TETRA TECH, INC.

FY 2026

FY 2026 · contracts ≥ $1M

$244M

89 awards · top agency: Department of Defense · as of Aug 31, 2026

Contracts ≥ $1M, not revenue

$244M

FY 2026 LDA lobbying total

FY 2026 PAC/employee-attributed

Award dollars are federal obligations from contracts of $1M or more (USAspending), not revenue or profit. Lobbying totals come from LDA filings, not contract-level spending. Donations are PAC or employee-attributed records. Overlaps show association, not causation.

USAspending contract awards

What they took

These are obligated federal contract dollars from awards of $1 million or more. They are not profit, revenue, a contract ceiling, or the company's full federal total. Data loaded as of Aug 31, 2026.

TETRA TECH, INC.

Federal contract obligations (≥$1M) by awarding agency.

Contracts ≥$1M · FY2026

$244M

▲ 0.4× since FY2022

Department of DefenseDepartment of StateDepartment of TransportationOther agenciesDepartment of Energy

TETRA TECH, INC.: Federal contract obligations (≥$1M) by awarding agency.
Agency	FY2022	FY2023	FY2024	FY2025	FY2026
Department of Defense	$225M	$223M	$187M	$235M	$79M
Department of State	$89M	$115M	$60M	$122M	$49M
Department of Transportation	$40M	$0	$0	$65M	$48M
Other agencies	$233M	$392M	$277M	$196M	$42M
Department of Energy	$0	$0	$0	$0	$26M

