Environmental assessments (B510): United States public contracts since 2024

Updated 8 October 2026 · all lines

Environmental assessments (B510): United States public contracts since 2024. Since January 2024 the line carries 767 contracts worth $370,635,503 from 20 agencies. 336 suppliers share it. $147,301,451 in 2024. $112,622,623 in 2025. $110,711,429 in 2026.

Assay record ASY-US-0PMORYT0UL · Cite as: Assay Systems, “Environmental assessments (B510): United States public contracts since 2024”, https://assay-systems.com/register/us/line/environmental-assessments/

The line

Since January 2024 the line carries 767 contracts worth $370,635,503 from 20 agencies. 336 suppliers share it.

$147,301,451 in 2024. $112,622,623 in 2025. $110,711,429 in 2026.

Suppliers in the line, by value since 2024

24 more suppliers in the line are not listed here, because their register name may be the name of a private person.

The extract for this line

Names every department and buying office behind the figures, who holds each contract now, its value, contract number and end date, the open notices with their closing dates, and the notices behind every figure.

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Largest suppliers in the line

Share of the line held by each of its largest suppliers, by value, in the USAspending register.

VERNADERO GROUP INC9.8%GULF SOUTH RESEARCH CORP8.0%DAWSON SOLUTIONS, INC.6.7%HDR ENVIRONMENTAL, OPERATIONS AND CONST…6.6%EASTERN RESEARCH GROUP INC5.6%UNIVERSITY OF CALIFORNIA, DAVIS4.4%WSP USA SOLUTIONS INC3.6%TELLUS CIVIC SCIENCE CORPORATION2.5%TIERRA RIGHT OF WAY SERVICES LTD2.4%ECO & ASSOCIATES, INC.2.3%

All suppliers in United States, A to Z

Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.