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TETRA TECH, INC.

PASADENA, California

Total Received

$917.1M

Total Awards

190

State

California

Last Updated

Apr 22, 2026

Yearly Funding Trend

Top 50 Awards to TETRA TECH, INC.

Largest individual federal awards on record for this recipient, ranked by obligated amount. Data through April 22, 2026.

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Top 50 Awards to TETRA TECH, INC.
AwardAwarding AgencyProgramPlaceFYObligation
CONT_AWD_19AQMM22F3911_1900_19AQMM18D0080_1900
THE PURPOSE OF THIS MODIFICATION IS TO ADD AN UPDATED SOO AND INCREMENTALLY FUND OY3 CLINS.
Department of State
Department of State
2024$218,581,586
CONT_AWD_19AQMM19F0312_1900_19AQMM18D0080_1900
UNDER THIS TASK ORDER THE CONTRACTOR PROVIDES ALL SERVICES, EQUIPMENT, AND SUPPLIES TO NEUTRALIZE UNEXPLODED AND ABANDONED ORDNANCE AND IEDS THROUGHOUT IRAQ. DE-OBLIGATION OF FUND…
Department of State
Department of State
2024$138,279,465
CONT_AWD_SAQMMA17F1220_1900_GS00Q14OADU138_4732
CLOSE OUT OF TASK ORDER
Department of State
Department of State
2024$59,707,663
CONT_AWD_19AQMM24F0007_1900_19AQMM18D0080_1900
REALIGNMENT
Department of State
Department of State
2024$44,200,257
CONT_AWD_7200AA18M00014_7200_GS00Q14OADU138_4732
INCREMENTALLY FUND GISR TO ENABLE A BUY-IN OF THE USAID/IRAQ MISSION TO ALLOW RAPID ASSESSMENTS. $449,526 FOR A YOUTH ASSESSMENT AND $372,485 FOR A DRG ASSESSMENT, FOR A TOTAL…
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$41,388,123
CONT_AWD_7200AA22M00018_7200_GS00Q14OADU138_4732
NOTICE OF TERMINATION FOR CONVENIENCE.
Agency for International Development
Agency for International Development
PASADENA, CA-282024$26,234,819
CONT_AWD_72052123N00001_7200_GS00Q14OADU138_4732
THIS MODIFICATION IS TO ADD $10M IN INCREMENTAL FUNDING, INSERT THE FIX FEE DISTRIBUTION SCHEDULE FOR YEAR 2 AND ALLOW MSI TO PAY THEIR LOCAL STAFF IN DOLLARS
Agency for International Development
Agency for International Development
2024$23,860,000
CONT_AWD_7200AA22N00003_7200_GS00Q14OADU138_4732
CASA MOD 9: THE PURPOSE OF THIS MODIFICATION IS TO INCREMENTALLY FUND THE AWARD WITH (1) CR FUNDS OF 830,000 (CLIN 1) (2) CCPD FUNDS OF 75,250 (CLIN 1) (3) IN GROUP REQ "RGP-RE…
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$22,814,483
CONT_AWD_7200AA23N00006_7200_GS00Q14OADU138_4732
REFS/CNE/LRG: FY 25 ILRG II MODIFICATION #02 IS TO PROVIDE INCREMENTAL FUNDING IN THE AMOUNT OF $5,396,000.00 IN THE GROUP REQ "RGP-REFS-25-000018 (FIELD SUPPORT FROM USAID/BUR…
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$21,520,146
CONT_AWD_72066020F00005_7200_GS00Q14OADU138_4732
NOTICE OF TERMINATION FOR CONVENIENCE
Agency for International Development
Agency for International Development
2024$19,965,598
CONT_AWD_72062121N00001_7200_GS00Q14OADU138_4732
THE PURPOSE OF THIS MODIFICATION IS TO IF THE AWARD BY $1,676,818.13. THESE FUNDS WILL BE USED TO PROVIDE CONSTRUCTION QUALITY ASSURANCE SERVICES TO THE USAID MAJI BOMBANI PROJECT.
Agency for International Development
Agency for International Development
2024$18,425,713
CONT_AWD_W9127821F0424_9700_W9127820D0026_9700