Department of Defense$79M

25 loaded awards

Department of State$49M

3 loaded awards

Department of Transportation$48M

27 loaded awards

Department of Energy$26M

11 loaded awards

Environmental Protection Agency$24M

13 loaded awards

Agency for International Development$4.5M

2 loaded awards

Millennium Challenge Corporation$3.0M

2 loaded awards

Department of the Interior$2.4M

1 loaded awards

Department of Agriculture$2.3M

2 loaded awards

National Aeronautics and Space Administration$2.2M

1 loaded awards

Department of Commerce$1.9M

1 loaded awards

Department of Justice$1.7M

1 loaded awards

Department of State
Department of State · 2026-05-29 · NAICS 562910 · PSC R408
$29M
tx|CONT_AWD_19AQMM22F3911_1900_19AQMM18D0080_1900|2026-05-29|29000000.00|P00019Source
Department of State
Department of State · 2026-07-22 · NAICS 562910 · PSC R408
$17M
tx|CONT_AWD_19AQMM24F0007_1900_19AQMM18D0080_1900|2026-07-22|16518746.62|P00012Source
Department of Defense
Department of the Army · 2026-02-25 · NAICS 541330 · PSC C219
$8.6M
tx|CONT_AWD_W912DY26FA052_9700_W912DY25D0071_9700|2026-02-25|8626401.02|0Source
Department of Defense
Department of the Army · 2026-01-30 · NAICS 541330 · PSC C219
$8.6M
tx|CONT_AWD_W912DY26FA036_9700_W912DY23D0030_9700|2026-01-30|8626401.02|0Source
Department of Defense
Department of the Army · 2026-01-27 · NAICS 541330 · PSC C1CA
$7.6M
tx|CONT_AWD_W912UM26FA017_9700_W912UM23D0006_9700|2026-01-27|7590168.37|0Source
Department of Transportation
Federal Aviation Administration · 2026-08-11 · NAICS 541330 · PSC K017
$5.8M
tx|CONT_AWD_693KA819F00378_6920_DTFAWA17D00013_6920|2026-08-11|5841549.58|P00050Source
Department of Energy
Department of Energy · 2025-12-08 · NAICS 541330 · PSC R499
$5.5M
tx|CONT_AWD_89303019FET400015_8900_GS00Q14OADS108_4732|2025-12-08|5500000.00|P00045Source
Department of Defense
Department of the Army · 2026-05-28 · NAICS 541330 · PSC F114
$5.2M
tx|CONT_AWD_W9128F26FA080_9700_W9128F24D0018_9700|2026-05-28|5249224.18|0Source
Environmental Protection Agency
Environmental Protection Agency · 2026-02-26 · NAICS 562910 · PSC F108
$5.1M
tx|CONT_AWD_68HE0726F0043_6800_68HE0318D0014_6800|2026-02-26|5058117.95|0Source
Environmental Protection Agency
Environmental Protection Agency · 2026-08-21 · NAICS 541620 · PSC B510
$5.0M
tx|CONT_AWD_68HE0923F0051_6800_68HE0923D0002_6800|2026-08-21|4989233.51|P00007Source
Department of Defense
Defense Logistics Agency · 2026-02-05 · NAICS 541330 · PSC R425
$4.3M
tx|CONT_AWD_SP470626F0010_9700_SP470626D0004_9700|2026-02-05|4322542.47|0Source
Department of Defense
Defense Health Agency · 2026-02-11 · NAICS 541330 · PSC R707
$4.3M
tx|CONT_AWD_HT005019F0001_9700_GS00Q14OADS103_4732|2026-02-11|4271774.21|P00041Source
Department of Energy
Department of Energy · 2026-04-10 · NAICS 541330 · PSC R499
$4.0M
tx|CONT_AWD_89303019FET400015_8900_GS00Q14OADS108_4732|2026-04-10|4000000.00|P00048Source
Department of Defense
Department of the Air Force · 2025-11-04 · NAICS 541330 · PSC R499
$3.8M
tx|CONT_AWD_FA872322F9009_9700_GS00Q14OADU138_4732|2025-11-04|3842510.60|P00082Source
Department of Defense
Department of the Army · 2026-05-31 · NAICS 541330 · PSC C219
$3.5M
tx|CONT_AWD_W9127826FA140_9700_W9127825DA012_9700|2026-05-31|3501476.30|0Source
Agency for International Development
Agency for International Development · 2026-07-13 · NAICS 541990 · PSC R408
$3.5M
tx|CONT_AWD_72027822C00005_7200_-NONE-_-NONE-|2026-07-13|3482995.07|P00010Source
Department of Transportation
