How many employees work at NSF International?

NSF International ( Michigan) has approximately 4,009 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. NSF International's total headcount has grown 5.9% from 3,787 employees in 2023 to 4,009 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026

NSF International is hiring

Is NSF International hiring right now?

Yes, NSF International is actively hiring. NSF International had 277 active job postings in 2026, a 31.3% increase from 2025 see job openings & hiring trends.

About NSF International's Workforce

NSF International ( Michigan) is a Healthcare and Wellness Services company that employs 4,009 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 1944, the company is headquartered in Ann Arbor, Michigan.

NSF International's workforce has grown 5.9% from 2023 to 2026. It is concentrated most in the United States (35.0%), followed by the United Kingdom (10.2%) and India (8.6%), with Mexico as its fastest-growing location. The average tenure across the workforce is 4.2 years.

NSF International's largest groups by headcount are Finance and Operations (42.4%), Engineering (38.7%), and Sales and Marketing (18.9%), with Finance and Operations the fastest-growing group (up 1.6%). The average salary across the company is $57,946, with regional medians of $81,000 in Northern America and $7,000 in Southern Asia.

NSF International's active job postings rose 31.3% in 2026 to 277, with new postings per month climbing from 138 in 2023 to 142 in 2026. Overall employee sentiment is negative but improving.

Sourced from Revelio Labs workforce data.

As of March 2026

NSF International
workforce metrics

Headcount

4k

0.0% YoY

Avg. Salary

$57.9k

1.9% YoY

Tenure

4.2yr

0.3yr YoY

Growth Rate

0.0%

0.1pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of NSF International annual worldwide employee count from 2023 to 2026.
  • NSF International had 4,009 employees in 2026, a 0% no change (+59) from 2025.
  • NSF International had 3,996 employees in 2025, a 0.7% decline (+58) from 2024.
  • NSF International had 3,938 employees in 2024, a 0.8% increase (+130) from 2023.
  • NSF International had 3,808 employees in 2023, a 1.4% increase (+76) from 2022.

NSF International's total workforce has grown from 3,787 employees in 2023 to 4,009 in 2026.

NSF International ( Michigan) — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q14,009+59+0.0%
2025Q43,996+58-0.7%
2025Q33,993+70-0.2%
2025Q23,991+126+0.1%
2025Q13,950+105-0.0%
2024Q43,938+130+0.8%
2024Q33,923+141+0.6%
2024Q23,865+78+0.6%
2024Q13,845+101+1.5%
2023Q43,808+76+1.4%
2023Q33,782+16+0.9%
2023Q23,787-57+0.1%

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The United States accounts for the largest share of NSF International's global workforce with approximately 35% of total employees, followed by the United Kingdom and India. NSF International's headcount in Mexico is growing fastest among its major locations, up 5.1% year over year in 2026.

NSF International employees by country — 2026

CountryEmployees% of TotalYoY %
United States1,38235.0%+0.3%
United Kingdom40110.2%-0.4%
India3408.6%+1.0%
Brazil2556.5%+1.3%
Canada1714.3%-2.7%
China1574.0%-1.6%
Mexico1373.5%+5.1%
Peru1223.1%-0.2%
Germany1142.9%+5.9%
Belgium1032.6%+3.8%

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NSF International's largest employee groups are Finance and Operations (42.4%), Engineering (38.7%), and Sales and Marketing (18.9%).

NSF International employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations1,65742.4%+1.6%
Engineering1,51438.7%-1.0%
Sales and Marketing74118.9%-0.6%

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NSF International's average employee salary is $57,946 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.4x the global average. Pay is lowest in Southern Asia, at a median of $7,000.

NSF International median employee salary by region — 2026 (USD)

RegionMedian Salary
Northern America$81,000
Western Europe$66,000
Pacific Islands$65,000
Northern Europe$54,000
Eastern Asia$42,000
Arab States$34,000
Southern Europe$33,000
Eastern Europe$28,000
Central and Western Asia$21,000
Central America and the Caribbean$20,000
South-Eastern Asia$15,000
Sub-Saharan Africa$15,000
Southern America$12,000
Northern Africa$10,000
Southern Asia$7,000

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Interactive chart of NSF International annual active job postings from 2023 to 2026.
  • NSF International had 277 active job postings in 2026, a 31.3% increase (+103) from 2025.
  • NSF International had 174 active job postings in 2025, a 10.4% decline (-19) from 2024.
  • NSF International had 193 active job postings in 2024, a 20.6% increase (+36) from 2023.
  • NSF International had 157 active job postings in 2023, a 25.1% increase from 2022.
  • Hiring velocity in 2026: 142 new roles/month, up from 114 in 2025 and 162 in 2024. New metric

NSF International's hiring is accelerating: active job postings rose 31.3% in 2026 to 277, with new postings per month climbing from 138 in 2023 to 142 in 2026.

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Revelio Labs tracks employee sentiment across NSF International's workforce based on public professional data. Overall sentiment is negative and has improved year over year in 2026.

Overall

NegativePositive

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How fast is NSF International growing?
In 2026, NSF International's headcount grew 0.0% to 4,009 employees, up from 3,950 in 2025.
Where are NSF International employees located?
Most NSF International employees are based in the United States (35.0% of headcount), followed by the United Kingdom and India.
What is the average salary at NSF International?
The average employee salary at NSF International is approximately $57.9k per year.
How many people does NSF International hire per year?
In 2026, NSF International opened roughly 1,704 new roles — about 142 per month.
When was NSF International founded and where is it headquartered?
NSF International was founded in 1944 and is headquartered in Ann Arbor, Michigan.

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