Company Description
Otter Tail Corporation, together with its subsidiaries, engages in electric utility, manufacturing, and plastic pipe businesses in the United States.
It operates through three segments: Electric, Manufacturing, and Plastics. The Electric segment generates, purchases, transmissions, distributes, and sells electric energy in Minnesota, North Dakota, and South Dakota; and operates as a participant in the Midcontinent Independent System Operator markets.
This segment generates electricity through coal, fuel oil, solar, wind, and natural gas for residential, commercial, and industrial customers.
Its Manufacturing segment engages in metal fabrication services for custom machine parts and metal components and manufacturing thermoformed plastic products for use in the agriculture, construction, horticulture, industrial, lawn and garden, recreational vehicle, and other end markets.
These businesses have manufacturing facilities in Georgia, Illinois, and Minnesota and sell products primarily in the United States.
The Plastics segment manufactures polyvinyl chloride pipes for municipal water, rural water, wastewater, storm drainage and water reclamation system, and other uses for customers in the horticulture, medical and life sciences, industrial, recreation, and electronics industries.
This segment markets its products through independent sales representatives, company salespersons, and customer service representatives.
Otter Tail Corporation was incorporated in 1907 and is headquartered in Fergus Falls, Minnesota.
| Country | United States |
| Founded | 1907 |
| Industry | Conglomerates |
| Sector | Industrials |
| Employees | 2,198 |
| CEO | Charles MacFarlane |
Contact Details
Address: 215 South Cascade Street, P.O. Box 496 Fergus Falls, Minnesota 56538-0496 United States | |
| Phone | 866-410-8780 |
| Website | ottertail.com |
Stock Details
| Ticker Symbol | OTTR |
| Exchange | NASDAQ |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001466593 |
| CUSIP Number | 689648103 |
| ISIN Number | US6896481032 |
| Employer ID | 27-0383995 |
| SIC Code | 4911 |
Key Executives
| Name | Position |
|---|---|
| Charles S. MacFarlane | President, Chief Executive Officer and Director |
| Todd R. Wahlund | Vice President and Chief Financial Officer |
| Jennifer O. Smestad Esq. | Senior Vice President, General Counsel and Corporate Secretary |
| Timothy J. Rogelstad | Senior Vice President of Electric Platform |
| John S. Abbott | Senior Vice President of Manufacturing Platform |
| Beth Eiken | Manager of Investor Relations |
| Stephanie A. Hoff | Director of Corporate Communications |
| Paul L. Knutson | Vice President of Human Resources |
| Tyler Nelson | Vice President of Finance and Treasurer |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Mar 2, 2026 | ARS | Filing |
| Mar 2, 2026 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Mar 2, 2026 | DEF 14A | Other definitive proxy statements |
| Feb 23, 2026 | 10-K/A | [Amend] Annual report |
| Feb 18, 2026 | PRE 14A | Other preliminary proxy statements |
| Feb 18, 2026 | 10-K | Annual Report |
| Feb 17, 2026 | 8-K | Current Report |
| Dec 18, 2025 | 8-K | Current Report |
| Nov 5, 2025 | 10-Q | Quarterly Report |
| Nov 4, 2025 | 8-K | Current Report |