Top 100 Contractors in PSC 4540: Waste Disposal Equipment, Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC 4540: Waste Disposal Equipment, 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 67% of PSC 4540 contract dollars from July 2025 through June 2026

Contract obligations: $17,202,703 Net of deobligations, by contracts coded PSC 4540
Contractors: 151 Parent companies with an obligation
Largest contractor: Flightfab, Inc. $5.13 million, 27.9% 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	Flightfab, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,132,560	27.9%	Rank history: #6 in FY2021, #2 in FY2022, #1 in FY2023, #2 in FY2024 and #1 in FY2025; up 1 since Jul 2024–Jun 2025.
2	Advanced Technology International Top agencies Navy (Department of the Navy)	$3,428,231	18.6%	Rank history: not on the FY2021–FY2024 lists and #5 in FY2025; new, not ranked in Jul 2024–Jun 2025.
3	Vantex Service Corporation Top agencies Army (Department of the Army)	$1,011,817	5.5%	Rank history: #3 in FY2021, #4 in FY2022, #6 in FY2023, #4 in FY2024 and #3 in FY2025; up 1 since Jul 2024–Jun 2025.
4	D'S Ventures, LLC Top agencies HHS (Department of Health and Human Services)	$580,000	3.2%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
5	R P M Supply Corporation Top agencies DLA (Defense Logistics Agency)	$492,166	2.7%	Rank history: #31 in FY2021, #52 in FY2022, #14 in FY2023, #52 in FY2024 and #36 in FY2025; up 32 since Jul 2024–Jun 2025.
6	RTX Corporation 2 awardees, including Hamilton Sundstrand Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$415,967	2.3%	Rank history: #29 in FY2021, #77 in FY2022, #39 in FY2023, #42 in FY2024 and #51 in FY2025; up 27 since Jul 2024–Jun 2025.
7	Air Burners, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$347,783	1.9%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2023, #21 in FY2024 and #9 in FY2025; new, not ranked in Jul 2024–Jun 2025.
8	United Site Services of Nevada, Inc. Top agencies Army (Department of the Army)	$311,546	1.7%	Rank history: not on the FY2021–FY2023 lists, #14 in FY2024 and #7 in FY2025; up 3 since Jul 2024–Jun 2025.
9	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$289,651	1.6%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023, #36 in FY2024 and #25 in FY2025; up 18 since Jul 2024–Jun 2025.
10	BIO Response Solutions Inc Top agencies Army (Department of the Army)	$288,332	1.6%	Rank history: not on the FY2021–FY2023 lists, #1 in FY2024 and not on the FY2025 list; down 9 since Jul 2024–Jun 2025.
11	Arctic Slope Regional Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$232,592	1.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
12	Federal Contracts LLC Top agencies Army (Department of the Army)	$218,520	1.2%	Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; new, not ranked in Jul 2024–Jun 2025.
13	Morning Star Industries Inc. Top agencies DOI (Department of the Interior)	$213,880	1.2%	Rank history: #11 in FY2021, not on the FY2022–FY2023 lists, #40 in FY2024 and #6 in FY2025; down 3 since Jul 2024–Jun 2025.
14	Reworld Solutions, LLC Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$188,253	1.0%	Rank history: not on the FY2021–FY2024 lists and #11 in FY2025; unchanged since Jul 2024–Jun 2025.
15	System High Corporation Top agencies USAF (Department of the Air Force)	$179,707	1.0%	Rank history: #45 in FY2021, not on the FY2022–FY2024 lists and #13 in FY2025; new, not ranked in Jul 2024–Jun 2025.
16	Compumeric Engineering, Inc. Top agencies DOI (Department of the Interior)	$179,617	1.0%	Rank history: #46 in FY2021, #65 in FY2022, #19 in FY2023, #13 in FY2024 and #18 in FY2025; up 18 since Jul 2024–Jun 2025.
17	F.k. Horn GMBH & Co. Kg-Bauunternehmung Top agencies USAF (Department of the Air Force)	$173,640	0.9%	Rank history: not on the FY2021–FY2024 lists and #14 in FY2025; new, not ranked in Jul 2024–Jun 2025.
18	Argo Turboserve Corporation Top agencies Navy (Department of the Navy)	$164,808	0.9%	Rank history: not on the FY2021 list, #76 in FY2022, not on the FY2023 list, #29 in FY2024 and not on the FY2025 list; up 57 since Jul 2024–Jun 2025.
19	WB Waste Solutions, LLC Top agencies National Gallery of Art	$163,018	0.9%	Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; up 2 since Jul 2024–Jun 2025.
20	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$143,540	0.8%	Rank history: not on the FY2021–FY2024 lists and #24 in FY2025; up 23 since Jul 2024–Jun 2025.
21	Bearicuda, Inc. Top agencies USAF (Department of the Air Force)	$129,976	0.7%	Rank history: not on the FY2021 list, #22 in FY2022, #16 in FY2023, #24 in FY2024 and #8 in FY2025; down 9 since Jul 2024–Jun 2025.
22	Ben's Cleaner Sales Inc. Top agencies Navy (Department of the Navy)	$118,624	0.6%	Rank history: not on the FY2021–FY2024 lists and #19 in FY2025; new, not ranked in Jul 2024–Jun 2025.
23	B & B Hose & Rubber Co., Inc. Top agencies Navy (Department of the Navy)	$100,600	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
24	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$96,218	0.5%	Rank history: #64 in FY2021, #88 in FY2022, #73 in FY2023, not on the FY2024 list and #20 in FY2025; up 5 since Jul 2024–Jun 2025.
25	Hamula MS LLC Top agencies Army (Department of the Army)	$91,392	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
26	Box Gang Manufacturing LLC Top agencies VA (Department of Veterans Affairs)	$90,188	0.5%	Rank history: #27 in FY2021, #12 in FY2022, not on the FY2023 list, #28 in FY2024 and #29 in FY2025; unchanged since Jul 2024–Jun 2025.
27	Pyrogenesis Inc. Top agencies Navy (Department of the Navy)	$84,408	0.5%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; new, not ranked in Jul 2024–Jun 2025.
28	S & G Enterprises Inc. Top agencies DLA (Defense Logistics Agency)	$83,757	0.5%	Rank history: #48 in FY2021, #25 in FY2022, not on the FY2023–FY2024 lists and #26 in FY2025; up 2 since Jul 2024–Jun 2025.
29	Save Again.com Top agencies USDA (Department of Agriculture)	$83,350	0.5%	Rank history: not on the FY2021–FY2024 lists and #31 in FY2025; new, not ranked in Jul 2024–Jun 2025.
30	Action Compaction Equipment LLC Top agencies DOJ (Department of Justice)	$80,956	0.4%	Rank history: #77 in FY2021, #37 in FY2022, not on the FY2023–FY2024 lists and #32 in FY2025; new, not ranked in Jul 2024–Jun 2025.
31	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$80,370	0.4%	Rank history: not on the FY2021–FY2023 lists, #77 in FY2024 and not on the FY2025 list; up 46 since Jul 2024–Jun 2025.
32	Todo Mauleg Top agencies USAF (Department of the Air Force)	$77,080	0.4%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; new, not ranked in Jul 2024–Jun 2025.
33	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$76,840	0.4%	Rank history: #39 in FY2021, not on the FY2022–FY2024 lists and #28 in FY2025; up 110 since Jul 2024–Jun 2025.
34	Seahorse Defense Supply, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$70,281	0.4%	Rank history: #53 in FY2021, not on the FY2022 list, #79 in FY2023, #67 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
35	Highland Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$69,786	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
36	Eleven Bravo Group, LLC Top agencies VA (Department of Veterans Affairs)	$68,588	0.4%	Rank history: not on the FY2021–FY2024 lists and #35 in FY2025; new, not ranked in Jul 2024–Jun 2025.
37	Westex Group, Inc. Top agencies Army (Department of the Army)	$64,500	0.4%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
38	Jo-Kell Inc. Top agencies DLA (Defense Logistics Agency)	$59,982	0.3%	Rank history: not on the FY2021–FY2023 lists, #31 in FY2024 and #21 in FY2025; down 19 since Jul 2024–Jun 2025.
39	Sems, Inc. Top agencies Army (Department of the Army)	$58,410	0.3%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; new, not ranked in Jul 2024–Jun 2025.
40	Waste Management Collection and Recycling Inc 2 awardees, including Waste Management of Texas, Inc. and Waste Management, Inc. of Tennessee Top agencies DOJ (Department of Justice)	$58,115	0.3%	Rank history: not on the FY2021–FY2023 lists, #49 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
41	Fuduric GMBH & Co. KG Top agencies USAF (Department of the Air Force)	$55,775	0.3%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023, #37 in FY2024 and #22 in FY2025; up 10 since Jul 2024–Jun 2025.
42	Babington Technology, Incorporated Top agencies DLA (Defense Logistics Agency)	$55,385	0.3%	Rank history: #76 in FY2021, not on the FY2022 list, #29 in FY2023, #55 in FY2024 and #43 in FY2025; up 19 since Jul 2024–Jun 2025.
43	It Vision Networks Inc. Top agencies DHS (Department of Homeland Security)	$55,323	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
44	DLA Aerospace LLC Top agencies DLA (Defense Logistics Agency)	$54,932	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
45	Great Falls Paper Company Top agencies DOJ (Department of Justice)	$54,155	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
46	The Electric Heater Co Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$50,961	0.3%	Rank history: not on the FY2021–FY2024 lists and #73 in FY2025; up 37 since Jul 2024–Jun 2025.
47	Seventh Genius LLC Top agencies USAF (Department of the Air Force)	$50,510	0.3%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; new, not ranked in Jul 2024–Jun 2025.
48	Flow International Corporation Top agencies Navy (Department of the Navy)	$46,968	0.3%	Rank history: not on the FY2021–FY2023 lists, #17 in FY2024 and #50 in FY2025; new, not ranked in Jul 2024–Jun 2025.
49	Victor Stanley, LLC Top agencies DOI (Department of the Interior)	$45,353	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
50	JWC Environmental Inc. Top agencies DOJ (Department of Justice)	$43,851	0.2%	Rank history: not on the FY2021–FY2024 lists and #49 in FY2025; up 30 since Jul 2024–Jun 2025.
51	Buicon General Trading FZE LLC Top agencies USAF (Department of the Air Force)	$41,996	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
52	Nazareth Trading and Equipment Rental Services Top agencies USAF (Department of the Air Force)	$40,707	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
53	Arhab LLC Top agencies Army (Department of the Army)	$39,933	0.2%	Rank history: not on the FY2021–FY2024 lists and #55 in FY2025; new, not ranked in Jul 2024–Jun 2025.
54	Wabash Consultants, LLC Top agencies USAF (Department of the Air Force)	$38,055	0.2%	Rank history: not on the FY2021–FY2024 lists and #57 in FY2025; new, not ranked in Jul 2024–Jun 2025.
55	Neie Medical Waste Services, LLC Top agencies USDA (Department of Agriculture)	$37,945	0.2%	Rank history: not on the FY2021 list, #62 in FY2022, #62 in FY2023, #38 in FY2024 and #63 in FY2025; down 9 since Jul 2024–Jun 2025.
56	Liner Technologies LLC Top agencies Army (Department of the Army)	$36,825	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
57	Salem Manufacturing & Sales Inc. Top agencies DLA (Defense Logistics Agency)	$35,340	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
58	Dvorsak Material Handling Equipment, Inc. Top agencies VA (Department of Veterans Affairs)	$33,778	0.2%	Rank history: not on the FY2021–FY2024 lists and #62 in FY2025; new, not ranked in Jul 2024–Jun 2025.
59	Deshotel, Luke Top agencies DOJ (Department of Justice)	$33,524	0.2%	Rank history: not on the FY2021–FY2024 lists and #47 in FY2025; up 19 since Jul 2024–Jun 2025.
60	S365 Inc. Top agencies DHS (Department of Homeland Security)	$33,424	0.2%	Rank history: not on the FY2021–FY2024 lists and #44 in FY2025; new, not ranked in Jul 2024–Jun 2025.
61	Rafael Castro Montes De Oca Arquitectos, PSC Top agencies USAF (Department of the Air Force)	$32,125	0.2%	Rank history: not on the FY2021–FY2024 lists and #65 in FY2025; new, not ranked in Jul 2024–Jun 2025.
62	Gleaming Services LLC Top agencies USAF (Department of the Air Force)	$30,520	0.2%	Rank history: not on the FY2021–FY2024 lists and #68 in FY2025; new, not ranked in Jul 2024–Jun 2025.
63	Republic Services Inc. Top agencies DOJ (Department of Justice)	$30,002	0.2%	Rank history: not on the FY2021–FY2024 lists and #76 in FY2025; new, not ranked in Jul 2024–Jun 2025.
64	Pomerantz Acquisition Corp Top agencies VA (Department of Veterans Affairs)	$29,472	0.2%	Rank history: not on the FY2021–FY2024 lists and #70 in FY2025; new, not ranked in Jul 2024–Jun 2025.
65	County of Charleston Top agencies DHS (Department of Homeland Security)	$29,120	0.2%	Rank history: not on the FY2021–FY2024 lists and #71 in FY2025; new, not ranked in Jul 2024–Jun 2025.
66	Patterson Cooney Inc. Top agencies DLA (Defense Logistics Agency)	$28,060	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
67	Hamilton Alliance Inc. Top agencies VA (Department of Veterans Affairs)	$27,900	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
68	FSR Consulting LLC Top agencies Army (Department of the Army)	$27,790	0.2%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; new, not ranked in Jul 2024–Jun 2025.
69	Toca LLC Top agencies USAF (Department of the Air Force)	$27,351	0.1%	Rank history: not on the FY2021–FY2024 lists and #74 in FY2025; new, not ranked in Jul 2024–Jun 2025.
70	United Rentals, Inc. Top agencies USAF (Department of the Air Force)	$26,800	0.1%	Rank history: not on the FY2021 list, #69 in FY2022, #42 in FY2023, #57 in FY2024 and not on the FY2025 list; down 23 since Jul 2024–Jun 2025.
71	Liquid Environmental Solutions of Texas, LLC Top agencies DOJ (Department of Justice)	$26,170	0.1%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; new, not ranked in Jul 2024–Jun 2025.
72	US ECO Products Corp Top agencies Navy (Department of the Navy)	$25,840	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
73	BC Concrete, Inc. Top agencies USDA (Department of Agriculture)	$24,450	0.1%	Rank history: not on the FY2021 list, #58 in FY2022, not on the FY2023 list, #83 in FY2024 and not on the FY2025 list; up 11 since Jul 2024–Jun 2025.
74	Compactor Management Company LLC Top agencies DHS (Department of Homeland Security)	$24,440	0.1%	Rank history: not on the FY2021–FY2024 lists and #80 in FY2025; new, not ranked in Jul 2024–Jun 2025.
75	Wind River Environmental, LLC Top agencies DOJ (Department of Justice)	$23,997	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
76	Insinger Machine Co Top agencies DLA (Defense Logistics Agency)	$22,301	0.1%	Rank history: #95 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
77	Constance D Gooch Top agencies USAF (Department of the Air Force)	$21,825	0.1%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
78	Amio Enterprises LLC Top agencies DOJ (Department of Justice)	$21,095	0.1%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023, #61 in FY2024 and #69 in FY2025; down 7 since Jul 2024–Jun 2025.
79	Ana Sourcing LLC Top agencies DLA (Defense Logistics Agency)	$20,654	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
80	Broadview Waste Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$20,524	0.1%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2023, #50 in FY2024 and not on the FY2025 list; up 12 since Jul 2024–Jun 2025.
81	L.r.g. Corporation Top agencies DLA (Defense Logistics Agency)	$20,125	0.1%	Rank history: not on the FY2021–FY2023 lists, #76 in FY2024 and not on the FY2025 list; down 7 since Jul 2024–Jun 2025.
82	Set Environmental Inc. Top agencies DOJ (Department of Justice)	$20,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023, #89 in FY2024 and #88 in FY2025; up 14 since Jul 2024–Jun 2025.
83	Daniels Enterprises LLC Top agencies HHS (Department of Health and Human Services)	$19,474	0.1%	Rank history: not on the FY2021–FY2024 lists and #89 in FY2025; up 31 since Jul 2024–Jun 2025.
84	Phelps Honey Wagon, Inc. Top agencies DOI (Department of the Interior)	$19,275	0.1%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; new, not ranked in Jul 2024–Jun 2025.
85	SDV Office Systems LLC Top agencies VA (Department of Veterans Affairs)	$18,969	0.1%	Rank history: not on the FY2021–FY2024 lists and #86 in FY2025; new, not ranked in Jul 2024–Jun 2025.
86	Seres Engineering & Services LLC Top agencies DHA (Defense Health Agency)	$18,672	0.1%	Rank history: not on the FY2021–FY2023 lists, #92 in FY2024 and #87 in FY2025; up 9 since Jul 2024–Jun 2025.
87	Jalbert and Associates, Inc. Top agencies Navy (Department of the Navy)	$17,584	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
88	Harold Lemay Enterprises Incorporated 3 awardees, including Waste Connections US, Inc. Top agencies DOJ (Department of Justice)	$17,582	0.1%	Rank history: not on the FY2021–FY2024 lists and #75 in FY2025; up 29 since Jul 2024–Jun 2025.
89	First Generation Development, LLC Top agencies DLA (Defense Logistics Agency)	$16,450	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
90	Red Fox Environmental Services Inc. Top agencies Navy (Department of the Navy)	$16,000	0.1%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; up 13 since Jul 2024–Jun 2025.
91	Harmony Enterprises Inc. Top agencies Army (Department of the Army)	$15,508	0.1%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; new, not ranked in Jul 2024–Jun 2025.
92	U.s. Global Resources, Inc. Top agencies DOS (Department of State)	$14,960	0.1%	Rank history: not on the FY2021–FY2024 lists and #98 in FY2025; new, not ranked in Jul 2024–Jun 2025.
93	Encon Industries, LLC Top agencies Navy (Department of the Navy)	$14,635	0.1%	Rank history: not on the FY2021 list, #80 in FY2022 and not on the FY2023–FY2025 lists; up 18 since Jul 2024–Jun 2025.
94	LTR Holdings LLC Top agencies DHS (Department of Homeland Security)	$14,628	0.1%	Rank history: not on the FY2021–FY2024 lists and #97 in FY2025; up 14 since Jul 2024–Jun 2025.
95	Jenks Inc. Top agencies Navy (Department of the Navy)	$14,042	0.1%	Rank history: not on the FY2021–FY2023 lists, #73 in FY2024 and not on the FY2025 list; down 26 since Jul 2024–Jun 2025.
96	Tucson Tallow Co, Inc. Top agencies DOJ (Department of Justice)	$13,560	0.1%	Rank history: not on the FY2021–FY2025 lists; up 35 since Jul 2024–Jun 2025.
97	Wattbar Industries, LLC Top agencies DOT (Department of Transportation)	$13,520	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
98	County of Bryan Top agencies DOJ (Department of Justice)	$13,440	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
99	CD & T Logistics Inc Top agencies DOT (Department of Transportation)	$13,121	0.1%	Rank history: not on the FY2021–FY2025 lists; up 19 since Jul 2024–Jun 2025.
100	Neie, Inc. Top agencies USDA (Department of Agriculture)	$12,742	0.1%	Rank history: not on the FY2021–FY2024 lists and #90 in FY2025; down 3 since Jul 2024–Jun 2025.

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100 of 151 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 $18.4 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 4540 contractors in Jul 2025–Jun 2026?

1. Flightfab, Inc. ($5.13M), 2. Advanced Technology International ($3.43M), 3. Vantex Service Corporation ($1.01M), 4. D'S Ventures, LLC ($580K), 5. R P M Supply Corporation ($492K), 6. RTX Corporation ($416K), 7. Air Burners, Inc. ($348K), 8. United Site Services of Nevada, Inc. ($312K), 9. Jgils, LLC ($290K), 10. BIO Response Solutions Inc ($288K).

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