Top 100 Contractors in PSC H3: Inspection Services, FY2023

Name: Top 100 Contractors in PSC H3: Inspection Services, FY2023
Creator: GovTribe

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

The top 10 won 40% of FY2023 PSC H3 contract dollars

Contract obligations: $155,912,987 Net of deobligations, by contracts coded PSC H3 or a code under it
Contractors: 842 Parent companies with an obligation
Largest contractor: Jll-Rer Solutions, LLC $31.3 million, 17.8% 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	Jll-Rer Solutions, LLC Top agencies Army (Department of the Army)	$31,309,315	17.8%	Rank history: not on the FY2021–FY2022 lists, #1 in FY2024 and not on the FY2025 list; new.
2	Procon Consulting LLC Top agencies DOI (Department of the Interior) NASA (National Aeronautics and Space Administration)	$6,719,856	3.8%	Rank history: #23 in FY2021, #5 in FY2022, #3 in FY2024 and #6 in FY2025; up 3 since FY2022.
3	Versar Inc. 2 awardees Top agencies Army (Department of the Army)	$5,591,628	3.2%	Rank history: #1 in FY2021, #2 in FY2022, #2 in FY2024 and not on the FY2025 list; down 1 since FY2022.
4	AECOM Through AECOM Technical Services, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$5,216,523	3.0%	Rank history: #3 in FY2021, #3 in FY2022, #19 in FY2024 and not on the FY2025 list; down 1 since FY2022.
5	Project Solutions, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$4,951,619	2.8%	Rank history: #9 in FY2021, #39 in FY2022, #7 in FY2024 and #4 in FY2025; up 34 since FY2022.
6	MYI Limited Top agencies EXIM (Export Import Bank of the US)	$4,000,000	2.3%	Rank history: #7 in FY2021, #4 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
7	Accura Engineering and Consulting Services, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$3,942,620	2.2%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2024 and #7 in FY2025; new.
8	Lockheed Martin Corporation 2 awardees Top agencies Navy (Department of the Navy)	$3,360,876	1.9%	Rank history: #17 in FY2021, #16 in FY2022, #4 in FY2024 and #1 in FY2025; up 8 since FY2022.
9	R. S. Means Company LLC 3 awardees, including The Gordian Group, Inc., Censis Technologies, Inc. and Industrial Scientific Corporation Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$2,339,480	1.3%	Rank history: #15 in FY2021, #19 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
10	Construction Support Solutions LLC Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior)	$2,312,505	1.3%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and #21 in FY2025; new.
11	Institute for Environmental Health Inc. Top agencies USDA (Department of Agriculture)	$2,242,940	1.3%	Rank history: #51 in FY2021, #47 in FY2022, #11 in FY2024 and not on the FY2025 list; up 36 since FY2022.
12	Compagnie Merieux Alliance 2 awardees, including Silliker, Inc. and Biomerieux Inc. Top agencies USDA (Department of Agriculture)	$1,973,187	1.1%	Rank history: not on the FY2021 list, #36 in FY2022, #13 in FY2024 and not on the FY2025 list; up 24 since FY2022.
13	Unified Business Technologies, Inc. Top agencies DOI (Department of the Interior)	$1,950,212	1.1%	Rank history: not on the FY2021 list, #18 in FY2022, #12 in FY2024 and #44 in FY2025; up 5 since FY2022.
14	JBW Group LLC Top agencies DLA (Defense Logistics Agency)	$1,918,689	1.1%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2024 and not on the FY2025 list; new.
15	Institute for Building Technology and Safety Top agencies DHS (Department of Homeland Security)	$1,873,802	1.1%	Rank history: #36 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
16	Food Safety Net Services, Ltd. Top agencies USDA (Department of Agriculture)	$1,840,580	1.0%	Rank history: #34 in FY2021, #14 in FY2022, #14 in FY2024 and #33 in FY2025; down 2 since FY2022.
17	Nakupuna Consulting LLC Top agencies DOD (Department of Defense)	$1,662,027	0.9%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2024 and #12 in FY2025; new.
18	Advanced Integrated Technologies, LLC Top agencies Navy (Department of the Navy)	$1,553,117	0.9%	Rank history: #25 in FY2021, #17 in FY2022, #15 in FY2024 and #11 in FY2025; down 1 since FY2022.
