Top 100 Contractors in NAICS 541380: Testing Laboratories and Services, FY2023

Name: Top 100 Contractors in NAICS 541380: Testing Laboratories and Services, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 36% of FY2023 NAICS 541380 contract dollars

Contract obligations: $619,991,018 Net of deobligations, by contracts coded NAICS 541380
Contractors: 1,197 Parent companies with an obligation
Largest contractor: Emory University $48.8 million, 7.4% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Emory University Top agencies HHS (Department of Health and Human Services)	$48,836,787	7.4%	Rank history: not on the FY2021 list, #17 in FY2022, #23 in FY2024 and #9 in FY2025; up 16 since FY2022.
2	Astrion Group, LLC Top agencies NASA (National Aeronautics and Space Administration)	$36,420,005	5.5%	Rank history: not on the FY2021 list, #44 in FY2022, #3 in FY2024 and #1 in FY2025; up 42 since FY2022.
3	Transportation Research Center Inc. Top agencies DOT (Department of Transportation)	$33,453,753	5.1%	Rank history: #4 in FY2021, #5 in FY2022, #5 in FY2024 and #4 in FY2025; up 2 since FY2022.
4	RTX Corporation 3 awardees, including Raytheon Company Top agencies USAF (Department of the Air Force)	$26,028,067	3.9%	Rank history: #3 in FY2021, #3 in FY2022, #6 in FY2024 and #6 in FY2025; down 1 since FY2022.
5	Ginkgo Bioworks Holdings Inc. Through Ginkgo Bioworks, Inc. Top agencies HHS (Department of Health and Human Services)	$19,825,272	3.0%	Rank history: not on the FY2021 list, #6 in FY2022, #1 in FY2024 and not on the FY2025 list; up 1 since FY2022.
6	The Bionetics Corporation 2 awardees Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$19,733,859	3.0%	Rank history: #2 in FY2021, #4 in FY2022, #8 in FY2024 and #5 in FY2025; down 2 since FY2022.
7	Biobot Analytics Inc Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$16,994,527	2.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
8	Baylor College of Medicine Top agencies HHS (Department of Health and Human Services)	$16,170,898	2.4%	Rank history: #12 in FY2021, #13 in FY2022, #9 in FY2024 and #16 in FY2025; up 5 since FY2022.
9	Gryphon Technologies, Inc. Through Gryphon Technologies, L.C. Top agencies USAF (Department of the Air Force)	$12,182,256	1.8%	Rank history: #8 in FY2021, #9 in FY2022, #11 in FY2024 and not on the FY2025 list; unchanged since FY2022.
10	State of California Controllers Office 12 awardees, including University of California, Davis, The Regents of the University of California. San Francisco and University of California, LOS Angeles Top agencies EPA (Environmental Protection Agency) DOI (Department of the Interior) HHS (Department of Health and Human Services)	$11,438,003	1.7%	Rank history: #16 in FY2021, #19 in FY2022, #18 in FY2024 and not on the FY2025 list; up 9 since FY2022.
11	Alphabet Inc. Through Verily Life Sciences LLC Top agencies HHS (Department of Health and Human Services)	$10,608,000	1.6%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2024 and not on the FY2025 list; new.
12	Virginia Commonwealth University 3 awardees, including Virginia Polytechnic Institute & State University Top agencies DOT (Department of Transportation)	$9,157,403	1.4%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2024 and #58 in FY2025; new.
13	Aptim Federal Services LLC 2 awardees Top agencies Navy (Department of the Navy) EPA (Environmental Protection Agency)	$9,098,935	1.4%	Rank history: #24 in FY2021, #40 in FY2022, #21 in FY2024 and not on the FY2025 list; up 27 since FY2022.
14	Amentum Services, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$8,710,833	1.3%	Rank history: #1 in FY2021, #2 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
15	PPI Technical Services LLC Top agencies USAF (Department of the Air Force)	$8,612,398	1.3%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and #76 in FY2025; new.
16	College of American Pathologists Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$8,482,979	1.3%	Rank history: #14 in FY2021, #18 in FY2022, #13 in FY2024 and not on the FY2025 list; up 2 since FY2022.
17	Mccrone Group, Inc. Through Mccrone Associates Inc. Top agencies USAF (Department of the Air Force)	$8,439,407	1.3%	Rank history: #13 in FY2021, #16 in FY2022, #10 in FY2024 and not on the FY2025 list; down 1 since FY2022.
