Companies: 10,795·Total market cap: $144.5T
Otter Tail Corporation

Otter Tail Corporation

OTTRNASDAQUtilities● Active
$87.91
+$1.14(+1.31%)
Market Cap$3.7B
P/E Ratio
52W High$92.24
52W Low$74.15

Otter Tail Corporation (OTTR) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · OTTR · as of Feb 18, 2026

Latest filing snapshot

2,198
+65+3.05%vs prior year

Otter Tail Corporation (OTTR) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing

SEC 10-K·Period end: 2025-12-31·Full-time · Global
Total Employees
2,198
Change (1Y)
+65
Growth % (1Y)
+3.05%
Revenue / Employee
$593.3K
Net Income / Employee
$125.5K
Market Cap
$3.7B

OTTR Employee Count

2009 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-182,198+65+3.05%
2025-02-192,133-522-19.66%
2024-02-142,655+233+9.62%
2023-02-152,422-65-2.61%
2022-02-162,487+413+19.91%
2021-02-192,074-134-6.07%
2020-02-202,208-113-4.87%
2019-02-222,321+1,092+88.85%
2018-02-201,229-825-40.17%
2017-02-222,054+49+2.44%

Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Diversified Utilities
#SymbolCompanyEmployees
#1
Companhia Paranaense de Energia
ELPC
Companhia Paranaense de Energia
4,396
#2
Black Hills Corporation
BKH
Black Hills Corporation
2,841
#3
Otter Tail Corporation
OTTR
Otter Tail CorporationYOU
2,198
#4
Avista Corporation
AVA
Avista Corporation
1,920
#5
ALLETE, Inc.
ALE
ALLETE, Inc.
1,595
#6
Chesapeake Utilities Corporation
CPK
Chesapeake Utilities Corporation
1,200
#7
Excelerate Energy, Inc.
EE
Excelerate Energy, Inc.
919
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · OTTR peer comparison

About OTTR employees

OTTR Employees · Headcount

Otter Tail Corporation (OTTR) employee data is sourced from the annual SEC 10-K filing. As of 2025, Otter Tail Corporation had 2,198 full-time employees globally. Full-time employees only. Global consolidated headcount.

Otter Tail Corporation employs 2,198 full-time employees as of the latest filing within the Diversified Utilities industry. Revenue per employee stands at $593,293, reflecting the company's operational efficiency.

Otter Tail Corporation's workforce increased by 65 (3.05%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Otter Tail Corporation's revenue per employee of $593,293 positions it among the notable performers in the Diversified Utilities sector for operational efficiency.

Frequently Asked Questions

OTTR Employees · 5 questions

As of the latest SEC 10-K filing (2025), Otter Tail Corporation had 2,198 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Otter Tail Corporation employee counthow many employees does Otter Tail Corporation haveOTTR total employees 2025

Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-18