How many employees work at TSI?
TSI, Inc. (Minnesota) has 1,790 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -3.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About TSI
TSI is a leader in the design & production of precision measuring tools for aerosol science, air flow, indoor air quality, etc. Browse our products today!
As of September 2025
TSI
workforce metrics
Headcount
1.8k
Avg. Salary
$79.6k
Tenure
5.0yr
Growth Rate
-3.3%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of TSI annual worldwide employee count from 2023 to 2025.
- TSI total number of employees in 2025 was 1,790.589, a 3.3% decline from 2024.
- TSI total number of employees in 2024 was 1,834.956, a 1.2% increase from 2023.
- TSI total number of employees in 2023 was 1,815.628, a 1.2% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of TSI annual active job postings from 2023 to 2025.
- TSI active job postings in 2025 was 62, a 54.1% decline from 2024.
- TSI active job postings in 2024 was 39, a 87.8% decline from 2023.
- TSI active job postings in 2023 was 100, a 74.2% decline from 2022.
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Employee Sentiment
Sentiment Topics
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