THE PURPOSE OF THIS MODIFICATION IS TO EXTEND OPTION TAFB RI TO 18 JULY 2025.
Department of Defense
Department of the Army
HOMESTEAD, FL-282024$17,884,188
CONT_AWD_19AQMM23F1349_1900_GS00Q14OADU138_4732
MONITORING, EVALUATION AND AUDIT SERVICES FOR UKRAINE REPORTING (MEASURE) - EXTEND POP
Department of State
Department of State
2024$16,504,140
CONT_AWD_7200AA19M00007_7200_GS00Q14OADU138_4732
THE PURPOSE OF THIS MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE BY 4 MONTHS THEREBY CHANGING THE END DATE FROM APRIL 14, 2024 TO AUGUST 14, 2024 AND DESIGNATE GEORGE SERAP…
Agency for International Development
Agency for International Development
2024$13,882,883
CONT_AWD_FA872322F9009_9700_GS00Q14OADU138_4732
SHARED EARLY WARNING SYSTEMS 3 (SEWS 3) ADD TIKTOCK CLAUSE 52.204-27
Department of Defense
Department of the Air Force
COLORADO SPRINGS, CO-052024$13,542,930
CONT_AWD_7200AA21M00011_7200_GS00Q14OADU138_4732
NOTICE OF TERMINATION FOR CONVENIENCE.
Agency for International Development
Agency for International Development
2024$10,935,884
CONT_AWD_7200AA22M00008_7200_GS00Q14OADU138_4732
THIS IS A NO ADDITIONAL COST MODIFICATION, THE PURPOSE OF WHICH IS TO: A) CHANGE THE COR FROM RINA DHALLA TO RACHEL SOREY AND 2) CHANGE THE ALTERNATE COR FROM JOHN COLLINS TO CAR…
Agency for International Development
Agency for International Development
2024$10,867,829
CONT_AWD_19AQMM24F0056_1900_19AQMM18D0080_1900
IRAQ: HUMANITARIAN MINE ACTION/UNEXPLODED ORDNANCE. ADDED CLAUSES.
Department of State
Department of State
2024$10,711,969
CONT_AWD_7200AA21M00012_7200_GS00Q14OADU138_4732
URBAN RESILIENT WATER SECURITY, SANITATION, AND HYGIENE, UR WSSH, PROGRAM THE PURPOSE OF THIS MODIFICATION IS TO: 1) INCREMENTAL FUNDING OF INDONESIA BUY-IN IN THE AMOUNT OF…
Agency for International Development
Agency for International Development
PASADENA, CA-282024$10,403,764
CONT_AWD_W912HN25F5003_9700_GS00F168CA_4732
OPTION 7: KINGS BAY EIS
Department of Defense
Department of the Army
KINGS BAY, GA-012025$9,328,704
CONT_AWD_19AQMM19F0328_1900_19AQMM18D0080_1900
DEOB
Department of State
Department of State
2024$8,891,733
CONT_AWD_7200AA24N00006_7200_GS00Q14OADU138_4732
THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE INCREMENTAL FUNDING IN THE AMOUNT OF $3,800,000.00
Agency for International Development
Agency for International Development
BURLINGTON, VT-002024$8,800,000
CONT_AWD_1333BJ22F00280013_1344_HHSN316201200029W_7529
EXERCISE OPTION PERIOD 4
Department of Commerce
U.S. Patent and Trademark Office
PASADENA, CA-282024$7,763,487
CONT_AWD_72048622N00001_7200_GS00Q14OADU138_4732
NOTICE OF TERMINATION FOR CONVENIENCE.
Agency for International Development
Agency for International Development
2024$7,480,554
CONT_AWD_72062323N00002_7200_GS00Q14OADU138_4732
C4D MSI 72062323N00002 THE PURPOSE OF THIS MODIFICATION IS TO INCREMENTALLY FUND USAID/KEA AND SOMALIA COMMUNICATIONS FOR DEVELOPMENT CONTRACTS WITH TOTAL OF $2,569,000.
Agency for International Development
Agency for International Development
2024$6,925,511
CONT_AWD_72039124N00001_7200_GS00Q14OADU138_4732
THE PURPOSE OF THIS MODIFICATION IS TO: 1. INCREASE THE TOTAL OBLIGATION BY $1,350,000. THIS INCREMENTAL FUNDING WILL INCREASE THE TOTAL OBLIGATION FROM $4,500,000 TO $5,850,000.…
Agency for International Development
Agency for International Development
2024$5,850,000
CONT_AWD_19AQMM24F0753_1900_19AQMM21D0150_1900
THE PURPOSE OF THIS MODIFICATION IS TO CORRECT THE COUNTRY CODE TO TURKMENISTAN.
Department of State
Department of State
2024$5,032,876
CONT_AWD_68HERH21F0313_6800_GS00F168CA_4732
EMERGENCY RESPONSE TEAM (ERT) TECHNICAL SUPPORT SERVICES. P00017: DEOBLIGATION OF FUNDING.
Environmental Protection Agency
Environmental Protection Agency
ERLANGER, KY-042024$4,918,624
CONT_AWD_89233125FNA000182_8900_89303022AGC000004_8900
TECHNICAL SUPPORT SERVICES FOR NATIONAL ENVIRONMENTAL POLICY ACT (NEPA) COMPLIANCE ASSOCIATED WITH THE PIT PRODUCTION PROGRAM FOR DEPARTMENT OF ENERGY/NATIONAL NUCLEAR SECURITY AD…
Department of Energy
Department of Energy
AIKEN, SC-022026$4,496,914
CONT_AWD_68HERH20F0309_6800_EPBPA16W0004_6800
ENVIRONMENTAL RESPONSE TRAINING PROGRAM GENERAL PROGRAM SUPPORT MOD P00011: EXERCISE OPTION AND SHIFT FUNDS FROM BASE TO OPTION PERIOD
Environmental Protection Agency
Environmental Protection Agency
WASHINGTON, DC-982024$4,224,967
CONT_AWD_89233122FNA400438_8900_GS00F168CA_4732
TECHNICAL SUPPORT SERVICES FOR NATIONAL ENVIRONMENTAL POLICY ACT (NEPA) COMPLIANCE ASSOCIATED WITH THE LOS ALAMOS NATIONAL LABORATORY
Department of Energy
Department of Energy
LOS ALAMOS, NM-032024$4,156,338
CONT_AWD_W9127823F0289_9700_W9127820D0053_9700
THE PURPOSE OF THIS MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE TO 16 AUGUST 2026.
Department of Defense
Department of the Army
HILL AFB, UT-012024$3,975,724
CONT_AWD_HSFE4017F0068_7022_GS00Q14OADU138_4732
DE-OBLIGATION AND CLOSEOUT
Department of Homeland Security
Federal Emergency Management Agency
WASHINGTON, DC-982024$3,826,158
CONT_AWD_19AQMM24F0020_1900_19AQMM18D0080_1900
IN ACCORDANCE WITH RTWS, OPTION YEAR 2, OPTION YEAR 3 AND OPTION YEAR 4 (4001-4003) WERE NOT EXERCISED UNDER RFO FAR52.217-9. CONTRACT SAVINGS $5,795,761.8
Department of State
Department of State
2024$3,707,032
CONT_AWD_W9127824F0104_9700_W9127820D0053_9700
THE PURPOSE OF THIS TASK ORDER IS TO AWARD FY24 ENTERPRISE-LEVEL AIR QUALITY SUSTAINMENT PLAN FOR AFCEC JOINT BASE SAN ANTONIO IN LACKLAND, TX.
Department of Defense
Department of the Army
JBSA LACKLAND, TX-232024$3,412,910
CONT_AWD_W9127825F0138_9700_W9127820D0053_9700
THE PURPOSE OF THIS TASK ORDER IS TO AWARD ENTERPRISE LEVEL AIR QUALITY SUSTAINMENT FOR AIR FORCE CIVIL ENGINEERING CENTER AT JOINT BASE SAN ANTONIO, TX.
Department of Defense
Department of the Army
LACKLAND AFB, TX-232025$3,411,047
CONT_AWD_FA564121F0012_9700_FA564120D0007_9700
THE CONTRACTOR SHALL PERFORM REQUIREMENTS IN ACCORDANCE WITH THE PERFORMANCE WORK STATEMENT (PWS).
Department of Defense
Department of the Air Force
2024$3,337,715
CONT_AWD_7200AA23M00007_7200_GS00Q14OADU138_4732
THE PURPOSE OF THE MODIFICATION FOR EVIDENCE MAPPING, SYSTEMATIC REVIEW, AND IMPACT EVALUATION (EMSRIE) ACTIVITY IS TO PROVIDE CLIN2 WORK ORDER #2 IMPACT EVALUATION FOR BANGL…
Agency for International Development
Agency for International Development
PASADENA, CA-282024$3,290,824
CONT_AWD_89233120FNA400272_8900_GS00F168CA_4732
TECHNICAL SUPPORT SERVICES FOR NATIONAL ENVIRONMENTAL POLICY ACT (NEPA) COMPLIANCE ASSOCIATED WITH THE LAWRENCE LIVERMORE NATIONAL LABORATORY (LLNL)
Department of Energy
Department of Energy
LIVERMORE, CA-142024$3,032,151
CONT_AWD_89233119FNA400183_8900_GS00F168CA_4732
TECHNICAL SUPPORT SERVICES FOR NATIONAL ENVIRONMENTAL POLICY ACT (NEPA) COMPLIANCE ASSOCIATED WITH THE PIT PRODUCTION PROGRAM
Department of Energy
Department of Energy
AIKEN, SC-022024$2,980,238
CONT_AWD_W9126G24F0286_9700_GS00F168CA_4732
ADMINISTRATIVE MODIFICATION TO CORRECT NAMING FOR CLINS 3018, 3025, AND 3026.
Department of Defense
Department of the Army
OKLAHOMA CITY, OK-042024$2,888,763
CONT_AWD_HSCGG117FPRV198_7008_GS00Q14OADU138_4732
PSN 9029362 - UTILITIES INVENTORY, CONDITION ASSESSMENT, AND MAPPING (ICAM) PHASE II
Department of Homeland Security
U.S. Coast Guard
WARWICK, RI-022026$2,783,260
CONT_AWD_FA890318F0155_9700_FA890315D0017_9700
DESIGN&REPAIR OF VARIOUS FUELS FACILITIES AT ABRAHAM LINCOLN CAPITAL AIRPORT, SPRINGFIELD ANG, IL
Department of Defense
Department of the Air Force
MALMSTROM AFB, MT-022024$2,675,247
CONT_AWD_68HERH24F0376_6800_68HERH24A0016_6800
ADMIN MOD TO CHANGE CO
Environmental Protection Agency
Environmental Protection Agency
CINCINNATI, OH-012024$2,514,822
CONT_AWD_W9127821F0231_9700_W9127820D0053_9700
AFCFS / IFS PHASE IX ADMINISTRATIVE MODIFICATION TO REMOVE CERTAIN REFERENCES TO COMPLY WITH A RECENT EXECUTIVE ORDER.
Department of Defense
Department of the Army
EGLIN AFB, FL-012024$2,320,491
CONT_AWD_W9127825FA080_9700_W9127820D0053_9700
BUILDER SUSTAINMENT MANAGEMENT SYSTEM (SMS) IMPLEMENTATION FOR INSTALLATION MANAGEMENT COMMAND (IMCOM) AT ID-R BATCH 2 + JACKSON
Department of Defense
Department of the Army
MOBILE, AL-022025$2,255,206
CONT_AWD_7200AA21M00003_7200_GS00Q14OADU138_4732
THE PURPOSE OF MODIFICATION P00007 IS TO EFFECT THE FOLLOWING CHANGES TO THE CONTRACT: 1) AMEND SECTION B.3 TO CLARIFY THE CONTRACT BUDGET; 2) AMEND SECTION C.6 AND F.5.1.2 TO BET…
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$2,220,698
CONT_AWD_70Z02321FMSC00800_7008_GS00Q14OADU138_4732
EXERCISE OPTION PERIOD FOUR. SECTION 2(D)
Department of Homeland Security
U.S. Coast Guard
WASHINGTON, DC-982024$1,892,527
CONT_AWD_W9133L24FA013_9700_GS00Q14OADU138_4732
THESE ENVIRONMENTAL REMEDIATION SERVICES INCLUDE RAO, LTM, AND SCO ACTIVITIES, AS DEFINED IN THIS PWS. ENCLOSURE 3 PWS FY24 REMEDIAL ACTIONS WEST DATED 11 APRIL 2024 CAN BE FOUND…
Department of Defense
Department of the Army
PASADENA, CA-282024$1,870,387
CONT_AWD_FA564121F0014_9700_FA564120D0007_9700
MULTI ENVIRONMENTAL SERVICES FOR UNITED KINGDOM (UK)
Department of Defense
Department of the Air Force
2024$1,794,902

Top 50 awards shown, ranked by obligated amount. Dates reflect performance period; last-modified dates match USAspending.gov. Complete listings include all transaction history going back to FY2024.