United States · Federal contract register · Supplier record

WESTAT, INC.

Line: Health r&d services; health care services; basic research (AN11)Register loaded to September 2026Compiled 6 October 2026

WESTAT, INC. — United States · Federal contract register · Supplier record: 1,457 contracts, all years ($8,728,503,261 · Sep 1992 – Sep 2026); $420M since January 2024 (99 contracts · 13 agencies); 2nd rank in the line (of 283 suppliers · 11.35%); 0 agencies never served ($0 on the line without WESTAT, INC.).

Assay record ASY-US-0JTUMGH0ML · Cite as: Assay Systems, “WESTAT, INC. in the USAspending register”, https://assay-systems.com/register/us/westat-inc/

1,457
contracts, all years
$8,728,503,261 · Sep 1992 – Sep 2026
$420M
since January 2024
99 contracts · 13 agencies
2nd
rank in the line
of 283 suppliers · 11.35%
0
agencies never served
$0 on the line without WESTAT, INC.

Own record by year

2019 onward
$478M
$333M
$113M
$244M
$156M
$326M
$42.1M
$52.0M
20192020202120222023202420252026

Who buys from WESTAT, INC.

since January 2024
13agencies
$420Mpaid
63.6%top buyer
Department of Health and Human Services63.6%
$267,266,555
Department of Education26.7%
$112,058,065
Department of Transportation2.8%
$11,879,634
Department of the Interior1.8%
$7,611,782
National Science Foundation1.4%
$5,785,511
Department of Veterans Affairs0.8%
$3,372,785
Department of Commerce0.8%
$3,181,686
Department of Labor0.7%
$3,050,667
Equal Employment Opportunity Commission0.7%
$2,808,432
Department of Agriculture0.6%
$2,491,414
Consumer Product Safety Commission0.1%
$355,758
Environmental Protection Agency0.0%
$188,761
Department of Justice0.0%
$68,575

Before 2024 only: Agency for International Development, Corporation for National and Community Service, Court Services and Offender Supervision Agency, Department of Defense, Department of Energy, Department of Homeland Security, Department of Housing and Urban Development, Department of State, Department of the Treasury, Federal Trade Commission, General Services Administration, Merit Systems Protection Board, National Aeronautics and Space Administration, Office of Personnel Management, Social Security Administration.

The line

since January 2024
$994Mline value
605contracts
8agencies
283suppliers
62.3%held by top ten

Health r&d services; health care services; basic research (AN11)

$570M
$195M
$229M
202420252026Jan–Sep
2ndof 283 suppliers
$112,829,431WESTAT, INC. in the line
11.35%share of the line
13.2%of $857,776,491 spent by Department of Health and Human Services

How the line is bought

by value, since 2024
29%no competition
12%one applicant
0of these to WESTAT, INC.
Competed, several suppliers applied322 contracts
$593,731,460 · 59.7%
Awarded directly, no competition218 contracts
$284,709,129 · 28.6%
Competed, one supplier applied65 contracts
$115,930,600 · 11.7%

Contracts reaching their end dates

Oct 2026 – October 2027
211contracts
$417,537,307end by October 2027
67end in September 2027 · $243M
$18.5M
$8.6M
$17.9M
$7.9M
$26.1M
$14.6M
$5.7M
$10.4M
$30.7M
$22.3M
$11.4M
$243M
Oct 2611 contractsNov 266 contractsDec 2616 contractsJan 2713 contractsFeb 2716 contractsMar 2714 contractsApr 278 contractsMay 278 contractsJun 2719 contractsJul 2717 contractsAug 2716 contractsSep 2767 contracts

Suppliers next to it in the line

since January 2024
SHIONOGI INC1 contract · 1 agency
$156,103,541
WESTAT, INC.
$112,829,431
4J THERAPEUTICS INC1 contract · 1 agency
$63,083,814
BATTELLE MEMORIAL INSTITUTE9 contracts · 1 agency
$47,251,394

All 283 suppliers in the line

Fastest-growing supplier in the line

same line
+63%growth

Supplier UEI NAPSK1UAMAE5

2024 to date
$43,197,351
2022–2023
$26,490,990

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

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.