Tetra Tech: Number of Employees 2010-2024 | TTEK

Interactive chart of Tetra Tech (TTEK) annual worldwide employee count from 2010 to 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 total number of employees in 2021 was 21,000, a 5% increase from 2020.
Tetra Tech Annual Employee Count
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
2010 12,000
2009 10,000
Sector Industry Market Cap Revenue
Industrial Products Pollution Control Equipment & Services $10.967B $5.199B
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
Donaldson (DCI) United States $9.274B 22.65
Casella Waste Systems (CWST) United States $7.127B 184.52
Atmus Filtration Technologies (ATMU) United States $3.698B 18.46
CECO Environmental (CECO) United States $1.097B 42.96
Energy Recovery (ERII) United States $0.915B 45.14
Benev Capital (BEVFF) Canada $0.355B 14.27
Perma-Fix Environmental Services (PESI) United States $0.228B 0.00
Fuel Tech (FTEK) United States $0.033B 0.00
LiqTech (LIQT) Denmark $0.016B 0.00
Euro Tech Holdings (CLWT) Hong Kong, SAR China $0.011B 0.00