Allison Transmission Holdings Inc number of employees

Allison Transmission Holdings Inc reported 4,000 employees at December 31, 2025 in its latest annual report, up 0 (0.0%) on the year before. That compares with 3,400 at December 31, 2021. Revenue per employee was $752,500.

Headcount by year

Fiscal year end	Employees	Change	Revenue per employee	Source
December 31, 2025	4,000	+0 (0.0%)	$752,500	10-K, filed February 24, 2026
December 31, 2024	4,000	+300 (8.1%)	$806,250	10-K, filed February 13, 2025
December 31, 2023	3,700	+200 (5.7%)	$820,270	10-K, filed February 14, 2024
December 31, 2022	3,500	+100 (2.9%)	$791,143	10-K, filed February 16, 2023
December 31, 2021	3,400	—	$706,471	10-K, filed February 17, 2022

What the annual reports say

As of December 31, 2025, we had a highly skilled workforce of approximately 4,000 employees, with approximately 87% of those employees in the U.S. 2025 annual report
As of December 31, 2024, we had a highly skilled workforce of approximately 4,000 employees, with approximately 89% of those employees in the U.S. 2024 annual report
As of December 31, 2023, we had a highly skilled workforce of approximately 3,700 employees, with approximately 89% of those employees in the U.S. 2023 annual report
As of December 31, 2022, we had a highly skilled workforce of approximately 3,500 employees, with approximately 89% of those employees in the U.S. 2022 annual report
As of December 31, 2021, we had a highly skilled workforce of approximately 3,400 employees, with approximately 90% of those employees in the U.S. 2021 annual report

Headcount as the company states it in Item 1 of its annual report (some count full-time equivalents or exclude part-time and temporary staff), at the date it gives. Years where the report states no clear total are left out rather than estimated. Changes can reflect acquisitions and disposals as well as hiring and job cuts.

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Figures from Allison Transmission Holdings Inc's SEC filings (10-K and 10-Q), retrieved October 20, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Allison Transmission Holdings Inc.