Top 100 Contractors in NAICS 5621: Waste Collection, FY2025

Name: Top 100 Contractors in NAICS 5621: Waste Collection, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 89% of FY2025 NAICS 5621 contract dollars

Contract obligations: $4,432,579,628 Net of deobligations, by contracts coded NAICS 5621 or a code under it
Contractors: 983 Parent companies with an obligation
Largest contractor: Ashbritt Inc. $1.83 billion, 39.7% of obligations
Data as of: Oct 14, 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	Ashbritt Inc. Top agencies Army (Department of the Army)	$1,830,121,525	39.7%	Rank history: not on the FY2021–FY2024 lists; new.
2	ECC Constructors LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$1,743,744,486	37.8%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2024; up 50 since FY2024.
3	JBW Group LLC Top agencies Army (Department of the Army)	$234,464,362	5.1%	Rank history: not on the FY2021–FY2024 lists; new.
4	Tmsab LLC Top agencies Army (Department of the Army)	$169,307,091	3.7%	Rank history: not on the FY2021–FY2024 lists; new.
5	Bering Straits Construction Solutions, LLC Top agencies Army (Department of the Army)	$32,011,350	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
6	Bering Straits Global Innovations, LLC Top agencies Army (Department of the Army)	$23,268,778	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
7	Hamilton Alliance Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) USAF (Department of the Air Force)	$17,346,523	0.4%	Rank history: #3 in FY2021, #2 in FY2022, #2 in FY2023 and #2 in FY2024; down 5 since FY2024.
8	Republic Services Inc. 42 awardees, including ACV Environmental Services Inc., US Ecology Washington Inc. and Republic Services of Indiana, Limited Partnership Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy) DHS (Department of Homeland Security)	$14,274,435	0.3%	Rank history: #19 in FY2021, #15 in FY2022, #16 in FY2023 and #3 in FY2024; down 5 since FY2024.
9	Perry Management Corp of South Dakota, L.l.c Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$13,745,349	0.3%	Rank history: #6 in FY2021, #7 in FY2022, #7 in FY2023 and #4 in FY2024; down 5 since FY2024.
10	Yamaki Co., Ltd. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$10,406,915	0.2%	Rank history: #4 in FY2021, #3 in FY2022, #4 in FY2023 and #6 in FY2024; down 4 since FY2024.
11	Kurashiki, Co.,Ltd. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$9,907,172	0.2%	Rank history: #26 in FY2021, #21 in FY2022, #24 in FY2023 and #17 in FY2024; up 6 since FY2024.
12	Waste Management of New Jersey Inc. 82 awardees, including USA Waste of California, Inc., Waste Management Inc of Florida and Waste Management Collection and Recycling Inc. Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$9,523,211	0.2%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; up 8 since FY2024.
13	Triumvirate Environmental, LLC Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy) Commerce (Department of Commerce)	$9,022,621	0.2%	Rank history: #17 in FY2021, #25 in FY2022, #13 in FY2023 and #7 in FY2024; down 6 since FY2024.
14	Guahan Waste Control, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOI (Department of the Interior)	$8,694,476	0.2%	Rank history: #12 in FY2021, #5 in FY2022, #3 in FY2023 and #5 in FY2024; down 9 since FY2024.
15	Edco Disposal Corp Top agencies Navy (Department of the Navy)	$8,198,618	0.2%	Rank history: #25 in FY2021, #22 in FY2022, #19 in FY2023 and #15 in FY2024; unchanged since FY2024.
16	Dorado Services, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$7,724,786	0.2%	Rank history: #8 in FY2021, #12 in FY2022, #6 in FY2023 and #10 in FY2024; down 6 since FY2024.
17	Ecology Services Inc. Top agencies HHS (Department of Health and Human Services)	$6,929,937	0.2%	Rank history: #10 in FY2021, #14 in FY2022, #11 in FY2023 and #14 in FY2024; down 3 since FY2024.
18	Neie Medical Waste Services, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$6,567,849	0.1%	Rank history: #7 in FY2021, #11 in FY2022, #14 in FY2023 and #9 in FY2024; down 9 since FY2024.
19	SNI United LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$6,381,435	0.1%	Rank history: not on the FY2021 list, #10 in FY2022, #9 in FY2023 and #16 in FY2024; down 3 since FY2024.
20	Marco Federal Services LLC 2 awardees Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) DHS (Department of Homeland Security)	$6,069,346	0.1%	Rank history: #56 in FY2021, #51 in FY2022, #34 in FY2023 and #18 in FY2024; down 2 since FY2024.
21	Harold Lemay Enterprises Incorporated 34 awardees, including Waste Connections of Alaska, Inc., C&S Waste Solutions of Lassen County, LLC and Waste Connections of Florida, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior) USAF (Department of the Air Force)	$5,978,284	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
22	Jfe-K Scrap JV Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,681,559	0.1%	Rank history: #20 in FY2021, #8 in FY2022, #17 in FY2023 and #23 in FY2024; up 1 since FY2024.
23	Earth Smart Environmental Solutions LLC Top agencies VA (Department of Veterans Affairs)	$5,655,909	0.1%	Rank history: #16 in FY2021, #13 in FY2022, #15 in FY2023 and #8 in FY2024; down 15 since FY2024.
24	CTI Environmental Inc Top agencies Army (Department of the Army)	$5,308,796	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
25	Mark Dunning Industries Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$5,282,047	0.1%	Rank history: #13 in FY2021, #19 in FY2022, #18 in FY2023 and #13 in FY2024; down 12 since FY2024.
26	Zero Waste Solutions, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$5,243,071	0.1%	Rank history: #21 in FY2021, #9 in FY2022, #10 in FY2023 and #11 in FY2024; down 15 since FY2024.
27	DBI Waste Systems Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) Army (Department of the Army)	$4,496,094	0.1%	Rank history: #31 in FY2021, #32 in FY2022, #29 in FY2023 and #36 in FY2024; up 9 since FY2024.
28	Waste Connections of Alaska, Inc. 27 awardees, including Harold Lemay Enterprises, Incorporated, Waste Connections of Florida, Inc. and Waste Connections of Arkansas, Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) DOI (Department of the Interior)	$4,328,938	0.1%	Rank history: not on the FY2021–FY2023 lists and #12 in FY2024; down 16 since FY2024.
29	Corporate Waste Solutions LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$4,206,568	0.1%	Rank history: #89 in FY2021, #67 in FY2022, #28 in FY2023 and #28 in FY2024; down 1 since FY2024.
30	Wasteholdco 1 Limited Through Biffa Waste Services Limited Top agencies USAF (Department of the Air Force)	$4,048,530	0.1%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2023 and #35 in FY2024; up 5 since FY2024.
31	Landscape Management Systems Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$4,046,358	0.1%	Rank history: #14 in FY2021, #26 in FY2022, #27 in FY2023 and #22 in FY2024; down 9 since FY2024.
32	Navajo Sanitation, Inc. Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$3,850,157	0.1%	Rank history: #28 in FY2021, #36 in FY2022, #26 in FY2023 and #29 in FY2024; down 3 since FY2024.
33	Veolia Umweltservice Sued GMBH & Co. KG Top agencies Army (Department of the Army)	$3,665,817	0.1%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2024; up 30 since FY2024.
34	GEO International Management, LLC Top agencies Army (Department of the Army)	$3,299,422	0.1%	Rank history: #36 in FY2021, #42 in FY2022, #35 in FY2023 and #39 in FY2024; up 5 since FY2024.
35	Yongma Service Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$3,166,149	0.1%	Rank history: #43 in FY2021, #29 in FY2022, #23 in FY2023 and #37 in FY2024; up 2 since FY2024.
36	Wilburn Hauling Inc. Top agencies Army (Department of the Army) DOS (Department of State) USDA (Department of Agriculture)	$3,158,134	0.1%	Rank history: not on the FY2021 list, #74 in FY2022, #33 in FY2023 and #26 in FY2024; down 10 since FY2024.
37	Street Legal Industries LLC Top agencies Army (Department of the Army) DOI (Department of the Interior) USAF (Department of the Air Force)	$3,086,952	0.1%	Rank history: #94 in FY2021, not on the FY2022–FY2023 lists and #25 in FY2024; down 12 since FY2024.
38	Native Services LLC Top agencies Army (Department of the Army)	$3,011,795	0.1%	Rank history: #41 in FY2021, #46 in FY2022, #42 in FY2023 and #32 in FY2024; down 6 since FY2024.
