Tetra Tech: Number of Employees 2012-2026 | TTEK
Interactive chart of Tetra Tech (TTEK) annual worldwide employee count from 2012 to 2026.
- Tetra Tech total number of employees in 2025 was 25,000, a 16.67% decline from 2024.
- Tetra Tech total number of employees in 2024 was 30,000, a 11.11% increase from 2023.
- Tetra Tech total number of employees in 2023 was 27,000, a 28.57% increase from 2022.
- Tetra Tech total number of employees in 2022 was 21,000, a 0% decline from 2021.
| Tetra Tech Annual Employee Count | |
|---|---|
| 2025 | 25,000 |
| 2024 | 30,000 |
| 2023 | 27,000 |
| 2022 | 21,000 |
| 2021 | 21,000 |
| 2020 | 20,000 |
| 2019 | 20,000 |
| 2018 | 17,000 |
| 2017 | 16,000 |
| 2016 | 16,000 |
| 2015 | 13,000 |
| 2014 | 14,000 |
| 2013 | 14,000 |
| 2012 | 13,000 |
| 2011 | 13,000 |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Construction | Engineering - Research & Development Services | $9.246B | $5.443B |
| Tetra Tech is a leading provider of consulting, construction management, engineering, program management and technical services. It serves clients by providing cost-effective and innovative solutions on dealing with the fundamental needs for water, environmental and alternative energy services. Tetra Tech's has a diverse base of international and U.S. commercial clients, as well as U.S. federal and U.S. state and local government agencies. Tetra Tech reports its businesses under the following two segments: Government Services Group and Commercial / International Services Group. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| Quanta Services (PWR) | United States | $92.693B | 50.25 |
| Ferrovial (FER) | Netherlands | $40.100B | 0.00 |
| Alfa Laval AB (ALFVY) | Sweden | $23.324B | 26.74 |
| Sterling Infrastructure (STRL) | United States | $15.469B | 32.84 |
| AECOM (ACM) | United States | $8.161B | 16.95 |
| Fluor (FLR) | United States | $7.350B | 26.68 |
| Babcock Group (BCKIY) | United Kingdom | $6.704B | 0.00 |
| Legence (LGN) | United States | $5.911B | 0.00 |
| Amentum Holdings (AMTM) | United States | $4.937B | 8.67 |
| VSE (VSEC) | United States | $4.912B | 34.53 |
| KBR (KBR) | United States | $4.627B | 9.27 |
| Arcadis (ARCAY) | Netherlands | $4.293B | 0.00 |
| Metallurgical Of China (MLLUY) | China | $3.694B | 0.00 |
| Kadant Inc (KAI) | United States | $3.154B | 24.02 |
| Innodata Inc (INOD) | United States | $1.959B | 43.17 |
| SENIOR (SNIRF) | United Kingdom | $1.573B | 0.00 |
| Cardinal Infrastructure Group (CDNL) | United States | $1.507B | 0.00 |
| Vesuvius (CKSNY) | United Kingdom | $1.259B | 0.00 |
| Chiyoda (CHYCY) | Japan | $1.062B | 6.48 |
| Mayville Engineering (MEC) | United States | $0.445B | 0.00 |
| Magnera (MAGN) | United States | $0.419B | 0.00 |
| Matrix Service (MTRX) | United States | $0.282B | 38.27 |
| TSS (TSSI) | United States | $0.243B | 17.96 |
| Magnitude (MAGH) | Singapore | $0.225B | 0.00 |
| Shimmick (SHIM) | United States | $0.144B | 0.00 |
| Skyline Builders (SKBL) | Hong Kong, SAR China | $0.047B | 0.00 |
| Skyline Builders (KAZR) | Hong Kong, SAR China | $0.033B | 0.00 |
| SKK Holdings (SKK) | Singapore | $0.009B | 0.00 |
| SUs (SUGP) | Hong Kong, SAR China | $0.000B | 0.00 |