Top 100 Contractors in PSC 54: Prefabricated Structures/Scaffolding, FY2023

Name: Top 100 Contractors in PSC 54: Prefabricated Structures/Scaffolding, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 57% of FY2023 PSC 54 contract dollars

Contract obligations: $567,751,506 Net of deobligations, by contracts coded PSC 54 or a code under it
Contractors: 689 Parent companies with an obligation
Largest contractor: Leonardo S.p.A. $66 million, 10.9% 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	Leonardo S.p.A. Through DRS Sustainment Systems, Inc. Top agencies Army (Department of the Army)	$65,991,346	10.9%	Rank history: #2 in FY2021, #7 in FY2022, #2 in FY2024 and #2 in FY2025; up 6 since FY2022.
2	Reece Group Limited Through Pearson Engineering Limited Top agencies Army (Department of the Army)	$50,530,439	8.3%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2024 and not on the FY2025 list; new.
3	Gibbco LLC Top agencies DHS (Department of Homeland Security)	$43,012,267	7.1%	Rank history: #53 in FY2021, #2 in FY2022, not on the FY2024 list and #11 in FY2025; down 1 since FY2022.
4	Modular Management Group Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$35,672,149	5.9%	Rank history: #24 in FY2021, #13 in FY2022, #10 in FY2024 and #13 in FY2025; up 9 since FY2022.
5	Reliance Steel & Aluminum Co Through I-Solutions Direct, Inc. Top agencies DLA (Defense Logistics Agency)	$34,762,030	5.7%	Rank history: #4 in FY2021, #4 in FY2022, #48 in FY2024 and not on the FY2025 list; down 1 since FY2022.
6	American Homestar Corporation Top agencies DHS (Department of Homeland Security)	$33,502,525	5.5%	Rank history: #45 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 177 since FY2022.
7	L3Harris Technologies, Inc. Through L3Harris Technologies Integrated Systems L.P. Top agencies USAF (Department of the Air Force)	$21,352,935	3.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
8	GSH of Alabama LLC Top agencies DHS (Department of Homeland Security)	$20,310,625	3.3%	Rank history: #49 in FY2021, #3 in FY2022, #8 in FY2024 and not on the FY2025 list; down 5 since FY2022.
9	Supplycore LLC Top agencies DLA (Defense Logistics Agency)	$20,211,565	3.3%	Rank history: not on the FY2021 list, #15 in FY2022, #22 in FY2024 and #3 in FY2025; up 6 since FY2022.
10	O'Neal Industries Inc Through TW Metals, Inc. Top agencies DLA (Defense Logistics Agency)	$19,852,640	3.3%	Rank history: #5 in FY2021, #8 in FY2022, #18 in FY2024 and #17 in FY2025; down 2 since FY2022.
11	Avon Engineered Fabrications LLC Through Aef-Performance LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$8,570,680	1.4%	Rank history: #70 in FY2021, #17 in FY2022, #92 in FY2024 and not on the FY2025 list; up 6 since FY2022.
12	Champion Home Builders Inc. Top agencies DHS (Department of Homeland Security)	$8,368,995	1.4%	Rank history: #52 in FY2021, #1 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
13	Cavco Industries, Inc. Through Lexington Homes, Inc. Top agencies DHS (Department of Homeland Security)	$7,725,835	1.3%	Rank history: #79 in FY2021, #65 in FY2022 and not on the FY2024–FY2025 lists; up 52 since FY2022.
14	PCI Support Services LLC Top agencies HHS (Department of Health and Human Services)	$7,576,150	1.2%	Rank history: #17 in FY2021, #34 in FY2022, #7 in FY2024 and #20 in FY2025; up 20 since FY2022.
15	Hesco Bastion Ltd Top agencies DLA (Defense Logistics Agency)	$7,032,023	1.2%	Rank history: not on the FY2021 list, #77 in FY2022, #16 in FY2024 and not on the FY2025 list; up 62 since FY2022.
16	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$6,889,535	1.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
17	Kratos Defense & Security Solutions, Inc. Through Gichner Systems Group, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$6,674,758	1.1%	Rank history: #10 in FY2021, #16 in FY2022, #15 in FY2024 and #16 in FY2025; down 1 since FY2022.
18	King Fabrication, L.L.C. Top agencies Army (Department of the Army)	$5,705,976	0.9%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
19	Nally & Haydon, LLC Through Armag Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHS (Department of Homeland Security)	$5,207,098	0.9%	Rank history: #33 in FY2021, #24 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
20	Specialized Testing and Construction, Inc. Top agencies USAF (Department of the Air Force)	$4,902,699	0.8%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2024 and not on the FY2025 list; new.
21	Sealaska Secure Construction Solutions, LLC Top agencies DOJ (Department of Justice)	$4,046,391	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
22	Berkshire Hathaway Inc. 2 awardees, including CMH Manufacturing, Inc. and CMH Homes Inc. Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior)	$3,860,319	0.6%	Rank history: #65 in FY2021, #5 in FY2022 and not on the FY2024–FY2025 lists; down 17 since FY2022.
