Top 100 Contractors in PSC X1: Lease/Rental of Buildings, FY2023

Name: Top 100 Contractors in PSC X1: Lease/Rental of Buildings, FY2023
Creator: GovTribe

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

The top 10 won 44% of FY2023 PSC X1 contract dollars

Contract obligations: $456,189,318 Net of deobligations, by contracts coded PSC X1 or a code under it
Contractors: 1,552 Parent companies with an obligation
Largest contractor: Kinder Morgan, Inc. $48.7 million, 10.0% 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	Kinder Morgan, Inc. Through Kinder Morgan Tank Storage Terminals LLC Top agencies DLA (Defense Logistics Agency)	$48,682,268	10.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
2	Koman Sustainable Solutions, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$29,425,444	6.1%	Rank history: not on the FY2021 list, #19 in FY2022, #39 in FY2024 and #29 in FY2025; up 17 since FY2022.
3	Lima Charlie, Inc. Top agencies DHS (Department of Homeland Security)	$19,772,745	4.1%	Rank history: not on the FY2021 list, #15 in FY2022, #1 in FY2024 and #1 in FY2025; up 12 since FY2022.
4	Encore Dredging Founding Partners LLC Through Inland Dredging Company, L.L.C. Top agencies Army (Department of the Army)	$19,755,804	4.1%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and not on the FY2025 list; new.
5	Government of the United States 8 awardees, including Smithsonian Institution, Fa4877 355 Cons PK and United States Department of the Air Force Top agencies Smithsonian (Smithsonian Institution) USAF (Department of the Air Force) Navy (Department of the Navy)	$18,938,636	3.9%	Rank history: #82 in FY2021, #66 in FY2022, #6 in FY2024 and not on the FY2025 list; up 61 since FY2022.
6	Buckeye Terminals LLC Top agencies DOE (Department of Energy)	$18,163,980	3.7%	Rank history: #2 in FY2021, #3 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
7	TC Pennsy Drive LLC Top agencies Smithsonian (Smithsonian Institution)	$17,913,894	3.7%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2024 and not on the FY2025 list; new.
8	N.s.p. Ventures Corp. 2 awardees Top agencies Treasury (Department of the Treasury)	$16,548,927	3.4%	Rank history: #3 in FY2021, #5 in FY2022, #8 in FY2024 and #6 in FY2025; down 3 since FY2022.
9	Luhr Bros., Inc. Top agencies Army (Department of the Army)	$14,217,431	2.9%	Rank history: #6 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
10	Franklin Court Inc. Top agencies MCC (Millennium Challenge Corporation)	$7,982,312	1.6%	Rank history: #8 in FY2021, #11 in FY2022, not on the FY2024 list and #13 in FY2025; up 1 since FY2022.
11	Ma-Chis International Services, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$4,318,832	0.9%	Rank history: #18 in FY2021, #12 in FY2022, #24 in FY2024 and #26 in FY2025; up 1 since FY2022.
12	Parliament LLC Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce)	$4,205,762	0.9%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2024 and #4 in FY2025; new.
13	The Bank of New York Mellon Corporation Top agencies VA (Department of Veterans Affairs)	$3,927,157	0.8%	Rank history: #19 in FY2021, #8 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
14	5600 Fishers Lane LLC Top agencies HHS (Department of Health and Human Services)	$3,828,762	0.8%	Rank history: #17 in FY2021, #18 in FY2022, #19 in FY2024 and #19 in FY2025; up 4 since FY2022.
15	Jade At Olde Naples I LLC Top agencies DHS (Department of Homeland Security)	$3,790,563	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
16	Naples 1400 LLC Top agencies DHS (Department of Homeland Security)	$3,747,549	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
17	Forge Company Through Colonial Parking, Inc. Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) EOP (Executive Office of the President)	$3,601,003	0.7%	Rank history: #24 in FY2021, #24 in FY2022, #17 in FY2024 and #20 in FY2025; up 7 since FY2022.
18	Usgbf Nci, LLC Top agencies HHS (Department of Health and Human Services)	$3,542,400	0.7%	Rank history: #21 in FY2021, #22 in FY2022, #21 in FY2024 and #24 in FY2025; up 4 since FY2022.
