Top 100 Contractors in PSC B504: Chemical/Biological Studies and Analysis, FY2024

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Ginkgo Bioworks Holdings Inc. 2 awardees, including Ginkgo Bioworks, Inc. Top agencies HHS (Department of Health and Human Services)	$26,746,521	30.8%	Rank history: not on the FY2021 list, #1 in FY2022, #1 in FY2023 and not on the FY2025 list; unchanged since FY2023.
2	Semanticbits LLC Through ICF Incorporated, L.L.C. Top agencies EPA (Environmental Protection Agency) CPSC (Consumer Product Safety Commission)	$6,502,452	7.5%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2025; new.
3	MRIGLOBAL Top agencies DOD (Department of Defense)	$5,575,175	6.4%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2023 and #2 in FY2025; up 1 since FY2023.
4	Qualis, LLC Top agencies Army (Department of the Army)	$4,325,303	5.0%	Rank history: #86 in FY2021, #6 in FY2022, #6 in FY2023 and #8 in FY2025; up 2 since FY2023.
5	Techlaw Consultants Inc. Top agencies EPA (Environmental Protection Agency)	$4,055,951	4.7%	Rank history: #32 in FY2021, #14 in FY2022, not on the FY2023 list and #4 in FY2025; returned.
6	Merrick & Company Top agencies DHS (Department of Homeland Security)	$4,006,112	4.6%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2025; new.
7	Signature Science, LLC Top agencies DHS (Department of Homeland Security)	$3,155,960	3.6%	Rank history: not on the FY2021–FY2023 lists and #5 in FY2025; new.
8	Serco Inc Top agencies EPA (Environmental Protection Agency)	$3,032,448	3.5%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2023 and #7 in FY2025; up 1 since FY2023.
9	Absg Consulting Inc. Top agencies DHS (Department of Homeland Security)	$2,712,773	3.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
10	President and Fellows of Harvard College Top agencies HHS (Department of Health and Human Services)	$2,525,907	2.9%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
11	Bryce Space and Technology, LLC Top agencies Army (Department of the Army)	$2,002,277	2.3%	Rank history: not on the FY2021 list, #17 in FY2022, #10 in FY2023 and #6 in FY2025; down 1 since FY2023.
12	Emerald Innovations, Inc. Top agencies HHS (Department of Health and Human Services)	$1,956,704	2.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
13	ICF International, Inc. Through ICF Incorporated, L.L.C. Top agencies EPA (Environmental Protection Agency)	$1,309,789	1.5%	Rank history: #3 in FY2021, #4 in FY2022, #3 in FY2023 and not on the FY2025 list; down 10 since FY2023.
14	HKS Inc. Top agencies HHS (Department of Health and Human Services)	$1,254,904	1.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
15	University of Exeter Top agencies HHS (Department of Health and Human Services)	$1,144,689	1.3%	Rank history: not on the FY2021 list, #31 in FY2022, #45 in FY2023 and not on the FY2025 list; up 30 since FY2023.
16	Techlaw, Inc. Through Techlaw Consultants Inc. Top agencies EPA (Environmental Protection Agency)	$1,120,175	1.3%	Rank history: #4 in FY2021, #3 in FY2022, #5 in FY2023 and not on the FY2025 list; down 11 since FY2023.
17	Aptargroup Inc. Top agencies HHS (Department of Health and Human Services)	$1,106,732	1.3%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
18	RTI Laboratories Inc. Top agencies DOI (Department of the Interior)	$898,650	1.0%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2023 and not on the FY2025 list; down 10 since FY2023.
19	Brice Integrated LLC Top agencies DOI (Department of the Interior)	$789,336	0.9%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2023 and not on the FY2025 list; down 7 since FY2023.
20	American College of Emergency Physicians Top agencies HHS (Department of Health and Human Services)	$762,969	0.9%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2023 and not on the FY2025 list; up 4 since FY2023.
21	Environmental Assessment Services, LLC Top agencies Army (Department of the Army)	$741,463	0.9%	Rank history: not on the FY2021–FY2023 lists and #10 in FY2025; new.
22	BSA Environmental Services Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$578,452	0.7%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2025; new.