18	Altus LLC Top agencies Army (Department of the Army)	$8,110,674	1.2%	Rank history: not on the FY2021 list, #24 in FY2022, #15 in FY2024 and #52 in FY2025; up 6 since FY2022.
19	Linde Special Projects LLC Top agencies USAF (Department of the Air Force)	$7,647,772	1.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #12 in FY2025; new.
20	Teledyne Technologies Incorporated Through Teledyne Brown Engineering, Inc. Top agencies USAF (Department of the Air Force)	$7,270,808	1.1%	Rank history: #18 in FY2021, #32 in FY2022, #25 in FY2024 and #18 in FY2025; up 12 since FY2022.
21	Dynamic Research Inc. Top agencies DOT (Department of Transportation)	$6,956,212	1.1%	Rank history: #50 in FY2021, #88 in FY2022 and not on the FY2024–FY2025 lists; up 67 since FY2022.
22	MRIGLOBAL Top agencies DOD (Department of Defense) DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$6,634,656	1.0%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2024 and #23 in FY2025; new.
23	Infinity Biologix LLC Top agencies VA (Department of Veterans Affairs)	$6,500,000	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
24	Akesogen, Inc. Top agencies VA (Department of Veterans Affairs)	$6,400,000	1.0%	Rank history: #10 in FY2021, #8 in FY2022, #37 in FY2024 and #32 in FY2025; down 16 since FY2022.
25	Afognak Native Corporation Through Alutiiq Essential Services LLC Top agencies NASA (National Aeronautics and Space Administration)	$5,940,331	0.9%	Rank history: #21 in FY2021, #27 in FY2022, #51 in FY2024 and not on the FY2025 list; up 2 since FY2022.
26	The Charles Stark Draper Laboratory, Inc. Top agencies USAF (Department of the Air Force)	$5,840,066	0.9%	Rank history: #19 in FY2021, #23 in FY2022, #27 in FY2024 and #22 in FY2025; down 3 since FY2022.
27	ICF International, Inc. Through ICF Incorporated, L.L.C. Top agencies EPA (Environmental Protection Agency)	$5,572,001	0.8%	Rank history: #28 in FY2021, #34 in FY2022, #85 in FY2024 and not on the FY2025 list; up 7 since FY2022.
28	The Translational Genomics Research Institute Top agencies USDA (Department of Agriculture)	$5,340,000	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 388 since FY2022.
29	Rector & Visitors of the University of Virginia Top agencies DOT (Department of Transportation) Navy (Department of the Navy) DOI (Department of the Interior)	$5,283,503	0.8%	Rank history: #95 in FY2021, #72 in FY2022 and not on the FY2024–FY2025 lists; up 43 since FY2022.
30	General Electric Company Through GE Energy Power Conversion Naval Systems Inc. Top agencies Navy (Department of the Navy)	$5,252,034	0.8%	Rank history: #17 in FY2021, #11 in FY2022, #47 in FY2024 and #37 in FY2025; down 19 since FY2022.
31	Techlaw, Inc. Through Techlaw Consultants Inc. Top agencies EPA (Environmental Protection Agency)	$4,868,375	0.7%	Rank history: #37 in FY2021, #28 in FY2022, #100 in FY2024 and not on the FY2025 list; down 3 since FY2022.
32	Merrick & Company Top agencies USDA (Department of Agriculture)	$4,763,682	0.7%	Rank history: #36 in FY2021, #35 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
33	South Carolina State of Through The Medical University of South Carolina Top agencies VA (Department of Veterans Affairs)	$4,611,021	0.7%	Rank history: #29 in FY2021, #37 in FY2022, #36 in FY2024 and not on the FY2025 list; up 4 since FY2022.
34	Regents of the University of Michigan Top agencies DOT (Department of Transportation) CPSC (Consumer Product Safety Commission) VA (Department of Veterans Affairs)	$4,585,380	0.7%	Rank history: #96 in FY2021, #29 in FY2022, #75 in FY2024 and #87 in FY2025; down 5 since FY2022.
35	Eastern Research Group Inc. Top agencies EPA (Environmental Protection Agency)	$4,397,029	0.7%	Rank history: #22 in FY2021, #41 in FY2022, #29 in FY2024 and #30 in FY2025; up 6 since FY2022.