19	Standard Parking Corporation 3 awardees, including SP Plus Corporation Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice) VA (Department of Veterans Affairs)	$3,391,204	0.7%	Rank history: #23 in FY2021, #17 in FY2022, #36 in FY2024 and #18 in FY2025; down 2 since FY2022.
20	Integrated Modular Solutions LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$3,265,540	0.7%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2024 and #39 in FY2025; up 93 since FY2022.
21	MHC Resort At Tranquility Lake LLC Top agencies DHS (Department of Homeland Security)	$2,619,000	0.5%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2024 and not on the FY2025 list; new.
22	Coin Wrap Inc. Top agencies Treasury (Department of the Treasury)	$2,598,395	0.5%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2024 and #37 in FY2025; new.
23	Microhealth LLC Top agencies DOS (Department of State)	$2,498,292	0.5%	Rank history: #70 in FY2021, #27 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
24	Pacific Layberthing South, LLC Top agencies DOT (Department of Transportation)	$2,484,598	0.5%	Rank history: #13 in FY2021, #70 in FY2022, #20 in FY2024 and #14 in FY2025; up 46 since FY2022.
25	Oxford Vista LLC Top agencies CNCS (Corporation for National and Community Service)	$2,414,663	0.5%	Rank history: #25 in FY2021, #33 in FY2022, #33 in FY2024 and #21 in FY2025; up 8 since FY2022.
26	Miami Nation Enterpeises Through Miami Wiipica, LLC Top agencies USAF (Department of the Air Force)	$2,285,400	0.5%	Rank history: #81 in FY2021, #30 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
27	Marriott International Inc. 17 awardees, including Bsrep II MBN LLC, Marriott International Administrative Services, Inc. and Courtyard Management Corporation Top agencies HHS (Department of Health and Human Services) USAID (US Agency for International Development) Commerce (Department of Commerce)	$2,280,352	0.5%	Rank history: not on the FY2021 list, #75 in FY2022 and not on the FY2024–FY2025 lists; up 48 since FY2022.
28	Mcclellan Business Park LLC Top agencies CNCS (Corporation for National and Community Service)	$2,174,432	0.4%	Rank history: #27 in FY2021, #42 in FY2022, #28 in FY2024 and #31 in FY2025; up 14 since FY2022.
29	Maryland Maritime, Inc. Top agencies DOT (Department of Transportation)	$2,144,620	0.4%	Rank history: #32 in FY2021, #34 in FY2022, #55 in FY2024 and #16 in FY2025; up 5 since FY2022.
30	Port of Moses Lake Top agencies USAF (Department of the Air Force)	$2,136,875	0.4%	Rank history: #35 in FY2021, #35 in FY2022, #34 in FY2024 and #30 in FY2025; up 5 since FY2022.
31	General Dynamics Corporation Through Metro Machine Corp. Top agencies DOT (Department of Transportation)	$2,109,090	0.4%	Rank history: #30 in FY2021, #32 in FY2022, #29 in FY2024 and #22 in FY2025; up 1 since FY2022.
32	Port Amherst Ltd. Through Amherst Madison, Inc. Top agencies Army (Department of the Army)	$2,103,718	0.4%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and not on the FY2025 list; up 187 since FY2022.
33	Wayne State University Top agencies HHS (Department of Health and Human Services)	$2,100,000	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	City of Vinton Top agencies CNCS (Corporation for National and Community Service)	$2,068,692	0.4%	Rank history: #52 in FY2021, #49 in FY2022, #40 in FY2024 and #45 in FY2025; up 15 since FY2022.
35	Mosswood Property Development LLC Top agencies DHS (Department of Homeland Security)	$2,005,390	0.4%	Rank history: #7 in FY2021, #9 in FY2022 and not on the FY2024–FY2025 lists; down 26 since FY2022.
36	Reasor Building Group LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,991,317	0.4%	Rank history: #40 in FY2021, #23 in FY2022, #26 in FY2024 and #60 in FY2025; down 13 since FY2022.
37	All Saints Episcopal School Top agencies CNCS (Corporation for National and Community Service)	$1,945,694	0.4%	Rank history: #31 in FY2021, #48 in FY2022, #45 in FY2024 and #48 in FY2025; up 11 since FY2022.
38	Veritas Capital Fund Management, L.L.C. Through Qinetiq Limited Top agencies USAF (Department of the Air Force)	$1,914,642	0.4%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and #17 in FY2025; new.
39	Philippine Coastal Storage & Pipeline Corporation Top agencies DLA (Defense Logistics Agency)	$1,836,000	0.4%	Rank history: not on the FY2021 list, #14 in FY2022, #50 in FY2024 and not on the FY2025 list; down 25 since FY2022.
40	LAZ Karp Associates LLC Through LAZ Parking Ltd, LLC Top agencies DOJ (Department of Justice) EOP (Executive Office of the President) DHS (Department of Homeland Security)	$1,763,369	0.4%	Rank history: not on the FY2021 list, #57 in FY2022, #57 in FY2024 and not on the FY2025 list; up 17 since FY2022.
41	Lockheed Martin Corporation 2 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy)	$1,648,326	0.3%	Rank history: #49 in FY2021, #29 in FY2022, #43 in FY2024 and #84 in FY2025; down 12 since FY2022.
42	The Pasha Group Through Pasha Hawaii Holdings LLC Top agencies DOT (Department of Transportation)	$1,599,960	0.3%	Rank history: #26 in FY2021, #26 in FY2022 and not on the FY2024–FY2025 lists; down 16 since FY2022.
43	Kallman Worldwide Inc. Top agencies DSCA (Defense Security Cooperation Agency)	$1,578,409	0.3%	Rank history: #84 in FY2021, #81 in FY2022, not on the FY2024 list and #65 in FY2025; up 38 since FY2022.
44	Aspen Distribution Inc. Top agencies Treasury (Department of the Treasury)	$1,536,926	0.3%	Rank history: not on the FY2021 list, #36 in FY2022, not on the FY2024 list and #51 in FY2025; down 8 since FY2022.
45	Life Safety Group, LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DHS (Department of Homeland Security)	$1,509,740	0.3%	Rank history: #33 in FY2021, #65 in FY2022, #56 in FY2024 and #36 in FY2025; up 20 since FY2022.
46	American Tower Corporation 27 awardees, including American Towers LLC, Spectrasite Communications, LLC and ATC Watertown LLC Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$1,404,903	0.3%	Rank history: #38 in FY2021, #43 in FY2022, #70 in FY2024 and not on the FY2025 list; down 3 since FY2022.
47	Aesthetic Home Investments LLC Top agencies DHS (Department of Homeland Security)	$1,399,628	0.3%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2024 and #7 in FY2025; new.
48	Sustainable Modular Management, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOI (Department of the Interior)	$1,374,955	0.3%	Rank history: #34 in FY2021, #21 in FY2022, not on the FY2024 list and #74 in FY2025; down 27 since FY2022.
49	State of California Controllers Office 5 awardees, including Regents of the University of California, College of the Law San Francisco and University of California, Davis Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) NASA (National Aeronautics and Space Administration)	$1,344,700	0.3%	Rank history: #58 in FY2021, #77 in FY2022 and not on the FY2024–FY2025 lists; up 28 since FY2022.
50	Nhc-Fl5 L.P. Top agencies DHS (Department of Homeland Security)	$1,296,000	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	The Partimage Group LLC 2 awardees Top agencies DHS (Department of Homeland Security)	$1,295,388	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #87 in FY2025; up 89 since FY2022.
52	DFW Lakes Hotel Opco, LLC Top agencies DHS (Department of Homeland Security)	$1,288,047	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 235 since FY2022.
53	RXR SL Reit LLC Top agencies GSA (General Services Administration)	$1,266,068	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	Auburn University Top agencies USDA (Department of Agriculture)	$1,228,224	0.3%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2024 and #99 in FY2025; up 246 since FY2022.
55	A C Blount Concrete Service Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$1,225,974	0.3%	Rank history: #37 in FY2021, #62 in FY2022, #91 in FY2024 and #88 in FY2025; up 7 since FY2022.
56	Usbgf Sentinel Square Iii, LLC Top agencies FCC (Federal Communications Commission)	$1,207,729	0.2%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2024 and #91 in FY2025; up 65 since FY2022.
57	Potomac Center North Inc. Top agencies DHS (Department of Homeland Security)	$1,190,564	0.2%	Rank history: #64 in FY2021, #50 in FY2022, #46 in FY2024 and #53 in FY2025; down 7 since FY2022.
58	Global Partners LP Through Global Companies LLC Top agencies DOE (Department of Energy)	$1,172,555	0.2%	Rank history: #10 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; down 38 since FY2022.
59	Fox River Graphics LLC Top agencies VA (Department of Veterans Affairs)	$1,083,458	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	Iris Development LLC Top agencies DHS (Department of Homeland Security)	$1,047,646	0.2%	Rank history: not on the FY2021 list, #39 in FY2022 and not on the FY2024–FY2025 lists; down 21 since FY2022.
61	Valor Healthcare Inc. Through Crassociates, Inc. Top agencies VA (Department of Veterans Affairs)	$1,023,636	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 44 since FY2022.
62	1 -800-Agentmatch.com, LLC Top agencies DHS (Department of Homeland Security)	$994,555	0.2%	Rank history: #96 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
63	Washington State Convention Center Public Facilities District Top agencies DOS (Department of State)	$972,384	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
64	Arabian Homes Co. Ltd. Top agencies Army (Department of the Army)	$946,935	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 299 since FY2022.
65	Gulf Oil Limited Partnership Through Pike Fuels Limited Partnership Top agencies DOE (Department of Energy)	$946,000	0.2%	Rank history: #51 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
66	Mittarfeqarfiit A / S Top agencies USAF (Department of the Air Force)	$941,659	0.2%	Rank history: #71 in FY2021, #76 in FY2022, #71 in FY2024 and #73 in FY2025; up 10 since FY2022.
67	Vectrus Systems Corporation Through V2X Systems LLC Top agencies Navy (Department of the Navy)	$915,922	0.2%	Rank history: #61 in FY2021, #63 in FY2022, #31 in FY2024 and not on the FY2025 list; down 4 since FY2022.
68	Hyatt Corporation 7 awardees Top agencies VA (Department of Veterans Affairs) ED (Department of Education) Navy (Department of the Navy)	$914,116	0.2%	Rank history: not on the FY2021 list, #45 in FY2022 and not on the FY2024–FY2025 lists; down 23 since FY2022.
69	Natives of Kodiak, Incorporated Through Koman Construction, LLC Top agencies USAF (Department of the Air Force)	$884,551	0.2%	Rank history: not on the FY2021 list, #46 in FY2022 and not on the FY2024–FY2025 lists; down 23 since FY2022.
70	Structured Facilities JV LLC Top agencies USAF (Department of the Air Force)	$883,378	0.2%	Rank history: not on the FY2021 list, #67 in FY2022, #66 in FY2024 and #71 in FY2025; down 3 since FY2022.
71	The Bahrain Petroleum Company BSC (CLOSED) Through Arab Shipbuilding & Repair Yard Co. (Asry) Top agencies Navy (Department of the Navy)	$876,150	0.2%	Rank history: not on the FY2021 list, #87 in FY2022 and not on the FY2024–FY2025 lists; up 16 since FY2022.
72	Critical Contingency Solutions LLC Top agencies Army (Department of the Army)	$866,744	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Usgbf One Liberty Center LLC Top agencies Navy (Department of the Navy)	$855,540	0.2%	Rank history: not on the FY2021 list, #72 in FY2022, #97 in FY2024 and #79 in FY2025; down 1 since FY2022.
74	NCC PS Enterprises, LLC Top agencies Navy (Department of the Navy) DCMA (Defense Contract Management Agency) USAF (Department of the Air Force)	$823,820	0.2%	Rank history: #59 in FY2021, not on the FY2022 list, #63 in FY2024 and #58 in FY2025; up 60 since FY2022.
75	Modular Concepts, Inc. Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture)	$814,713	0.2%	Rank history: #62 in FY2021, #95 in FY2022 and not on the FY2024–FY2025 lists; up 20 since FY2022.
76	GRP Silo LLC Top agencies DOT (Department of Transportation)	$800,000	0.2%	Rank history: #73 in FY2021, #58 in FY2022, #80 in FY2024 and not on the FY2025 list; down 18 since FY2022.