Federal Aviation Administration · 2026-08-06 · NAICS 541990 · PSC 5810
$3.4M
tx|CONT_AWD_693KA925C00015_6920_-NONE-_-NONE-|2026-08-06|3448000.00|P00011Source
Department of Energy
Department of Energy · 2026-07-31 · NAICS 541330 · PSC R499
$3.4M
tx|CONT_AWD_89303019FET400015_8900_GS00Q14OADS108_4732|2026-07-31|3400000.00|P00049Source
Department of Defense
Department of the Army · 2026-04-07 · NAICS 541620 · PSC F999
$3.3M
tx|CONT_AWD_W9126G24F0286_9700_GS00F168CA_4732|2026-04-07|3323201.00|P00007Source
Department of Defense
Department of the Army · 2026-02-26 · NAICS 541330 · PSC C219
$3.2M
tx|CONT_AWD_W9123626FA008_9700_W9123625DA007_9700|2026-02-26|3231704.09|0Source
Department of Transportation
Federal Aviation Administration · 2026-06-01 · NAICS 541330 · PSC R408
$3.1M
tx|CONT_AWD_693KA924F00106_6920_693KA921D00002_6920|2026-06-01|3150000.00|P00008Source
Department of Defense
Defense Health Agency · 2026-02-11 · NAICS 541330 · PSC R707
$3.1M
tx|CONT_AWD_HT005019F0002_9700_GS00Q14OADS103_4732|2026-02-11|3092544.19|P00036Source
Department of State
Department of State · 2026-08-14 · NAICS 541611 · PSC R410
$3.0M
tx|CONT_AWD_72049224C00001_7200_-NONE-_-NONE-|2026-08-14|2993523.53|P00010Source
Department of Transportation
Federal Aviation Administration · 2025-12-10 · NAICS 541330 · PSC R425
$2.9M
tx|CONT_AWD_693KA821F00282_6920_DTFAWA15D00030_6920|2025-12-10|2891453.00|P00041Source
Department of Energy
Department of Energy · 2026-02-09 · NAICS 541512 · PSC R406
$2.9M
tx|CONT_AWD_89233123FNA400502_8900_75N98120D00240_7529|2026-02-09|2886916.84|P00010Source
Department of Transportation
Federal Aviation Administration · 2026-08-20 · NAICS 541330 · PSC R425
$2.7M
tx|CONT_AWD_693KA818F00128_6920_DTFAWA17D00015_6920|2026-08-20|2725661.49|P00050Source
Department of Defense
Department of the Army · 2026-02-05 · NAICS 541330 · PSC C219
$2.5M
tx|CONT_AWD_W912DY25FA226_9700_W912DY25D0071_9700|2026-02-05|2543867.45|P00001Source
Department of the Interior
Bureau of Indian Affairs and Bureau of Indian Education · 2026-01-21 · NAICS 541511 · PSC D302
$2.4M
tx|CONT_AWD_140A1620F0025_1450_47QTCA19D001L_4732|2026-01-21|2393364.00|P00012Source
Department of Defense
Department of the Air Force · 2026-01-27 · NAICS 541511 · PSC DC01
$2.3M
tx|CONT_AWD_FA701424F0121_9700_47QTCA19D001L_4732|2026-01-27|2345077.15|P00007Source
Department of Transportation
Federal Aviation Administration · 2026-08-27 · NAICS 541330 · PSC K017
$2.3M
tx|CONT_AWD_693KA818F00028_6920_DTFAWA17D00013_6920|2026-08-27|2292959.52|P00055Source
Department of Transportation
Federal Aviation Administration · 2026-05-01 · NAICS 541990 · PSC 5810
$2.2M
tx|CONT_AWD_693KA925C00015_6920_-NONE-_-NONE-|2026-05-01|2244094.76|P00008Source
Department of Defense
Defense Logistics Agency · 2025-11-17 · NAICS 541519 · PSC DA01
$2.2M
tx|CONT_AWD_SP470924F0017_9700_SP470917D0015_9700|2025-11-17|2208462.80|P00004Source
Environmental Protection Agency
Environmental Protection Agency · 2026-07-21 · NAICS 541620 · PSC R499
$2.2M
tx|CONT_AWD_68HERL26F0175_6800_68HE0P24A0007_6800|2026-07-21|2170999.62|0Source
National Aeronautics and Space Administration
National Aeronautics and Space Administration · 2026-03-30 · NAICS 541620 · PSC C219
$2.2M
tx|CONT_AWD_80NM0025FA001_8000_80KSC024DA005_8000|2026-03-30|2163846.00|P00001Source
Department of Energy
Department of Energy · 2026-08-19 · NAICS 541330 · PSC R499
$2.1M
tx|CONT_AWD_89303019FET400015_8900_GS00Q14OADS108_4732|2026-08-19|2100000.00|P00050Source
Environmental Protection Agency