36	Gryphon Technologies, L.C. Top agencies USAF (Department of the Air Force)	$4,375,627	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
37	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies USAF (Department of the Air Force)	$4,315,093	0.7%	Rank history: #26 in FY2021, #46 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
38	Consolidated Safety Services Incorporated Top agencies EPA (Environmental Protection Agency)	$4,221,835	0.6%	Rank history: #33 in FY2021, #45 in FY2022, #38 in FY2024 and #24 in FY2025; up 7 since FY2022.
39	Eurofins Scientific SE 17 awardees, including Eurofins Drinking Water and Wastewater West, LLC, Eurofins Lancaster Laboratories Environment Testing, LLC and Eurofins Eaton Analytical LLC Top agencies EPA (Environmental Protection Agency) DHA (Defense Health Agency) Navy (Department of the Navy)	$4,067,787	0.6%	Rank history: #72 in FY2021, #25 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
40	University of Washington 3 awardees, including University of Washington School of Medicine Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$3,949,784	0.6%	Rank history: #32 in FY2021, #21 in FY2022 and not on the FY2024–FY2025 lists; down 19 since FY2022.
41	The Broad Institute, Inc. 2 awardees, including Broad Clinical Laboratories, LLC Top agencies HHS (Department of Health and Human Services)	$3,778,534	0.6%	Rank history: #5 in FY2021, #15 in FY2022, #7 in FY2024 and #25 in FY2025; down 26 since FY2022.
42	Nevada State Veterans Home 2 awardees, including Nevada System of Higher Education and Board of Regents of Nevada System of Higher Education Top agencies Army (Department of the Army) DOI (Department of the Interior) DHS (Department of Homeland Security)	$3,531,610	0.5%	Rank history: #47 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 236 since FY2022.
43	RTI Laboratories Inc. Top agencies DOI (Department of the Interior) Navy (Department of the Navy) Army (Department of the Army)	$3,067,411	0.5%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2024 and #86 in FY2025; new.
44	Intertek Group PLC 5 awardees, including Intertek USA Inc., Professional Service Industries, Inc. and Intertek Testing Services NA, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) EPA (Environmental Protection Agency)	$2,894,534	0.4%	Rank history: #54 in FY2021, #60 in FY2022, #65 in FY2024 and not on the FY2025 list; up 16 since FY2022.
45	Compagnie Merieux Alliance 3 awardees, including Silliker, Inc., Advanced Bioscience Laboratories, Inc. and Biomerieux Inc. Top agencies USDA (Department of Agriculture) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$2,780,115	0.4%	Rank history: #56 in FY2021, #73 in FY2022, #58 in FY2024 and not on the FY2025 list; up 28 since FY2022.
46	Solutions Through Innovative Technologies Inc. Top agencies USAF (Department of the Air Force)	$2,695,475	0.4%	Rank history: not on the FY2021 list, #55 in FY2022, #33 in FY2024 and #46 in FY2025; up 9 since FY2022.
47	Serco Inc Top agencies EPA (Environmental Protection Agency)	$2,683,024	0.4%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2024 and #41 in FY2025; new.
48	Sports Medicine Research and Testing Laboratory Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$2,632,600	0.4%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2024 and #31 in FY2025; up 410 since FY2022.
49	Chemtech Consulting Group Inc. Top agencies EPA (Environmental Protection Agency)	$2,605,486	0.4%	Rank history: #55 in FY2021, #30 in FY2022 and not on the FY2024–FY2025 lists; down 19 since FY2022.
50	Applus Idiada Karco Engineering, LLC Top agencies DOT (Department of Transportation)	$2,514,082	0.4%	Rank history: #90 in FY2021, not on the FY2022 list, #56 in FY2024 and #50 in FY2025; up 111 since FY2022.
51	SGS SA 4 awardees, including SGS Canada Inc., SGS Axys Analytical Services Ltd. and SGS Guam Inc. Top agencies DOI (Department of the Interior) DHA (Defense Health Agency) DLA (Defense Logistics Agency)	$2,503,126	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
52	KFI Engineers, PC Top agencies GSA (General Services Administration)	$2,357,982	0.4%	Rank history: not on the FY2021 list, #69 in FY2022, #41 in FY2024 and not on the FY2025 list; up 17 since FY2022.
53	Jung Research and Development Corp Top agencies MDA (DOD Missile Defense Agency)	$2,284,335	0.3%	Rank history: not on the FY2021 list, #54 in FY2022, #49 in FY2024 and #61 in FY2025; up 1 since FY2022.