23	Regents of the University of Michigan Top agencies HHS (Department of Health and Human Services)	$576,965	0.7%	Rank history: not on the FY2021–FY2022 lists, #13 in FY2023 and #11 in FY2025; down 10 since FY2023.
24	Eurofins Lancaster Laboratories Environment Testing, LLC Top agencies Army (Department of the Army)	$504,518	0.6%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2025; new.
25	University of Connecticut Top agencies HHS (Department of Health and Human Services)	$408,593	0.5%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2025; new.
26	Just-Evotec Biologics Inc. Through Cyprotex US LLC Top agencies EPA (Environmental Protection Agency)	$405,780	0.5%	Rank history: not on the FY2021 list, #28 in FY2022, #48 in FY2023 and not on the FY2025 list; up 22 since FY2023.
27	Virginia Commonwealth University Top agencies HHS (Department of Health and Human Services)	$323,437	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
28	Christie Bryant Inc Through Bryant Christie Inc. Top agencies USDA (Department of Agriculture)	$298,392	0.3%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
29	Akina Inc. Top agencies HHS (Department of Health and Human Services)	$272,094	0.3%	Rank history: not on the FY2021–FY2022 lists, #19 in FY2023 and not on the FY2025 list; down 10 since FY2023.
30	Alchem Laboratories Corporation Top agencies HHS (Department of Health and Human Services)	$254,859	0.3%	Rank history: #14 in FY2021, #20 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
31	Eurofins Environment Testing Northeast, LLC Top agencies Army (Department of the Army)	$249,925	0.3%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2023 and #21 in FY2025; up 6 since FY2023.
32	Chemogenics Biopharma, LLC Top agencies HHS (Department of Health and Human Services)	$240,000	0.3%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and #27 in FY2025; up 62 since FY2023.
33	Battelle Memorial Institute Top agencies HHS (Department of Health and Human Services)	$236,753	0.3%	Rank history: #15 in FY2021, not on the FY2022 list, #26 in FY2023 and #13 in FY2025; down 7 since FY2023.
34	Idera Inc. Through Precise Software Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$236,138	0.3%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023 and not on the FY2025 list; down 12 since FY2023.
35	The Boeing Company Top agencies Navy (Department of the Navy)	$227,330	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
36	Agilent Technologies, Inc. Top agencies EPA (Environmental Protection Agency)	$204,770	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
37	The Marine Biological Laboratory Top agencies Smithsonian (Smithsonian Institution)	$197,584	0.2%	Rank history: not on the FY2021–FY2022 lists, #43 in FY2023 and #22 in FY2025; up 6 since FY2023.
38	Agriculture and Priority Pollutants Laboratories, LLC Top agencies Army (Department of the Army)	$183,600	0.2%	Rank history: not on the FY2021 list, #35 in FY2022, #41 in FY2023 and not on the FY2025 list; up 3 since FY2023.
39	Eurofins Scientific SE 2 awardees, including Eurofins Environment Testing Southeast, LLC Top agencies USAF (Department of the Air Force)	$151,504	0.2%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and not on the FY2025 list; down 12 since FY2023.
40	System Biosciences, LLC Top agencies HHS (Department of Health and Human Services)	$150,000	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
41	The Texas A&M University System 2 awardees, including Texas A&M Agrilife Research and Texas A & M University Top agencies DOI (Department of the Interior)	$144,646	0.2%	Rank history: #26 in FY2021, #32 in FY2022, #51 in FY2023 and not on the FY2025 list; up 10 since FY2023.
42	Azenta US Inc. Top agencies HHS (Department of Health and Human Services) Commerce (Department of Commerce)	$140,841	0.2%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2025; new.
43	The Johns Hopkins University Top agencies HHS (Department of Health and Human Services)	$137,958	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
44	MTM Environmental, LLC Top agencies DOI (Department of the Interior)	$122,728	0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and not on the FY2025 list; up 8 since FY2023.
45	Neogen Corp Top agencies USDA (Department of Agriculture)	$116,852	0.1%	Rank history: not on the FY2021 list, #42 in FY2022, #59 in FY2023 and #34 in FY2025; up 14 since FY2023.
