Federal Capture Intelligence

Top HHS medical laboratories contractors (NAICS 621511)

Contract actions: October 1, 2021 – October 23, 2026 Updated October 24, 2026 Department of Health and Human Services agency guide NAICS 621511 · Medical Laboratories
Latest 12 months
-$122.9M
Net obligations · Down $158.5M vs. $35.6M preceding
Prime contractors
60
With positive obligations in the latest 12 months

Research the HHS federal contracting market for medical laboratories under NAICS 621511. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, contract types, competition, and procurement methods, and observed contract vehicle usage.

Contract obligation trends for Medical Laboratories at the Department of Health and Human Services

Federal records show $1.3B in net obligations across 1,616 awards in Medical Laboratories at the Department of Health and Human Services from Oct 1, 2021 through Oct 23, 2026. This market accounts for 0.90% of $150.2B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations moved from $35.6M in net obligations to $122.9M in net deobligations. 10 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY27 is year-to-date through Oct 23, 2026; earlier years show complete fiscal-year totals.

FY27 year-to-date: −$52K versus −$1.9M through the same date in FY26 (Not comparable).
Net obligations · complete fiscal yearNet obligations · FY27 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$1.4B676Complete
FY2023$25.9M600Complete
FY2024$45.5M614Complete
FY2025$36.7M584Complete
FY2026−$124.8M453Complete

Market at a glance

All reported prime contract awards
All-period net obligations
$1.3B
1,616 awards · 277 prime contractors
Latest 12-month movement
Not comparable
−$122.9M vs. $35.6M
Leading eight prime share
74.0%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.90% of $150.2B in agency-wide net obligations.
Set-aside share when reported
7.9% of 675 awards with reported set-aside status.
Set-aside reporting
53 set aside · 622 no set-aside · 941 not reported

What changed in the last 12 months?

Oct 24, 2025–Oct 23, 2026, compared with Oct 24, 2024–Oct 23, 2025.

Competitive shifts

LABORATORY CORPORATION OF AMERICA gained the most market share
5.09%→21.64%+16.6 percentage points
The contractor now ranks #1 by positive obligations, based on 75 reported actions.
ARUP LABORATORIES INC climbed the most in the contractor rankings
#15→#5Up 10 places
The contractor accounts for 7.5% of positive obligations across 7 reported actions.
HELIX OPCO LLC recorded the largest net deobligation
$0→−$68.4M−$68.4M
The contractor now is unranked by positive obligations, based on 1 reported action.

Buyer demand

Reported obligations through NAVAJO AREA INDIAN HEALTH SVC increased
$4.0M→$10.1M+$6.1M
Latest-period activity spans 52 awards across 16 prime contractors.

Award activity

HELIX OPCO LLC recorded the largest deobligation action
−$68.4MMar 9, 2026 action
Reported under PIID 75D30122C13720 by CDC OFFICE OF ACQUISITION SERVICES. Award net obligations after the action: $13.5M.
View supporting award

Market structure

Top-five contractor share increased
46.50%→56.95%+10.4 percentage points
Contractors outside the top five now account for 43.0% of positive obligations.
View 2 additional material changes

Competitive shifts

MAYO COLLABORATIVE SERVICES, INC. lost the most market share
11.8%→7.0%−4.8 percentage points
The contractor now ranks #6 by positive obligations, based on 4 reported actions.

Buyer demand

Reported obligations through NATIONAL INSTITUTES OF HEALTH - CC decreased
$5.5M→$2.3M−$3.2M
Latest-period activity spans 17 awards across 13 prime contractors.
How these findings are calculated

Findings are selected from matched-period changes in obligations, share, rank, funding offices, concentration, reported set-asides, material award actions, and agency-peer outliers. Related signals are combined, and only material evidence-backed changes are shown. Review the full methodology.

Federal contract obligations by funding office

See how positive obligations were attributed across funding offices in the 12 months ending Oct 23, 2026.

29.1% of positive obligations were attributed to NAVAJO AREA INDIAN HEALTH SVC. That represents $10.1M, up $6.1M from the preceding 12 months.

Latest 12-month share of positive obligations; the gray segment represents all other reported offices.

  1. NAVAJO AREA INDIAN HEALTH SVC29.1% · $10.1M · up $6.1M
  2. PHOENIX AREA INDIAN HEALTH SVC18.3% · $6.3M · down $979K
  3. GREAT PLAINS AREA INDIAN HEALTH SVC14.2% · $4.9M · up $501K
  4. NATIONAL INSTITUTES OF HEALTH - CC6.7% · $2.3M · down $3.2M
  5. ADMIN FOR CHILDREN FAMILIES (ACF)5.4% · $1.9M · down $29K
  6. All other reported offices26.2% of positive obligations
View reported office rankings, comparisons, and evidence

USAspending assigns each award to a funding office. That office may differ from the requiring activity, program office, contracting office, individual buyer, or actual customer.

