Top 100 Contractors in PSC S216: Facilities Operations Support Services, Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC S216: Facilities Operations Support Services, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 51% of PSC S216 contract dollars from July 2025 through June 2026

Contract obligations: $3,046,399,688 Net of deobligations, by contracts coded PSC S216
Contractors: 616 Parent companies with an obligation
Largest contractor: Amentum Holdings, Inc. $432 million, 13.5% of obligations
Data as of: Oct 16, 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	Amentum Holdings, Inc. 12 awardees, including Dzsp 21 LLC, Amentum Services, Inc. and PAE Government Services, Inc. Top agencies Navy (Department of the Navy) DOS (Department of State) NASA (National Aeronautics and Space Administration)	$431,572,794	13.5%	Rank history: not on the FY2021–FY2023 lists, #9 in FY2024 and #1 in FY2025; unchanged since Jul 2024–Jun 2025.
2	V2X, Inc. Through V2X Systems LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$215,454,325	6.7%	Rank history: not on the FY2021–FY2023 lists, #11 in FY2024 and #4 in FY2025; up 3 since Jul 2024–Jun 2025.
3	Arctic Slope Regional Corporation 5 awardees, including Asrc Federal Gulf State Constructors LLC, Asrc Communications, Ltd. and Arctec Alaska JV Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$183,031,203	5.7%	Rank history: #6 in FY2021, #7 in FY2022, #5 in FY2023, #3 in FY2024 and #3 in FY2025; unchanged since Jul 2024–Jun 2025.
4	KBR Wyle Services LLC Through KBR Services, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) MDA (DOD Missile Defense Agency)	$164,322,318	5.1%	Rank history: not on the FY2021–FY2023 lists, #2 in FY2024 and #5 in FY2025; down 2 since Jul 2024–Jun 2025.
5	Skookum Educational Programs Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$158,867,742	5.0%	Rank history: not on the FY2021 list, #66 in FY2022, #35 in FY2023, #5 in FY2024 and #7 in FY2025; up 3 since Jul 2024–Jun 2025.
6	Pride Industries Top agencies Army (Department of the Army) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$107,139,910	3.4%	Rank history: #10 in FY2021, #10 in FY2022, #7 in FY2023, #4 in FY2024 and #6 in FY2025; up 1 since Jul 2024–Jun 2025.
7	Chugach Logistics and Facility Services JV, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$103,703,887	3.2%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023, #19 in FY2024 and #8 in FY2025; up 2 since Jul 2024–Jun 2025.
8	Fluor Corporation Through Fluor Intercontinental, Inc. Top agencies USAF (Department of the Air Force)	$90,144,358	2.8%	Rank history: #3 in FY2021, #2 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
9	ECC International, LLC Top agencies USAF (Department of the Air Force)	$89,519,508	2.8%	Rank history: not on the FY2021–FY2024 lists and #2 in FY2025; down 5 since Jul 2024–Jun 2025.
10	Professional Contract Services, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$78,737,229	2.5%	Rank history: #22 in FY2021, #25 in FY2022, #23 in FY2023, #7 in FY2024 and #9 in FY2025; unchanged since Jul 2024–Jun 2025.
11	Tiya Services L.L.C. Top agencies Army (Department of the Army)	$70,865,624	2.2%	Rank history: #12 in FY2021, #12 in FY2022, #12 in FY2023, #6 in FY2024 and #10 in FY2025; unchanged since Jul 2024–Jun 2025.
12	KBR Diego Garcia, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$49,923,645	1.6%	Rank history: #13 in FY2021, #16 in FY2022, #11 in FY2023, #10 in FY2024 and #12 in FY2025; up 2 since Jul 2024–Jun 2025.
13	Dsc-Emi Maintenance Solutions, LLC Top agencies Navy (Department of the Navy) DODEA (Department of Defense Education Activity)	$49,636,800	1.6%	Rank history: #50 in FY2021, #48 in FY2022, #19 in FY2023, #14 in FY2024 and #13 in FY2025; up 4 since Jul 2024–Jun 2025.
14	Waseyabek Federal Services, L.L.C. Top agencies DOE (Department of Energy)	$38,685,368	1.2%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; up 202 since Jul 2024–Jun 2025.
15	Frontline King George JV LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$37,027,459	1.2%	Rank history: not on the FY2021–FY2023 lists, #53 in FY2024 and #18 in FY2025; up 16 since Jul 2024–Jun 2025.
16	Nana Regional Corporation, Inc. 3 awardees, including Akima Intra-Data, LLC and Akima Facilities Operations LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$33,134,562	1.0%	Rank history: not on the FY2021–FY2025 lists; up 352 since Jul 2024–Jun 2025.
17	Raven Services JV LLC Through Raven Services Corp Top agencies GSA (General Services Administration) DOT (Department of Transportation) VA (Department of Veterans Affairs)	$33,127,602	1.0%	Rank history: not on the FY2021–FY2023 lists, #45 in FY2024 and #15 in FY2025; up 11 since Jul 2024–Jun 2025.
18	Aleut O&M Services, LLC Top agencies Army (Department of the Army)	$28,999,048	0.9%	Rank history: not on the FY2021–FY2024 lists and #48 in FY2025; up 63 since Jul 2024–Jun 2025.
19	Vectrus-J&J Facilities Support, LLC Top agencies Navy (Department of the Navy)	$27,375,295	0.9%	Rank history: not on the FY2021–FY2023 lists, #76 in FY2024 and #20 in FY2025; up 5 since Jul 2024–Jun 2025.
20	Tunista Logistics Solutions LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$25,245,668	0.8%	Rank history: not on the FY2021–FY2023 lists, #34 in FY2024 and #24 in FY2025; up 2 since Jul 2024–Jun 2025.
21	Afognak Native Corporation Through "Alutiiq Logistics & Maintenance Services, Llc" Top agencies Navy (Department of the Navy)	$25,228,437	0.8%	Rank history: #8 in FY2021, #11 in FY2022, #8 in FY2023, #30 in FY2024 and #21 in FY2025; up 116 since Jul 2024–Jun 2025.
22	Danner Construction Co Inc. Top agencies USAF (Department of the Air Force)	$24,729,745	0.8%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; new, not ranked in Jul 2024–Jun 2025.
23	Chenega Base & Logistics Services LLC Top agencies Army (Department of the Army)	$24,608,442	0.8%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2023, #26 in FY2024 and #31 in FY2025; up 2 since Jul 2024–Jun 2025.
24	Akima Facilities Operations LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DTRA (Defense Threat Reduction Agency)	$24,569,123	0.8%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023, #32 in FY2024 and #26 in FY2025; up 3 since Jul 2024–Jun 2025.
25	Bering Straits Professional Services, LLC Top agencies Navy (Department of the Navy)	$23,363,326	0.7%	Rank history: not on the FY2021–FY2023 lists, #50 in FY2024 and #28 in FY2025; up 31 since Jul 2024–Jun 2025.
26	Jones Lang Lasalle Americas, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) DOS (Department of State)	$23,328,083	0.7%	Rank history: not on the FY2021–FY2023 lists, #36 in FY2024 and #29 in FY2025; up 4 since Jul 2024–Jun 2025.
27	Readiness Management Support LC Top agencies USAF (Department of the Air Force)	$22,285,671	0.7%	Rank history: not on the FY2021 list, #31 in FY2022, not on the FY2023 list, #15 in FY2024 and #11 in FY2025; down 14 since Jul 2024–Jun 2025.
28	Invicta Global, LLC Top agencies Navy (Department of the Navy)	$21,861,087	0.7%	Rank history: not on the FY2021–FY2023 lists, #37 in FY2024 and #36 in FY2025; up 7 since Jul 2024–Jun 2025.
29	KTH Services JV, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DHA (Defense Health Agency)	$21,368,445	0.7%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; up 49 since Jul 2024–Jun 2025.
30	Chugach Alaska Corporation 2 awardees, including Chugach Consolidated Solutions, LLC and Wolf Creek Federal Services LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$20,731,623	0.6%	Rank history: #14 in FY2021, #15 in FY2022, #14 in FY2023, #24 in FY2024 and #47 in FY2025; up 65 since Jul 2024–Jun 2025.
31	Electronic Metrology Laboratory, LLC Top agencies GSA (General Services Administration) DOI (Department of the Interior) DOE (Department of Energy)	$19,291,335	0.6%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023, #35 in FY2024 and #32 in FY2025; up 2 since Jul 2024–Jun 2025.
32	Valiant Integrated Services LLC 2 awardees, including Valiant / Alca JV LLC and Valiant Government Services LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$19,155,218	0.6%	Rank history: not on the FY2021 list, #24 in FY2022, #25 in FY2023, #28 in FY2024 and #14 in FY2025; down 13 since Jul 2024–Jun 2025.
33	Diversified Service Contracting, Inc. Top agencies Navy (Department of the Navy)	$18,889,107	0.6%	Rank history: #53 in FY2021, #50 in FY2022, #33 in FY2023, #44 in FY2024 and #33 in FY2025; up 12 since Jul 2024–Jun 2025.
34	DPG Services JV LLP Top agencies Army (Department of the Army)	$17,665,338	0.6%	Rank history: not on the FY2021–FY2024 lists and #34 in FY2025; up 4 since Jul 2024–Jun 2025.
35	Alutiiq Information Management, LLC Top agencies DOS (Department of State)	$16,721,983	0.5%	Rank history: not on the FY2021–FY2023 lists, #27 in FY2024 and #30 in FY2025; down 15 since Jul 2024–Jun 2025.
36	CMI Management, LLC Top agencies DHS (Department of Homeland Security) AFRH (Armed Forces Retirement Home) DOJ (Department of Justice)	$14,968,922	0.5%	Rank history: not on the FY2021–FY2024 lists and #56 in FY2025; up 76 since Jul 2024–Jun 2025.
37	J & J Maintenance Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DHA (Defense Health Agency)	$14,389,195	0.5%	Rank history: #15 in FY2021, #9 in FY2022, #13 in FY2023, #23 in FY2024 and #40 in FY2025; down 8 since Jul 2024–Jun 2025.
38	Servicesource Inc. Top agencies WHS (DOD Washington Headquarters Service) Commerce (Department of Commerce)	$14,086,598	0.4%	Rank history: #45 in FY2021, #23 in FY2022, #30 in FY2023, #31 in FY2024 and #23 in FY2025; down 23 since Jul 2024–Jun 2025.
39	DAE Sung LLC Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$13,923,253	0.4%	Rank history: not on the FY2021 list, #93 in FY2022, #42 in FY2023, #51 in FY2024 and #39 in FY2025; unchanged since Jul 2024–Jun 2025.
40	Aleut Management Services, LLC Top agencies USAF (Department of the Air Force)	$13,664,794	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
41	Techflow Mission Support, LLC Top agencies Navy (Department of the Navy)	$13,307,333	0.4%	Rank history: not on the FY2021–FY2023 lists, #42 in FY2024 and #38 in FY2025; up 92 since Jul 2024–Jun 2025.
42	Defense Base Services, LLC Top agencies Navy (Department of the Navy)	$13,180,293	0.4%	Rank history: not on the FY2021–FY2024 lists and #17 in FY2025; down 19 since Jul 2024–Jun 2025.
43	Chugach Solutions Enterprise, LLC Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$12,134,014	0.4%	Rank history: not on the FY2021 list, #96 in FY2022, not on the FY2023–FY2024 lists and #51 in FY2025; up 15 since Jul 2024–Jun 2025.
44	Coastal Enterprises of Jacksonville Inc. Top agencies Navy (Department of the Navy)	$11,277,050	0.4%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; up 392 since Jul 2024–Jun 2025.
45	Re-Engineered Business Solutions, Inc. Top agencies Army (Department of the Army)	$10,297,724	0.3%	Rank history: #66 in FY2021, #59 in FY2022, #50 in FY2023, #54 in FY2024 and #53 in FY2025; up 1 since Jul 2024–Jun 2025.
46	MEC Distribution LLC Top agencies Treasury (Department of the Treasury)	$10,189,509	0.3%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023, #61 in FY2024 and #57 in FY2025; up 72 since Jul 2024–Jun 2025.
47	AAA Complete Building Services Inc. Top agencies GSA (General Services Administration)	$9,833,069	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
48	Gcr-Mdi II, LLC Top agencies Navy (Department of the Navy)	$9,670,761	0.3%	Rank history: not on the FY2021–FY2024 lists and #61 in FY2025; up 24 since Jul 2024–Jun 2025.
49	Emcor Group Inc. Through Emcor Government Services, Inc. Top agencies GSA (General Services Administration) USAGM (US Agency for Global Media) DOT (Department of Transportation)	$9,415,157	0.3%	Rank history: not on the FY2021–FY2023 lists, #93 in FY2024 and not on the FY2025 list; up 52 since Jul 2024–Jun 2025.
50	Atigun Group, Inc. Top agencies DHS (Department of Homeland Security)	$9,160,747	0.3%	Rank history: not on the FY2021–FY2023 lists, #65 in FY2024 and #46 in FY2025; up 5 since Jul 2024–Jun 2025.
51	Fortis Industries LLC Top agencies GSA (General Services Administration) Navy (Department of the Navy) Army (Department of the Army)	$9,054,661	0.3%	Rank history: #68 in FY2021, #88 in FY2022, #56 in FY2023, #56 in FY2024 and #63 in FY2025; down 3 since Jul 2024–Jun 2025.
52	Shearwater Mission Support LLC Top agencies Army (Department of the Army)	$9,026,995	0.3%	Rank history: not on the FY2021–FY2024 lists and #66 in FY2025; up 69 since Jul 2024–Jun 2025.
53	The Building People LLC Top agencies Army (Department of the Army) Commerce (Department of Commerce) DISA (Defense Information Systems Agency)	$8,767,282	0.3%	Rank history: not on the FY2021–FY2025 lists; up 61 since Jul 2024–Jun 2025.
54	Job Options, Incorporated Top agencies Navy (Department of the Navy)	$8,546,960	0.3%	Rank history: #40 in FY2021, #41 in FY2022, #34 in FY2023, #38 in FY2024 and #35 in FY2025; down 17 since Jul 2024–Jun 2025.
55	Northern Management Services, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) DOS (Department of State)	$8,519,459	0.3%	Rank history: #54 in FY2021, #64 in FY2022, not on the FY2023 list, #62 in FY2024 and #45 in FY2025; down 2 since Jul 2024–Jun 2025.
56	T&H Services, LLC Top agencies Navy (Department of the Navy)	$8,476,015	0.3%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; up 15 since Jul 2024–Jun 2025.
57	R & D Maintenance Services Inc. Top agencies Army (Department of the Army)	$7,899,730	0.2%	Rank history: #76 in FY2021, #63 in FY2022, not on the FY2023–FY2024 lists and #54 in FY2025; down 13 since Jul 2024–Jun 2025.
58	Dongwon Construction Industries Co., Ltd. Top agencies Army (Department of the Army)	$7,778,140	0.2%	Rank history: not on the FY2021–FY2024 lists and #59 in FY2025; down 4 since Jul 2024–Jun 2025.
59	Dsc-Emi II LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$7,767,684	0.2%	Rank history: not on the FY2021–FY2023 lists, #77 in FY2024 and #65 in FY2025; up 4 since Jul 2024–Jun 2025.
60	Bering Global Solutions, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$7,605,590	0.2%	Rank history: not on the FY2021–FY2023 lists, #79 in FY2024 and #67 in FY2025; down 10 since Jul 2024–Jun 2025.
61	KJS Support Services Joint Venture LLC Top agencies Navy (Department of the Navy)	$7,425,465	0.2%	Rank history: #43 in FY2021, #34 in FY2022, #41 in FY2023, #64 in FY2024 and #68 in FY2025; unchanged since Jul 2024–Jun 2025.
62	Range Cleaners Inc Top agencies DHS (Department of Homeland Security)	$7,324,155	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
63	Facility Services Management, Inc. Top agencies Army (Department of the Army)	$7,088,326	0.2%	Rank history: #29 in FY2021, #29 in FY2022, #24 in FY2023, #33 in FY2024 and #58 in FY2025; up 35 since Jul 2024–Jun 2025.
64	LB & B Associates Inc. Top agencies GSA (General Services Administration) Commerce (Department of Commerce)	$6,983,001	0.2%	Rank history: not on the FY2021–FY2025 lists; up 114 since Jul 2024–Jun 2025.
65	ND3 Inc Top agencies Army (Department of the Army)	$6,615,772	0.2%	Rank history: not on the FY2021–FY2023 lists, #67 in FY2024 and #69 in FY2025; up 4 since Jul 2024–Jun 2025.
66	South Dade Air Conditioning & Refrigeration Inc. Top agencies GSA (General Services Administration) EPA (Environmental Protection Agency)	$6,549,568	0.2%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023, #46 in FY2024 and #37 in FY2025; down 30 since Jul 2024–Jun 2025.
67	Training, Rehabilitation, & Development Institute, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHA (Defense Health Agency)	$6,502,231	0.2%	Rank history: not on the FY2021–FY2024 lists and #71 in FY2025; up 6 since Jul 2024–Jun 2025.
68	Criterion Corporation Top agencies USAF (Department of the Air Force)	$6,400,135	0.2%	Rank history: not on the FY2021–FY2023 lists, #86 in FY2024 and #70 in FY2025; down 4 since Jul 2024–Jun 2025.
69	DMC Management Services, LLC Top agencies Navy (Department of the Navy)	$6,395,815	0.2%	Rank history: #57 in FY2021, #55 in FY2022, #51 in FY2023, #57 in FY2024 and #86 in FY2025; down 7 since Jul 2024–Jun 2025.
70	Mitomo Co., Ltd. Top agencies Navy (Department of the Navy)	$6,370,151	0.2%	Rank history: not on the FY2021–FY2024 lists and #76 in FY2025; up 12 since Jul 2024–Jun 2025.
71	Dgi-Ati JV LLC Top agencies DHS (Department of Homeland Security)	$6,356,121	0.2%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023, #87 in FY2024 and #87 in FY2025; up 40 since Jul 2024–Jun 2025.
72	Brymak & Associates, Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) Army (Department of the Army)	$6,276,104	0.2%	Rank history: not on the FY2021–FY2025 lists; up 91 since Jul 2024–Jun 2025.
73	Tbp&Jj Worldwide Services, LLC Top agencies Navy (Department of the Navy)	$6,273,118	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
74	T&M Service Group, LLC Top agencies DHS (Department of Homeland Security)	$6,209,027	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
75	Bear Den Technology, LLC Top agencies Navy (Department of the Navy)	$5,916,040	0.2%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; up 8 since Jul 2024–Jun 2025.
76	Pegasus Support Services LLC Top agencies GSA (General Services Administration) DOI (Department of the Interior)	$5,791,578	0.2%	Rank history: not on the FY2021–FY2023 lists, #22 in FY2024 and #84 in FY2025; down 8 since Jul 2024–Jun 2025.
77	Kikaha Solutions, LLC Top agencies Navy (Department of the Navy)	$5,782,062	0.2%	Rank history: not on the FY2021–FY2024 lists and #93 in FY2025; up 39 since Jul 2024–Jun 2025.
78	BAE Systems Through BAE Systems Ordnance Systems Inc. Top agencies Army (Department of the Army)	$5,616,828	0.2%	Rank history: not on the FY2021–FY2023 lists, #74 in FY2024 and #75 in FY2025; down 11 since Jul 2024–Jun 2025.
79	Kgjj Engineering Solutions, LLC Top agencies Navy (Department of the Navy)	$5,287,355	0.2%	Rank history: not on the FY2021–FY2023 lists, #88 in FY2024 and #80 in FY2025; unchanged since Jul 2024–Jun 2025.
80	Beacon Group, Inc. Top agencies DISA (Defense Information Systems Agency)	$5,269,854	0.2%	Rank history: not on the FY2021–FY2023 lists, #90 in FY2024 and not on the FY2025 list; up 62 since Jul 2024–Jun 2025.
81	Pacarctic, LLC Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$5,219,794	0.2%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; up 340 since Jul 2024–Jun 2025.
82	The Ryan Group Inc Through Ryan & Associates, Inc. Top agencies Army (Department of the Army)	$5,099,810	0.2%	Rank history: not on the FY2021–FY2023 lists, #72 in FY2024 and #82 in FY2025; down 23 since Jul 2024–Jun 2025.
83	Gcr-Dean LLC Top agencies DISA (Defense Information Systems Agency)	$5,089,695	0.2%	Rank history: #64 in FY2021, #53 in FY2022, #53 in FY2023, #55 in FY2024 and #74 in FY2025; down 40 since Jul 2024–Jun 2025.
84	Hosei Co., Ltd. Top agencies Navy (Department of the Navy)	$5,001,223	0.2%	Rank history: #82 in FY2021, not on the FY2022–FY2024 lists and #92 in FY2025; unchanged since Jul 2024–Jun 2025.
85	IAP World Services, Inc. Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$4,968,279	0.2%	Rank history: not on the FY2021–FY2024 lists and #81 in FY2025; down 9 since Jul 2024–Jun 2025.
86	Swift & Staley Inc. Top agencies DOE (Department of Energy)	$4,927,197	0.2%	Rank history: #23 in FY2021, #18 in FY2022, #21 in FY2023, #21 in FY2024 and #16 in FY2025; down 68 since Jul 2024–Jun 2025.
87	C & S Building Services Inc. Top agencies DOI (Department of the Interior)	$4,835,053	0.2%	Rank history: #86 in FY2021, #82 in FY2022, #80 in FY2023, not on the FY2024 list and #90 in FY2025; up 6 since Jul 2024–Jun 2025.
88	Native Energy & Technology Inc. Top agencies Treasury (Department of the Treasury) EPA (Environmental Protection Agency) DHS (Department of Homeland Security)	$4,819,447	0.2%	Rank history: not on the FY2021 list, #52 in FY2022, #57 in FY2023, #75 in FY2024 and #79 in FY2025; up 44 since Jul 2024–Jun 2025.
89	Graham Services LLC Top agencies Army (Department of the Army)	$4,637,068	0.1%	Rank history: not on the FY2021–FY2025 lists; up 14 since Jul 2024–Jun 2025.
90	Teya Support Services LLC Top agencies Army (Department of the Army)	$4,486,245	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
91	24Hrc Top agencies Army (Department of the Army)	$4,433,938	0.1%	Rank history: not on the FY2021–FY2024 lists and #95 in FY2025; new, not ranked in Jul 2024–Jun 2025.
92	WE2 Support Services 8A JV LLC Top agencies DOE (Department of Energy)	$4,395,266	0.1%	Rank history: #20 in FY2021, #20 in FY2022, #15 in FY2023, #17 in FY2024 and #27 in FY2025; down 76 since Jul 2024–Jun 2025.
93	Trademasters Service, Inc. Top agencies GSA (General Services Administration) EXIM (Export Import Bank of the US) DOJ (Department of Justice)	$4,337,617	0.1%	Rank history: not on the FY2021–FY2025 lists; up 75 since Jul 2024–Jun 2025.
94	Power Works Industries, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$4,313,442	0.1%	Rank history: not on the FY2021–FY2024 lists and #88 in FY2025; down 3 since Jul 2024–Jun 2025.
95	LBM Inc. Top agencies Navy (Department of the Navy)	$4,290,648	0.1%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; up 59 since Jul 2024–Jun 2025.
96	Human Technologies Corp Top agencies Navy (Department of the Navy)	$4,246,096	0.1%	Rank history: not on the FY2021 list, #97 in FY2022, #76 in FY2023, #81 in FY2024 and #97 in FY2025; up 23 since Jul 2024–Jun 2025.
97	Vetpride-Emi Maintenance Solutions, LLC Top agencies Army (Department of the Army)	$3,994,864	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
98	Izumi Support Corporation Top agencies Navy (Department of the Navy)	$3,816,544	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
99	Tunista Operations Support Services LLC Top agencies FCC (Federal Communications Commission)	$3,805,625	0.1%	Rank history: not on the FY2021–FY2025 lists; up 29 since Jul 2024–Jun 2025.
100	T47 International Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) DLA (Defense Logistics Agency)	$3,775,712	0.1%	Rank history: not on the FY2021–FY2025 lists; up 5 since Jul 2024–Jun 2025.

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100 of 616 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 $3.2 billion 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 S216 contractors in Jul 2025–Jun 2026?

1. Amentum Holdings, Inc. ($432M), 2. V2X, Inc. ($215M), 3. Arctic Slope Regional Corporation ($183M), 4. KBR Wyle Services LLC ($164M), 5. Skookum Educational Programs ($159M), 6. Pride Industries ($107M), 7. Chugach Logistics and Facility Services JV, LLC ($104M), 8. Fluor Corporation ($90.1M), 9. ECC International, LLC ($89.5M), 10. Professional Contract Services, Inc. ($78.7M).

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