EntityWire/Minnesota business entity search →/OTTER TAIL CORPORATION
Employer with a benefit plan
OTTER TAIL CORPORATION
OTTER TAIL CORPORATION's Employer Identification Number (EIN) is 27-0383995.
At a glance
- EIN
- 27-0383995 · 270383995
- Legal name
- OTTER TAIL CORPORATION
- Address on file
- 4150 19TH AVE S., FARGO, MN 58103
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-05
State registration
Texas Comptroller active franchise taxpayers file · records as of 2026-09-05
- Texas registration
- Active · Foreign profit corporation
- Source: Texas Comptroller · as of 2026-09-05
- Texas document number
- 12703839956
- Source: Texas Comptroller · as of 2026-09-05
SEC records
SEC EDGAR company filings · records as of 2026-09-01
- SEC CIK
- 0001466593
- Source: SEC · as of 2026-09-01
- Industry (SIC)
- Electric Services (4911)
- Source: SEC · as of 2026-09-01
- State of incorporation
- MN
- Source: SEC · as of 2026-09-01
- Ticker
- OTTR
- Source: SEC · as of 2026-09-01
- Latest SEC filing
- 8-K 2026-09-01
- Source: SEC · as of 2026-09-01
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2026-08-07
- Benefit plan 506, 2024 filing
- OTTER TAIL CORPORATION RETIREE WELFARE BENEFIT PLAN
- Source: DOL 5500 · as of 2026-08-07
- Participants (start of year)
- 601
- Source: DOL 5500 · as of 2026-08-07
- Plan features
- Health (other than dental or vision); Life insurance; Death benefits (other than life insurance)
- Source: DOL 5500 · as of 2026-08-07
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2026-08-07
- Business code (NAICS)
- 551112
- Source: DOL 5500 · as of 2026-08-07
- Benefit plan 501, 2024 filing
- OTTER TAIL CORPORATION COMPREHENSIVE WELFARE BENEFIT PLAN
- Source: DOL 5500 · as of 2026-08-07
- Participants (start of year)
- 2,097
- Source: DOL 5500 · as of 2026-08-07
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), SEC EDGAR company filings and Texas Comptroller active franchise taxpayers file), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Minnesota Secretary of State, Business Services; see the Minnesota business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
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