retiree Health & Welfare Benefit Plan | 502 | 0 | $69.7M |
| Alliant Energy Health & Welfare Benefit Plan | 501 | 3,085 | $3.1M |
Providers are read from the Schedule C service-provider disclosures across this employer’s filings.
39-1914946 is the Employer Identification Number (EIN) Alliant Energy Corporate Services, Inc. reports on its Form 5500 filings with the U.S. Department of Labor. The same EIN identifies the employer across all of its retirement and health plans.
Find other employers in the same state on Wisconsin EIN lookup, or run a Form 5500 search to pull any company’s filing. New to these filings? Start with What is Form 5500?