23	Edco, Inc. Top agencies Navy (Department of the Navy)	$3,655,526	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 153 since FY2022.
24	Agate Construction Inc. Through Agate Steel Inc. Top agencies USAF (Department of the Air Force)	$3,491,356	0.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #19 in FY2025; new.
25	Trac9 LLC Top agencies USAF (Department of the Air Force)	$3,417,583	0.6%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2024 and #45 in FY2025; up 139 since FY2022.
26	Integrated 8(A) Solutions, Inc. Top agencies Army (Department of the Army)	$3,400,829	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
27	L. B. Foster Company Through CXT Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$3,337,894	0.5%	Rank history: #36 in FY2021, #31 in FY2022, #46 in FY2024 and not on the FY2025 list; up 4 since FY2022.
28	Maccaferri Inc. Top agencies DLA (Defense Logistics Agency)	$3,103,304	0.5%	Rank history: not on the FY2021 list, #35 in FY2022, #19 in FY2024 and not on the FY2025 list; up 7 since FY2022.
29	Doyon Government Contracting Inc. Through Doyon Technical Services, LLC Top agencies DOE (Department of Energy)	$2,784,160	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
30	CV International, Inc. Top agencies USAF (Department of the Air Force)	$2,544,692	0.4%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2024 and #64 in FY2025; up 439 since FY2022.
31	Integrated Modular Solutions LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$2,052,427	0.3%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2024 and #47 in FY2025; new.
32	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$2,041,289	0.3%	Rank history: #6 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; down 26 since FY2022.
33	Kwikspace Guam Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$2,025,735	0.3%	Rank history: #69 in FY2021, #43 in FY2022, #67 in FY2024 and not on the FY2025 list; up 10 since FY2022.
34	Uh Structures Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) USDA (Department of Agriculture)	$1,997,867	0.3%	Rank history: #21 in FY2021, not on the FY2022 list, #88 in FY2024 and #78 in FY2025; returned.
35	Steris Corporation Top agencies VA (Department of Veterans Affairs)	$1,921,924	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
36	Tawreek Dimensions Establishment (Tde) Top agencies USAF (Department of the Air Force)	$1,742,345	0.3%	Rank history: not on the FY2021 list, #71 in FY2022, not on the FY2024 list and #66 in FY2025; up 35 since FY2022.
37	Advanced Computer Concepts, Inc. Top agencies Navy (Department of the Navy)	$1,721,438	0.3%	Rank history: #56 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
38	Ranger Land Systems, Inc. Top agencies DHS (Department of Homeland Security)	$1,639,195	0.3%	Rank history: #57 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
39	Sea Box, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$1,607,101	0.3%	Rank history: #44 in FY2021, #60 in FY2022 and not on the FY2024–FY2025 lists; up 21 since FY2022.
40	Vesta Housing Solutions, LLC Top agencies Army (Department of the Army)	$1,530,816	0.3%	Rank history: not on the FY2021 list, #42 in FY2022, #56 in FY2024 and #41 in FY2025; up 2 since FY2022.
41	Aarcorp Through AAR Manufacturing, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) GSA (General Services Administration)	$1,448,203	0.2%	Rank history: #20 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; down 21 since FY2022.
42	Dupont Building, Inc. Top agencies DOT (Department of Transportation)	$1,423,237	0.2%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2024 and #26 in FY2025; new.
43	B.e. Peterson, Inc. Top agencies USAF (Department of the Air Force)	$1,399,200	0.2%	Rank history: not on the FY2021 list, #62 in FY2022, #60 in FY2024 and not on the FY2025 list; up 19 since FY2022.
44	Vista Outdoor Inc. Through Camelbak Products, LLC Top agencies GSA (General Services Administration)	$1,372,405	0.2%	Rank history: #58 in FY2021, #48 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
45	Fabritex, Inc. Top agencies Army (Department of the Army)	$1,344,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2024 and #33 in FY2025; new.
46	Handymench Home Repair Services Ltd Top agencies USAF (Department of the Air Force)	$1,309,890	0.2%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and not on the FY2025 list; new.
47	Prime One Group General Trading and Contracting Company WLL Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$1,288,541	0.2%	Rank history: #38 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 442 since FY2022.
48	Denco, Inc. Top agencies USAF (Department of the Air Force)	$1,286,912	0.2%	Rank history: #71 in FY2021, not on the FY2022 list, not on the FY2024 list and #90 in FY2025; returned.
49	Elite Aluminum Corp Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$1,275,595	0.2%	Rank history: #7 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
50	Nadler Mobile, LLC Top agencies DHS (Department of Homeland Security)	$1,243,232	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	SES Electrical LLC 2 awardees Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce)	$1,206,469	0.2%	Rank history: not on the FY2021 list, #79 in FY2022 and not on the FY2024–FY2025 lists; up 28 since FY2022.
52	Norfleet L.L.C. Top agencies Navy (Department of the Navy)	$1,194,321	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Premier Scaffold, Inc. Top agencies Navy (Department of the Navy)	$1,067,338	0.2%	Rank history: not on the FY2021 list, #85 in FY2022, #76 in FY2024 and #63 in FY2025; up 32 since FY2022.
54	Laser Shot, Inc. Top agencies VA (Department of Veterans Affairs)	$1,059,996	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
55	Western Metal Supply Company, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,058,284	0.2%	Rank history: #14 in FY2021, #94 in FY2022, not on the FY2024 list and #77 in FY2025; up 39 since FY2022.
56	Ahtna, Incorporated Through Ahtna Global LLC Top agencies USDA (Department of Agriculture)	$1,030,671	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
57	Bizzell Corp Top agencies DOS (Department of State)	$1,011,625	0.2%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2024 and not on the FY2025 list; new.
58	Specialist Services LLC Top agencies USAF (Department of the Air Force)	$987,416	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
59	Fabrication Products Inc. Top agencies Army (Department of the Army)	$935,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	Clamshell Structures Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$928,722	0.2%	Rank history: not on the FY2021 list, #32 in FY2022 and not on the FY2024–FY2025 lists; down 28 since FY2022.
61	Victory Global Solutions, Inc. Top agencies USAF (Department of the Air Force)	$897,985	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	Champions Collective, LLC Top agencies DHA (Defense Health Agency)	$885,528	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
63	Assisted Building Solutions LLC Top agencies DHA (Defense Health Agency)	$884,777	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
64	Creek Government Services Co. Top agencies DHS (Department of Homeland Security)	$878,554	0.1%	Rank history: not on the FY2021 list, #99 in FY2022 and not on the FY2024–FY2025 lists; up 35 since FY2022.
65	BC Concrete Inc Top agencies USDA (Department of Agriculture) Army (Department of the Army) DOI (Department of the Interior)	$878,125	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 189 since FY2022.
66	Infinite Technologies Rcs, Inc. Top agencies USAF (Department of the Air Force)	$865,496	0.1%	Rank history: not on the FY2021 list, #49 in FY2022 and not on the FY2024–FY2025 lists; down 17 since FY2022.
67	Hunter Saak Investments, LLC Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture)	$852,892	0.1%	Rank history: #35 in FY2021, #39 in FY2022 and not on the FY2024–FY2025 lists; down 28 since FY2022.
68	Native Instinct LLC Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$846,447	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Acquisition Research & Logistics Inc. Top agencies DHS (Department of Homeland Security)	$813,560	0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and not on the FY2025 list; new.
70	Site Work Solutions Top agencies DOE (Department of Energy)	$799,766	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Spaceworx Inc. Top agencies DOJ (Department of Justice)	$758,880	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	Saudi Naval Support Co. Top agencies USAF (Department of the Air Force)	$747,454	0.1%	Rank history: not on the FY2021 list, #63 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
73	Correct Company for General Trading & Construction Contracts Ltd. Top agencies Army (Department of the Army)	$746,469	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 35 since FY2022.
74	Bering Straits Native Corporation Through Arcticom, LLC Top agencies DOS (Department of State)	$730,665	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
75	Bike Track, Inc. Top agencies GSA (General Services Administration)	$694,337	0.1%	Rank history: #83 in FY2021, #92 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
76	San-I-Pak Pacific, Inc. Top agencies VA (Department of Veterans Affairs)	$693,042	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	Uts Systems LLC Top agencies USAF (Department of the Air Force)	$637,836	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #12 in FY2025; new.
78	Green Flush Technologies LLC Top agencies Army (Department of the Army)	$624,840	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Stripes Global, Inc. Top agencies VA (Department of Veterans Affairs)	$613,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 103 since FY2022.
80	Boom Concrete Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$603,361	0.1%	Rank history: #73 in FY2021, #81 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
81	Big Top Manufacturing LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHS (Department of Homeland Security)	$598,146	0.1%	Rank history: #39 in FY2021, #50 in FY2022, #38 in FY2024 and #62 in FY2025; down 31 since FY2022.
82	Scott Morton Manufacturing Top agencies Navy (Department of the Navy)	$578,415	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 102 since FY2022.
83	Kekolu-Rio Vista Joint Venture, LLC Top agencies Army (Department of the Army)	$568,727	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	General Southern Industries Inc Through G & G Steel Inc. Top agencies Army (Department of the Army)	$565,092	0.1%	Rank history: #19 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
85	Scif Solutions Inc. Top agencies Navy (Department of the Navy)	$530,620	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Vast Industries, LLC Top agencies Army (Department of the Army)	$521,972	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
87	SSR Engineering, Incorporated Top agencies Navy (Department of the Navy)	$518,198	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Air Shelters USA LLC Top agencies USAF (Department of the Air Force)	$509,633	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 254 since FY2022.
89	Sustainable Modular Management, Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) Army (Department of the Army)	$509,194	0.1%	Rank history: #64 in FY2021, #22 in FY2022, not on the FY2024 list and #80 in FY2025; down 67 since FY2022.
90	Sharkcage Inc. Top agencies DLA (Defense Logistics Agency)	$506,055	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #86 in FY2025; up 44 since FY2022.
91	Justin J. Reeves L.L.C. Top agencies Army (Department of the Army)	$492,045	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	Purchinex LLC Top agencies DOI (Department of the Interior)	$488,075	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Ana Sourcing LLC Top agencies DLA (Defense Logistics Agency)	$487,402	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 100 since FY2022.
94	Innovative Hydraulics LLC Top agencies Army (Department of the Army)	$483,452	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	AQ Global for General Trading & Contracting Co. W.L.L. Top agencies USAF (Department of the Air Force)	$478,180	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Modular Genius Inc. Top agencies USDA (Department of Agriculture)	$477,290	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 37 since FY2022.
97	Aggieland Solutions LLC Top agencies USAF (Department of the Air Force)	$473,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	Fedsource Inc Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOI (Department of the Interior)	$466,939	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #44 in FY2025; new.
99	Joaquin Manufacturing Corp Top agencies DOT (Department of Transportation)	$461,710	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Mcgrath Rentcorp Top agencies DOI (Department of the Interior) NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$460,654	0.1%	Rank history: #32 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 60 since FY2022.

Show 75 more

100 of 689 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC 54

Code	Net obligations	Largest contractor
5450 Miscellaneous Prefabricated Structures	$240,638,767	Gibbco LLC
5410 Prefabricated and Portable Buildings	$120,848,210	Modular Management Group Inc.
5420 Bridges, Fixed and Floating	$120,005,611	Leonardo S.p.A.
5430 Storage Tanks	$27,817,211	Avon Engineered Fabrications LLC
5411 Rigid Wall Shelters	$12,623,513	Kratos Defense & Security Solutions, Inc.
5440 Scaffolding Equipment and Concrete Forms	$9,694,018	Denco, Inc.
5419 Collective Modular Support System	$9,047,573	CV International, 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 $608 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 PSC 54 contractors in FY2023?

1. Leonardo S.p.A. ($66M), 2. Reece Group Limited ($50.5M), 3. Gibbco LLC ($43M), 4. Modular Management Group Inc. ($35.7M), 5. Reliance Steel & Aluminum Co ($34.8M), 6. American Homestar Corporation ($33.5M), 7. L3Harris Technologies, Inc. ($21.4M), 8. GSH of Alabama LLC ($20.3M), 9. Supplycore LLC ($20.2M), 10. O'Neal Industries Inc ($19.9M).

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