19	Mabbett & Associates, Inc. Top agencies GSA (General Services Administration)	$1,489,022	0.8%	Rank history: not on the FY2021 list, #38 in FY2022, #20 in FY2024 and #36 in FY2025; up 19 since FY2022.
20	Bering Straits Native Corporation Through Bering Straits Global Innovations, LLC Top agencies DOI (Department of the Interior)	$1,487,657	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
21	K. Parks Consulting, Inc. Top agencies HHS (Department of Health and Human Services)	$1,462,041	0.8%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and not on the FY2025 list; new.
22	Ecompex, Inc. Top agencies DHS (Department of Homeland Security)	$1,320,669	0.8%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2024 and #18 in FY2025; new.
23	JAY Shapiro & Associates Inc Top agencies DOI (Department of the Interior)	$1,294,400	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
24	SJ Construction Management Top agencies DOI (Department of the Interior)	$1,271,464	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	Jacobs Engineering Group Inc. Through Amentum Technology, Inc. Top agencies EPA (Environmental Protection Agency)	$1,244,825	0.7%	Rank history: #11 in FY2021, #22 in FY2022, #60 in FY2024 and not on the FY2025 list; down 3 since FY2022.
26	The Boeing Company Top agencies Navy (Department of the Navy)	$1,222,625	0.7%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #30 in FY2025; new.
27	Advenco LLC 2 awardees Top agencies DOI (Department of the Interior)	$1,154,045	0.7%	Rank history: not on the FY2021 list, #35 in FY2022, #32 in FY2024 and #25 in FY2025; up 8 since FY2022.
28	Sustainable Design Consortium, (Sdc) Inc. Top agencies DOT (Department of Transportation)	$1,140,000	0.6%	Rank history: not on the FY2021 list, #25 in FY2022, #25 in FY2024 and #45 in FY2025; down 3 since FY2022.
29	Apsi Construction Management Top agencies DOI (Department of the Interior)	$1,124,449	0.6%	Rank history: #13 in FY2021, #53 in FY2022, not on the FY2024 list and #58 in FY2025; up 24 since FY2022.
30	Esperanza International Services Southern Africa (PTY) Ltd Through Intertek Testing Services (South Africa) (Pty) Ltd Top agencies USAID (US Agency for International Development)	$1,050,000	0.6%	Rank history: #44 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
31	Northern Geotechnical Engineering, Inc. Top agencies Army (Department of the Army)	$1,043,660	0.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #52 in FY2025; new.
32	ACE Consulting Company, Inc. Top agencies DOI (Department of the Interior)	$944,663	0.5%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2024 and #15 in FY2025; up 123 since FY2022.
33	Anderson Engineering of Minnesota, LLC Top agencies VA (Department of Veterans Affairs)	$934,840	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Building Inspection Service, Inc. Top agencies DHS (Department of Homeland Security)	$923,098	0.5%	Rank history: #4 in FY2021, #9 in FY2022 and not on the FY2024–FY2025 lists; down 25 since FY2022.
35	PMA Associates, Inc. Top agencies HUD (Department of Housing and Urban Development)	$883,722	0.5%	Rank history: #24 in FY2021, #28 in FY2022, not on the FY2024 list and #24 in FY2025; down 7 since FY2022.
36	Optimum Low Voltage LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DOI (Department of the Interior)	$862,504	0.5%	Rank history: #27 in FY2021, #33 in FY2022, #41 in FY2024 and #72 in FY2025; down 3 since FY2022.
37	IBA Group Limited Top agencies EXIM (Export Import Bank of the US)	$800,000	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 124 since FY2022.
38	Cherokee Nation Aerospace and Defense, L.L.C. Top agencies Army (Department of the Army)	$797,787	0.5%	Rank history: #29 in FY2021, #23 in FY2022, #55 in FY2024 and not on the FY2025 list; down 15 since FY2022.
39	GFT Infrastructure, Inc. Top agencies DOI (Department of the Interior)	$784,401	0.4%	Rank history: not on the FY2021 list, #27 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
40	Johnson, Mirmiran & Thompson, Inc. Top agencies DOI (Department of the Interior)	$740,497	0.4%	Rank history: #5 in FY2021, #60 in FY2022 and not on the FY2024–FY2025 lists; up 20 since FY2022.
41	Crawford Consulting Services, Inc. Top agencies DHS (Department of Homeland Security)	$732,028	0.4%	Rank history: not on the FY2021–FY2022 lists, #6 in FY2024 and #3 in FY2025; up 212 since FY2022.
42	Sure Drain, LLC Top agencies USDA (Department of Agriculture)	$699,425	0.4%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2024 and #80 in FY2025; new.
43	Interspec, LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$687,597	0.4%	Rank history: #21 in FY2021, #31 in FY2022, #10 in FY2024 and #66 in FY2025; down 12 since FY2022.
44	Johnson Controls Fire Protection LP 2 awardees Top agencies VA (Department of Veterans Affairs) USDA (Department of Agriculture) DOI (Department of the Interior)	$680,451	0.4%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2024 and not on the FY2025 list; new.
45	HGS Engineering Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$666,525	0.4%	Rank history: not on the FY2021 list, #51 in FY2022, #54 in FY2024 and #47 in FY2025; up 6 since FY2022.
46	Goldenwolf - Crawford Consulting Services Joint Venture LLC Top agencies Army (Department of the Army)	$631,959	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
47	Citrine LLC Top agencies VA (Department of Veterans Affairs)	$627,655	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Amentum Technology, Inc. Top agencies EPA (Environmental Protection Agency)	$613,781	0.3%	Rank history: not on the FY2021 list, #91 in FY2022, #38 in FY2024 and not on the FY2025 list; up 43 since FY2022.
49	Skyquest Aviation LLC Top agencies USAF (Department of the Air Force)	$603,831	0.3%	Rank history: #37 in FY2021, #46 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
50	Macdonald-Bedford Mbp, A Joint Venture Top agencies USAF (Department of the Air Force)	$595,000	0.3%	Rank history: not on the FY2021 list, #45 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
51	Cinka Construction & Consulting Services LLC Top agencies DHS (Department of Homeland Security)	$580,364	0.3%	Rank history: not on the FY2021 list, #49 in FY2022, #51 in FY2024 and #39 in FY2025; down 2 since FY2022.
52	Veterans Fire and Life Safety Corporation Top agencies DOI (Department of the Interior) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$571,440	0.3%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2024 and #74 in FY2025; up 100 since FY2022.
53	William Henderson LLC Top agencies VA (Department of Veterans Affairs)	$558,279	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	Arcadis N.V. Through Arcadis Consulting (Uk) Limited Top agencies USAF (Department of the Air Force)	$548,214	0.3%	Rank history: not on the FY2021 list, #50 in FY2022, #66 in FY2024 and #97 in FY2025; down 4 since FY2022.
55	Atlantic First Industries Corporation Top agencies VA (Department of Veterans Affairs)	$545,924	0.3%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2024 and #55 in FY2025; up 80 since FY2022.
56	PAZ Oil Company Limited Top agencies DOS (Department of State)	$543,464	0.3%	Rank history: #58 in FY2021, #26 in FY2022, #72 in FY2024 and #68 in FY2025; down 30 since FY2022.
57	Greenefficient Inc. Top agencies VA (Department of Veterans Affairs)	$509,864	0.3%	Rank history: #42 in FY2021, #54 in FY2022, #58 in FY2024 and #94 in FY2025; down 3 since FY2022.
58	Carcongroup Engineering PSC Top agencies DHS (Department of Homeland Security)	$492,788	0.3%	Rank history: #45 in FY2021, #8 in FY2022, #42 in FY2024 and #23 in FY2025; down 50 since FY2022.
59	Govsmart, Inc. Top agencies Army (Department of the Army)	$484,225	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	Johnson Controls Security Solutions LLC 4 awardees, including Johnson Controls Fire Protection LP and Johnson Controls Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOJ (Department of Justice)	$482,929	0.3%	Rank history: #33 in FY2021, #44 in FY2022 and not on the FY2024–FY2025 lists; down 16 since FY2022.
61	H3D Inc. Top agencies DOJ (Department of Justice)	$482,400	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	Triad Logistics Services Corporation Top agencies USAF (Department of the Air Force)	$472,367	0.3%	Rank history: #41 in FY2021, #48 in FY2022, #77 in FY2024 and not on the FY2025 list; down 14 since FY2022.
63	Sori E&C Co.,Ltd Top agencies USAF (Department of the Air Force)	$464,311	0.3%	Rank history: not on the FY2021 list, #55 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
64	JHC Fire Containment Solutions Inc. Top agencies VA (Department of Veterans Affairs)	$454,097	0.3%	Rank history: not on the FY2021 list, #79 in FY2022 and not on the FY2024–FY2025 lists; up 15 since FY2022.
65	Alpha Construction and Engineering Corporation Top agencies DOI (Department of the Interior)	$449,724	0.3%	Rank history: #12 in FY2021, #97 in FY2022, not on the FY2024 list and #9 in FY2025; up 32 since FY2022.
66	Sentinel Services, LLC Top agencies VA (Department of Veterans Affairs)	$448,195	0.3%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2024 and #56 in FY2025; new.
67	All Native Synergies Company Top agencies DOS (Department of State)	$443,657	0.3%	Rank history: #65 in FY2021, #61 in FY2022, #64 in FY2024 and not on the FY2025 list; down 6 since FY2022.
68	Hurtvet Subcontracting, Inc. Top agencies VA (Department of Veterans Affairs)	$436,155	0.2%	Rank history: #18 in FY2021, #11 in FY2022 and not on the FY2024–FY2025 lists; down 57 since FY2022.
69	Talon Veteran Services Incorporated Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) USAF (Department of the Air Force)	$432,864	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 110 since FY2022.
70	Scdatacom LLC Top agencies VA (Department of Veterans Affairs)	$421,807	0.2%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2024 and #46 in FY2025; new.
71	AFG Group Inc. Top agencies DOI (Department of the Interior)	$416,895	0.2%	Rank history: #10 in FY2021, #7 in FY2022, #29 in FY2024 and #37 in FY2025; down 64 since FY2022.
72	All-Tech Fuel Systems LLC Top agencies VA (Department of Veterans Affairs)	$414,074	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Media Plumbing & Heating Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) Army (Department of the Army)	$411,893	0.2%	Rank history: #43 in FY2021, #68 in FY2022, #79 in FY2024 and #82 in FY2025; down 5 since FY2022.
74	Civil Design & Engineering Inc. Top agencies DHS (Department of Homeland Security)	$407,130	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
75	Consorzio S&T Services & Technologies Group Top agencies Army (Department of the Army)	$404,263	0.2%	Rank history: #49 in FY2021, #62 in FY2022, #71 in FY2024 and #57 in FY2025; down 13 since FY2022.
76	Agilent Technologies, Inc. Top agencies DOT (Department of Transportation) DOI (Department of the Interior)	$403,184	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 153 since FY2022.
77	Rd3, Inc. Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs)	$395,162	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 134 since FY2022.
78	American Bureau of Shipping Top agencies Commerce (Department of Commerce) Army (Department of the Army)	$389,135	0.2%	Rank history: #26 in FY2021, #52 in FY2022, #31 in FY2024 and #26 in FY2025; down 26 since FY2022.
79	The Maclean Group LLC Top agencies VA (Department of Veterans Affairs)	$383,834	0.2%	Rank history: not on the FY2021 list, #69 in FY2022, #73 in FY2024 and #59 in FY2025; down 10 since FY2022.
80	Neucomm Solutions, LLC Top agencies DOE (Department of Energy)	$375,208	0.2%	Rank history: not on the FY2021 list, #89 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
81	Blue TECH Inc. Top agencies DOS (Department of State)	$375,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	Reliant Elevator Inspections & Consulting, Inc. Top agencies DOT (Department of Transportation)	$367,856	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 290 since FY2022.
83	Jinny Telecom Sal Top agencies DOS (Department of State)	$357,425	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 70 since FY2022.
84	The Pennsylvania State University Top agencies Navy (Department of the Navy)	$350,000	0.2%	Rank history: not on the FY2021 list, #63 in FY2022 and not on the FY2024–FY2025 lists; down 21 since FY2022.
85	Sentinel Alarm Systems LLC Top agencies Army (Department of the Army)	$344,512	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 95 since FY2022.
86	Georgia State of Through State of Georgia Department of Revenue Top agencies HHS (Department of Health and Human Services)	$343,439	0.2%	Rank history: not on the FY2021 list, #37 in FY2022 and not on the FY2024–FY2025 lists; down 49 since FY2022.
87	Electrical PM Inc. Top agencies VA (Department of Veterans Affairs)	$334,236	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Securityhunter, Inc. Top agencies SSA (Social Security Administration)	$330,164	0.2%	Rank history: #61 in FY2021, #77 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
89	Sonol Israel Ltd. Top agencies DOS (Department of State)	$322,510	0.2%	Rank history: not on the FY2021 list, #64 in FY2022 and not on the FY2024–FY2025 lists; down 25 since FY2022.