Environmental Protection Agency · 2026-08-13 · NAICS 541620 · PSC R429
$2.1M
tx|CONT_AWD_68HE0826F0052_6800_68HE0820D0001_6800|2026-08-13|2100000.00|0Source
Department of Defense
Department of the Army · 2026-03-03 · NAICS 541330 · PSC C219
$2.0M
tx|CONT_AWD_W912PP26FA007_9700_W912PL25D0013_9700|2026-03-03|2011461.32|0Source
Department of Transportation
Federal Aviation Administration · 2026-02-04 · NAICS 541330 · PSC R425
$2.0M
tx|CONT_AWD_693KA818F00128_6920_DTFAWA17D00015_6920|2026-02-04|2000000.00|P00046Source
Department of Defense
Department of the Army · 2025-11-12 · NAICS 541330 · PSC C211
$2.0M
tx|CONT_AWD_W9127826FA009_9700_W9127822D0018_9700|2025-11-12|1967745.49|0Source
Department of Energy
Department of Energy · 2026-02-04 · NAICS 541620 · PSC F115
$1.9M
tx|CONT_AWD_89233125FNA000182_8900_89303022AGC000004_8900|2026-02-04|1943504.79|P00002Source
Department of Commerce
U.S. Patent and Trademark Office · 2026-04-15 · NAICS 541512 · PSC DE10
$1.9M
tx|CONT_AWD_1333BJ22F00280013_1344_HHSN316201200029W_7529|2026-04-15|1869254.66|P26009Source
Department of Defense
Department of the Army · 2026-01-21 · NAICS 541330 · PSC C219
$1.9M
tx|CONT_AWD_W9127826FA042_9700_W9127825D0010_9700|2026-01-21|1863491.04|0Source
Department of Defense
Department of the Army · 2026-01-15 · NAICS 541330 · PSC C219
$1.8M
tx|CONT_AWD_W912PL26FA004_9700_W912PL25D0013_9700|2026-01-15|1792617.94|0Source
Department of Energy
Department of Energy · 2026-06-01 · NAICS 541620 · PSC F115
$1.8M
tx|CONT_AWD_89233126FNA000218_8900_89303022AGC000004_8900|2026-06-01|1755226.00|0Source
Millennium Challenge Corporation
Millennium Challenge Corporation · 2026-07-02 · NAICS 541611 · PSC R499
$1.7M
tx|CONT_AWD_95332424C0069_9543_-NONE-_-NONE-|2026-07-02|1736259.46|P00004Source
Department of Justice
Federal Bureau of Investigation · 2026-02-25 · NAICS 541310 · PSC R499
$1.7M
tx|CONT_AWD_15F06722F0000843_1549_15F06719D0001026_1549|2026-02-25|1701199.00|P00007Source
Department of Transportation
Federal Aviation Administration · 2026-04-27 · NAICS 541330 · PSC K017
$1.7M
tx|CONT_AWD_693KA819F00378_6920_DTFAWA17D00013_6920|2026-04-27|1700000.00|P00047Source
Department of Transportation
Federal Aviation Administration · 2026-05-08 · NAICS 541330 · PSC R499
$1.7M
tx|CONT_AWD_693KA826F00084_6920_693KA822D00027_6920|2026-05-08|1696150.00|P00001Source
Department of Transportation
Federal Aviation Administration · 2025-12-12 · NAICS 541330 · PSC K017
$1.5M
tx|CONT_AWD_693KA819F00378_6920_DTFAWA17D00013_6920|2025-12-12|1500000.00|P00043Source
Department of Energy
Department of Energy · 2026-08-06 · NAICS 541620 · PSC F115
$1.5M
tx|CONT_AWD_89233126FNA000218_8900_89303022AGC000004_8900|2026-08-06|1495000.00|P00002Source
Department of Defense
Department of the Army · 2025-12-18 · NAICS 541330 · PSC F114
$1.4M
tx|CONT_AWD_W9128F25FA032_9700_W9128F24D0018_9700|2025-12-18|1441071.59|P00001Source
Department of Transportation
Federal Aviation Administration · 2026-01-27 · NAICS 541990 · PSC 5810
$1.4M
tx|CONT_AWD_693KA925C00015_6920_-NONE-_-NONE-|2026-01-27|1427861.49|P00006Source
Environmental Protection Agency
Environmental Protection Agency · 2026-07-31 · NAICS 541620 · PSC R429
$1.4M
tx|CONT_AWD_68HE0426F0093_6800_68HERF26D0013_6800|2026-07-31|1400000.00|0Source
Department of Transportation
Federal Aviation Administration · 2026-06-05 · NAICS 541330 · PSC K017
$1.4M
tx|CONT_AWD_693KA819F00378_6920_DTFAWA17D00013_6920|2026-06-05|1400000.00|P00049Source
Environmental Protection Agency