  1. Reported funding office

    NAVAJO AREA INDIAN HEALTH SVC

    #1Up 4 from #5

    Latest 12 months

    $10.1M

    29.1% of positive obligations

    Versus preceding 12 months

    +$6.1M

    16 active prime contractors · 52 awards

    View office comparison and evidence

    Reported obligations increased 151.5% from $4.0M to $10.1M. The office’s share of positive obligations moved from 9.0% to 29.1%, a change of +20.1 percentage points.

    The latest period contains 81 actions across 52 awards and 8 newly active prime contractors. The preceding period contained 12 active prime contractors and 70 awards.

    Leading award-level changes

  2. Reported funding office

    PHOENIX AREA INDIAN HEALTH SVC

    #2Down 1 from #1

    Latest 12 months

    $6.3M

    18.3% of positive obligations

    Versus preceding 12 months

    −$979K

    9 active prime contractors · 20 awards

    View office comparison and evidence

    Reported obligations decreased 13.4% from $7.3M to $6.3M. The office’s share of positive obligations moved from 16.4% to 18.3%, a change of +1.9 percentage points.

    The latest period contains 22 actions across 20 awards. The preceding period contained 10 active prime contractors and 40 awards.

  3. Reported funding office

    GREAT PLAINS AREA INDIAN HEALTH SVC

    #3Up 1 from #4

    Latest 12 months

    $4.9M

    14.2% of positive obligations

    Versus preceding 12 months

    +$501K

    6 active prime contractors · 55 awards

    View office comparison and evidence

    Reported obligations increased 11.3% from $4.4M to $4.9M. The office’s share of positive obligations moved from 9.9% to 14.2%, a change of +4.3 percentage points.

    The latest period contains 59 actions across 55 awards and 2 newly active prime contractors. The preceding period contained 4 active prime contractors and 57 awards.

  4. Reported funding office

    NATIONAL INSTITUTES OF HEALTH - CC

    #4Down 1 from #3

    Latest 12 months

    $2.3M

    6.7% of positive obligations

    Versus preceding 12 months

    −$3.2M

    13 active prime contractors · 17 awards

    View office comparison and evidence

    Reported obligations decreased 57.6% from $5.5M to $2.3M. The office’s share of positive obligations moved from 12.4% to 6.7%, a change of −5.6 percentage points.

    The latest period contains 20 actions across 17 awards and 4 newly active prime contractors. The preceding period contained 15 active prime contractors and 24 awards.

  5. Reported funding office

    ADMIN FOR CHILDREN FAMILIES (ACF)

    #5Up 5 from #10

    Latest 12 months

    $1.9M

    5.4% of positive obligations

    Versus preceding 12 months

    −$29K

    1 active prime contractor · 2 awards

    View office comparison and evidence

    Reported obligations decreased 1.5% from $1.9M to $1.9M. The office’s share of positive obligations moved from 4.3% to 5.4%, a change of +1.1 percentage points.

    The latest period contains 4 actions across 2 awards. The preceding period contained 1 active prime contractor and 1 award.

  6. Reported funding office

    BILLINGS AREA INDIAN HEALTH SVC

    #6Up 1 from #7

    Latest 12 months

    $1.5M

    4.2% of positive obligations

    Versus preceding 12 months

    −$1.1M

    4 active prime contractors · 22 awards

    View office comparison and evidence

    Reported obligations decreased 43.4% from $2.6M to $1.5M. The office’s share of positive obligations moved from 5.8% to 4.2%, a change of −1.6 percentage points.

    The latest period contains 25 actions across 22 awards and 1 newly active prime contractor. The preceding period contained 3 active prime contractors and 34 awards.

  7. Reported funding office

    INDIAN HEALTH SERVICE (75H711)

    #7Up 1 from #8

    Latest 12 months

    $1.4M

    4.2% of positive obligations

    Versus preceding 12 months

    −$650K

    7 active prime contractors · 36 awards

    View office comparison and evidence

    Reported obligations decreased 31.0% from $2.1M to $1.4M. The office’s share of positive obligations moved from 4.7% to 4.2%, a change of −0.5 percentage points.

    The latest period contains 37 actions across 36 awards and 2 newly active prime contractors. The preceding period contained 6 active prime contractors and 18 awards.

  8. Reported funding office

    NATIONAL INSTITUTES OF HEALTH OLAO

    #8New to the positive-obligation ranking

    Latest 12 months

    $1.3M

    3.9% of positive obligations

    Versus preceding 12 months

    +$1.3M

    4 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations moved from $11K in net deobligations to $1.3M in net obligations. The office’s share of positive obligations moved from 0% to 3.9%, a change of +3.9 percentage points.

    The latest period contains 4 actions across 4 awards and 4 newly active prime contractors. The preceding period contained 2 active prime contractors and 2 awards.

  9. Reported funding office

    NIH NCI

    #9Up 3 from #12

    Latest 12 months

    $1.1M

    3.1% of positive obligations

    Versus preceding 12 months

    +$30K

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations increased 2.9% from $1.0M to $1.1M. The office’s share of positive obligations moved from 2.3% to 3.1%, a change of +0.8 percentage points.

    The latest period contains 2 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 3 active prime contractors and 4 awards.

  10. Reported funding office

    INDIAN HEALTH SERVICE (75H713)

    #10Down 1 from #9

    Latest 12 months

    $896K

    2.6% of positive obligations

    Versus preceding 12 months

    −$1.1M

    3 active prime contractors · 28 awards

    View office comparison and evidence

    Reported obligations decreased 54.6% from $2.0M to $896K. The office’s share of positive obligations moved from 4.4% to 2.6%, a change of −1.9 percentage points.

    The latest period contains 29 actions across 28 awards and 2 newly active prime contractors. The preceding period contained 2 active prime contractors and 16 awards.

  11. Reported funding office

    NATIONAL INSTITUTES OF HEALTH NIDA

    #23Down 12 from #11

    Latest 12 months

    $21K

    0.060% of positive obligations

    Versus preceding 12 months

    −$1.4M

    16 active prime contractors · 24 awards

    View office comparison and evidence

    Reported obligations decreased 98.5% from $1.4M to $21K. The office’s share of positive obligations moved from 3.1% to 0.060%, a change of −3.1 percentage points.

    The latest period contains 25 actions across 24 awards and 11 newly active prime contractors. The preceding period contained 11 active prime contractors and 13 awards.

  12. Reported funding office

    BARDA - ASPR / DAAPPO / BARDA DCMA

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    +$1.4M

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations moved from $1.4M in net deobligations to $0 in net obligations. The office’s share of positive obligations moved from 0% to 0%, a change of 0.0 percentage points.

    The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 1 award.

  13. Reported funding office

    FDA OFFICE OF ACQ GRANT SVCS

    No positive-obligation rank

    Latest 12 months

    −$275K

    0% of positive obligations

    Versus preceding 12 months

    −$3.5M

    5 active prime contractors · 11 awards

    View office comparison and evidence

    Reported obligations moved from $3.2M in net obligations to $275K in net deobligations. The office’s share of positive obligations moved from 7.3% to 0%, a change of −7.3 percentage points.

    The latest period contains 11 actions across 11 awards and 1 newly active prime contractor. The preceding period contained 9 active prime contractors and 18 awards.

  14. Reported funding office

    PROGRAM SUPPORT CENTER ACQ MGMT SVC

    No positive-obligation rank

    Latest 12 months

    −$1.3M

    0% of positive obligations

    Versus preceding 12 months

    +$5.9M

    2 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations narrowed from $7.2M to $1.3M in net deobligations. The office’s share of positive obligations moved from 0% to 0%, a change of 0.0 percentage points.

    The latest period contains 4 actions across 4 awards and 1 newly active prime contractor. The preceding period contained 1 active prime contractor and 4 awards.

  15. Reported funding office

    CDC OFFICE OF ACQUISITION SERVICES

    No positive-obligation rank

    Latest 12 months

    −$155.9M

    0% of positive obligations

    Versus preceding 12 months

    −$162.4M

    23 active prime contractors · 40 awards

    View office comparison and evidence

    Reported obligations moved from $6.5M in net obligations to $155.9M in net deobligations. The office’s share of positive obligations moved from 14.7% to 0%, a change of −14.7 percentage points.

    The latest period contains 62 actions across 40 awards and 4 newly active prime contractors. The preceding period contained 27 active prime contractors and 44 awards.

    Leading award-level changes

Contract types, competition, and procurement methods

From Oct 24, 2025 through Oct 23, 2026, 187 awards had positive obligations totaling $59.3M. Negotiated Proposal/Quote was the leading reported procedure, accounting for 34.7% of positive obligations. Awards with a reported parent IDV accounted for 76.9%. Reported awards used contract vehicles such as 621II and Schedule 621 II.

Leading award type
67.1%
Delivery Order
Leading reported procedure
34.7%
Negotiated Proposal/Quote
Reported parent IDV
76.9%
of positive obligations had a reported parent IDV
Median reported offers
1
80 of 187 awards reported offers

Observed contract vehicles

Only exact reported parent-PIID matches are shown; missing parent IDs are not inferred.

