Top 100 Contractors in PSC Z2EZ: Repair or Alteration of Other Industrial Buildings, Aug 2025–Jul 2026

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Healtheon, Inc. Top agencies Navy (Department of the Navy)	$11,796,660	9.0%	Rank history: not on the FY2021–FY2024 lists and #3 in FY2025; new, not ranked in Aug 2024–Jul 2025.
2	Ciri Development Corporation 2 awardees, including North Wind General Contractors LLC and North Wind Construction Services LLC Top agencies DOE (Department of Energy) USAF (Department of the Air Force)	$5,851,888	4.5%	Rank history: not on the FY2021–FY2024 lists and #17 in FY2025; new, not ranked in Aug 2024–Jul 2025.
3	Milton J Wood Company Through Milton J. Wood Fire Protection, Inc. Top agencies Navy (Department of the Navy)	$5,745,200	4.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
4	JVR LLC Top agencies Navy (Department of the Navy)	$5,575,229	4.3%	Rank history: not on the FY2021–FY2024 lists and #20 in FY2025; new, not ranked in Aug 2024–Jul 2025.
5	Wolverine Fire Protection Co Top agencies Navy (Department of the Navy)	$5,072,220	3.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
6	Fujimoto Kensetsu, KK Top agencies USAF (Department of the Air Force)	$4,559,689	3.5%	Rank history: not on the FY2021–FY2024 lists and #5 in FY2025; new, not ranked in Aug 2024–Jul 2025.
7	Vanar Eastern Jv1, LLC Top agencies DLA (Defense Logistics Agency)	$4,484,928	3.4%	Rank history: not on the FY2021–FY2024 lists and #4 in FY2025; new, not ranked in Aug 2024–Jul 2025.
8	DCR Services & Construction Inc. Top agencies Navy (Department of the Navy)	$4,070,585	3.1%	Rank history: not on the FY2021–FY2024 lists and #6 in FY2025; new, not ranked in Aug 2024–Jul 2025.
9	The Aleut Corporation Through Aleut Building Company LLC Top agencies NASA (National Aeronautics and Space Administration)	$4,015,615	3.1%	Rank history: not on the FY2021–FY2024 lists and #53 in FY2025; new, not ranked in Aug 2024–Jul 2025.
10	A. West Enterprise, LLC Top agencies NASA (National Aeronautics and Space Administration)	$3,821,913	2.9%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2023, #86 in FY2024 and #16 in FY2025; up 13 since Aug 2024–Jul 2025.
11	Port Madison Construction Corporation Top agencies Navy (Department of the Navy)	$3,665,099	2.8%	Rank history: not on the FY2021–FY2023 lists, #16 in FY2024 and #11 in FY2025; up 46 since Aug 2024–Jul 2025.
12	Bristol Bay Native Corporation 4 awardees, including CCI Facility Support Services, LLC, CCI Prime Contractors, LLC and SES Construction and Fuel Services LLC Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$3,565,725	2.7%	Rank history: not on the FY2021–FY2024 lists and #1 in FY2025; up 87 since Aug 2024–Jul 2025.
13	Dsq-Api JV LLP Top agencies Navy (Department of the Navy)	$2,997,000	2.3%	Rank history: not on the FY2021–FY2024 lists and #13 in FY2025; new, not ranked in Aug 2024–Jul 2025.
14	TST Tactical Defense Solutions, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$2,920,193	2.2%	Rank history: not on the FY2021–FY2024 lists and #14 in FY2025; new, not ranked in Aug 2024–Jul 2025.
15	Kumsung Construction Co., Ltd. Top agencies USAF (Department of the Air Force)	$2,815,384	2.1%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; new, not ranked in Aug 2024–Jul 2025.
16	Benaka, Inc. Top agencies Army (Department of the Army)	$2,806,708	2.1%	Rank history: not on the FY2021 list, #1 in FY2022, #4 in FY2023, #12 in FY2024 and #2 in FY2025; down 13 since Aug 2024–Jul 2025.
17	P & W Construction Company, LLC Top agencies USAF (Department of the Air Force)	$2,359,978	1.8%	Rank history: not on the FY2021 list, #96 in FY2022, #21 in FY2023, not on the FY2024 list and #26 in FY2025; new, not ranked in Aug 2024–Jul 2025.
18	Chugach Alaska Corporation Through Chugach Solutions Enterprise, LLC Top agencies Navy (Department of the Navy)	$2,216,715	1.7%	Rank history: #50 in FY2021, #17 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
19	American Engineering Corporation Top agencies USAF (Department of the Air Force)	$2,127,692	1.6%	Rank history: not on the FY2021–FY2024 lists and #7 in FY2025; down 6 since Aug 2024–Jul 2025.
20	Polk & Associates Construction Inc. Top agencies Navy (Department of the Navy)	$2,022,808	1.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
21	Armitage SAI JV Top agencies Navy (Department of the Navy)	$1,945,437	1.5%	Rank history: not on the FY2021 list, #74 in FY2022, #26 in FY2023, #3 in FY2024 and #23 in FY2025; down 16 since Aug 2024–Jul 2025.
22	Aiko Enterprises, Inc. Top agencies Navy (Department of the Navy)	$1,780,881	1.4%	Rank history: not on the FY2021–FY2024 lists and #21 in FY2025; new, not ranked in Aug 2024–Jul 2025.
23	Olgoonik General, LLC Top agencies Army (Department of the Army)	$1,772,848	1.4%	Rank history: not on the FY2021–FY2023 lists, #15 in FY2024 and #71 in FY2025; down 8 since Aug 2024–Jul 2025.
24	RIO Vista Management LLC Top agencies Army (Department of the Army)	$1,414,364	1.1%	Rank history: not on the FY2021–FY2023 lists, #6 in FY2024 and #18 in FY2025; down 6 since Aug 2024–Jul 2025.
25	Lira Electric LLC Top agencies USAF (Department of the Air Force)	$1,376,549	1.0%	Rank history: not on the FY2021–FY2024 lists and #22 in FY2025; up 39 since Aug 2024–Jul 2025.
26	Core Engineering & Construction, Inc. Top agencies Navy (Department of the Navy)	$1,327,474	1.0%	Rank history: not on the FY2021–FY2024 lists and #24 in FY2025; new, not ranked in Aug 2024–Jul 2025.
27	Geranios Enterprises Inc. Top agencies USAF (Department of the Air Force)	$1,274,441	1.0%	Rank history: not on the FY2021–FY2025 lists; up 96 since Aug 2024–Jul 2025.
28	Ark Construction Management LLC Top agencies Army (Department of the Army)	$1,187,421	0.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
29	Hugus Inc. Top agencies Navy (Department of the Navy)	$1,151,547	0.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
30	Doyon Management Services, LLC Top agencies Navy (Department of the Navy)	$1,104,438	0.8%	Rank history: not on the FY2021–FY2024 lists and #27 in FY2025; new, not ranked in Aug 2024–Jul 2025.
31	Miami Nation Stronghold, LLC Top agencies USAF (Department of the Air Force)	$968,385	0.7%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
32	Krima Construction Corp. Top agencies Army (Department of the Army)	$947,341	0.7%	Rank history: not on the FY2021–FY2022 lists, #6 in FY2023, #46 in FY2024 and #34 in FY2025; up 31 since Aug 2024–Jul 2025.
33	The Plumbing Shop, Inc. Top agencies Navy (Department of the Navy)	$897,569	0.7%	Rank history: not on the FY2021–FY2024 lists and #31 in FY2025; new, not ranked in Aug 2024–Jul 2025.
34	Kanagawa Nabco Pty. Ltd. Top agencies Army (Department of the Army)	$804,299	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
35	Serena Construction LLC Top agencies Navy (Department of the Navy)	$791,549	0.6%	Rank history: #71 in FY2021, #44 in FY2022, not on the FY2023 list, #80 in FY2024 and #92 in FY2025; up 30 since Aug 2024–Jul 2025.
36	Lucianos Excavation Inc. Top agencies Navy (Department of the Navy)	$735,604	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
37	Bbix LLC Top agencies USAF (Department of the Air Force)	$713,019	0.5%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; up 24 since Aug 2024–Jul 2025.
38	Alfaro General Engineering Top agencies Navy (Department of the Navy)	$710,559	0.5%	Rank history: not on the FY2021–FY2024 lists and #38 in FY2025; new, not ranked in Aug 2024–Jul 2025.
39	G E A Builders Inc. Top agencies DHS (Department of Homeland Security)	$702,619	0.5%	Rank history: not on the FY2021–FY2024 lists and #49 in FY2025; new, not ranked in Aug 2024–Jul 2025.
40	Mig Gov, LLC Top agencies Navy (Department of the Navy)	$696,688	0.5%	Rank history: not on the FY2021 list, #66 in FY2022, not on the FY2023–FY2024 lists and #12 in FY2025; down 18 since Aug 2024–Jul 2025.
41	Nadiad Inc. Top agencies Navy (Department of the Navy)	$672,912	0.5%	Rank history: not on the FY2021–FY2023 lists, #90 in FY2024 and #39 in FY2025; up 94 since Aug 2024–Jul 2025.
42	Drew Investment Group, LLC Top agencies Army (Department of the Army)	$672,515	0.5%	Rank history: not on the FY2021–FY2024 lists and #40 in FY2025; new, not ranked in Aug 2024–Jul 2025.
43	Apex Mechanical LLC Top agencies USAF (Department of the Air Force)	$631,899	0.5%	Rank history: not on the FY2021–FY2024 lists and #42 in FY2025; new, not ranked in Aug 2024–Jul 2025.
44	Blue Trident - Newton JV2 Top agencies Navy (Department of the Navy)	$626,825	0.5%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; new, not ranked in Aug 2024–Jul 2025.
45	Ohno Jyuden Doboku Co., Ltd. Top agencies Army (Department of the Army)	$597,575	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
46	Lakota Solutions LLC Top agencies Navy (Department of the Navy)	$553,216	0.4%	Rank history: not on the FY2021–FY2024 lists and #48 in FY2025; new, not ranked in Aug 2024–Jul 2025.
47	D&D Construction Inc. Top agencies Navy (Department of the Navy)	$538,000	0.4%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; up 57 since Aug 2024–Jul 2025.
48	Thunder River Construction LLC Top agencies DOE (Department of Energy)	$534,921	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
49	Benecorp Inc. Top agencies Navy (Department of the Navy)	$509,003	0.4%	Rank history: not on the FY2021–FY2024 lists and #52 in FY2025; new, not ranked in Aug 2024–Jul 2025.
50	Etolin Strait Associates LLC Top agencies Navy (Department of the Navy)	$424,974	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
51	Armitage Architecture Inc. Top agencies Navy (Department of the Navy)	$412,510	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
52	Four Thirteen Incorporated Top agencies Army (Department of the Army)	$391,400	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
53	Wright Contracting, Inc. Top agencies USAF (Department of the Air Force)	$373,163	0.3%	Rank history: #4 in FY2021, #3 in FY2022, #14 in FY2023, #53 in FY2024 and #8 in FY2025; down 41 since Aug 2024–Jul 2025.
54	Capitol United Solutions Inc. Top agencies Navy (Department of the Navy)	$372,625	0.3%	Rank history: not on the FY2021–FY2024 lists and #59 in FY2025; new, not ranked in Aug 2024–Jul 2025.
55	Wadsworth Builders Co Inc. Top agencies USAF (Department of the Air Force)	$372,087	0.3%	Rank history: not on the FY2021–FY2023 lists, #7 in FY2024 and #32 in FY2025; down 15 since Aug 2024–Jul 2025.
56	Macnak Construction LLC Top agencies DHS (Department of Homeland Security)	$356,234	0.3%	Rank history: #73 in FY2021, not on the FY2022 list, #69 in FY2023, #9 in FY2024 and #82 in FY2025; up 45 since Aug 2024–Jul 2025.
57	M.j. Takisaki, Inc. Top agencies USAF (Department of the Air Force)	$338,476	0.3%	Rank history: not on the FY2021 list, #4 in FY2022, #55 in FY2023, #51 in FY2024 and #35 in FY2025; down 22 since Aug 2024–Jul 2025.
58	Best Value Management, LLC Top agencies Navy (Department of the Navy)	$316,239	0.2%	Rank history: not on the FY2021–FY2023 lists, #60 in FY2024 and #65 in FY2025; up 2 since Aug 2024–Jul 2025.
59	The Oak Group, Inc. Top agencies Army (Department of the Army)	$314,097	0.2%	Rank history: not on the FY2021–FY2023 lists, #84 in FY2024 and #63 in FY2025; new, not ranked in Aug 2024–Jul 2025.
60	Swan Contracting LLC Top agencies Navy (Department of the Navy)	$309,504	0.2%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023, #48 in FY2024 and #45 in FY2025; down 14 since Aug 2024–Jul 2025.
61	Baron Communications Incorporated Top agencies Navy (Department of the Navy)	$306,209	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
62	T&B Painting Co Inc. Top agencies Army (Department of the Army)	$279,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023, #24 in FY2024 and #68 in FY2025; down 42 since Aug 2024–Jul 2025.
63	Excell Construction Corp Top agencies Navy (Department of the Navy)	$276,672	0.2%	Rank history: not on the FY2021–FY2023 lists, #27 in FY2024 and #60 in FY2025; down 12 since Aug 2024–Jul 2025.
64	Amentum Holdings, Inc. Through Amentum Technology, Inc. Top agencies Navy (Department of the Navy)	$264,626	0.2%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; down 8 since Aug 2024–Jul 2025.
65	Liberty Electric Inc. Top agencies HHS (Department of Health and Human Services)	$263,841	0.2%	Rank history: not on the FY2021–FY2023 lists, #63 in FY2024 and #85 in FY2025; up 8 since Aug 2024–Jul 2025.
66	Epernay Design & Construction LLC Top agencies VA (Department of Veterans Affairs)	$245,498	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
67	Serrano Construction and Development Corp. Top agencies Navy (Department of the Navy)	$241,882	0.2%	Rank history: #17 in FY2021, not on the FY2022–FY2023 lists, #71 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
68	Mastercraft Mechanical Contractors, Inc. Top agencies Navy (Department of the Navy)	$240,595	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
69	Acco Engineered Systems, Inc. Top agencies Navy (Department of the Navy)	$228,861	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
70	8-Koi Inc. Top agencies Navy (Department of the Navy)	$226,737	0.2%	Rank history: not on the FY2021–FY2024 lists and #76 in FY2025; new, not ranked in Aug 2024–Jul 2025.
71	Midnight Sun-Centennial Kirratchiaq JV, LLC Top agencies USAF (Department of the Air Force)	$222,613	0.2%	Rank history: not on the FY2021 list, #56 in FY2022, #56 in FY2023, not on the FY2024 list and #75 in FY2025; up 65 since Aug 2024–Jul 2025.
72	Kekolu Contracting, LLC Top agencies Navy (Department of the Navy)	$216,063	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
73	Senate Builders & Construction Managers, Inc. Top agencies Army (Department of the Army)	$186,364	0.1%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2023, #2 in FY2024 and #62 in FY2025; down 71 since Aug 2024–Jul 2025.
74	Hhrbi JV Top agencies DHS (Department of Homeland Security)	$180,924	0.1%	Rank history: #10 in FY2021, #67 in FY2022, not on the FY2023–FY2024 lists and #83 in FY2025; new, not ranked in Aug 2024–Jul 2025.
75	L & J Building Company LLC Top agencies Navy (Department of the Navy)	$162,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
76	Platinum Contracting Services Top agencies Navy (Department of the Navy)	$159,993	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
77	Mckenzie Construction & Site Development LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$158,006	0.1%	Rank history: not on the FY2021–FY2023 lists, #14 in FY2024 and not on the FY2025 list; down 69 since Aug 2024–Jul 2025.
78	M&K General Contractors Inc. Top agencies Navy (Department of the Navy)	$155,184	0.1%	Rank history: not on the FY2021–FY2023 lists, #91 in FY2024 and #87 in FY2025; up 12 since Aug 2024–Jul 2025.
79	MX Construction, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$153,845	0.1%	Rank history: not on the FY2021–FY2023 lists, #17 in FY2024 and #79 in FY2025; down 69 since Aug 2024–Jul 2025.
80	J G Contracting Top agencies USAF (Department of the Air Force)	$152,228	0.1%	Rank history: #18 in FY2021, #73 in FY2022, not on the FY2023 list, #39 in FY2024 and #81 in FY2025; down 50 since Aug 2024–Jul 2025.
81	HD Inc. Top agencies HHS (Department of Health and Human Services)	$150,000	0.1%	Rank history: not on the FY2021–FY2024 lists and #89 in FY2025; new, not ranked in Aug 2024–Jul 2025.
82	Turner Remodeling, Inc. Top agencies HHS (Department of Health and Human Services)	$150,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023, #52 in FY2024 and #54 in FY2025; down 43 since Aug 2024–Jul 2025.
83	4 G Plumbing and Heating, Inc. Top agencies HHS (Department of Health and Human Services)	$150,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023, #58 in FY2024 and #51 in FY2025; down 38 since Aug 2024–Jul 2025.
84	Diversified Construction of Oklahoma, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$147,497	0.1%	Rank history: not on the FY2021–FY2023 lists, #8 in FY2024 and #74 in FY2025; down 80 since Aug 2024–Jul 2025.
85	CMS Corporation Top agencies Navy (Department of the Navy)	$146,819	0.1%	Rank history: not on the FY2021 list, #10 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
86	L.j.v. Development, LLC Top agencies Navy (Department of the Navy)	$143,950	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
87	Sociedad Espanola De Montajes Industriales SA Top agencies Navy (Department of the Navy)	$134,098	0.1%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; down 55 since Aug 2024–Jul 2025.
88	Castellano Cobra Ute Macc Ley 18-1982 Top agencies Navy (Department of the Navy)	$127,539	0.1%	Rank history: not on the FY2021–FY2023 lists, #28 in FY2024 and #90 in FY2025; down 67 since Aug 2024–Jul 2025.
89	Turner, Ramirez and Associates, Inc. Top agencies Army (Department of the Army)	$116,043	0.1%	Rank history: not on the FY2021–FY2024 lists and #28 in FY2025; down 55 since Aug 2024–Jul 2025.
90	Trane U.s. Inc. Top agencies Navy (Department of the Navy)	$107,566	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
91	M2 Engineering, LLC Top agencies DHS (Department of Homeland Security)	$104,273	0.1%	Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; new, not ranked in Aug 2024–Jul 2025.
92	JV SKE Italy 2012 Top agencies USAF (Department of the Air Force)	$102,714	0.1%	Rank history: not on the FY2021–FY2024 lists and #97 in FY2025; new, not ranked in Aug 2024–Jul 2025.
93	Saw Contracting, Inc. Top agencies Army (Department of the Army)	$100,287	0.1%	Rank history: not on the FY2021–FY2024 lists and #9 in FY2025; down 77 since Aug 2024–Jul 2025.
94	Tridon Corporation Top agencies DHS (Department of Homeland Security)	$98,035	0.1%	Rank history: not on the FY2021–FY2023 lists, #25 in FY2024 and #98 in FY2025; new, not ranked in Aug 2024–Jul 2025.
95	Defender Contracting & Construction LLC Top agencies USAF (Department of the Air Force)	$91,120	0.1%	Rank history: not on the FY2021–FY2023 lists, #83 in FY2024 and not on the FY2025 list; down 15 since Aug 2024–Jul 2025.
96	Advon Corporation Top agencies NASA (National Aeronautics and Space Administration)	$87,116	0.1%	Rank history: not on the FY2021–FY2023 lists, #11 in FY2024 and #72 in FY2025; down 43 since Aug 2024–Jul 2025.
97	Blue Construction Services LLC Top agencies Navy (Department of the Navy)	$84,150	0.1%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; up 9 since Aug 2024–Jul 2025.
98	Dream Design & Construction, Inc. Top agencies Navy (Department of the Navy)	$79,382	0.1%	Rank history: not on the FY2021–FY2023 lists, #37 in FY2024 and #56 in FY2025; down 69 since Aug 2024–Jul 2025.
99	Imperial Construction NW LLC Top agencies USAF (Department of the Air Force)	$77,768	0.1%	Rank history: #72 in FY2021, #98 in FY2022, not on the FY2023 list, #89 in FY2024 and #67 in FY2025; down 17 since Aug 2024–Jul 2025.
100	Vision Contracting Inc. Top agencies Army (Department of the Army)	$64,382	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.

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 $131 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. 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.
• 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 Aug 2024–Jul 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