39	Perikin Enterprises LLC Top agencies Army (Department of the Army)	$2,918,557	0.1%	Rank history: not on the FY2021 list, #60 in FY2022, #30 in FY2023 and #60 in FY2024; up 21 since FY2024.
40	Recology Inc. 3 awardees, including Recology Yuba-Sutter, Sunset Scavenger Co and Golden Gate Disposal & Recycling Co Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$2,876,453	0.1%	Rank history: #30 in FY2021, #38 in FY2022, #58 in FY2023 and #41 in FY2024; up 1 since FY2024.
41	TLI Construction, Inc. Top agencies Army (Department of the Army)	$2,573,961	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
42	Greener Construction Services, Inc. Top agencies GSA (General Services Administration) Commerce (Department of Commerce)	$2,535,605	0.1%	Rank history: #27 in FY2021, #31 in FY2022, #38 in FY2023 and #40 in FY2024; down 2 since FY2024.
43	Advant-Edge Solutions of Middle Atlantic Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) Navy (Department of the Navy)	$2,522,334	0.1%	Rank history: #29 in FY2021, #40 in FY2022, #45 in FY2023 and #31 in FY2024; down 12 since FY2024.
44	Brice Engineering, LLC Top agencies Army (Department of the Army)	$2,434,602	0.1%	Rank history: not on the FY2021–FY2022 lists, #43 in FY2023 and not on the FY2024 list; returned.
45	Loop Inc. Top agencies USAF (Department of the Air Force)	$2,295,919	<0.1%	Rank history: #48 in FY2021, #47 in FY2022, #53 in FY2023 and #56 in FY2024; up 11 since FY2024.
46	Six-Nations Inc Top agencies USAF (Department of the Air Force)	$2,283,733	<0.1%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2023 and #61 in FY2024; up 15 since FY2024.
47	Noreas Inc. Top agencies Navy (Department of the Navy)	$2,238,458	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
48	Mellor Engineering Inc Top agencies Army (Department of the Army)	$2,208,231	<0.1%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2024; down 2 since FY2024.
49	Syscom, Inc. Top agencies Army (Department of the Army)	$2,115,683	<0.1%	Rank history: not on the FY2021 list, #56 in FY2022, #52 in FY2023 and #47 in FY2024; down 2 since FY2024.
50	Nisou Enterprises Inc. Top agencies Army (Department of the Army)	$2,091,332	<0.1%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 27 since FY2024.
51	Adastra Ecological Services, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$2,035,213	<0.1%	Rank history: not on the FY2021 list, #88 in FY2022, #71 in FY2023 and #57 in FY2024; up 6 since FY2024.
52	EWA Direction Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$2,033,082	<0.1%	Rank history: not on the FY2021 list, #68 in FY2022, #57 in FY2023 and #48 in FY2024; down 4 since FY2024.
53	Southern Technology Professional Consulting Service LLC Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$1,999,712	<0.1%	Rank history: #60 in FY2021, #43 in FY2022, #40 in FY2023 and #27 in FY2024; down 26 since FY2024.
54	Onaka-Nisiko JV Top agencies Navy (Department of the Navy)	$1,978,667	<0.1%	Rank history: #58 in FY2021, #59 in FY2022, #62 in FY2023 and #83 in FY2024; up 29 since FY2024.
55	Potomac Environmental Inc. Top agencies Navy (Department of the Navy)	$1,963,913	<0.1%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023 and #50 in FY2024; down 5 since FY2024.
56	J Torres Co Inc. Top agencies USAF (Department of the Air Force)	$1,962,432	<0.1%	Rank history: #50 in FY2021, #57 in FY2022, #55 in FY2023 and #49 in FY2024; down 7 since FY2024.
57	Donato Marangi, Inc. Top agencies Army (Department of the Army)	$1,916,108	<0.1%	Rank history: #32 in FY2021, #17 in FY2022, #77 in FY2023 and #19 in FY2024; down 38 since FY2024.
58	Mabbett & Associates, Inc. Top agencies VA (Department of Veterans Affairs)	$1,915,986	<0.1%	Rank history: #67 in FY2021, #70 in FY2022, #44 in FY2023 and #59 in FY2024; up 1 since FY2024.
59	Cook Inlet Region Inc. Through North Wind Site Services, LLC Top agencies Army (Department of the Army)	$1,878,488	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
60	Professional Waste Management LLC Top agencies USAF (Department of the Air Force)	$1,850,435	<0.1%	Rank history: #53 in FY2021, #34 in FY2022, #76 in FY2023 and #45 in FY2024; down 15 since FY2024.
61	Jakob Becker Entsorgungs-Gmbh 2 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,847,259	<0.1%	Rank history: #45 in FY2021, #55 in FY2022, #63 in FY2023 and #55 in FY2024; down 6 since FY2024.
62	Batista-Dorado JV2 Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,820,344	<0.1%	Rank history: #64 in FY2021, #44 in FY2022, #32 in FY2023 and #53 in FY2024; down 9 since FY2024.
63	Specpro Sustainment and Environmental, LLC Top agencies Army (Department of the Army)	$1,803,934	<0.1%	Rank history: #42 in FY2021, #6 in FY2022, #25 in FY2023 and #54 in FY2024; down 9 since FY2024.
64	Sagc-Dorado JV, LLC Top agencies Navy (Department of the Navy)	$1,770,624	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
65	Tri-County Recycling Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DHS (Department of Homeland Security)	$1,697,584	<0.1%	Rank history: #99 in FY2021, #94 in FY2022, #60 in FY2023 and #66 in FY2024; up 1 since FY2024.
66	Haztrain Inc. Top agencies Navy (Department of the Navy)	$1,633,626	<0.1%	Rank history: #57 in FY2021, #62 in FY2022, #67 in FY2023 and #64 in FY2024; down 2 since FY2024.
67	Birdon America Inc. Top agencies Navy (Department of the Navy)	$1,608,821	<0.1%	Rank history: #73 in FY2021, #78 in FY2022, #61 in FY2023 and #62 in FY2024; down 5 since FY2024.
68	South Eastern General Contracting, Inc. Top agencies Army (Department of the Army)	$1,544,943	<0.1%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2024; down 38 since FY2024.
69	Nascence Group LLC Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) DOI (Department of the Interior)	$1,465,208	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 68 since FY2024.
70	City of Port Hueneme Top agencies Navy (Department of the Navy)	$1,438,341	<0.1%	Rank history: #62 in FY2021, #69 in FY2022, #72 in FY2023 and #70 in FY2024; unchanged since FY2024.
71	Seres Engineering & Services LLC Top agencies Army (Department of the Army) EPA (Environmental Protection Agency) DHA (Defense Health Agency)	$1,420,506	<0.1%	Rank history: #74 in FY2021, #100 in FY2022, #56 in FY2023 and #51 in FY2024; down 20 since FY2024.
72	WB Waste Solutions, LLC Top agencies Army (Department of the Army) Smithsonian (Smithsonian Institution) SSA (Social Security Administration)	$1,414,344	<0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and not on the FY2024 list; up 37 since FY2024.
73	Ad Improvements Inc Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$1,411,999	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
74	Columbia Navigation, Inc. Top agencies DOI (Department of the Interior)	$1,400,108	<0.1%	Rank history: #83 in FY2021, #85 in FY2022 and not on the FY2023–FY2024 lists; returned.
75	Pyungtaek Environment Co.,Ltd Top agencies USAF (Department of the Air Force)	$1,391,212	<0.1%	Rank history: #68 in FY2021, #73 in FY2022, #79 in FY2023 and #84 in FY2024; up 9 since FY2024.
76	SWM LLC Top agencies USAF (Department of the Air Force)	$1,315,420	<0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and #71 in FY2024; down 5 since FY2024.
77	Comune DI Vicenza Top agencies Army (Department of the Army)	$1,260,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
78	CCS King George 2 LLC Top agencies Army (Department of the Army)	$1,193,760	<0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and #95 in FY2024; up 17 since FY2024.
79	Boyd Co. LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army) DOI (Department of the Interior)	$1,160,187	<0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #93 in FY2024; up 14 since FY2024.
80	Wastesolutions LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services)	$1,153,669	<0.1%	Rank history: #49 in FY2021, #52 in FY2022, not on the FY2023 list and #94 in FY2024; up 14 since FY2024.
81	County of Kitsap Top agencies Navy (Department of the Navy)	$1,125,208	<0.1%	Rank history: #70 in FY2021, #71 in FY2022, #83 in FY2023 and #67 in FY2024; down 14 since FY2024.
82	Pacific Commercial Services, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$1,066,391	<0.1%	Rank history: #23 in FY2021, #39 in FY2022, #51 in FY2023 and #33 in FY2024; down 49 since FY2024.
83	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DHS (Department of Homeland Security)	$1,061,844	<0.1%	Rank history: #44 in FY2021, #45 in FY2022, #59 in FY2023 and #75 in FY2024; down 8 since FY2024.
84	Comune DI Pisa Top agencies Army (Department of the Army)	$1,055,637	<0.1%	Rank history: not on the FY2021–FY2023 lists and #81 in FY2024; down 3 since FY2024.
85	Robinson Waste Services LLC Top agencies USAF (Department of the Air Force) Treasury (Department of the Treasury)	$996,676	<0.1%	Rank history: #86 in FY2021, #66 in FY2022, not on the FY2023 list and #92 in FY2024; up 7 since FY2024.
86	Stericycle Inc 2 awardees Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$994,262	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 41 since FY2024.
87	Saudi Naval Support Co. Top agencies USAF (Department of the Air Force)	$993,462	<0.1%	Rank history: not on the FY2021 list, #53 in FY2022, #54 in FY2023 and #65 in FY2024; down 22 since FY2024.
88	N&S Property Services LLC Top agencies Army (Department of the Army)	$981,850	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 88 since FY2024.
89	Southeastern Public Service Authority of Virginia Top agencies Navy (Department of the Navy)	$979,841	<0.1%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2023 and #88 in FY2024; down 1 since FY2024.
90	Apex Waste Systems, Inc. Top agencies VA (Department of Veterans Affairs)	$961,320	<0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2023 and #90 in FY2024; unchanged since FY2024.
91	Chenega Integrated Security Solutions, LLC Top agencies USAF (Department of the Air Force)	$953,996	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	A-Action Facility Services, Inc. Top agencies HHS (Department of Health and Human Services)	$944,737	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	Liberty Disposal Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$936,401	<0.1%	Rank history: not on the FY2021 list, #89 in FY2022 and not on the FY2023–FY2024 lists; up 8 since FY2024.
94	Lane Services LLC Top agencies USAF (Department of the Air Force)	$922,937	<0.1%	Rank history: #63 in FY2021, #82 in FY2022, #86 in FY2023 and #96 in FY2024; up 2 since FY2024.
95	Kanagawa Hoken Jigyousha Co.,Ltd. Top agencies Navy (Department of the Navy)	$919,672	<0.1%	Rank history: #76 in FY2021, #75 in FY2022, #80 in FY2023 and not on the FY2024 list; up 10 since FY2024.
96	Environmental Compliance Consultants, Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$912,796	<0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and #79 in FY2024; down 17 since FY2024.
97	Waste Management Inc of Florida Top agencies Navy (Department of the Navy)	$897,457	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
98	Pureservice Corp Top agencies Army (Department of the Army)	$897,080	<0.1%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; down 9 since FY2024.
99	Recology Sonoma Marin Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior) Army (Department of the Army)	$880,958	<0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; down 17 since FY2024.
100	Set the Standard, LLC Top agencies VA (Department of Veterans Affairs)	$879,604	<0.1%	Rank history: #95 in FY2021, #80 in FY2022, #95 in FY2023 and not on the FY2024 list; returned.

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100 of 983 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 5621

Code	Net obligations	Largest contractor
56211 Waste Collection	$4,432,579,628	Ashbritt Inc.

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 $4.61 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
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

Who were the top 10 NAICS 5621 contractors in FY2025?

1. Ashbritt Inc. ($1.83B), 2. ECC Constructors LLC ($1.74B), 3. JBW Group LLC ($234M), 4. Tmsab LLC ($169M), 5. Bering Straits Construction Solutions, LLC ($32M), 6. Bering Straits Global Innovations, LLC ($23.3M), 7. Hamilton Alliance Inc. ($17.3M), 8. Republic Services Inc. ($14.3M), 9. Perry Management Corp of South Dakota, L.l.c ($13.7M), 10. Yamaki Co., Ltd. ($10.4M).

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