  • 621II

    $1.0M

    1.7% of positive obligations · 7 matched awards

  • Schedule 621 II

    $13K

    0.020% of positive obligations · 1 matched award

Buying method changes

Compared with Oct 24, 2024–Oct 23, 2025. Based on 187 current awards and 241 preceding awards with positive net obligations.

Delivery-order obligation share
67.1%
Up from 48.1% in the preceding period
Reported full-and-open obligation share
56.5%
Down from 71.3% in the preceding period
Median positive award obligations
$120K
Up from $75K in the preceding period
How to read these changes

Directional color and the Up or Down labels show historical movement only. Green does not mean favorable and red does not mean unfavorable; neither predicts a future procurement method.

Same-NAICS comparison

Compared with the NAICS 621511 peer median, parent-IDV obligation share is 1.4 percentage points lower, reported full-and-open obligation share is 22.7 percentage points higher, delivery-order obligation share is 30.6 percentage points higher, and median positive award obligations are 153.5% higher.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share76.9%78.4%-1.4 pts
Reported full-and-open obligation share56.5%33.8%+22.7 pts
Delivery-order obligation share67.1%36.5%+30.6 pts
Median positive award obligations$120K$47K+153.5%
Peer cohort and comparison limits

The peer median gives each of the 4 eligible agency markets equal weight. The included agency markets are:

Agency mission, scale, and acquisition context can differ. Peer position does not establish market attractiveness or predict a future procurement method.

View buying-method details and data coverage

Award types

Reported valueAwardsPositive obligationsShare
Delivery Order(C)112$39.8M67.1%
Definitive Contract(D)8$9.3M15.7%
BPA Call(A)15$5.8M9.8%
Purchase Order(B)52$4.4M7.4%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)103$38.6M65.1%
BPA(E)15$5.8M9.8%
FSS(C)9$1.2M2.0%
Not reported60$13.7M23.1%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)108$31.3M52.8%
Multiple Award(M)19$14.3M24.1%
Not reported60$13.7M23.1%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Negotiated Proposal/Quote(NP)71$20.6M34.7%
Subject to Multiple Award Fair Opportunity(MAFO)18$14.7M24.8%
Np(NEGOTIATED PROPOSAL/QUOTE)18$5.8M9.8%
Mafo(SUBJECT TO MULTIPLE AWARD FAIR OPPORTUNITY)15$5.4M9.1%
Simplified Acquisition(SP1)30$4.2M7.1%
Only One Source(SSS)10$3.0M5.0%
Other reported values25$5.6M9.4%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)88$33.5M56.5%
A(FULL AND OPEN COMPETITION)32$11.2M18.9%
Not Available for Competition(B)1$2.8M4.7%
Competed Under SAP(F)20$2.8M4.7%
B(NOT AVAILABLE FOR COMPETITION)1$2.6M4.5%
F(COMPETED UNDER SAP)10$2.0M3.5%
Other reported values35$4.4M7.3%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)31$19.9M33.6%
Only One Source - Other(ONE)1$131K0.22%
Other Statutory Authority(OSA)1$30K0.050%
Not reported154$39.2M66.1%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)7$6.1M10.4%
SAP Non-Competition (FAR 13)(SP2)16$1.5M2.5%
Only One Source-Other (FAR 6.302-1 Other)(ONE)12$351K0.59%
Not reported152$51.3M86.6%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)128$39.7M66.9%
J(FIRM FIXED PRICE)58$16.8M28.4%
Cost Plus Fixed Fee(U)1$2.8M4.7%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Reference Laboratory Testing(Q301)146$50.1M84.4%
Support- Professional: Other(R499)3$4.3M7.2%
Medical- Pathology(Q515)9$1.8M3.0%
Drugs and Biologicals(6505)2$1.1M1.9%
Laboratory Equipment and Supplies(6640)5$1.1M1.8%
Medical- Other(Q999)2$531K0.89%
Other reported values20$461K0.78%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Indian Health Service(7527)127$29.3M49.4%
Centers for Disease Control and Prevention(7523)24$19.5M32.8%
National Institutes of Health(7529)31$6.8M11.4%
Office of the Assistant Secretary for Financial Resources(7571)2$3.1M5.3%
Office of the Assistant Secretary for Administration(7570)1$453K0.76%
Health Resources and Services Administration(7526)1$144K0.24%
Other reported values1$21K0.036%

