Top 100 Contractors in NAICS 49311: General Warehousing and Storage, FY2024

Name: Top 100 Contractors in NAICS 49311: General Warehousing and Storage, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 53% of FY2024 NAICS 49311 contract dollars

Contract obligations: $774,972,385 Net of deobligations, by contracts coded NAICS 49311 or a code under it
Contractors: 262 Parent companies with an obligation
Largest contractor: Amentum Services, Inc. $135 million, 16.0% 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	Amentum Services, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Treasury (Department of the Treasury)	$134,530,847	16.0%	Rank history: #4 in FY2021, #1 in FY2022, #1 in FY2023 and not on the FY2025 list; unchanged since FY2023.
2	Iron Mountain Incorporated 2 awardees, including Iron Mountain Information Management LLC Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce) VA (Department of Veterans Affairs)	$58,488,493	7.0%	Rank history: #9 in FY2021, #3 in FY2022, #2 in FY2023 and #9 in FY2025; unchanged since FY2023.
3	McKesson Corporation Through Mckesson Medical-Surgical Government Solutions LLC Top agencies HHS (Department of Health and Human Services)	$51,138,600	6.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
4	Valiant Technical Services Inc. Top agencies DLA (Defense Logistics Agency)	$43,819,621	5.2%	Rank history: #6 in FY2021, not on the FY2022–FY2023 lists and #4 in FY2025; returned.
5	Arcticom, LLC Top agencies Army (Department of the Army)	$31,571,932	3.8%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and #7 in FY2025; up 34 since FY2023.
6	Olgoonik Federal LLC 3 awardees, including Olgoonik Logistics, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$29,906,410	3.6%	Rank history: #32 in FY2021, #25 in FY2022, #10 in FY2023 and #2 in FY2025; up 4 since FY2023.
7	Synergy Logistics Services, LLC 2 awardees, including Synergy Logistics Services II LLC Top agencies DLA (Defense Logistics Agency)	$26,680,211	3.2%	Rank history: #34 in FY2021, #33 in FY2022, #31 in FY2023 and #25 in FY2025; up 24 since FY2023.
8	Life Science Logistics LLC Top agencies HHS (Department of Health and Human Services)	$24,317,448	2.9%	Rank history: #1 in FY2021, #5 in FY2022, #7 in FY2023 and #27 in FY2025; down 1 since FY2023.
9	Accent Controls, Inc. Top agencies DLA (Defense Logistics Agency)	$23,649,228	2.8%	Rank history: #14 in FY2021, #8 in FY2022, #17 in FY2023 and #6 in FY2025; up 8 since FY2023.
10	Americold Realty Trust 2 awardees, including Americold Logistics, LLC Top agencies USDA (Department of Agriculture)	$22,619,106	2.7%	Rank history: not on the FY2021 list, #12 in FY2022, #8 in FY2023 and #5 in FY2025; down 2 since FY2023.
11	Paris Brothers, Inc. Top agencies USDA (Department of Agriculture)	$20,979,221	2.5%	Rank history: #25 in FY2021, #17 in FY2022, #16 in FY2023 and #8 in FY2025; up 5 since FY2023.
12	Industries of the Blind Inc. Top agencies DLA (Defense Logistics Agency)	$20,621,942	2.5%	Rank history: #29 in FY2021, #14 in FY2022, #12 in FY2023 and #11 in FY2025; unchanged since FY2023.
13	Lion-Vallen Limited Partnership Top agencies DLA (Defense Logistics Agency)	$15,532,448	1.9%	Rank history: #13 in FY2021, #30 in FY2022, #6 in FY2023 and #12 in FY2025; down 7 since FY2023.
14	Solution One Industries, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$13,925,056	1.7%	Rank history: #12 in FY2021, #11 in FY2022, #13 in FY2023 and #18 in FY2025; down 1 since FY2023.
15	Techtrans International Inc. Top agencies NASA (National Aeronautics and Space Administration)	$13,113,319	1.6%	Rank history: #18 in FY2021, #16 in FY2022, #14 in FY2023 and #14 in FY2025; down 1 since FY2023.
16	Integrated Quality Solutions, LLC Top agencies HHS (Department of Health and Human Services)	$11,882,608	1.4%	Rank history: #11 in FY2021, #7 in FY2022, #11 in FY2023 and #15 in FY2025; down 5 since FY2023.