46	University of Houston System Top agencies Navy (Department of the Navy)	$111,439	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
47	Feamax LLC Top agencies Treasury (Department of the Treasury)	$106,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
48	Idexx Laboratories Inc. 2 awardees, including Idexx Distribution, Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$103,616	0.1%	Rank history: #36 in FY2021, #36 in FY2022, #50 in FY2023 and #25 in FY2025; up 2 since FY2023.
49	Aptagen LLC Top agencies HHS (Department of Health and Human Services)	$100,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
50	Olink Proteomics Inc. Top agencies HHS (Department of Health and Human Services)	$99,413	0.1%	Rank history: not on the FY2021 list, #30 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
51	In Silichrom Ltd Top agencies HHS (Department of Health and Human Services)	$92,638	0.1%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2025; new.
52	Insphero, Inc. Top agencies HHS (Department of Health and Human Services)	$90,414	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
53	Emory University Top agencies HHS (Department of Health and Human Services)	$85,020	0.1%	Rank history: #95 in FY2021, not on the FY2022–FY2023 lists and #19 in FY2025; returned.
54	The Leland Stanford Junior University Top agencies HHS (Department of Health and Human Services)	$82,799	0.1%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2023 and not on the FY2025 list; down 43 since FY2023.
55	Northwestern University Top agencies HHS (Department of Health and Human Services)	$77,778	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
56	T.M Poole & V.Z Radice Top agencies Smithsonian (Smithsonian Institution)	$75,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
57	American Type Culture Collection Top agencies HHS (Department of Health and Human Services)	$73,529	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
58	Western Kentucky University Top agencies DOI (Department of the Interior)	$72,201	0.1%	Rank history: #58 in FY2021, not on the FY2022 list, #72 in FY2023 and #50 in FY2025; up 14 since FY2023.
59	Cosmosid Inc Top agencies USDA (Department of Agriculture)	$66,600	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
60	ALS Group USA Corp. 2 awardees Top agencies DOI (Department of the Interior)	$64,716	0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2023 and not on the FY2025 list; up 15 since FY2023.
61	DR Reed & Associates, Inc. Top agencies Army (Department of the Army)	$61,488	0.1%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2023 and #51 in FY2025; down 47 since FY2023.
62	Wayne State University Top agencies DOI (Department of the Interior)	$57,499	0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and not on the FY2025 list; up 20 since FY2023.
63	Leticia Diaz Top agencies DOI (Department of the Interior)	$48,328	0.1%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2023 and #31 in FY2025; up 4 since FY2023.
64	Eurofins Discovery Services North America, LLC Top agencies HHS (Department of Health and Human Services)	$46,134	0.1%	Rank history: not on the FY2021 list, #46 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
65	University System of Maryland Through University of Maryland Center for Environmental Science Top agencies DOI (Department of the Interior)	$45,529	0.1%	Rank history: not on the FY2021 list, #73 in FY2022, #53 in FY2023 and not on the FY2025 list; down 12 since FY2023.
66	University of Oregon Top agencies DOI (Department of the Interior)	$44,899	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
67	Nanometrix Ltd Top agencies HHS (Department of Health and Human Services)	$42,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
68	Dalton Bioanalytics Inc. Top agencies USDA (Department of Agriculture)	$42,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
69	Duke University Top agencies DOI (Department of the Interior)	$39,507	<0.1%	Rank history: #89 in FY2021, #27 in FY2022, #71 in FY2023 and not on the FY2025 list; up 2 since FY2023.
70	Geosep Services, LLC Top agencies DOI (Department of the Interior)	$38,750	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
71	Charles River Laboratories International Inc. 2 awardees, including Charles River Laboratories, Inc. Top agencies HHS (Department of Health and Human Services)	$37,575	<0.1%	Rank history: #40 in FY2021, #66 in FY2022, #69 in FY2023 and #28 in FY2025; down 2 since FY2023.
72	University of Massachusetts Top agencies Commerce (Department of Commerce)	$36,327	<0.1%	Rank history: not on the FY2021–FY2023 lists and #41 in FY2025; new.
73	HK3 Lab S.R.L. Top agencies HHS (Department of Health and Human Services)	$31,000	<0.1%	Rank history: #62 in FY2021, #58 in FY2022, #80 in FY2023 and #54 in FY2025; up 7 since FY2023.
