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Tetra Tech, Inc.

Chicago, IL · UEI E3QKBMJ7H9K7 · NAICS 541620

NAICS 541620

Tetra Tech, Inc. is a federal contractor based in Chicago, IL operating in professional, scientific, and technical services (NAICS 541620). Tetra Tech, Inc. has received $171.19 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 76 contracts totaling $170.51 million for this firm. Tetra Tech, Inc.'s largest customer is Environmental Protection Agency, accounting for $171.19 million of awarded work.

Lifetime awards (USAspending)
$171.19M
$171,192,355
Tracked contracts
76
$170.51M
Top agency
Environmental Protection
$171.19M

Top contracts

PIIDAgencyLatest actionObligated
68HE0520F0032Environmental Protection AgencySeptember 26, 2024$59.22M
68HE0320F0049Environmental Protection AgencyMarch 24, 2026$18.50M
68HE0320F0072Environmental Protection AgencyFebruary 6, 2026$8.32M
68HE0525F0025Environmental Protection AgencyJune 15, 2026$6.34M
68HE0320F0050Environmental Protection AgencyFebruary 19, 2026$6.15M
68HE0320F0051Environmental Protection AgencyFebruary 6, 2026$5.57M
68HE0520F0031Environmental Protection AgencyAugust 27, 2024$5.56M
68HE0726F0043Environmental Protection AgencyMarch 16, 2026$5.06M
68HE0525F0046Environmental Protection AgencyJuly 8, 2025$5.00M
68HE0519F0107Environmental Protection AgencySeptember 23, 2024$4.58M
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Top customers

AgencyObligatedContracts
Environmental Protection Agency$171.19M76

NAICS portfolio

NAICSDescriptionObligated
541620Environmental Consulting Services$156.15M
562910Remediation Services$15.05M

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Frequently asked questions

How much has Tetra Tech, Inc. received in federal contracts?

Tetra Tech, Inc. has received $171.19 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 76 contracts totaling $170.51 million for this firm. Their largest customer is Environmental Protection Agency, representing $171.19 million of awarded work.

What does Tetra Tech, Inc. do?

Tetra Tech, Inc. is a federal contractor based in Chicago, IL, registered under NAICS 541620 (professional, scientific, and technical services).