17	Synergy Logistics Services II LLC Top agencies DLA (Defense Logistics Agency)	$10,512,073	1.3%	Rank history: #10 in FY2021, #6 in FY2022, #5 in FY2023 and not on the FY2025 list; down 12 since FY2023.
18	Metropolitan Van and Storage Inc. 2 awardees Top agencies OSD (Office of the Secretary of Defense) USDA (Department of Agriculture)	$9,918,654	1.2%	Rank history: #30 in FY2021, #23 in FY2022, #19 in FY2023 and #20 in FY2025; up 1 since FY2023.
19	Red River Science & Technology, LLC Top agencies DLA (Defense Logistics Agency)	$9,436,373	1.1%	Rank history: not on the FY2021 list, #19 in FY2022, #9 in FY2023 and #13 in FY2025; down 10 since FY2023.
20	Management & Technology Solutions Inc. Top agencies Navy (Department of the Navy)	$8,622,786	1.0%	Rank history: #35 in FY2021, #27 in FY2022, #15 in FY2023 and #19 in FY2025; down 5 since FY2023.
21	Professional Contract Services, Inc. Top agencies Navy (Department of the Navy)	$8,478,105	1.0%	Rank history: #31 in FY2021, #29 in FY2022, #27 in FY2023 and #23 in FY2025; up 6 since FY2023.
22	Rbex, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$8,055,749	1.0%	Rank history: #16 in FY2021, #18 in FY2022, #21 in FY2023 and #84 in FY2025; down 1 since FY2023.
23	Goodwill Services Inc. Top agencies Navy (Department of the Navy)	$8,032,698	1.0%	Rank history: #20 in FY2021, not on the FY2022–FY2023 lists and #22 in FY2025; returned.
24	Arctic Slope Regional Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$7,074,330	0.8%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2025; new.
25	Miami Technology Solutions, LLC Top agencies DOS (Department of State)	$7,057,084	0.8%	Rank history: #54 in FY2021, not on the FY2022–FY2023 lists and #46 in FY2025; returned.
26	Arizona Industries for the Blind Top agencies DLA (Defense Logistics Agency)	$6,110,860	0.7%	Rank history: #19 in FY2021, #9 in FY2022, #18 in FY2023 and #44 in FY2025; down 8 since FY2023.
27	Olgoonik Worldwide Services LLC Top agencies DLA (Defense Logistics Agency)	$5,641,991	0.7%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2025; new.
28	Koniag Management Solutions LLC Top agencies DHS (Department of Homeland Security)	$5,565,706	0.7%	Rank history: not on the FY2021 list, #28 in FY2022, #26 in FY2023 and #82 in FY2025; down 2 since FY2023.
29	Metro Logics Inc. Top agencies HHS (Department of Health and Human Services)	$5,409,361	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
30	Hurricane Consulting, Inc. Top agencies VA (Department of Veterans Affairs)	$4,799,514	0.6%	Rank history: #42 in FY2021, #32 in FY2022, #30 in FY2023 and #63 in FY2025; unchanged since FY2023.
31	Amentum Holdings, Inc. Through Amentum Services, Inc. Top agencies Treasury (Department of the Treasury) DLA (Defense Logistics Agency)	$4,765,628	0.6%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2025; new.
32	APL Ceva Government Logistics Top agencies USAID (US Agency for International Development) DOS (Department of State)	$4,741,665	0.6%	Rank history: not on the FY2021 list, #84 in FY2022, #83 in FY2023 and #81 in FY2025; up 51 since FY2023.
33	Logistics Support Services JV LLC Top agencies DLA (Defense Logistics Agency)	$4,571,938	0.5%	Rank history: #47 in FY2021, #46 in FY2022, #42 in FY2023 and #42 in FY2025; up 9 since FY2023.
34	Coin Wrap Inc. 2 awardees Top agencies Treasury (Department of the Treasury)	$4,275,000	0.5%	Rank history: #59 in FY2021, #65 in FY2022, #43 in FY2023 and #47 in FY2025; up 9 since FY2023.
35	S & K Aerospace, LLC Top agencies DLA (Defense Logistics Agency)	$3,697,205	0.4%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and #36 in FY2025; up 17 since FY2023.
36	Bmmi BSC Top agencies USAID (US Agency for International Development)	$3,500,000	0.4%	Rank history: #23 in FY2021, not on the FY2022 list, #28 in FY2023 and #29 in FY2025; down 8 since FY2023.
