Industries › NAICS 621511
Industry · NAICS 621511 · sector 62 Health care and social assistance
Medical Laboratories
Federal contract obligations classified under NAICS 621511, the organisations that win them and the agencies that award them.
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026.
Federal agencies obligated $215M in contracts classified under NAICS 621511, Medical Laboratories, in FY2026, and $1.5B over the five fiscal years since FY2023; the industry ranks 155 of 544 on this site.
Obligations were down 53% on FY2025 ($460M), with $0 so far in FY2027.
The largest recipient organisations over FY2022–FY2025 were Walgreen Co. ($606M), Laboratory Corporation of America ($520M) and Quest Diagnostics Incorporated ($471M).
By place of performance, the most money went to IL, NC and NJ.
Contract obligations by fiscal year
Compared with the largest industry FY2026
| Measure | This industry | Aircraft Manufacturing | All contracts |
|---|---|---|---|
| Contract obligations, FY2026 | $215M | $44B | $716B |
| Five-year total | $1.5B | $210B | $3.0T |
| Share of all contract obligations, five years | 0.1% | 7% | 100% |
Top contractors obligations, FY2022–FY2025
| # | Organisation | Obligations |
|---|---|---|
| 1 | Walgreen Co. | $606M |
| 2 | Laboratory Corporation of America | $520M |
| 3 | Quest Diagnostics Incorporated | $471M |
| 4 | Minuteclinic, L.L.C. | $186M |
| 5 | Rite Aid Hdqtrs. Corp. | $143M |
| 6 | Foundation Medicine, Inc. | $114M |
| 7 | Helix Opco LLC | $97M |
| 8 | Sna International LLC | $63M |
| 9 | Center for Disease Detection, LLC | $49M |
| 10 | Laboratory Corporation of America | $42M |
| 11 | The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc. | $37M |
| 12 | E3HEALTH Solutions, LLC | $31M |
| 13 | Arup Laboratories Inc | $31M |
| 14 | Mayo Collaborative Services, Inc. | $28M |
| 15 | Tempus Ai, Inc | $22M |
| 16 | Pembrooke Occupational Health, Inc. | $22M |
| 17 | Loyal Source Government Services LLC | $22M |
| 18 | Fulgent Therapeutics LLC | $21M |
| 19 | Mci Diagnostic Center LLC | $16M |
| 20 | Northern Plains Laboratory LLC | $16M |
| 21 | Laboratories Nexelis Canada Inc | $15M |
| 22 | Creative Testing Solutions | $14M |
| 23 | Baylor Miraca Genetics Laboratories LLC | $13M |
| 24 | Family Health International | $13M |
| 25 | Sonora Quest Laboratories LLC | $13M |
Buying agencies $1.0M+ awards
Where the work is performed
Largest awards since FY2023
Other industries in sector 62: Health care and social assistance
- 621111 Offices of Physicians (except Mental Health Specialists) $25B
- 622110 General Medical and Surgical Hospitals $5.9B
- 623110 Nursing Care Facilities (Skilled Nursing Facilities) $2.9B
- 624190 Other Individual and Family Services $2.7B
- 621492 Kidney Dialysis Centers $2.6B
- 621498 All Other Outpatient Care Centers $2.3B
- 621999 All Other Miscellaneous Ambulatory Health Care Services $1.8B
- 623990 Other Residential Care Facilities $1.8B
- 621910 Ambulance Services $1.4B
- 621112 Offices of Physicians, Mental Health Specialists $794M
- 624230 Emergency and Other Relief Services $792M
- 624310 Vocational Rehabilitation Services $681M
- 621399 Offices of All Other Miscellaneous Health Practitioners $675M
- 621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists $624M
- 621991 Blood and Organ Banks $424M
- 624110 Child and Youth Services $368M
- 621512 Diagnostic Imaging Centers $353M
- 624221 Temporary Shelters $267M
- 621610 Home Health Care Services $226M
- 624229 Other Community Housing Services $215M
- 621420 Outpatient Mental Health and Substance Abuse Centers $189M
- 621210 Offices of Dentists $169M
- 623220 Residential Mental Health and Substance Abuse Facilities $164M
- 621330 Offices of Mental Health Practitioners (except Physicians) $71M
Questions and answers
How much does the federal government spend on NAICS 621511?
$215M in contract obligations classified under Medical Laboratories in FY2026, $1.5B over the five fiscal years since FY2023. Obligations are commitments, not payments.
Who are the top contractors in Medical Laboratories?
Walgreen Co. ($606M), Laboratory Corporation of America ($520M), Quest Diagnostics Incorporated ($471M), Minuteclinic, L.L.C. ($186M), Rite Aid Hdqtrs. Corp. ($143M), by contract obligations over FY2022–FY2025.
Which agencies buy in this industry?
By the value of $1.0M-plus contracts since FY2023: Department of Veterans Affairs ($588M), Department of Defense ($264M), Department of Health and Human Services ($104M), Department of State ($20M), Department of Homeland Security ($11M).
What is a NAICS code?
In USAspending's words: "NAICS stands for the North American Industrial Classification System. This 6-digit code tells you what industry the work falls into. Each contract record has a NAICS code." Assistance awards (grants, loans, direct payments) carry no NAICS code and are not counted here.
Provenance
Source: USAspending.gov API v2, spending by category (NAICS) by fiscal year, recipient cross-tabulation for FY2022–FY2025 and award search, loaded 30 Sep 2026. State figures come from each state's top-100 NAICS list, so small amounts in a state may be missing. See methodology.