54	Institute for Environmental Health Inc. 2 awardees Top agencies USDA (Department of Agriculture) Army (Department of the Army)	$2,283,535	0.3%	Rank history: #83 in FY2021, not on the FY2022 list, #53 in FY2024 and not on the FY2025 list; up 66 since FY2022.
55	Babcock Laboratories, Inc. Top agencies EPA (Environmental Protection Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,120,915	0.3%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2024 and not on the FY2025 list; up 59 since FY2022.
56	Ardl Inc. Top agencies Army (Department of the Army) EPA (Environmental Protection Agency)	$2,087,111	0.3%	Rank history: not on the FY2021 list, #92 in FY2022, not on the FY2024 list and #66 in FY2025; up 36 since FY2022.
57	Bonner Analytical Testing Co Top agencies EPA (Environmental Protection Agency)	$2,053,287	0.3%	Rank history: not on the FY2021 list, #38 in FY2022, #43 in FY2024 and #20 in FY2025; down 19 since FY2022.
58	Kratos Defense & Security Solutions, Inc. Through Kratos Sre, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$2,049,091	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
59	Eagle Integrated Services, LLC Top agencies Navy (Department of the Navy)	$1,905,000	0.3%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and #56 in FY2025; new.
60	Asct Services Inc. Top agencies HHS (Department of Health and Human Services)	$1,894,921	0.3%	Rank history: #53 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
61	Tribologik Corp Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$1,877,070	0.3%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2024 and #60 in FY2025; new.
62	Acoustic Research Systems, Inc. Top agencies Navy (Department of the Navy)	$1,854,421	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 101 since FY2022.
63	Food Safety Net Services, Ltd. Top agencies USDA (Department of Agriculture)	$1,840,580	0.3%	Rank history: not on the FY2021 list, #57 in FY2022, #63 in FY2024 and not on the FY2025 list; down 6 since FY2022.
64	The Regents of the University of Colorado 2 awardees Top agencies Commerce (Department of Commerce) DOI (Department of the Interior)	$1,754,424	0.3%	Rank history: #84 in FY2021, #63 in FY2022, not on the FY2024 list and #44 in FY2025; down 1 since FY2022.
65	Highway Technology Partners LLC Top agencies DOT (Department of Transportation)	$1,732,375	0.3%	Rank history: #35 in FY2021, #59 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
66	Valogic Bio, LLC Top agencies HHS (Department of Health and Human Services)	$1,719,814	0.3%	Rank history: not on the FY2021 list, #82 in FY2022, #99 in FY2024 and #65 in FY2025; up 16 since FY2022.
67	Precision Bioservices Inc. Through Precision for Medicine, Inc. Top agencies HHS (Department of Health and Human Services)	$1,703,465	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	MGA Research Corporation 3 awardees Top agencies DOT (Department of Transportation)	$1,666,625	0.3%	Rank history: not on the FY2021 list, #76 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
69	Level 3 Associates, LLC Top agencies Army (Department of the Army)	$1,589,844	0.2%	Rank history: #40 in FY2021, #97 in FY2022 and not on the FY2024–FY2025 lists; up 28 since FY2022.
70	DNA Labs International Inc Top agencies DOJ (Department of Justice)	$1,545,733	0.2%	Rank history: not on the FY2021 list, #81 in FY2022, #64 in FY2024 and #67 in FY2025; up 11 since FY2022.
71	Thermo Electron Corporation 5 awardees, including Fisher Bioservices Inc., Thermo Electron North America LLC and Life Technologies Corporation Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) Navy (Department of the Navy)	$1,536,057	0.2%	Rank history: #62 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 30 since FY2022.
72	Eastex Environmental Laboratory Inc. Top agencies EPA (Environmental Protection Agency) DOI (Department of the Interior)	$1,529,654	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 61 since FY2022.
73	Nationwide Children'S Hospital Through Research Institute At Nationwide Children's Hospital Top agencies HHS (Department of Health and Human Services)	$1,484,030	0.2%	Rank history: #25 in FY2021, #39 in FY2022 and not on the FY2024–FY2025 lists; down 34 since FY2022.
74	Transnetyx, Inc. Top agencies HHS (Department of Health and Human Services)	$1,398,728	0.2%	Rank history: #42 in FY2021, #70 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
75	Integrum Scientific LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$1,385,307	0.2%	Rank history: #71 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 28 since FY2022.