37	Katmai Integrated Solutions, LLC Top agencies DOS (Department of State)	$3,451,131	0.4%	Rank history: #44 in FY2021, #35 in FY2022, #29 in FY2023 and #30 in FY2025; down 8 since FY2023.
38	Goodwill Industries of North Georgia, Inc. Top agencies HHS (Department of Health and Human Services)	$3,404,510	0.4%	Rank history: #37 in FY2021, #42 in FY2022, #38 in FY2023 and #65 in FY2025; unchanged since FY2023.
39	Advanced Technology Logistics Inc. Top agencies DLA (Defense Logistics Agency)	$3,386,933	0.4%	Rank history: #33 in FY2021, not on the FY2022 list, #24 in FY2023 and not on the FY2025 list; down 15 since FY2023.
40	Aspen Distribution Inc Top agencies Treasury (Department of the Treasury)	$3,155,083	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 103 since FY2023.
41	ZLC Solutions LLC Top agencies DOS (Department of State)	$2,805,249	0.3%	Rank history: not on the FY2021 list, #39 in FY2022, #76 in FY2023 and #86 in FY2025; up 35 since FY2023.
42	Government Logistics Top agencies DOS (Department of State)	$2,790,913	0.3%	Rank history: #61 in FY2021, #44 in FY2022, #36 in FY2023 and #41 in FY2025; down 6 since FY2023.
43	Akima Systems Engineering LLC Top agencies DOD (Department of Defense)	$2,707,137	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
44	Transportes Internacionales Ferris SA Top agencies Navy (Department of the Navy)	$2,646,054	0.3%	Rank history: #49 in FY2021, #59 in FY2022, #58 in FY2023 and #49 in FY2025; up 14 since FY2023.
45	Skookum Educational Programs Top agencies USAF (Department of the Air Force)	$2,605,623	0.3%	Rank history: #38 in FY2021, #47 in FY2022, #49 in FY2023 and #40 in FY2025; up 4 since FY2023.
46	Cherokee Nation Armored Solutions, LLC Top agencies Army (Department of the Army)	$2,565,211	0.3%	Rank history: not on the FY2021 list, #53 in FY2022, #48 in FY2023 and #37 in FY2025; up 2 since FY2023.
47	VSS Logistics LLC Top agencies VA (Department of Veterans Affairs)	$2,194,564	0.3%	Rank history: #52 in FY2021, #41 in FY2022, #37 in FY2023 and #39 in FY2025; down 10 since FY2023.
48	Automotive & Industrial Supply, LLC Top agencies USAF (Department of the Air Force)	$2,188,050	0.3%	Rank history: #55 in FY2021, #55 in FY2022, #41 in FY2023 and #45 in FY2025; down 7 since FY2023.
49	Kohler Co. Top agencies DOT (Department of Transportation)	$2,084,280	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
50	Unalakleet Investments LLC Top agencies Navy (Department of the Navy)	$2,052,548	0.2%	Rank history: #58 in FY2021, #60 in FY2022, #60 in FY2023 and #48 in FY2025; up 10 since FY2023.
51	Bering Straits Native Corporation Through Arcticom, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,010,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2023 and not on the FY2025 list; down 48 since FY2023.
52	Ceva Air & Ocean USA Inc. Top agencies USAID (US Agency for International Development)	$2,000,000	0.2%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2025; new.
53	Premiere Install Movers, LLC Top agencies VA (Department of Veterans Affairs)	$1,893,711	0.2%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2023 and #53 in FY2025; up 1 since FY2023.
54	Gosselin Mobiliti Moskva OOO Through Gosselin Mobility Moscow LLC Top agencies DOS (Department of State)	$1,878,187	0.2%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2023 and not on the FY2025 list; up 3 since FY2023.
55	Cherokee Nation Through Cherokee Nation Management & Consulting, L.l.c.. Top agencies Navy (Department of the Navy)	$1,870,509	0.2%	Rank history: #27 in FY2021, #49 in FY2022, #46 in FY2023 and not on the FY2025 list; down 9 since FY2023.
56	Ukpeagvik Inupiat Corpor Through Bowhead Operations & Maintenance Solutions LLC Top agencies DLA (Defense Logistics Agency)	$1,835,009	0.2%	Rank history: #53 in FY2021, #54 in FY2022, #55 in FY2023 and not on the FY2025 list; down 1 since FY2023.
57	Haka, Inc. Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy)	$1,806,209	0.2%	Rank history: not on the FY2021 list, #63 in FY2022, #56 in FY2023 and #52 in FY2025; down 1 since FY2023.
58	Aphena Pharma Solutions-Tennessee, LLC Top agencies VA (Department of Veterans Affairs)	$1,765,393	0.2%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; new.
59	Chenega Naswik International LLC Top agencies DOS (Department of State)	$1,682,090	0.2%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2025; new.
60	Marianas Pacific Management LLC Top agencies USAF (Department of the Air Force)	$1,676,500	0.2%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and not on the FY2025 list; up 6 since FY2023.
61	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$1,490,632	0.2%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2023 and not on the FY2025 list; down 28 since FY2023.
62	OLH Technical Services, LLC Top agencies Navy (Department of the Navy)	$1,451,573	0.2%	Rank history: not on the FY2021 list, #62 in FY2022, #64 in FY2023 and #57 in FY2025; up 2 since FY2023.
63	Consolidated Transportation Services Inc. Top agencies HHS (Department of Health and Human Services)	$1,435,095	0.2%	Rank history: not on the FY2021 list, #70 in FY2022, not on the FY2023 list and #88 in FY2025; up 48 since FY2023.
64	Tridant Solutions, Inc. Top agencies Navy (Department of the Navy)	$1,366,642	0.2%	Rank history: not on the FY2021 list, #72 in FY2022, #68 in FY2023 and #61 in FY2025; up 4 since FY2023.
65	Schroeder Moving Systems of Milwaukee, Inc. Top agencies DOJ (Department of Justice)	$1,357,491	0.2%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2025; new.
66	Rem Italia S.R.L. Top agencies Navy (Department of the Navy)	$1,322,718	0.2%	Rank history: #51 in FY2021, #50 in FY2022, #62 in FY2023 and #51 in FY2025; down 4 since FY2023.
67	VS Services LLC Top agencies USDA (Department of Agriculture)	$1,300,000	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
68	Bowhead Communication Services LLC Top agencies Navy (Department of the Navy)	$1,189,498	0.1%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
69	Agiliti Health Inc 2 awardees Top agencies VA (Department of Veterans Affairs)	$1,138,697	0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2025; up 43 since FY2023.
70	Data Monitor Systems Inc Top agencies DOT (Department of Transportation)	$1,138,423	0.1%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2025; new.
71	B. French Consulting GMBH Top agencies Army (Department of the Army)	$1,127,451	0.1%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2025; new.
72	Hong Ye Rental & Construction, Ltd. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,049,160	0.1%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and not on the FY2025 list; down 9 since FY2023.
73	Seneca Strategic Partners, LLC Top agencies DOS (Department of State)	$1,007,207	0.1%	Rank history: not on the FY2021 list, #56 in FY2022, #65 in FY2023 and #94 in FY2025; down 8 since FY2023.
74	Bollore Transport & Logistics RDC SA Through Ceva Air & Ocean USA Inc. Top agencies USAID (US Agency for International Development)	$1,000,000	0.1%	Rank history: not on the FY2021 list, #20 in FY2022, #87 in FY2023 and not on the FY2025 list; up 13 since FY2023.
75	Symtech Corporation Top agencies Navy (Department of the Navy)	$969,873	0.1%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2025; new.
76	Olgoonik Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$944,333	0.1%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
77	RTX Corporation Through Raytheon Company Top agencies Navy (Department of the Navy)	$869,334	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
78	Technology Ventures, Inc. Top agencies DOE (Department of Energy)	$866,690	0.1%	Rank history: #72 in FY2021, #73 in FY2022, #75 in FY2023 and #70 in FY2025; down 3 since FY2023.
79	Nationwide Supplies, L.P. Top agencies DOS (Department of State)	$829,856	0.1%	Rank history: not on the FY2021 list, #31 in FY2022, #59 in FY2023 and not on the FY2025 list; down 20 since FY2023.
80	Granite Commercial Real Estate LLC Top agencies USAF (Department of the Air Force)	$825,222	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and #68 in FY2025; down 6 since FY2023.
81	Aphena Pharma Solutions Holdings, Inc. Through Aphena Pharma Solutions-Tennessee, LLC Top agencies VA (Department of Veterans Affairs)	$800,000	0.1%	Rank history: #39 in FY2021, #45 in FY2022, #45 in FY2023 and not on the FY2025 list; down 36 since FY2023.