Environmental Protection Agency · 2026-06-02 · NAICS 562910 · PSC F108
$1.4M
tx|CONT_AWD_68HE0526F0068_6800_68HE0523D0004_6800|2026-06-02|1398228.31|0Source
Department of Defense
Department of the Army · 2026-02-10 · NAICS 541330 · PSC C211
$1.4M
tx|CONT_AWD_W912ER22F0110_9700_W912ER19D0013_9700|2026-02-10|1367600.37|P00005Source
Department of Defense
Department of the Army · 2025-11-07 · NAICS 541330 · PSC C219
$1.4M
tx|CONT_AWD_W912P426FA003_9700_W912QR23D0047_9700|2025-11-07|1362417.67|0Source
Department of Defense
Department of the Navy · 2026-01-30 · NAICS 541330 · PSC Z1AA
$1.4M
tx|CONT_AWD_N0002422F3000_9700_N0017819D7261_9700|2026-01-30|1350000.00|P00023Source
Department of Transportation
Federal Aviation Administration · 2026-05-07 · NAICS 541990 · PSC 5810
$1.3M
tx|CONT_AWD_693KA925C00015_6920_-NONE-_-NONE-|2026-05-07|1321562.73|P00009Source
Department of Transportation
Federal Aviation Administration · 2026-08-20 · NAICS 541330 · PSC R425
$1.3M
tx|CONT_AWD_0008_6920_DTFAWA17D00015_6920|2026-08-20|1267500.00|P00038Source
Department of Agriculture
Forest Service · 2026-08-04 · NAICS 115310 · PSC F099
$1.3M
tx|CONT_AWD_12363N23F4326_12C2_12363N23A4209_12C2|2026-08-04|1256439.43|P00005Source
Millennium Challenge Corporation
Millennium Challenge Corporation · 2026-06-18 · NAICS 541320 · PSC R499
$1.2M
tx|CONT_AWD_95332426F0048_9543_47QRCA25DU329_4732|2026-06-18|1241118.00|0Source
Environmental Protection Agency
Environmental Protection Agency · 2026-06-02 · NAICS 562910 · PSC F108
$1.2M
tx|CONT_AWD_68HE0526F0084_6800_68HE0523D0004_6800|2026-06-02|1231035.90|0Source
Department of Transportation
Federal Aviation Administration · 2026-07-08 · NAICS 541330 · PSC K017
$1.2M
tx|CONT_AWD_0003_6920_DTFAWA17D00013_6920|2026-07-08|1217500.00|P00094Source
Department of Transportation
Federal Aviation Administration · 2026-03-30 · NAICS 541330 · PSC R499
$1.2M
tx|CONT_AWD_693KA823F00244_6920_693KA822D00027_6920|2026-03-30|1201348.00|P00016Source
Department of Energy
Department of Energy · 2026-03-04 · NAICS 541330 · PSC R499
$1.2M
tx|CONT_AWD_89303019FET400015_8900_GS00Q14OADS108_4732|2026-03-04|1200000.00|P00046Source
Department of Transportation
Federal Aviation Administration · 2026-02-26 · NAICS 541330 · PSC R408
$1.2M
tx|CONT_AWD_693KA924F00106_6920_693KA921D00002_6920|2026-02-26|1200000.00|P00006Source
Department of Transportation
Federal Aviation Administration · 2026-02-04 · NAICS 541330 · PSC K017
$1.2M
tx|CONT_AWD_693KA819F00378_6920_DTFAWA17D00013_6920|2026-02-04|1168890.87|P00045Source
Department of Defense
Defense Logistics Agency · 2025-11-06 · NAICS 541519 · PSC DF01
$1.2M
tx|CONT_AWD_SP470925F0081_9700_SP470924D0068_9700|2025-11-06|1166705.76|P00001Source
Department of Transportation
Federal Aviation Administration · 2025-12-18 · NAICS 541330 · PSC R408
$1.1M
tx|CONT_AWD_693KA921F00108_6920_693KA921D00002_6920|2025-12-18|1149000.00|P00016Source
Environmental Protection Agency
Environmental Protection Agency · 2026-08-14 · NAICS 562910 · PSC F108
$1.1M
tx|CONT_AWD_68HE0526F0084_6800_68HE0523D0004_6800|2026-08-14|1097509.58|P00001Source
Department of Transportation
Federal Aviation Administration · 2026-07-20 · NAICS 541330 · PSC R425
$1.1M
tx|CONT_AWD_693KA819F00354_6920_DTFAWA17D00015_6920|2026-07-20|1086000.00|P00042Source
Department of Defense
Department of the Army · 2025-12-02 · NAICS 541330 · PSC C211
$1.1M
tx|CONT_AWD_W9127826FA024_9700_W9127820D0033_9700|2025-12-02|1081313.67|0Source
Department of Defense
Department of the Navy · 2026-04-15 · NAICS 541330 · PSC Z1AA