Awarding offices

Reported valueAwardsPositive obligationsShare
Cdc Office of Acquisition Services(75D301)24$19.5M32.8%
Navajo Area Indian Health Svc(75H710)39$10.9M18.4%
Phoenix Area Indian Health Svc(75H712)20$6.3M10.7%
Great Plains Area Indian Health Svc(75H706)34$5.3M9.0%
National Institutes of Health - Cc(75N900)7$3.6M6.1%
Omas Strategic Buying Center - Hhs Mission(7571MN)2$3.1M5.3%
Other reported values61$10.5M17.8%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
75H71021D00005(7527)18$7.8M13.1%
75H70623D00014(7527)32$5.3M8.9%
75D30124D20079(7523)2$4.5M7.6%
75H71225A00024(7527)6$3.6M6.0%
75D30124D20071(7523)3$3.5M5.9%
75N90022D00004(7529)2$3.3M5.5%
75D30124D20078(7523)2$2.9M4.9%
75H70923D00016(7527)8$2.5M4.1%
Other reported values54$12.4M20.9%
Not reported60$13.7M23.1%

Exact vehicle-match evidence

Reported award data linked 8 awards to a specific catalog vehicle.

Offers, award size, and timing

Median reported offers
1 median
80 reported · 107 not reported
Positive award obligations
$120K median
$40K–$298K middle 50%
Reported performance period
364 days (~12 months) median
187 reported · 0 not reported

Calculations group latest-period actions by award, retain awards with positive net obligations for share denominators, and use each award's latest reported USAspending procurement fields as of Oct 23, 2026. Blank competition, pricing, PSC, or parent-IDV values remain not reported; they are not inferred. Offer counts must be positive and below the FPDS 999 placeholder. Awarding organizations can differ from the funding agency that defines this page.

Top federal contractors

Latest 12-month market share, concentration, and complete prime contractor rankings across the period shown.

Prime contractor concentration
10 of 60prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
21.6%of positive obligations in the last 12 months
Leading four prime contractors
49.5%of positive obligations in the last 12 months
Leading eight prime contractors
74.0%of positive obligations in the last 12 months

Based on $46.8M in positive obligations during the 12 months ending Oct 23, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Oct 24, 2024–Oct 23, 2025.

Last 12mo obligation volume: Highest positive obligations first; net deobligations follow by magnitude; contractors with no activity in the last 12 months follow by all-period obligations. Ranks use the complete contractor list and remain fixed when search narrows the results.

15 leading contractors
  1. #1

    Last 12mo obligations

    $10.1M

    21.6%

    Dollar movement

    +$7.9M

    vs. prior 12 months

    Last 12mo awards

    56 awards

    75 actions

    Historical and award details for LABORATORY CORPORATION OF AMERICA
    Obligations: prior → latest
    $2.3M → $10.1M
    +345.6%
    Share: prior → latest
    5.1% → 21.6%
    +16.6 percentage points
    All-period obligations
    $34.6M
    2.5% of all-period positive obligations · 181 awards
    Recorded activity
    Since Oct 28, 2021
    through Sep 23, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside21
    Not reported5482
    Reported small business00
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $5.0M

    10.6%

    Dollar movement

    +$226K

    vs. prior 12 months

    Last 12mo awards

    49 awards

    53 actions

    Historical and award details for NORTHERN PLAINS LABORATORY LLC
    Obligations: prior → latest
    $4.7M → $5.0M
    +4.8%
    Share: prior → latest
    10.6% → 10.6%
    0.0 percentage points
    All-period obligations
    $20.4M
    1.5% of all-period positive obligations · 371 awards
    Recorded activity
    Since Oct 14, 2021
    through Sep 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside13
    Not reported4852
    Reported small business10
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $4.5M

    9.7%

    Dollar movement

    +$2.8M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    4 actions

    Historical and award details for GINKGO BIOWORKS, INC.
    Obligations: prior → latest
    $1.7M → $4.5M
    +162.6%
    Share: prior → latest
    3.9% → 9.7%
    +5.8 percentage points
    All-period obligations
    $8.3M
    0.61% of all-period positive obligations · 5 awards
    Recorded activity
    Since Apr 24, 2023
    through Sep 9, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported22
    Reported small business00
    All-period set-aside types

    None reported.

