United States · Federal contract register · Supplier record

QUEST DIAGNOSTICS INCORPORATED

Line: Reference laboratory testing (Q301)Register loaded to September 2026Compiled 17 October 2026

QUEST DIAGNOSTICS INCORPORATED — United States · Federal contract register · Supplier record: 1,441 contracts, all years ($1,524,567,232 · Apr 2003 – Oct 2026); $304M since January 2024 (233 contracts · 4 agencies); 2nd rank in the line (of 753 suppliers · 19.9%); 14 agencies never served ($20.7M on the line without QUEST DIAGNOSTICS INCORPORATED).

Assay record ASY-US-02WC22I0PE · Cite as: Assay Systems, “QUEST DIAGNOSTICS INCORPORATED: 233 government contracts in the United States since 2024”, https://assay-systems.com/register/us/quest-diagnostics-incorporated/

1,441
contracts, all years
$1,524,567,232 · Apr 2003 – Oct 2026
$304M
since January 2024
233 contracts · 4 agencies
2nd
rank in the line
of 753 suppliers · 19.9%
14
agencies never served
$20.7M on the line without QUEST DIAGNOSTICS INCORPORATED

Own record by year

2019 onward
$62.2M
$135M
$73.9M
$132M
$75.8M
$107M
$108M
$88.8M
20192020202120222023202420252026

Who buys from QUEST DIAGNOSTICS INCORPORATED

since January 2024
4agencies
$304Mpaid
94.5%top buyer
Department of Veterans Affairs94.5%
$286,701,050
Department of Health and Human Services4.5%
$13,684,047
Department of Justice0.9%
$2,606,766
Department of Defense0.2%
$527,962

Before 2024 only: Department of Homeland Security, Department of Transportation, Department of the Interior.

Won without a rival

2024-06-07 – 2024-08-13
2uncontested awards
50%of its awards
2without a competition
0single bid

QUEST DIAGNOSTICS INCORPORATED won 2 of its 4 public contract awards in United States without a rival from 2024-06-07 to 2024-08-13, worth $98.3K: 2 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest Centers for Disease Control and Prevention with 1.

Buyers: Centers for Disease Control and Prevention (1) · Department of Veterans Affairs (1)

Every uncontested award of QUEST DIAGNOSTICS INCORPORATED · United States: all uncontested awards

The line

since January 2024
$1.4Bline value
4,363contracts
21agencies
753suppliers
60.5%held by top ten

Reference laboratory testing (Q301)

$549M
$549M
$303M
202420252026Jan–Sep
2ndof 753 suppliers
$278,758,648QUEST DIAGNOSTICS INCORPORATED in the line
19.9%share of the line
29.9%of $800,906,824 spent by Department of Veterans Affairs
6.4%of $259,768,909 spent by Department of Health and Human Services
75.6%of $26,989,285 spent by Department of Justice

Agencies that buy the line and never bought from QUEST DIAGNOSTICS INCORPORATED

14agencies
94contracts
$20,728,878since January 2024
Court Services and Offender Supervision Agency6 contracts
$7,151,083
Department of State8 contracts
$4,934,793
Department of Labor1 contract
$2,280,000
Department of Agriculture42 contracts
$1,937,806
Executive Office of the President2 contracts
$1,391,038
Department of Energy5 contracts
$1,226,989
Department of Commerce3 contracts
$774,384
Department of the Treasury12 contracts
$378,838
General Services Administration1 contract
$327,268
Smithsonian Institution6 contracts
$130,204
Environmental Protection Agency5 contracts
$113,505
Government Accountability Office1 contract
$38,526
Defense Nuclear Facilities Safety Board1 contract
$26,820
Peace Corps1 contract
$17,625

How the line is bought

by value, since 2024
18%no competition
9%one applicant
0of these to QUEST DIAGNOSTICS INCORPORATED
Competed, several suppliers applied2,549 contracts
$1,016,736,601 · 72.6%
Awarded directly, no competition1,221 contracts
$254,640,822 · 18.2%
Competed, one supplier applied593 contracts
$129,308,719 · 9.2%

Contracts reaching their end dates

Oct 2026 – October 2027
867contracts
$373,905,481end by October 2027
235end in March 2027 · $79.9M
26in agencies never served · $9.0M
$12.4M
$14.6M
$29.2M
$42.2M
$22.5M
$79.9M
$16.8M
$7.2M
$20.2M
$24.9M
$9.4M
$94.7M
Oct 2623 contractsNov 2649 contractsDec 2663 contractsJan 2748 contractsFeb 2748 contractsMar 27235 contractsApr 2751 contractsMay 2737 contractsJun 2765 contractsJul 2758 contractsAug 2755 contractsSep 27135 contracts

Fastest-growing supplier in the line

same line
+34%growth

Supplier UEI NHYWLYK6NBM8

2024 to Sep 2026
$292,229,334
2022–2023
$217,743,208

The extract

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

Request extractSee a sample extract

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.