$1.1M
tx|CONT_AWD_N0002422F3000_9700_N0017819D7261_9700|2026-04-15|1050000.00|P00025Source
Department of Agriculture
Forest Service · 2026-04-02 · NAICS 115310 · PSC F099
$1.0M
tx|CONT_AWD_12363N23F4326_12C2_12363N23A4209_12C2|2026-04-02|1039849.13|P00004Source
Environmental Protection Agency
Environmental Protection Agency · 2026-06-10 · NAICS 541620 · PSC U006
$1.0M
tx|CONT_AWD_68HERH25F0282_6800_68HERH24A0016_6800|2026-06-10|1030000.00|P00003Source
Department of Transportation
Federal Aviation Administration · 2026-01-22 · NAICS 541330 · PSC R425
$1.0M
tx|CONT_AWD_0008_6920_DTFAWA17D00015_6920|2026-01-22|1023000.00|P00034Source
Department of Transportation
Federal Aviation Administration · 2026-06-02 · NAICS 541330 · PSC R425
$1.0M
tx|CONT_AWD_0008_6920_DTFAWA17D00015_6920|2026-06-02|1005166.25|P00036Source
Environmental Protection Agency
Environmental Protection Agency · 2026-08-24 · NAICS 541620 · PSC R429
$1.0M
tx|CONT_AWD_68HE0426F0101_6800_68HERF26D0013_6800|2026-08-24|1000000.00|0Source
Environmental Protection Agency
Environmental Protection Agency · 2026-08-18 · NAICS 541620 · PSC R429
$1.0M
tx|CONT_AWD_68HE0426F0100_6800_68HERF26D0013_6800|2026-08-18|1000000.00|0Source
Environmental Protection Agency
Environmental Protection Agency · 2026-08-12 · NAICS 541620 · PSC R429
$1.0M
tx|CONT_AWD_68HE0426F0095_6800_68HERF26D0013_6800|2026-08-12|1000000.00|0Source
Department of Transportation
Federal Aviation Administration · 2026-06-25 · NAICS 541330 · PSC R408
$1.0M
tx|CONT_AWD_693KA921F00224_6920_693KA921D00002_6920|2026-06-25|1000000.00|P00029Source
Environmental Protection Agency
Environmental Protection Agency · 2026-03-26 · NAICS 541620 · PSC R429
$1.0M
tx|CONT_AWD_68HE0525F0025_6800_68HE0525D0004_6800|2026-03-26|1000000.00|P00027Source
Department of Energy
Federal Energy Regulatory Commission · 2026-02-26 · NAICS 541620 · PSC R499
$1.0M
tx|CONT_AWD_89603026F0015_8960_89603023A0001_8960|2026-02-26|1000000.00|0Source
Department of Transportation
Federal Aviation Administration · 2026-02-02 · NAICS 541330 · PSC R499
$1.0M
tx|CONT_AWD_693KA824F00001_6920_693KA822D00027_6920|2026-02-02|1000000.00|P00007Source
Department of Transportation
Federal Aviation Administration · 2026-01-27 · NAICS 541330 · PSC R425
$1.0M
tx|CONT_AWD_693KA819F00354_6920_DTFAWA17D00015_6920|2026-01-27|1000000.00|P00036Source
Department of Transportation
Federal Aviation Administration · 2026-01-15 · NAICS 541330 · PSC R425
$1.0M
tx|CONT_AWD_693KA818F00128_6920_DTFAWA17D00015_6920|2026-01-15|1000000.00|P00045Source
Agency for International Development
Agency for International Development · 2025-12-31 · NAICS 541990 · PSC R408
$1.0M
tx|CONT_AWD_72027822C00005_7200_-NONE-_-NONE-|2025-12-31|1000000.00|P00007Source
Department of Energy
Department of Energy · 2025-10-27 · NAICS 541330 · PSC R499
$1.0M
tx|CONT_AWD_89303019FET400015_8900_GS00Q14OADS108_4732|2025-10-27|1000000.00|P00044Source

Lobbying and donations

What they spent

LDA lobbying spend

This is the annual total reported in lobbying filings. It is not labeled as spending on a specific contract.

No lobbying-company match is attached yet.

PAC/employee-attributed donations

Donation totals combine PAC and employee-attributed individual records where the contractor resolves to a donor.

Company PAC $0 · employee giving $200

Top politicians by matched donation total

Who they funded

Steven OuelletteDemocratic · MA · 1 records$200

More records

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