Chemical and Biological Studies and Analysis Government Contracts

PSC B504 Chemical/Biological Studies and Analysis Service code

Code facts

Spend category
Professional Services Management Advisory Services
Contract obligations
$59,789,484 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
2 24 notices posted in the last 90 days
Contract awards
74 In the last 12 months
Obligated
$53,136,419 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of Agriculture $23,494,079
2 Environmental Protection Agency $14,156,407
3 Department of Health and Human Services $5,732,269
4 Department of Homeland Security $3,306,565
5 Department of the Army Department of Defense $2,949,600
6 Department of Defense $2,208,598
7 Department of the Interior $800,101
8 Department of Commerce $659,536
9 Consumer Product Safety Commission $235,723
10 Department of the Navy Department of Defense $231,187

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Merrick & Company $25,070,798
2 ICF Incorporated, L.L.C. $5,750,779
3 Techlaw Consultants Inc. $5,628,680
4 Serco Inc. $2,780,697
5 Mriglobal $2,207,198
6 President And Fellows Of Harvard College $2,180,177
7 Environmental Assessment Services, LLC $1,369,295
8 Aptargroup Inc. $1,175,000
9 Battelle Memorial Institute $994,252
10 Bryce Space And Technology, LLC $840,620

See the full FY2025 ranking of PSC B504 contractors, by parent company.

Open contract opportunities

Notice Posted Due
Sample Analysis -Maurepas cyanotoxin analysis Solicitation
DNA Sequencing Service Pre-Solicitation · Office of Logisitics and Acquisition Operations (NIH)

Recent contract awards

Award Awarded Obligated
Wheat RNA-SEQ library sequencing 127EAV26P0035 · Michigan State University · Forest Service $22,771
Transcriptomics sequencing 127EAU26P0052 · USA Government Contracting LLC · Forest Service $19,950
Edna quantitative metabarcoding services for the national marine fisheries service (NMFS) southwest fisheries science… 1305M326F0262 · Ocean Associates Inc. · National Oceanic and Atmospheric Administration $47,093
Whole genome sequencing services for the national marine fisheries service (NMFS) southwest fisheries science center… 1305M326P0416 · Seqmatic, LLC · National Oceanic and Atmospheric Administration $71,498
Proteomic analysis of sugar beet required by commodity utilization research unit at srrc. 123A9426P0034 · Cornell University · Office of Administrative Services Procurement Management Branch (FSIS) $27,011
Simplified acquisition - purchase of a retail market evaluation and gasoline sales report 68HE0M26P0097 · Transportation Energy Institute · National Vehicle and Fuel Emissions Laboratory (OTAQ) $50,000
Metabolomic analysis of 58 human plasma samples at baseline and 90 days to identify 1,000 to 2,500 metabolites, perform… 12444726P0013 · Metabolon, Inc. · Forest Service $23,142
This firm fixed price purchase order is awarded for niehs-wide product-use and ingredient exposure platform research to… 75N98026P01707 · Clearya Inc. · Office of Logisitics and Acquisition Operations (NIH) $195,000
VA-FWS ecological SER-fish tissue sample lab analysis for catalog #5020175 140FS326F0222 · Pace Analytical Services, LLC · Fish and Wildlife Service $16,720
The USDA-ARS HOP breeding program seeks to genotype 3,840 samples from the last four years of HOP breeding effort to… 12363N26P4029 · Diversity Arrays Technology PTY LIMITED · Forest Service $55,400

Latest 10 of 74 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $331,269
FY2026 $53,762,007
FY2025 $59,789,484
FY2024 $82,495,303
FY2023 $87,201,974
Rank NAICS code Obligated, FY2026–FY2027 Share
1 541380 Testing Laboratories and Services $43,480,899
2 541714 Research and Development in Biotechnology (except Nanobiotechnology) $4,219,054
3 541620 Environmental Consulting Services $2,293,316
4 541690 Other Scientific and Technical Consulting Services $2,159,912
5 325412 Pharmaceutical Preparation Manufacturing $1,010,270
6 541611 Administrative Management and General Management Consulting Services $894,369
7 541990 All Other Professional, Scientific, and Technical Services $477,935
8 513210 Software Publishers $195,000
9 611310 Colleges, Universities, and Professional Schools $104,879
10 541511 Custom Computer Programming Services $46,589

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Kansas $23,434,791
2 Virginia $5,504,179
3 Illinois $3,038,762
4 Massachusetts $3,006,151
5 New York $2,852,390
6 Colorado $2,800,090
7 Washington $2,003,188
8 California $1,254,752
9 New Jersey $1,205,706
10 Ohio $1,166,596
11 Texas $1,162,799
12 Georgia $1,034,389
13 Oregon $951,272
14 Maryland $917,080
15 Florida $615,439
16 North Carolina $463,463
17 Mississippi $426,935
18 Michigan $293,213
19 Indiana $283,778
20 Missouri $217,774
21 Pennsylvania $181,123
22 Alaska $98,450
23 Kentucky $66,515
24 District of Columbia $49,819
25 New Mexico $37,862
26 Iowa $33,764
27 Maine $24,918
28 Minnesota $16,720
29 Oklahoma $10,396
30 Nevada $1,881
Show all 30

Shares are of everything obligated under PSC B504 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC B504?

PSC B504 is Chemical/Biological Studies and Analysis, a service code in PSC B, Special Studies/Analysis, Not R&D.

How many government contracts for chemical and biological studies and analysis are there?

2 contract opportunities under PSC B504 are open now, and 24 notices were posted in the last 90 days. Federal agencies awarded 74 contracts under PSC B504 in the last 12 months, obligating $53,136,419.

How much do federal agencies spend under PSC B504?

Federal contracts under PSC B504 obligated $59,789,484 in fiscal year 2025 and $283,580,038 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC B504?

The contractors with the most obligated under PSC B504 in fiscal years 2026 and 2027 are Merrick & Company ($25,070,798); ICF Incorporated, L.L.C. ($5,750,779); and Techlaw Consultants Inc. ($5,628,680).

Which agencies buy the most under PSC B504?

The agencies that obligated the most under PSC B504 in fiscal years 2026 and 2027 are Department of Agriculture ($23,494,079), Environmental Protection Agency ($14,156,407) and Department of Health and Human Services ($5,732,269).

Which NAICS codes are used with PSC B504?

The NAICS codes with the most obligated under PSC B504 in fiscal years 2026 and 2027 are 541380 Testing Laboratories and Services, 541714 Research and Development in Biotechnology (except Nanobiotechnology) and 541620 Environmental Consulting Services.

Where is the work under PSC B504 performed?

By place of performance, the states with the most contract obligations under PSC B504 over the last 12 months are Kansas ($23,434,791), Virginia ($5,504,179) and Illinois ($3,038,762).

What is the latest open contract opportunity under PSC B504?

The latest open contract opportunity under PSC B504 is Sample Analysis -Maurepas cyanotoxin analysis, solicitation, posted November 5, 2026.

On GovTribe

See everything under PSC B504

  • Federal contract opportunities, awards and IDVs under this code
  • Funding analysis by contractor, agency and set-aside
  • Contacts who buy under this code
  • Ask GovTribe AI about this code
Try for free Login