74	State of California Controllers Office Through University of California, Davis Top agencies Navy (Department of the Navy)	$30,380	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
75	Rescon Alaska, LLC Top agencies DOI (Department of the Interior)	$30,175	<0.1%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023 and not on the FY2025 list; down 45 since FY2023.
76	Tetra TECH Inc. Top agencies Army (Department of the Army)	$28,898	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
77	Aqua Survey, Inc. Top agencies DOI (Department of the Interior)	$28,200	<0.1%	Rank history: #9 in FY2021, #10 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
78	Novogene Corporation Inc Top agencies Commerce (Department of Commerce)	$28,100	<0.1%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2025; new.
79	Apconix Ltd Top agencies HHS (Department of Health and Human Services)	$26,085	<0.1%	Rank history: #68 in FY2021, #62 in FY2022, #90 in FY2023 and not on the FY2025 list; up 11 since FY2023.
80	Qiagen N.V. Through Qiagen Sciences LLC Top agencies HHS (Department of Health and Human Services)	$24,765	<0.1%	Rank history: #48 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
81	Pharmaron, Inc. Top agencies HHS (Department of Health and Human Services)	$24,320	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
82	PPD Development LP 2 awardees, including Life Technologies Corporation Top agencies USDA (Department of Agriculture)	$23,960	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
83	Ste&P Research LLC Top agencies HHS (Department of Health and Human Services)	$23,370	<0.1%	Rank history: not on the FY2021 list, #64 in FY2022, #83 in FY2023 and not on the FY2025 list; unchanged since FY2023.
84	Mayo Clinic 2 awardees, including Mayo Collaborative Services, Inc. Top agencies HHS (Department of Health and Human Services)	$22,660	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
85	Teledyne Instruments, Inc. Top agencies EPA (Environmental Protection Agency)	$22,450	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
86	University of New Mexico Top agencies Smithsonian (Smithsonian Institution)	$21,640	<0.1%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2025; new.
87	Bend Genetics LLC Top agencies DOI (Department of the Interior)	$20,917	<0.1%	Rank history: not on the FY2021 list, #77 in FY2022, #88 in FY2023 and #53 in FY2025; up 1 since FY2023.
88	Copperhead Environmental Consulting Inc. Top agencies USDA (Department of Agriculture)	$20,658	<0.1%	Rank history: #35 in FY2021, #45 in FY2022, not on the FY2023 list and not on the FY2025 list; up 33 since FY2023.
89	ITA International LLC Top agencies CPSC (Consumer Product Safety Commission)	$19,827	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 19 since FY2023.
90	Irepertoire Inc Top agencies HHS (Department of Health and Human Services)	$19,620	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
91	Eurofins EAG Materials Science LLC Top agencies Navy (Department of the Navy)	$16,190	<0.1%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2025; new.
92	Western Water Consultants Inc. Top agencies DOI (Department of the Interior)	$15,860	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
93	Cerilliant Corporation Through Bioreliance Corporation Top agencies HHS (Department of Health and Human Services)	$15,434	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
94	University of Arizona Top agencies DOI (Department of the Interior)	$15,400	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
95	Bioivt, LLC Top agencies HHS (Department of Health and Human Services)	$15,000	<0.1%	Rank history: not on the FY2021 list, #75 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
96	Pace Analytical Services LLC 2 awardees, including Alpha Analytical, Inc. Top agencies DOI (Department of the Interior)	$13,766	<0.1%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2025; new.
97	William Alexander Top agencies DOI (Department of the Interior)	$12,988	<0.1%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2025; new.
98	Isabella Garcia Top agencies DOI (Department of the Interior)	$12,482	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
99	Samantha Lei Top agencies DOI (Department of the Interior)	$12,482	<0.1%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2025; new.
100	University of Texas At Arlington Top agencies DOI (Department of the Interior)	$12,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.

How this ranking works

• Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
• Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $86.9 million obligated before deobligations, so they never pass 100%.
• Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
• Fiscal year 2024 ran Oct 1, 2023 – Sep 30, 2024. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
• Rank changes compare with FY2023. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
• Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2023 takes the color of the rank change beside it.
• Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers