Top 100 Contractors in PSC 6115: Generators and Generator Sets, Electrical, Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC 6115: Generators and Generator Sets, Electrical, 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 83% of PSC 6115 contract dollars from July 2025 through June 2026

Contract obligations: $415,236,693 Net of deobligations, by contracts coded PSC 6115
Contractors: 313 Parent companies with an obligation
Largest contractor: Cummins Inc. $167 million, 38.4% 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	Cummins Inc. 4 awardees, including Cummins Power Generation Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$166,990,600	38.4%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since Jul 2024–Jun 2025.
2	RTX Corporation 5 awardees, including Hamilton Sundstrand Corporation and Intertrade Limited Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$63,859,149	14.7%	Rank history: #7 in FY2021, #5 in FY2022, #10 in FY2023, #2 in FY2024 and #3 in FY2025; unchanged since Jul 2024–Jun 2025.
3	General Electric Company 3 awardees, including GE Aviation Systems LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$28,976,219	6.7%	Rank history: #3 in FY2021, #4 in FY2022, #7 in FY2023, #10 in FY2024 and #7 in FY2025; up 3 since Jul 2024–Jun 2025.
4	PD Power Systems, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$27,015,094	6.2%	Rank history: #2 in FY2021, #3 in FY2022, #8 in FY2023, #3 in FY2024 and #2 in FY2025; up 6 since Jul 2024–Jun 2025.
5	Vincorion LLC Top agencies Army (Department of the Army)	$19,649,213	4.5%	Rank history: not on the FY2021–FY2024 lists and #9 in FY2025; up 7 since Jul 2024–Jun 2025.
6	J & J Mechanical and Construction Group LLC Top agencies VA (Department of Veterans Affairs)	$19,216,000	4.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
7	Discovery Energy, LLC Top agencies DOT (Department of Transportation)	$14,590,497	3.4%	Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; up 7 since Jul 2024–Jun 2025.
8	Haskell Corp Top agencies USAF (Department of the Air Force)	$14,199,275	3.3%	Rank history: not on the FY2021–FY2024 lists and #4 in FY2025; new, not ranked in Jul 2024–Jun 2025.
9	Boneal, Incorporated Top agencies USAF (Department of the Air Force)	$5,193,097	1.2%	Rank history: not on the FY2021 list, #14 in FY2022, #12 in FY2023, not on the FY2024 list and #25 in FY2025; up 23 since Jul 2024–Jun 2025.
10	Honeywell International Inc. 4 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$3,053,011	0.7%	Rank history: #25 in FY2021, #2 in FY2022, #6 in FY2023, #24 in FY2024 and #12 in FY2025; up 11 since Jul 2024–Jun 2025.
11	Fairwinds Technologies LLC Top agencies DLA (Defense Logistics Agency)	$2,767,216	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
12	Triman Industries Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,765,027	0.6%	Rank history: #57 in FY2021, #33 in FY2022, #29 in FY2023, #25 in FY2024 and #11 in FY2025; up 3 since Jul 2024–Jun 2025.
13	Quinn Group Inc. 2 awardees, including Quinn Company Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$2,745,385	0.6%	Rank history: not on the FY2021–FY2025 lists; up 200 since Jul 2024–Jun 2025.
14	Novatio Engineering Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,209,888	0.5%	Rank history: not on the FY2021–FY2023 lists, #17 in FY2024 and #5 in FY2025; down 7 since Jul 2024–Jun 2025.
15	SAFRAN Through Safran Electrical & Power UK Ltd Top agencies USAF (Department of the Air Force)	$2,101,549	0.5%	Rank history: not on the FY2021–FY2023 lists, #22 in FY2024 and not on the FY2025 list; up 2 since Jul 2024–Jun 2025.
16	Veterans Electrical Group LLC Top agencies Army (Department of the Army)	$2,093,099	0.5%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2023, not on the FY2024 list and #14 in FY2025; up 165 since Jul 2024–Jun 2025.
17	Silver Lake Kenmar JV LLC Top agencies USAF (Department of the Air Force)	$2,087,304	0.5%	Rank history: not on the FY2021–FY2023 lists, #28 in FY2024 and #22 in FY2025; up 9 since Jul 2024–Jun 2025.
18	Artemis Electronics LLC Top agencies Army (Department of the Army)	$1,923,589	0.4%	Rank history: #55 in FY2021, not on the FY2022–FY2023 lists, #13 in FY2024 and not on the FY2025 list; up 175 since Jul 2024–Jun 2025.
19	Aviation Ground Equipment Corp Top agencies USAF (Department of the Air Force)	$1,798,320	0.4%	Rank history: #32 in FY2021, not on the FY2022 list, #2 in FY2023, #4 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
20	Jaxon Engineering and Maintenance LLC Top agencies Army (Department of the Army)	$1,683,599	0.4%	Rank history: not on the FY2021–FY2024 lists and #17 in FY2025; new, not ranked in Jul 2024–Jun 2025.
21	Cebuana Construction Inc Top agencies Commerce (Department of Commerce)	$1,595,319	0.4%	Rank history: not on the FY2021–FY2024 lists and #20 in FY2025; new, not ranked in Jul 2024–Jun 2025.
22	Essex Electro Engineers Inc. Top agencies Navy (Department of the Navy)	$1,431,233	0.3%	Rank history: #11 in FY2021, #34 in FY2022, #3 in FY2023, #6 in FY2024 and #8 in FY2025; down 14 since Jul 2024–Jun 2025.
23	Siemens Corporation Through Siemens Energy, Inc. Top agencies Navy (Department of the Navy)	$1,423,217	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
24	C E Niehoff & Co Top agencies DLA (Defense Logistics Agency)	$1,306,715	0.3%	Rank history: #74 in FY2021, #12 in FY2022, #19 in FY2023, #11 in FY2024 and #13 in FY2025; down 13 since Jul 2024–Jun 2025.
25	Grimes Aerospace Company 3 awardees, including Honeywell International, Inc. Top agencies DLA (Defense Logistics Agency)	$1,190,343	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
26	B3 Construction, Inc. Top agencies DHS (Department of Homeland Security)	$981,391	0.2%	Rank history: not on the FY2021–FY2024 lists and #28 in FY2025; new, not ranked in Jul 2024–Jun 2025.
27	Atap Inc. Top agencies USAF (Department of the Air Force)	$966,756	0.2%	Rank history: not on the FY2021–FY2023 lists, #14 in FY2024 and #26 in FY2025; up 229 since Jul 2024–Jun 2025.
28	Puckett Machinery Company Top agencies DHS (Department of Homeland Security)	$877,725	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
29	Power Systems West LLC Top agencies Army (Department of the Army)	$829,004	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
30	Native Instinct LLC Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation) USDA (Department of Agriculture)	$810,932	0.2%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023, #42 in FY2024 and #79 in FY2025; up 31 since Jul 2024–Jun 2025.
31	Aviation Defense Service Through Airbus DS Military Aircraft, Inc. Top agencies DHS (Department of Homeland Security)	$809,423	0.2%	Rank history: not on the FY2021–FY2025 lists; up 88 since Jul 2024–Jun 2025.
32	S3 Aerodefense LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$764,889	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
33	Gaven Industries Inc. Top agencies Navy (Department of the Navy)	$764,750	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
34	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$758,646	0.2%	Rank history: not on the FY2021–FY2025 lists; up 125 since Jul 2024–Jun 2025.
35	Caterpillar Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$730,760	0.2%	Rank history: #18 in FY2021, #6 in FY2022, #16 in FY2023, not on the FY2024 list and #75 in FY2025; up 45 since Jul 2024–Jun 2025.
36	MCM Engineering, Inc. Top agencies Navy (Department of the Navy)	$650,000	0.1%	Rank history: not on the FY2021–FY2023 lists, #46 in FY2024 and #34 in FY2025; new, not ranked in Jul 2024–Jun 2025.
37	Textron Inc. Through Bell Textron Inc. Top agencies Navy (Department of the Navy)	$624,641	0.1%	Rank history: not on the FY2021 list, #58 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
38	Zeller Technologies, Inc. Top agencies Army (Department of the Army)	$623,950	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
39	Supplycore LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$618,622	0.1%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2023 and not on the FY2024–FY2025 lists; up 102 since Jul 2024–Jun 2025.