90	Caldaia Controls LLC Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior)	$318,592	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Siemens Aktiengesellschaft 2 awardees, including Siemens Industry Inc. and Siemens Canada Limited Top agencies VA (Department of Veterans Affairs) DOS (Department of State) DOI (Department of the Interior)	$314,981	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 155 since FY2022.
92	Team, Inc. Through Team Industrial Services, Inc. Top agencies Army (Department of the Army)	$310,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	TAI Pedro & Associates, P.C. Top agencies HHS (Department of Health and Human Services)	$306,700	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Triangle Fire Protection Inc. Top agencies Army (Department of the Army)	$302,130	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #98 in FY2025; up 32 since FY2022.
95	Healthwest LLC Top agencies DHA (Defense Health Agency)	$294,535	0.2%	Rank history: #92 in FY2021, #86 in FY2022, #93 in FY2024 and #79 in FY2025; down 9 since FY2022.
96	Countertrade Products, Inc. Top agencies DOS (Department of State)	$292,807	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Ibex It Business Experts LLC Top agencies HHS (Department of Health and Human Services)	$284,487	0.2%	Rank history: #60 in FY2021, #84 in FY2022, #90 in FY2024 and not on the FY2025 list; down 13 since FY2022.
98	Jensen Hughes, Inc. Through Jensen Hughes Korea Co., Ltd. Top agencies Army (Department of the Army)	$280,634	0.2%	Rank history: not on the FY2021 list, #82 in FY2022, #81 in FY2024 and not on the FY2025 list; down 16 since FY2022.
99	Kone Inc. 2 awardees, including Kone Kenya Limited Top agencies DOI (Department of the Interior) DOS (Department of State) DOJ (Department of Justice)	$280,607	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 120 since FY2022.
100	Sanford Federal, Inc. Top agencies DOI (Department of the Interior) DOS (Department of State) VA (Department of Veterans Affairs)	$260,764	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 842 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC H3

Code	Net obligations	Largest contractor
H399 Inspection and Laboratory Services (except medical/dental): Miscellaneous	$36,892,194	Jll-Rer Solutions, LLC
H356 Inspection and Laboratory Services (except medical/dental): Construction and Building Materials	$30,468,419	Project Solutions, Inc.
H312 Inspection and Laboratory Services (except medical/dental): Fire Control Equipment	$8,003,979	Cherokee Nation Aerospace and Defense, L.L.C.
H370 Inspection and Laboratory Services (except medical/dental): Automatic Data Processing Equipment (Including Firmware), Software, Supplies and Support Equipment	$4,927,756	R. S. Means Company LLC
H342 Inspection and Laboratory Services (except medical/dental): Fire Fighting, Rescue, and Safety Equipment; and Environmental Protection Equipment and Materials	$3,972,495	Scdatacom LLC
H363 Inspection and Laboratory Services (except medical/dental): Alarm, Signal, and Security Detection Systems	$3,915,701	Johnson Controls Security Solutions LLC
H346 Inspection and Laboratory Services (except medical/dental): Water Purification and Sewage Treatment Equipment	$2,675,505	Cinka Construction & Consulting Services LLC
H365 Inspection and Laboratory Services (except medical/dental): Medical, Dental, and Veterinary Equipment and Supplies	$2,474,061	R. S. Means Company LLC
H349 Inspection and Laboratory Services (except medical/dental): Maintenance and Repair Shop Equipment	$1,862,282	Jinny Telecom Sal
H359 Inspection and Laboratory Services (except medical/dental): Electrical and Electronic Equipment Components	$1,555,573	Electrical PM Inc.
H345 Inspection and Laboratory Services (except medical/dental): Plumbing, Heating, and Waste Disposal Equipment	$1,220,904	Sure Drain, LLC
H366 Inspection and Laboratory Services (except medical/dental): Instruments and Laboratory Equipment	$877,797	Agilent Technologies, Inc.

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 $176 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 PSC H3 contractors in FY2023?

1. Jll-Rer Solutions, LLC ($31.3M), 2. Procon Consulting LLC ($6.72M), 3. Versar Inc. ($5.59M), 4. AECOM ($5.22M), 5. Project Solutions, Inc. ($4.95M), 6. MYI Limited ($4M), 7. Accura Engineering and Consulting Services, Inc. ($3.94M), 8. Lockheed Martin Corporation ($3.36M), 9. R. S. Means Company LLC ($2.34M), 10. Construction Support Solutions LLC ($2.31M).

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