  4. #4

    Last 12mo obligations

    $3.6M

    7.6%

    Dollar movement

    −$1.8M

    vs. prior 12 months

    Last 12mo awards

    6 awards

    6 actions

    Historical and award details for SONORA QUEST LABORATORIES LLC
    Obligations: prior → latest
    $5.3M → $3.6M
    −33.1%
    Share: prior → latest
    11.9% → 7.6%
    −4.3 percentage points
    All-period obligations
    $16.1M
    1.2% of all-period positive obligations · 71 awards
    Recorded activity
    Since Feb 1, 2022
    through Sep 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported624
    Reported small business00
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $3.5M

    7.5%

    Dollar movement

    +$2.7M

    vs. prior 12 months

    Last 12mo awards

    3 awards

    7 actions

    Historical and award details for ARUP LABORATORIES INC
    Obligations: prior → latest
    $753K → $3.5M
    +363.6%
    Share: prior → latest
    1.7% → 7.5%
    +5.8 percentage points
    All-period obligations
    $5.0M
    0.37% of all-period positive obligations · 6 awards
    Recorded activity
    Since Oct 17, 2021
    through Sep 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported33
    Reported small business00
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $3.3M

    7.0%

    Dollar movement

    −$2.0M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    4 actions

    Historical and award details for MAYO COLLABORATIVE SERVICES, INC.
    Obligations: prior → latest
    $5.3M → $3.3M
    −38.1%
    Share: prior → latest
    11.8% → 7.0%
    −4.8 percentage points
    All-period obligations
    $25.9M
    1.9% of all-period positive obligations · 21 awards
    Recorded activity
    Since Jan 31, 2022
    through Jun 8, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside01
    Not reported25
    Reported small business00
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $2.8M

    6.0%

    Dollar movement

    +$75K

    vs. prior 12 months

    Last 12mo awards

    1 award

    2 actions

    Historical and award details for CHEROKEE NATION OPERATIONAL SOLUTIONS, L.L.C.
    Obligations: prior → latest
    $2.7M → $2.8M
    +2.8%
    Share: prior → latest
    6.1% → 6.0%
    −0.1 percentage points
    All-period obligations
    $10.7M
    0.79% of all-period positive obligations · 1 award
    Recorded activity
    Since Sep 26, 2023
    through Jun 29, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported00
    Reported small business11
    All-period set-aside types
    • 1 · 8(a) sole source
  8. #8

    Last 12mo obligations

    $1.9M

    4.1%

    Dollar movement

    +$2.2M

    vs. prior 12 months

    Last 12mo awards

    11 awards

    12 actions

    Historical and award details for DIAGNOSTIC LABORATORY OF OKLAHOMA LLC
    Obligations: prior → latest
    −$277K → $1.9M
    Not comparable
    Share: prior → latest
    0% → 4.1%
    +4.1 percentage points
    All-period obligations
    $2.7M
    0.20% of all-period positive obligations · 20 awards
    Recorded activity
    Since May 20, 2024
    through Jul 30, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported100
    Reported small business00
    All-period set-aside types

    None reported.

  9. #9

    Last 12mo obligations

    $1.9M

    4.0%

    Dollar movement

    −$29K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    4 actions

    Historical and award details for DEPLOYED RESOURCES LLC
    Obligations: prior → latest
    $1.9M → $1.9M
    −1.5%
    Share: prior → latest
    4.3% → 4.0%
    −0.3 percentage points
    All-period obligations
    $3.8M
    0.28% of all-period positive obligations · 2 awards
    Recorded activity
    Since Aug 15, 2025
    through Sep 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside21
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $1.8M

    3.8%

    Dollar movement

    +$54K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for PRAIRIE BAND HEALTH SERVICES INC
    Obligations: prior → latest
    $1.7M → $1.8M
    +3.2%
    Share: prior → latest
    3.8% → 3.8%
    −0.1 percentage points
    All-period obligations
    $3.5M
    0.25% of all-period positive obligations · 1 award
    Recorded activity
    Since Sep 22, 2025
    through Jun 9, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported00
    Reported small business11
    All-period set-aside types
    • 1 · Indian small business
  11. #11

    Last 12mo obligations

    $1.4M

    3.1%

    Dollar movement

    +$42K

    vs. prior 12 months

    Last 12mo awards

    1 award

    2 actions

    Historical and award details for NAVITAS CLINICAL RESEARCH INC
    Obligations: prior → latest
    $1.4M → $1.4M
    +3.0%
    Share: prior → latest
    3.1% → 3.1%
    −0.1 percentage points
    All-period obligations
    $4.2M
    0.31% of all-period positive obligations · 1 award
    Recorded activity
    Since Sep 5, 2024
    through Jun 12, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $1.0M

    2.2%

    Dollar movement

    $0

    no change vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for GENSCRIPT USA INC
    Obligations: prior → latest
    $1.0M → $1.0M
    +0.0%
    Share: prior → latest
    2.3% → 2.2%
    −0.1 percentage points
    All-period obligations
    $5.1M
    0.38% of all-period positive obligations · 2 awards
    Recorded activity
    Since Mar 4, 2022
    through Sep 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $707K

    1.5%

    Dollar movement

    +$33K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    5 actions

    Historical and award details for REGENTS OF THE UNIVERSITY OF MINNESOTA
    Obligations: prior → latest
    $674K → $707K
    +4.9%
    Share: prior → latest
    1.5% → 1.5%
    0.0 percentage points
    All-period obligations
    $2.1M
    0.16% of all-period positive obligations · 28 awards
    Recorded activity
    Since Nov 4, 2021
    through Oct 13, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported32
    Reported small business00
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $705K

    1.5%

    Dollar movement

    −$334K

    vs. prior 12 months

    Last 12mo awards

    1 award

    9 actions

    Historical and award details for CEPHEID
    Obligations: prior → latest
    $1.0M → $705K
    −32.2%
    Share: prior → latest
    2.3% → 1.5%
    −0.8 percentage points
    All-period obligations
    $3.9M
    0.29% of all-period positive obligations · 5 awards
    Recorded activity
    Since Jan 11, 2022
    through Sep 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside12
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  15. #15

    Last 12mo obligations

    $573K

    1.2%

    Dollar movement

    +$24K

    vs. prior 12 months

    Last 12mo awards

    7 awards

    7 actions

    Historical and award details for NATIONAL MEDICAL SERVICES, INC.
    Obligations: prior → latest
    $549K → $573K
    +4.3%
    Share: prior → latest
    1.2% → 1.2%
    0.0 percentage points
    All-period obligations
    $2.5M
    0.18% of all-period positive obligations · 18 awards
    Recorded activity
    Since Mar 4, 2022
    through Jun 9, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported71
    Reported small business00
    All-period set-aside types

    None reported.

Recent federal contract award activity

Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.

Deobligation

This action

−$68.4M

HELIX OPCO LLC

CDC OFFICE OF ACQUISITION SERVICES

EOI::IMPLEMENTING THE PRESIDENT'S DOGE COST EFFICIENCY INITIATIVE::EOI TERMINATION FOR CONVENIENCE AGREEMENT

Why it stands out

This award recorded a material contraction.

The action removed $68.4M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$13.5M
Share of 12-month positive obligations
146.2%
Supporting data
Prime contractor
0% share
$68.4M net decline; action accounted for 100.0%
Funding office
0% attributed share
−14.7 percentage points · $162.4M net decline; action accounted for 42.1%
Related:Largest net deobligationLargest deobligation action
PIID 75D30122C13720 · Mod P00005
Deobligation

This action

−$59.4M

LABORATORY CORPORATION OF AMERICA

CDC OFFICE OF ACQUISITION SERVICES

EOI::IMPLEMENTING THE PRESIDENT'S DOGE COST EFFICIENCY INITIATIVE::EOI NOTICE OF TERMINATION FOR CONVENIENCE

Why it stands out

This award recorded a material contraction.

The action removed $59.4M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$32.3M
Share of 12-month positive obligations
127.0%
Supporting data
Prime contractor
0% share
−2.5 percentage points · $57.3M net decline; action exceeded it by $2.1M
PIID 75D30122C13696 · Mod P00005
Deobligation

This action

−$47.3M

QUEST DIAGNOSTICS INCORPORATED

CDC OFFICE OF ACQUISITION SERVICES

EOI::IMPLEMENTING THE PRESIDENT'S DOGE COST EFFICIENCY INITIATIVE::EOI TERMINATION FOR CONVENIENCE AGREEMENT

Why it stands out

This award recorded a material contraction.

The action removed $47.3M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$27.1M
Share of 12-month positive obligations
101.0%
Supporting data
Prime contractor
0% share
$39.0M net decline; action exceeded it by $8.2M
PIID 75D30122C13699 · Mod P00005
Base award

This action

+$3.2M

GINKGO BIOWORKS, INC.

CDC OFFICE OF ACQUISITION SERVICES

METAGENOMIC NEXT-GENERATION SEQUENCING (MNGS)

Why it stands out

The contractor climbed 6 positions in this market.

It now ranks #3 by positive obligations over the latest 12 months.

Award net obligations
$3.2M
Share of 12-month positive obligations
6.8%
Supporting data
Prime contractor
#3 · 9.7% share
up 6 ranks · +5.8 percentage points · $2.8M net increase; action exceeded it by $400K
Funding office
0% attributed share
$162.4M net decline despite this positive action
PIID 75D30126F00004
Base award

This action

+$2.9M

ARUP LABORATORIES INC

CDC OFFICE OF ACQUISITION SERVICES

METAGENOMIC NEXT-GENERATION SEQUENCING (MNGS)

Why it stands out

The contractor climbed 10 positions in this market.

It now ranks #5 by positive obligations over the latest 12 months.

