Top 100 Contractors in PSC S216: Facilities Operations Support Services, FY2025

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Amentum Holdings, Inc. 12 awardees, including Dzsp 21 LLC, Amentum Spaceport LLC and Amentum Services, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration) DOS (Department of State)	$415,402,444	13.7%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2024; up 8 since FY2024.
2	Environmental Chemical Corporation Through ECC International, LLC Top agencies USAF (Department of the Air Force)	$200,052,508	6.6%	Rank history: #38 in FY2021, #37 in FY2022 and not on the FY2023–FY2024 lists; returned.
3	Arctic Slope Regional Corporation 5 awardees, including Asrc Federal Field Services, LLC, Asrc Communications, Ltd. and Arctec Alaska JV Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) DECA (Defense Commissary Agency)	$181,389,222	6.0%	Rank history: #6 in FY2021, #7 in FY2022, #5 in FY2023 and #3 in FY2024; unchanged since FY2024.
4	V2X, Inc. 2 awardees, including V2X Systems LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$142,807,068	4.7%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2024; up 7 since FY2024.
5	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)	$138,163,025	4.6%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2024; down 3 since FY2024.
6	Pride Industries Top agencies Army (Department of the Army) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$111,700,763	3.7%	Rank history: #10 in FY2021, #10 in FY2022, #7 in FY2023 and #4 in FY2024; down 2 since FY2024.
7	Skookum Educational Programs Top agencies Army (Department of the Army) Navy (Department of the Navy) DHS (Department of Homeland Security)	$86,466,152	2.9%	Rank history: not on the FY2021 list, #66 in FY2022, #35 in FY2023 and #5 in FY2024; down 2 since FY2024.
8	Chugach Logistics and Facility Services JV, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$76,048,253	2.5%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023 and #19 in FY2024; up 11 since FY2024.
9	Professional Contract Services, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$75,113,340	2.5%	Rank history: #22 in FY2021, #25 in FY2022, #23 in FY2023 and #7 in FY2024; down 2 since FY2024.
10	Tiya Services L.L.C. Top agencies Army (Department of the Army)	$70,551,971	2.3%	Rank history: #12 in FY2021, #12 in FY2022, #12 in FY2023 and #6 in FY2024; down 4 since FY2024.
11	Diversified Service Contracting, Inc. 2 awardees, including Dsc-Emi Maintenance Solutions, LLC Top agencies Navy (Department of the Navy) DODEA (Department of Defense Education Activity)	$64,402,247	2.1%	Rank history: #53 in FY2021, #50 in FY2022, #33 in FY2023 and #44 in FY2024; up 33 since FY2024.
12	Afognak Native Corporation 4 awardees, including "Alutiiq Logistics & Maintenance Services, Llc", Alutiiq Information Management, LLC and Alutiiq Commercial Enterprises LLC Top agencies Navy (Department of the Navy) DOS (Department of State) USAF (Department of the Air Force)	$60,452,688	2.0%	Rank history: #8 in FY2021, #11 in FY2022, #8 in FY2023 and #30 in FY2024; up 18 since FY2024.
13	Readiness Management Support LC Top agencies USAF (Department of the Air Force)	$52,486,210	1.7%	Rank history: not on the FY2021 list, #31 in FY2022, not on the FY2023 list and #15 in FY2024; up 2 since FY2024.
14	Kbr, Inc. Through KBR Diego Garcia, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$51,859,478	1.7%	Rank history: #2 in FY2021, #4 in FY2022 and not on the FY2023–FY2024 lists; returned.
15	Chugach Government Solutions, LLC 4 awardees, including Defense Base Services, LLC, Chugach Solutions Enterprise, LLC and Wolf Creek Federal Services LLC Top agencies Navy (Department of the Navy) DOI (Department of the Interior) Army (Department of the Army)	$42,647,366	1.4%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2024; up 83 since FY2024.
16	Valiant Integrated Services LLC 2 awardees, including Valiant Government Services LLC and Valiant / Alca JV LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$37,705,427	1.2%	Rank history: not on the FY2021 list, #24 in FY2022, #25 in FY2023 and #28 in FY2024; up 12 since FY2024.
17	Bering Straits Native Corporation 5 awardees, including Bering Straits Professional Services, LLC, Bering Global Solutions, LLC and Kikaha Solutions, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) GSA (General Services Administration)	$34,578,756	1.1%	Rank history: #88 in FY2021, #61 in FY2022, #49 in FY2023 and not on the FY2024 list; up 159 since FY2024.
18	Raven Services JV LLC Through Raven Services Corp Top agencies GSA (General Services Administration) DOT (Department of Transportation) VA (Department of Veterans Affairs)	$28,982,559	1.0%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2024; up 27 since FY2024.
19	Swift & Staley Inc. Top agencies DOE (Department of Energy)	$28,673,805	0.9%	Rank history: #23 in FY2021, #18 in FY2022, #21 in FY2023 and #21 in FY2024; up 2 since FY2024.
20	Frontline King George JV LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$28,207,229	0.9%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; up 33 since FY2024.
21	Nana Regional Corporation Inc. 2 awardees, including Akima Intra-Data, LLC Top agencies USAF (Department of the Air Force)	$27,068,350	0.9%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2024; up 8 since FY2024.
22	Vectrus-J&J Facilities Support, LLC Top agencies Navy (Department of the Navy)	$26,856,580	0.9%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2024; up 54 since FY2024.
23	Valiant Technical Services Inc. Top agencies DLA (Defense Logistics Agency)	$26,454,537	0.9%	Rank history: #18 in FY2021, not on the FY2022–FY2023 lists and #18 in FY2024; down 5 since FY2024.
24	Servicesource Inc. Top agencies WHS (DOD Washington Headquarters Service)	$26,326,772	0.9%	Rank history: #45 in FY2021, #23 in FY2022, #30 in FY2023 and #31 in FY2024; up 7 since FY2024.
25	Tunista Logistics Solutions LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$25,725,874	0.8%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; up 9 since FY2024.
26	The Chenega Corporation 5 awardees, including Chenega Base & Logistics Services LLC, Chenega Mission Operations, LLC and Chenega Security International, LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$25,114,071	0.8%	Rank history: #87 in FY2021, #95 in FY2022 and not on the FY2023–FY2024 lists; returned.
27	Danner Construction Co Inc. Top agencies USAF (Department of the Air Force)	$24,677,406	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
28	Akima Facilities Operations LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DTRA (Defense Threat Reduction Agency)	$24,610,140	0.8%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023 and #32 in FY2024; up 4 since FY2024.
29	WE2 Support Services 8A JV LLC Top agencies DOE (Department of Energy)	$23,993,223	0.8%	Rank history: #20 in FY2021, #20 in FY2022, #15 in FY2023 and #17 in FY2024; down 12 since FY2024.
30	Jones Lang Lasalle Americas, Inc. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) DOJ (Department of Justice)	$22,719,045	0.7%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; up 6 since FY2024.
31	Electronic Metrology Laboratory, LLC Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$18,213,841	0.6%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #35 in FY2024; up 4 since FY2024.
32	King & George, LLC 3 awardees, including Invicta Global, LLC and KGN Support Services LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) GSA (General Services Administration)	$17,270,692	0.6%	Rank history: #30 in FY2021, #28 in FY2022, #26 in FY2023 and #89 in FY2024; up 57 since FY2024.
33	DPG Services JV LLP Top agencies Army (Department of the Army)	$16,214,606	0.5%	Rank history: not on the FY2021–FY2024 lists; up 286 since FY2024.
34	Job Options, Incorporated Top agencies Navy (Department of the Navy)	$15,990,255	0.5%	Rank history: #40 in FY2021, #41 in FY2022, #34 in FY2023 and #38 in FY2024; up 4 since FY2024.
35	South Dade Air Conditioning & Refrigeration Inc. Top agencies GSA (General Services Administration) EPA (Environmental Protection Agency) USDA (Department of Agriculture)	$13,298,583	0.4%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and #46 in FY2024; up 11 since FY2024.
36	Techflow, Inc. Through Techflow Mission Support, LLC Top agencies Navy (Department of the Navy)	$13,239,556	0.4%	Rank history: #21 in FY2021, #19 in FY2022, #27 in FY2023 and not on the FY2024 list; up 227 since FY2024.
37	DAE Sung LLC Top agencies GSA (General Services Administration) HHS (Department of Health and Human Services) SSA (Social Security Administration)	$12,477,665	0.4%	Rank history: not on the FY2021 list, #93 in FY2022, #42 in FY2023 and #51 in FY2024; up 14 since FY2024.
38	J & J Maintenance Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$12,345,896	0.4%	Rank history: #15 in FY2021, #9 in FY2022, #13 in FY2023 and #23 in FY2024; down 15 since FY2024.
39	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; new.
40	Waseyabek Federal Services, L.L.C. Top agencies DOE (Department of Energy)	$10,555,668	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
41	Constellis, LLC Through Centerra Construction Partners LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$10,295,886	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
42	Northern Management Services, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) AOUSC (Administrative Office of the U.S. Courts)	$10,261,471	0.3%	Rank history: #54 in FY2021, #64 in FY2022, not on the FY2023 list and #62 in FY2024; up 20 since FY2024.
43	Atigun Group, Inc. Top agencies DHS (Department of Homeland Security)	$9,817,347	0.3%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; up 22 since FY2024.
44	Chugach Alaska Corporation 3 awardees, including Chugach Consolidated Solutions, LLC and Wolf Creek Federal Services LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$9,511,575	0.3%	Rank history: #14 in FY2021, #15 in FY2022, #14 in FY2023 and #24 in FY2024; down 20 since FY2024.
45	The Aleut Corporation Through Aleut O&M Services, LLC Top agencies Army (Department of the Army)	$9,429,118	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
46	Copper River Infrastructure Services LLC Top agencies Army (Department of the Army)	$9,311,680	0.3%	Rank history: not on the FY2021–FY2024 lists; up 220 since FY2024.
47	Bear Den Technology, LLC Top agencies Navy (Department of the Navy)	$8,870,040	0.3%	Rank history: not on the FY2021–FY2024 lists; up 227 since FY2024.
48	KJS MP Joint Venture LLC Top agencies Navy (Department of the Navy)	$8,726,651	0.3%	Rank history: #47 in FY2021, #46 in FY2022, #46 in FY2023 and not on the FY2024 list; returned.
49	Re-Engineered Business Solutions, Inc. Top agencies Army (Department of the Army)	$8,690,529	0.3%	Rank history: #66 in FY2021, #59 in FY2022, #50 in FY2023 and #54 in FY2024; up 5 since FY2024.
50	Sitemaster Inc. Through R & D Maintenance Services Inc. Top agencies Army (Department of the Army)	$8,592,420	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
51	Koniag, Inc. 2 awardees, including Pacarctic, LLC and Kadiak LLC Top agencies GSA (General Services Administration) Treasury (Department of the Treasury)	$8,155,474	0.3%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and not on the FY2024 list; up 250 since FY2024.
52	Ameresco Inc. Through CMI Management, LLC Top agencies DHS (Department of Homeland Security) AFRH (Armed Forces Retirement Home) DOJ (Department of Justice)	$8,054,969	0.3%	Rank history: not on the FY2021–FY2024 lists; up 284 since FY2024.
53	CMI Management, LLC Top agencies DHS (Department of Homeland Security) AFRH (Armed Forces Retirement Home) DOJ (Department of Justice)	$7,942,164	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
54	MEC Distribution LLC Top agencies Treasury (Department of the Treasury)	$7,892,794	0.3%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #61 in FY2024; up 7 since FY2024.
55	Facility Services Management, Inc. Top agencies Army (Department of the Army)	$7,770,216	0.3%	Rank history: #29 in FY2021, #29 in FY2022, #24 in FY2023 and #33 in FY2024; down 22 since FY2024.
56	Dongwon Construction Industries Co., Ltd. Top agencies Army (Department of the Army)	$7,739,388	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
57	Southern Contracting Solutions Iii, LLC Top agencies GSA (General Services Administration) Treasury (Department of the Treasury)	$7,737,086	0.3%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2024; up 2 since FY2024.
58	Gcr-Mdi II, LLC Top agencies Navy (Department of the Navy)	$7,731,949	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
59	NCS / EML Joint Venture, LLC Top agencies Navy (Department of the Navy)	$7,492,101	0.2%	Rank history: #75 in FY2021, #78 in FY2022, #81 in FY2023 and #68 in FY2024; up 9 since FY2024.
60	Fortis Industries LLC Top agencies GSA (General Services Administration) Navy (Department of the Navy) Army (Department of the Army)	$7,370,876	0.2%	Rank history: #68 in FY2021, #88 in FY2022, #56 in FY2023 and #56 in FY2024; down 4 since FY2024.
61	Hospital Housekeeping Systems LLC Top agencies Army (Department of the Army)	$7,330,108	0.2%	Rank history: not on the FY2021 list, #72 in FY2022, #31 in FY2023 and #47 in FY2024; down 14 since FY2024.
62	Dsc-Emi II LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$7,237,454	0.2%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 15 since FY2024.
63	Shearwater Mission Support LLC Top agencies Army (Department of the Army)	$7,168,167	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
64	KJS Support Services Joint Venture LLC Top agencies Navy (Department of the Navy)	$6,614,684	0.2%	Rank history: #43 in FY2021, #34 in FY2022, #41 in FY2023 and #64 in FY2024; unchanged since FY2024.
65	ND3 Inc Top agencies Army (Department of the Army)	$6,330,439	0.2%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2024; up 2 since FY2024.
66	Criterion Corporation Top agencies USAF (Department of the Air Force)	$6,199,000	0.2%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; up 20 since FY2024.
67	Training, Rehabilitation, & Development Institute, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$6,110,873	0.2%	Rank history: not on the FY2021–FY2024 lists; up 254 since FY2024.
68	KTH Services JV, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DHA (Defense Health Agency)	$6,098,058	0.2%	Rank history: not on the FY2021–FY2024 lists; up 33 since FY2024.
69	Seres Engineering & Services LLC Top agencies Army (Department of the Army)	$6,082,134	0.2%	Rank history: #73 in FY2021, #77 in FY2022, #67 in FY2023 and #73 in FY2024; up 4 since FY2024.
70	Government Contracting Resources, Inc. Through Gcr-Dean LLC Top agencies DISA (Defense Information Systems Agency)	$6,027,691	0.2%	Rank history: #44 in FY2021, #54 in FY2022, #52 in FY2023 and #60 in FY2024; down 10 since FY2024.
71	BAE Systems Through BAE Systems Ordnance Systems Inc. Top agencies Army (Department of the Army)	$6,010,697	0.2%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; up 3 since FY2024.
72	Mitomo Co., Ltd. Top agencies Navy (Department of the Navy)	$5,927,493	0.2%	Rank history: not on the FY2021–FY2024 lists; up 42 since FY2024.
73	Yokomizo Tokoten Co., Ltd. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$5,860,454	0.2%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; up 7 since FY2024.
74	Native Energy & Technology Inc. Top agencies Treasury (Department of the Treasury) EPA (Environmental Protection Agency) DHS (Department of Homeland Security)	$5,809,516	0.2%	Rank history: not on the FY2021 list, #52 in FY2022, #57 in FY2023 and #75 in FY2024; up 1 since FY2024.
75	IAP World Services, Inc. 2 awardees, including Iap-Ecc LLC Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$5,653,502	0.2%	Rank history: not on the FY2021–FY2024 lists; up 402 since FY2024.
76	Central Council Tlingit and Haida Indian Tribes of Alaska 3 awardees, including T&H Services, LLC and Kira Aviation Services LLC Top agencies Navy (Department of the Navy)	$5,645,586	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
77	Kgjj Engineering Solutions, LLC Top agencies Navy (Department of the Navy)	$5,645,339	0.2%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; up 11 since FY2024.
78	The Ryan Group Inc Through Ryan & Associates, Inc. Top agencies Army (Department of the Army)	$5,541,867	0.2%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2024; down 6 since FY2024.
79	Gana-A' Yoo, Limited 2 awardees, including Kaiyuh Services, LLC and Six Mile Nika JV, LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$5,290,041	0.2%	Rank history: not on the FY2021 list, #86 in FY2022, #79 in FY2023 and not on the FY2024 list; returned.
80	Pegasus Support Services LLC Top agencies GSA (General Services Administration) DOI (Department of the Interior)	$5,213,493	0.2%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; down 58 since FY2024.
81	DMC Management Services, LLC Top agencies Navy (Department of the Navy)	$4,890,349	0.2%	Rank history: #57 in FY2021, #55 in FY2022, #51 in FY2023 and #57 in FY2024; down 24 since FY2024.
82	Dgi-Ati JV LLC Top agencies DHS (Department of Homeland Security)	$4,849,328	0.2%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023 and #87 in FY2024; up 5 since FY2024.
83	Power Works Industries, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$4,781,053	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
84	Systems Application & Technologies Inc. Top agencies Army (Department of the Army)	$4,604,008	0.2%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; up 10 since FY2024.
85	C & S Building Services Inc. Top agencies DOI (Department of the Interior)	$4,582,664	0.2%	Rank history: #86 in FY2021, #82 in FY2022, #80 in FY2023 and not on the FY2024 list; up 88 since FY2024.
86	Hosei Co., Ltd. Top agencies Navy (Department of the Navy)	$4,503,208	0.1%	Rank history: #82 in FY2021 and not on the FY2022–FY2024 lists; returned.
87	LBM Inc. Top agencies Navy (Department of the Navy)	$4,424,815	0.1%	Rank history: not on the FY2021–FY2024 lists; up 109 since FY2024.
88	24Hrc Top agencies Army (Department of the Army)	$4,406,235	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Superior Tasking Advantage Contracting, Inc. Top agencies DHS (Department of Homeland Security)	$4,273,697	0.1%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023 and #70 in FY2024; down 19 since FY2024.
90	Human Technologies Corp Top agencies Navy (Department of the Navy)	$4,132,563	0.1%	Rank history: not on the FY2021 list, #97 in FY2022, #76 in FY2023 and #81 in FY2024; down 9 since FY2024.
91	M.c. Dean, Inc. Top agencies GSA (General Services Administration) DISA (Defense Information Systems Agency) EOP (Executive Office of the President)	$3,933,682	0.1%	Rank history: not on the FY2021–FY2024 lists; up 51 since FY2024.
92	Dawson Mcg, Inc. Top agencies Army (Department of the Army)	$3,877,030	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	C & E Services, Inc. Top agencies Treasury (Department of the Treasury)	$3,811,382	0.1%	Rank history: not on the FY2021 list, #74 in FY2022, #83 in FY2023 and #99 in FY2024; up 6 since FY2024.
94	Fortis Native Group LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$3,715,905	0.1%	Rank history: not on the FY2021–FY2024 lists; up 36 since FY2024.
95	PDO - Ait JV LLC Top agencies Commerce (Department of Commerce)	$3,684,744	0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and not on the FY2024 list; up 12 since FY2024.
96	Range Cleaners Inc Top agencies DHS (Department of Homeland Security)	$3,578,750	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Trademasters Service, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) EXIM (Export Import Bank of the US)	$3,550,500	0.1%	Rank history: not on the FY2021–FY2024 lists; up 19 since FY2024.
98	Gulfstream Goodwill Industries, Inc. Top agencies Army (Department of the Army)	$3,460,837	0.1%	Rank history: #89 in FY2021, not on the FY2022 list, #95 in FY2023 and not on the FY2024 list; up 14 since FY2024.
99	Graham Services LLC Top agencies Army (Department of the Army)	$3,443,403	0.1%	Rank history: not on the FY2021–FY2024 lists; up 21 since FY2024.
100	Satellite Services Inc. Top agencies DHS (Department of Homeland Security)	$3,388,104	0.1%	Rank history: not on the FY2021 list, #94 in FY2022, #94 in FY2023 and not on the FY2024 list; up 22 since FY2024.

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 $3.03 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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