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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 $214.30 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 $214.30 million of awarded work.

Lifetime awards (USAspending)
$214.30M
$214,297,789
Tracked contracts
76
$170.51M
Top agency
Environmental Protection
$214.30M

Top contracts

PIIDAgencyLatest actionObligated
0020Environmental Protection AgencyFebruary 7, 2020$99.0K
0005Environmental Protection AgencyJune 15, 2020$93.9K
68HE0520F0027Environmental Protection AgencyApril 7, 2023$93.2K
68HE0523F0019Environmental Protection AgencyOctober 31, 2024$90.3K
68HE0520F0023Environmental Protection AgencyAugust 28, 2025$90.1K
68HE0524F0053Environmental Protection AgencyMarch 30, 2026$900.9K
68HE0924F0005Environmental Protection AgencyApril 7, 2026$8.77M
68HE0522F0077Environmental Protection AgencySeptember 1, 2025$8.7K
68HE0519F0112Environmental Protection AgencyAugust 28, 2025$83.9K
68HE0320F0072Environmental Protection AgencyFebruary 6, 2026$8.32M
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Top customers

AgencyObligatedContracts
Environmental Protection Agency$214.30M123

NAICS portfolio

NAICSDescriptionObligated
541620Environmental Consulting Services$190.70M
562910Remediation Services$23.60M

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Frequently asked questions

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

Tetra Tech, Inc. has received $214.30 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 $214.30 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).