Award net obligations
$2.9M
Share of 12-month positive obligations
6.3%
Supporting data
Prime contractor
#5 · 7.5% share
up 10 ranks · +5.8 percentage points · $2.7M net increase; action exceeded it by $205K
Funding office
0% attributed share
$162.4M net decline despite this positive action
Related:Largest rank gain
PIID 75D30126F00005
Modification

This action

+$2.8M

CHEROKEE NATION OPERATIONAL SOLUTIONS, L.L.C.

CDC OFFICE OF ACQUISITION SERVICES

CANDIDATE VACCINE VIRUSES DEVELOPMENT

Why it stands out

This award grew while spending attributed to its office declined.

The modification added $2.8M while office-attributed obligations fell $162.4M overall.

Award net obligations
$10.7M
Share of 12-month positive obligations
6.0%
Supporting data
Funding office
0% attributed share
$162.4M net decline despite this positive action
PIID 75D30123C17958 · Mod P00005
View recent award activity by date (10)
  1. AMERICAN PROFICIENCY INSTITUTE INCDeobligation · PIID 75H70523C00003
    Action−$11K
    Award net obligations$84K
  2. REGENTS OF THE UNIVERSITY OF MINNESOTADeobligation · PIID 75D30124F00004
    Action−$17K
    Award net obligations$0
  3. RWD CONSULTING LLCDeobligation · PIID 75D30122C13450
    Action−$24K
    Award net obligations$388K
  4. QUEST DIAGNOSTICS INCORPORATEDBase award · PIID 75R60126F35006
    Action+$144K
    Award net obligations$144K
  5. THE UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT TYLERModification · PIID 75N90024P00303
    Action+$370
    Award net obligations$15K
  6. THE JOHNS HOPKINS UNIVERSITYBase award · PIID 75N98026P01476
    Action+$34K
    Award net obligations$34K
  7. GENSCRIPT USA INCModification · PIID 75N91024P00630
    Action+$1.0M
    Award net obligations$3.1M
  8. HISTOSERV, INCBase award · PIID 75N98026P01870
    Action+$120K
    Award net obligations$120K
  9. LABORATORY CORPORATION OF AMERICAModification · PIID 75H71025F26054
    Action+$100K
    Award net obligations$1.3M
  10. HARBOR HOSPITAL, INC.Deobligation · PIID 75N95019C00001
    Action−$420K
    Award net obligations$605K

HHS medical laboratories market FAQs

Answers based on reported federal contract data.

Who are the top HHS medical laboratories contractors?

In the 12 months through October 23, 2026, LABORATORY CORPORATION OF AMERICA, NORTHERN PLAINS LABORATORY LLC, and GINKGO BIOWORKS, INC. were the leading HHS medical laboratories prime contractors by positive obligations.

  1. #1

    LABORATORY CORPORATION OF AMERICA

    $10,127,321 in positive obligations

  2. #2

    NORTHERN PLAINS LABORATORY LLC

    $4,954,389 in positive obligations

  3. #3

    GINKGO BIOWORKS, INC.

    $4,522,128 in positive obligations

Rankings use reported USAspending award data.

How did HHS net obligations change in the medical laboratories market?

HHS net prime contract obligations for medical laboratories under NAICS 621511 changed from $35,572,792 in the preceding 12 months to -$122,918,772 in the 12 months through October 23, 2026. A percentage change is not stated because the preceding value was not positive or the latest value was negative.

Latest 12 months
-$122,918,772
Net prime contract obligations
Preceding 12 months
$35,572,792
Net prime contract obligations
Change
Not comparable
No percentage reported

Reported contract actions, not outlays or a forecast.

What recent HHS contract award activity was reported in the medical laboratories market?

Recent HHS contract award activity reported in the medical laboratories market included actions for HELIX OPCO LLC, LABORATORY CORPORATION OF AMERICA, and QUEST DIAGNOSTICS INCORPORATED during the 12 months through October 23, 2026.

Action obligations are transaction-level amounts, not current award-level obligations.

Which procurement methods were reported for HHS contracts under NAICS 621511?

From October 24, 2025 through October 23, 2026, HHS reported 187 positive-obligation awards for medical laboratories under NAICS 621511. The leading award type was delivery order. The leading reported procedure was negotiated proposal/quote.

Positive-obligation awards
187
Leading reported procedure
Negotiated Proposal/Quote
34.7% of positive obligations
Leading award type
Delivery Order
67.1% of positive obligations
Full and open
56.5%
of positive obligations
Reported parent IDV
76.9%
of positive obligations
Observed vehicles
621II and Schedule 621 II
Exact matches from reported parent PIIDs

Percentages use positive obligations as the denominator.

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Related market research

Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Markets sharing leading prime records:

Leading-prime vehicle memberships:

Company memberships do not establish award-channel use.

Reported obligations include contract actions from October 1, 2021 through October 23, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology