Contractor profile
TETRA TECH INC
Doing business as TETRA TECH
Active registration
UEIFN3KJ67ZG226
CAGE code3YJV5
Primary NAICS541330
LocationSEATTLE, WA, 98121
Federal obligations$7M
Prime awards12
Active awards7
Latest award actionApr 8, 2026
Federal award activity
Public award recordTop federal customers
- Department of Defense12 awards$7M
NAICS award mix
- 54133012 awards$7M
PSC award mix
- C2199 awards$4M
- C1PZ2 awards$2M
- C1KA1 awards$1M
Contract vehicles
- W912DW23D10006 awards$4M
- W911KB22D00024 awards$2M
- W912DW18D10231 awards$1M
Potential recompetes
- Department of Defense$522,351
- Department of Defense$460,854
- Department of Defense$85,402
- Department of Defense$1M
- Department of Defense$261,296
- Department of Defense$441,091
- Department of Defense$806,451
Prime award history
| Award | Agency / office | Category | Value | Dates |
|---|---|---|---|---|
| W911KB24F0060GEOTECHNICAL INVESTIGATION, ST. GEORGE HARBOR IMPROVEMENT, ST. GEORGE, ALASKA | Department of DefenseW2SN ENDIST ALASKA | NAICS 541330PSC C219 | $622,945 | Apr 11, 2024 – Oct 30, 2025 |
| W912DW24F2021IDIQ 23D1000 TASK ORDER FOR ARCHITECT-ENGINEER DESIGN SERVICES FOR MUD MOUNTAIN DAM LOWER CASCADE CREEK WATER CONTROL STRUCTURE | Department of DefenseW071 ENDIST SEATTLE | NAICS 541330PSC C1PZ | $522,351 | Aug 21, 2024 – Dec 31, 2026 |
| W912DW24F2000ENGINEERING DURING CONSTRUCTION FOR HOWARD A. HANSON DAM (HAHD) EMERGENCY CLOSURE SYSTEM REHABILITATION, RAVENSDALE, WASHINGTON | Department of DefenseW071 ENDIST SEATTLE | NAICS 541330PSC C219 | $13,992 | Oct 20, 2023 – Apr 18, 2025 |
| W911KB26FA001PORT OF NOME MODIFICATION LETTER OF AUTHORIZATION | Department of DefenseW2SN ENDIST ALASKA | NAICS 541330PSC C219 | $261,296 | Oct 7, 2025 – Mar 15, 2027 |
| W911KB25F0020DTA019 JARVIS CREEK FLOOD CONTROL PROJECT | Department of DefenseW2SN ENDIST ALASKA | NAICS 541330PSC C1KA | $1M | Feb 20, 2025 – Jan 31, 2027 |
| W9127N24F0054DEXTER FISH FACILITY DDR P&S | Department of DefenseW071 ENDIST PORTLAND | NAICS 541330PSC C219 | $1M | May 17, 2024 – Sep 8, 2025 |
| W912DW21F2035COLUMBIA RIVER TREATY 2024 PROGRAM HEC-WAT AND HEC-RESSIM SUPPORT | Department of DefenseW071 ENDIST SEATTLE | NAICS 541330PSC C1PZ | $1M | May 28, 2021 – Dec 23, 2024 |
| W912DW23F2044HEC-WAT FLOOD RISH ANALYSIS | Department of DefenseW071 ENDIST SEATTLE | NAICS 541330PSC C219 | $806,451 | Sep 20, 2023 – Sep 30, 2027 |
| W911KB22D0002EO14042 AE SERVICES CONTRACT FOR CIVIL WORKS | Department of DefenseW2SN ENDIST ALASKA | NAICS 541330PSC C219 | $0 | Nov 24, 2021 – Not stated |
| W912DW23F2064WATER CONTROL MANUAL UPDATE | Department of DefenseW071 ENDIST SEATTLE | NAICS 541330PSC C219 | $460,854 | Sep 30, 2023 – Sep 29, 2026 |
| W911KB25F0010DESIGN SERVICES TO UPDATE SOLICITATION DOCUMENTS FOR FLOATING BREAKWATER REPLACEMENT (KET005) AT BAR POINT HARBOR | Department of DefenseW2SN ENDIST ALASKA | NAICS 541330PSC C219 | $85,402 | Dec 2, 2024 – Dec 31, 2026 |
| W912DW25F2000LWSC SL ECS AE SERVICES | Department of DefenseW071 ENDIST SEATTLE | NAICS 541330PSC C219 | $441,091 | Dec 2, 2024 – Aug 1, 2027 |
Award links and obligation totals come from USAspending.gov public records.
Industries and classifications
Public points of contact
MARK WILLIAMSGovernment business
KRISTI CLEMENSAlternate government business
BARBARA PETERSENElectronic business
ERIN WALTONAlternate electronic business
Names and titles are reproduced from the public registration. FedRoster does not guess or enrich personal contact details.