How many employees work at Therma?
Therma Corp. has 876 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 6.9%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Therma
Therma is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™. Our team radically improves the performance of the built environment by maximizing energy efficiency through engineering, constructing, installing and maintaining mechanical and plumbing systems. We’re fostering the future by championing building efficiency today. As a full-service design-build specialty mechanical services provider, Therma focuses on complex HVAC systems and high purity process piping and controls for cleanrooms, laboratories, and high-tech manufacturing facilities. We specialize in engineering, building information modeling, energy modeling, fabrication, installation, and maintenance services for general contractors, construction managers, and building owners in the technology, biopharmaceutical, data center and semiconductor, and food and beverage industries to fulfill their needs.
As of December 2025
Therma
workforce metrics
Headcount
876
Avg. Salary
$95.7k
Tenure
4.9yr
Growth Rate
6.9%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Therma annual worldwide employee count from 2023 to 2025.
- Therma total number of employees in 2025 was 838, a 6.9% increase from 2024.
- Therma total number of employees in 2024 was 782, a 6.3% decline from 2023.
- Therma total number of employees in 2023 was 833, a 6.0% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Therma annual active job postings from 2023 to 2025.
- Therma active job postings in 2025 was 48, a 169.2% increase from 2024.
- Therma active job postings in 2024 was 4, a 123.8% decline from 2023.
- Therma active job postings in 2023 was 17, a 34.1% decline from 2022.
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Employee Sentiment
Sentiment Topics
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