40	H & H Marine Services, Inc. Top agencies Army (Department of the Army)	$607,665	0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023, not on the FY2024 list and #35 in FY2025; new, not ranked in Jul 2024–Jun 2025.
41	Reliance Team Joint Venture LLC Top agencies USAF (Department of the Air Force)	$597,504	0.1%	Rank history: not on the FY2021 list, #11 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
42	Har-Per Sales Solutions Inc. Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$589,660	0.1%	Rank history: #35 in FY2021, #32 in FY2022, not on the FY2023 list, #64 in FY2024 and #70 in FY2025; up 24 since Jul 2024–Jun 2025.
43	Cummins Kuwait Electrical Tools & Equipment Trading & Contracting WLL Top agencies USAF (Department of the Air Force)	$564,565	0.1%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2023, not on the FY2024 list and #77 in FY2025; new, not ranked in Jul 2024–Jun 2025.
44	Federal Contracts LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) WHS (DOD Washington Headquarters Service)	$512,062	0.1%	Rank history: #9 in FY2021, #22 in FY2022, #18 in FY2023, #31 in FY2024 and #31 in FY2025; down 14 since Jul 2024–Jun 2025.
45	Togiak Logistics Services, LLC Top agencies Army (Department of the Army)	$497,833	0.1%	Rank history: not on the FY2021–FY2023 lists, #9 in FY2024 and #41 in FY2025; down 40 since Jul 2024–Jun 2025.
46	Aviate Enterprises, Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$493,929	0.1%	Rank history: not on the FY2021–FY2024 lists and #95 in FY2025; up 88 since Jul 2024–Jun 2025.
47	Greenberry Industrial LLC Through Multiquip Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$493,153	0.1%	Rank history: not on the FY2021–FY2024 lists and #64 in FY2025; new, not ranked in Jul 2024–Jun 2025.
48	Imperial Electrical Contracting, LLC Top agencies USAF (Department of the Air Force)	$489,403	0.1%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; new, not ranked in Jul 2024–Jun 2025.
49	Govage, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$483,471	0.1%	Rank history: #76 in FY2021, #21 in FY2022, not on the FY2023–FY2024 lists and #45 in FY2025; up 77 since Jul 2024–Jun 2025.
50	Klaus Becker GMBH Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$450,412	0.1%	Rank history: not on the FY2021–FY2024 lists and #49 in FY2025; up 85 since Jul 2024–Jun 2025.
51	Ready Power L.L.C. Top agencies DOI (Department of the Interior)	$425,463	0.1%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; up 151 since Jul 2024–Jun 2025.
52	Tribus Energies LLC Top agencies USAF (Department of the Air Force)	$419,800	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
53	Americas Generators, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$412,825	0.1%	Rank history: #29 in FY2021, #92 in FY2022, #44 in FY2023, not on the FY2024 list and #67 in FY2025; up 54 since Jul 2024–Jun 2025.
54	A3 Systems Corporation Top agencies DHS (Department of Homeland Security)	$389,039	0.1%	Rank history: not on the FY2021–FY2024 lists and #52 in FY2025; up 67 since Jul 2024–Jun 2025.
55	Eola Power LLC Top agencies WHS (DOD Washington Headquarters Service)	$369,617	0.1%	Rank history: not on the FY2021–FY2024 lists and #54 in FY2025; new, not ranked in Jul 2024–Jun 2025.
56	Pars Consulting Engineers, Inc. Top agencies DHS (Department of Homeland Security)	$357,055	0.1%	Rank history: not on the FY2021–FY2024 lists and #55 in FY2025; new, not ranked in Jul 2024–Jun 2025.
57	ECI Defense Group, Inc. Top agencies Navy (Department of the Navy)	$347,081	0.1%	Rank history: #89 in FY2021, #59 in FY2022, not on the FY2023–FY2024 lists and #56 in FY2025; new, not ranked in Jul 2024–Jun 2025.
58	Lockheed Martin Corporation Through Sikorsky Aircraft Corporation Top agencies Navy (Department of the Navy)	$332,853	0.1%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2023, #16 in FY2024 and #59 in FY2025; up 6 since Jul 2024–Jun 2025.
59	Proton Energy Systems Inc. Top agencies Commerce (Department of Commerce)	$331,970	0.1%	Rank history: not on the FY2021–FY2024 lists and #61 in FY2025; new, not ranked in Jul 2024–Jun 2025.
60	Arhab LLC Top agencies VA (Department of Veterans Affairs) USDA (Department of Agriculture) USAF (Department of the Air Force)	$327,197	0.1%	Rank history: not on the FY2021–FY2024 lists and #73 in FY2025; new, not ranked in Jul 2024–Jun 2025.
61	Mobile Electric Power Solutions, Inc. Top agencies DHS (Department of Homeland Security)	$309,670	0.1%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; down 42 since Jul 2024–Jun 2025.
62	Okhan GUR Top agencies Army (Department of the Army)	$307,143	0.1%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; new, not ranked in Jul 2024–Jun 2025.
63	Power Up Electric Top agencies DOI (Department of the Interior)	$301,755	0.1%	Rank history: not on the FY2021–FY2024 lists and #68 in FY2025; new, not ranked in Jul 2024–Jun 2025.
64	BNC Corp. Top agencies Navy (Department of the Navy)	$298,628	0.1%	Rank history: not on the FY2021–FY2025 lists; up 100 since Jul 2024–Jun 2025.
65	Copa GSE LLC Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$293,510	0.1%	Rank history: not on the FY2021–FY2023 lists, #57 in FY2024 and #72 in FY2025; down 9 since Jul 2024–Jun 2025.
66	Datacom Solutions Inc. Top agencies Navy (Department of the Navy)	$293,013	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
67	Technical Communities, Inc. Top agencies Navy (Department of the Navy)	$292,705	0.1%	Rank history: not on the FY2021 list, #43 in FY2022, not on the FY2023–FY2024 lists and #69 in FY2025; new, not ranked in Jul 2024–Jun 2025.
68	Govcrest Inc. Top agencies USAF (Department of the Air Force)	$282,190	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
69	Generac Holdings Inc. Through Generac Power Systems, Inc. Top agencies DHS (Department of Homeland Security) USDA (Department of Agriculture)	$281,989	0.1%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023, not on the FY2024 list and #66 in FY2025; up 74 since Jul 2024–Jun 2025.
70	Industrial Heat Transfer, Inc. Top agencies DLA (Defense Logistics Agency)	$276,340	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
71	Hawthorne Machinery Co. Top agencies Navy (Department of the Navy)	$274,666	0.1%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2023, #15 in FY2024 and #74 in FY2025; new, not ranked in Jul 2024–Jun 2025.
72	Coffman Electrical Equipment Co. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$272,935	0.1%	Rank history: #34 in FY2021, #39 in FY2022, #25 in FY2023, #47 in FY2024 and #51 in FY2025; down 18 since Jul 2024–Jun 2025.
73	Carter Machinery Company, Incorporated 2 awardees Top agencies DOS (Department of State) DHS (Department of Homeland Security) Navy (Department of the Navy)	$259,876	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023, not on the FY2024 list and #71 in FY2025; up 36 since Jul 2024–Jun 2025.
74	NGH Retail LLC Top agencies DLA (Defense Logistics Agency)	$253,725	0.1%	Rank history: not on the FY2021 list, #89 in FY2022, #39 in FY2023, not on the FY2024 list and #46 in FY2025; down 17 since Jul 2024–Jun 2025.
75	Kijero, LLC Top agencies USAF (Department of the Air Force)	$249,824	0.1%	Rank history: not on the FY2021–FY2023 lists, #76 in FY2024 and #76 in FY2025; down 1 since Jul 2024–Jun 2025.
76	CV International, Inc. Top agencies USAF (Department of the Air Force)	$242,672	0.1%	Rank history: #82 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
77	AMT Servis Lojistik Ithalat Ihracat Sanayi VE Ticaret Limited Sirketi Top agencies USAF (Department of the Air Force)	$236,600	0.1%	Rank history: not on the FY2021–FY2024 lists and #81 in FY2025; new, not ranked in Jul 2024–Jun 2025.
78	Stateline Solution LLC Top agencies USAF (Department of the Air Force)	$229,886	0.1%	Rank history: not on the FY2021–FY2024 lists and #82 in FY2025; new, not ranked in Jul 2024–Jun 2025.
79	Herc Holdings Inc. Through Herc Rentals Inc. Top agencies DOJ (Department of Justice)	$228,596	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
80	Tower Facility Management, LLC Top agencies VA (Department of Veterans Affairs)	$220,049	0.1%	Rank history: not on the FY2021 list, #47 in FY2022, #48 in FY2023, #79 in FY2024 and #84 in FY2025; down 2 since Jul 2024–Jun 2025.
81	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$218,616	0.1%	Rank history: not on the FY2021–FY2025 lists; up 187 since Jul 2024–Jun 2025.
82	Marathon Electric LLC Top agencies Navy (Department of the Navy)	$217,823	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
83	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$217,526	0.1%	Rank history: not on the FY2021–FY2025 lists; up 32 since Jul 2024–Jun 2025.
84	United Rentals (North America), Inc. Top agencies Navy (Department of the Navy)	$214,693	<0.1%	Rank history: not on the FY2021–FY2023 lists, #54 in FY2024 and #44 in FY2025; down 45 since Jul 2024–Jun 2025.
85	Adam N Eve Safety LLC Top agencies Army (Department of the Army) DOI (Department of the Interior)	$185,697	<0.1%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; new, not ranked in Jul 2024–Jun 2025.
86	FSR Consulting LLC Top agencies DHS (Department of Homeland Security) USDA (Department of Agriculture)	$184,847	<0.1%	Rank history: not on the FY2021–FY2023 lists, #96 in FY2024 and #88 in FY2025; new, not ranked in Jul 2024–Jun 2025.
87	Vanair Manufacturing Inc. Top agencies Navy (Department of the Navy)	$179,975	<0.1%	Rank history: #41 in FY2021, #19 in FY2022, not on the FY2023 list, #40 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
88	Gilbert Sons Electric LLC Top agencies HHS (Department of Health and Human Services)	$176,871	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 170 since Jul 2024–Jun 2025.
89	Aviation Procurement Systems, LLC Top agencies DLA (Defense Logistics Agency)	$174,303	<0.1%	Rank history: not on the FY2021–FY2024 lists and #48 in FY2025; down 22 since Jul 2024–Jun 2025.
90	Bramhall & Goldberg, Limited Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$161,614	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 191 since Jul 2024–Jun 2025.
91	Hallpass Capital Inc. Top agencies DOJ (Department of Justice)	$155,690	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
92	Zitec, Inc. Top agencies USAF (Department of the Air Force)	$155,575	<0.1%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; new, not ranked in Jul 2024–Jun 2025.
93	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$154,370	<0.1%	Rank history: #67 in FY2021, #79 in FY2022, not on the FY2023 list, #81 in FY2024 and #98 in FY2025; down 16 since Jul 2024–Jun 2025.
94	Air Shelters USA LLC Top agencies USAF (Department of the Air Force)	$153,460	<0.1%	Rank history: not on the FY2021–FY2024 lists and #93 in FY2025; new, not ranked in Jul 2024–Jun 2025.
95	Helicopter Services, Inc. Top agencies Army (Department of the Army)	$148,978	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
96	Blue Group LLC Top agencies DLA (Defense Logistics Agency)	$141,703	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
97	Winn-Marion Barber LLC Top agencies DOI (Department of the Interior)	$140,139	<0.1%	Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; new, not ranked in Jul 2024–Jun 2025.
98	South-Tek Systems, LLC Top agencies Navy (Department of the Navy)	$138,005	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
99	Lighting Technology, Inc. Top agencies USAF (Department of the Air Force)	$137,555	<0.1%	Rank history: not on the FY2021 list, #72 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
100	Bitting Electric, Inc. Top agencies VA (Department of Veterans Affairs)	$135,335	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.

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100 of 313 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 $435 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.
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 6115 contractors in Jul 2025–Jun 2026?

1. Cummins Inc. ($167M), 2. RTX Corporation ($63.9M), 3. General Electric Company ($29M), 4. PD Power Systems, LLC ($27M), 5. Vincorion LLC ($19.6M), 6. J & J Mechanical and Construction Group LLC ($19.2M), 7. Discovery Energy, LLC ($14.6M), 8. Haskell Corp ($14.2M), 9. Boneal, Incorporated ($5.19M), 10. Honeywell International Inc. ($3.05M).

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