76	Chugai Technos Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,339,607	0.2%	Rank history: not on the FY2021 list, #61 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
77	Stripes Global, Inc. Top agencies DHS (Department of Homeland Security)	$1,336,161	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Hamilton Associates Inc. Top agencies DOE (Department of Energy)	$1,320,012	0.2%	Rank history: #64 in FY2021, #77 in FY2022, #84 in FY2024 and not on the FY2025 list; down 1 since FY2022.
79	George Mason University Top agencies DOT (Department of Transportation)	$1,315,912	0.2%	Rank history: not on the FY2021 list, #83 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
80	Radiation Detection Technologies, Inc. Top agencies DMEA (Defense Microelectronics Activity)	$1,315,203	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
81	Kaiser Foundation Health Plan of Washington Through Kaiser Foundation Hospitals Top agencies HHS (Department of Health and Human Services)	$1,272,301	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	Bureau Veritas North America Inc Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) DHA (Defense Health Agency)	$1,248,163	0.2%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and #95 in FY2025; new.
83	Doc Development, Inc. Top agencies USAF (Department of the Air Force)	$1,230,643	0.2%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2024 and #82 in FY2025; up 23 since FY2022.
84	Qri-Tetra TECH JV Top agencies Army (Department of the Army)	$1,212,955	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
85	Weck Analytical Environmental Services, Inc. Top agencies EPA (Environmental Protection Agency) DOI (Department of the Interior) VA (Department of Veterans Affairs)	$1,194,645	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 34 since FY2022.
86	Sea Ltd Top agencies CPSC (Consumer Product Safety Commission) DOT (Department of Transportation)	$1,141,373	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 382 since FY2022.
87	Sure-Biochem Laboratories LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$1,114,187	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Macrogen, Inc. Through Psomagen Inc. Top agencies HHS (Department of Health and Human Services) Smithsonian (Smithsonian Institution)	$1,100,203	0.2%	Rank history: #99 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 17 since FY2022.
89	Firelake Construction Inc. Top agencies USDA (Department of Agriculture)	$1,090,274	0.2%	Rank history: not on the FY2021 list, #91 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
90	Wake Forest University Through Wake Forest University Health Sciences Top agencies DOT (Department of Transportation)	$1,073,594	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 103 since FY2022.
91	Aqua Survey, Inc. Top agencies Army (Department of the Army)	$1,072,740	0.2%	Rank history: #80 in FY2021, #58 in FY2022, #61 in FY2024 and #57 in FY2025; down 33 since FY2022.
92	Northern Geotechnical Engineering, Inc. Top agencies Army (Department of the Army)	$1,043,660	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Pi2E JV LLP Top agencies Navy (Department of the Navy)	$1,030,089	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 25 since FY2022.
94	Calspan Corporation Top agencies DOT (Department of Transportation)	$1,028,514	0.2%	Rank history: #81 in FY2021, #62 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
95	Northern Lake Service Inc. Top agencies EPA (Environmental Protection Agency) USDA (Department of Agriculture)	$1,025,506	0.2%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2024 and not on the FY2025 list; up 41 since FY2022.
96	Battelle Memorial Institute Top agencies Army (Department of the Army)	$1,023,871	0.2%	Rank history: #73 in FY2021, #74 in FY2022, #74 in FY2024 and #62 in FY2025; down 22 since FY2022.
97	Converge Federal Solutions JV, LLC Top agencies Army (Department of the Army)	$1,017,513	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #94 in FY2025; new.
98	J. Craig Venter Institute, Inc. Top agencies HHS (Department of Health and Human Services)	$976,408	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #88 in FY2025; new.
99	De La Fuente Construction, Inc. Top agencies Army (Department of the Army)	$949,332	0.1%	Rank history: #91 in FY2021, #96 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
100	Techfocus LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHA (Defense Health Agency)	$907,179	0.1%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2024 and #54 in FY2025; new.

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100 of 1,197 contractors listed here. See the rest on GovTribe.

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 $662 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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

Who were the top 10 NAICS 541380 contractors in FY2023?

1. Emory University ($48.8M), 2. Astrion Group, LLC ($36.4M), 3. Transportation Research Center Inc. ($33.5M), 4. RTX Corporation ($26M), 5. Ginkgo Bioworks Holdings Inc. ($19.8M), 6. The Bionetics Corporation ($19.7M), 7. Biobot Analytics Inc ($17M), 8. Baylor College of Medicine ($16.2M), 9. Gryphon Technologies, Inc. ($12.2M), 10. State of California Controllers Office ($11.4M).

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