82	Chenega Global Protection, LLC Top agencies DOS (Department of State)	$732,771	0.1%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2025; new.
83	Atigun Group, Inc. Top agencies EPA (Environmental Protection Agency)	$722,933	0.1%	Rank history: not on the FY2021 list, #81 in FY2022, #79 in FY2023 and #75 in FY2025; down 4 since FY2023.
84	Joint Logistics Managers, Inc. Top agencies DOT (Department of Transportation)	$655,888	0.1%	Rank history: not on the FY2021–FY2023 lists and #79 in FY2025; new.
85	Logcor, Inc. Top agencies Navy (Department of the Navy)	$651,462	0.1%	Rank history: #77 in FY2021, #83 in FY2022, #82 in FY2023 and #83 in FY2025; down 3 since FY2023.
86	Lakota Solutions LLC Top agencies DLA (Defense Logistics Agency)	$645,609	0.1%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #26 in FY2025; down 52 since FY2023.
87	Asahi General Trading and Contracting Co. WLL Top agencies DLA (Defense Logistics Agency)	$608,372	0.1%	Rank history: #67 in FY2021, #86 in FY2022, #80 in FY2023 and #85 in FY2025; down 7 since FY2023.
88	C B T Logistics, LLC Top agencies EPA (Environmental Protection Agency)	$587,568	0.1%	Rank history: #70 in FY2021, #78 in FY2022, #85 in FY2023 and not on the FY2025 list; down 3 since FY2023.
89	F & D Federal LLC Top agencies DOS (Department of State)	$586,792	0.1%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2023 and not on the FY2025 list; down 39 since FY2023.
90	American Operations Corporation Through AOC Logistics LLC Top agencies DLA (Defense Logistics Agency)	$563,142	0.1%	Rank history: #17 in FY2021, #26 in FY2022, #23 in FY2023 and not on the FY2025 list; down 67 since FY2023.
91	Projectxyz Inc. Through Premier Professional Systems Inc. Top agencies Army (Department of the Army)	$504,295	0.1%	Rank history: not on the FY2021–FY2023 lists and #95 in FY2025; up 13 since FY2023.
92	Zeal-It Trading and Contracting Top agencies DLA (Defense Logistics Agency)	$490,647	0.1%	Rank history: #73 in FY2021, #99 in FY2022, #84 in FY2023 and #99 in FY2025; down 8 since FY2023.
93	Bovis International Top agencies DOS (Department of State)	$486,664	0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and #91 in FY2025; down 1 since FY2023.
94	Gemini Tech Services LLC Top agencies USAF (Department of the Air Force)	$486,627	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
95	Platinum Logistics Solutions LLC Top agencies Army (Department of the Army)	$485,141	0.1%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023 and #90 in FY2025; down 2 since FY2023.
96	Soar 365 Top agencies Navy (Department of the Navy) Army (Department of the Army)	$484,250	0.1%	Rank history: #85 in FY2021, #92 in FY2022, #100 in FY2023 and #87 in FY2025; up 4 since FY2023.
97	UEI FMNKCLDS66W8 Top agencies Army (Department of the Army)	$477,084	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
98	Pride Industries Top agencies DMA (Defense Media Activity)	$412,639	<0.1%	Rank history: #92 in FY2021, not on the FY2022 list, #98 in FY2023 and #97 in FY2025; unchanged since FY2023.
99	Cherokee Nation Management & Consulting, L.l.c.. Top agencies Navy (Department of the Navy)	$395,322	<0.1%	Rank history: not on the FY2021–FY2023 lists and #56 in FY2025; new.
100	Mills Marine & Ship Repair LLC Top agencies Army (Department of the Army)	$389,974	<0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2025; new.

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100 of 262 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 49311

Code	Net obligations	Largest contractor
493110 General Warehousing and Storage	$774,972,385	Amentum Services, 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 $840 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.
Fiscal year 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 49311 contractors in FY2024?

1. Amentum Services, Inc. ($135M), 2. Iron Mountain Incorporated ($58.5M), 3. McKesson Corporation ($51.1M), 4. Valiant Technical Services Inc. ($43.8M), 5. Arcticom, LLC ($31.6M), 6. Olgoonik Federal LLC ($29.9M), 7. Synergy Logistics Services, LLC ($26.7M), 8. Life Science Logistics LLC ($24.3M), 9. Accent Controls, Inc. ($23.6M), 10. Americold Realty Trust ($22.6M).

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