77	Usgbf NSF LLC Top agencies NSF (National Science Foundation)	$798,718	0.2%	Rank history: #55 in FY2021, #83 in FY2022, #73 in FY2024 and not on the FY2025 list; up 6 since FY2022.
78	Hilton Worldwide, Inc. 9 awardees, including Hilton Italiana S.R.L., King Street Station Hotel Associates Lessee LLC and San Jose Lessee LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$796,429	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 131 since FY2022.
79	Trade Center Management Associates L.L.C. Top agencies Commerce (Department of Commerce) DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$786,678	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #94 in FY2025; up 92 since FY2022.
80	Penn Parking Inc. Top agencies HHS (Department of Health and Human Services) MCC (Millennium Challenge Corporation) DHS (Department of Homeland Security)	$781,598	0.2%	Rank history: #77 in FY2021, #44 in FY2022, #59 in FY2024 and #66 in FY2025; down 36 since FY2022.
81	Faith Rentals LLC Top agencies DHS (Department of Homeland Security)	$778,957	0.2%	Rank history: not on the FY2021 list, #85 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
82	Onex Corporation Through SMG Holdings LLC Top agencies DOS (Department of State) DHS (Department of Homeland Security)	$771,780	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 20 since FY2022.
83	Kwikspace Guam Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$771,022	0.2%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and #68 in FY2025; new.
84	Id Fort LLC Top agencies DOJ (Department of Justice)	$768,000	0.2%	Rank history: #86 in FY2021, #64 in FY2022, #68 in FY2024 and #70 in FY2025; down 20 since FY2022.
85	Bulfinch Unit A Owner LLC Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) DOS (Department of State)	$765,250	0.2%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2024 and not on the FY2025 list; new.
86	Imperial Parking (U.S.) LLC 3 awardees Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) DOS (Department of State)	$756,514	0.2%	Rank history: #72 in FY2021, #71 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
87	S365 Inc. Top agencies NLRB (National Labor Relations Board) Army (Department of the Army) USAF (Department of the Air Force)	$754,367	0.2%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2024 and not on the FY2025 list; up 51 since FY2022.
88	Iron Mountain Incorporated 4 awardees, including Crozier Fine Arts Inc., Iron Mountain Information Management LLC and Iron Mountain / National Underground Storage, Inc. Top agencies Smithsonian (Smithsonian Institution) PBGC (Pension Benefit Guaranty Corporation)	$748,050	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #69 in FY2025; up 196 since FY2022.
89	Pasha Hawaii Holdings LLC Top agencies DOT (Department of Transportation)	$744,724	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	Host Hotels & Resorts Inc. 13 awardees, including Cchp Waikiki LLC, HST Lessee Cmbs LLC and HST Lessee West Seattle, LLC Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$731,239	0.2%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2024 and not on the FY2025 list; up 78 since FY2022.
91	Ecology Mir Group LLC Top agencies DOJ (Department of Justice) DOI (Department of the Interior) OSD (Office of the Secretary of Defense)	$723,005	0.1%	Rank history: #80 in FY2021, #78 in FY2022, #54 in FY2024 and #90 in FY2025; down 13 since FY2022.
92	Kohler Co. Top agencies DOT (Department of Transportation)	$720,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Dawson Enterprises, Inc. Top agencies Navy (Department of the Navy)	$712,149	0.1%	Rank history: #41 in FY2021, #84 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
94	SKE Technical Services GMBH Through SKE SRL Top agencies USAF (Department of the Air Force)	$689,958	0.1%	Rank history: #88 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 61 since FY2022.
95	Philadelphia Parking Authority Top agencies Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$689,195	0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #42 in FY2024 and #43 in FY2025; down 15 since FY2022.
96	Omni Hotels Management Corporation 3 awardees, including Omni Charlottesville Virginia Corporation and Omni Hotels Corporation Top agencies HUD (Department of Housing and Urban Development) ED (Department of Education) EXIM (Export Import Bank of the US)	$682,363	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 48 since FY2022.
97	Trinity University Top agencies Army (Department of the Army)	$679,875	0.1%	Rank history: not on the FY2021 list, #79 in FY2022, #75 in FY2024 and #75 in FY2025; down 18 since FY2022.
98	Guardian Centers of Georgia, LLC Top agencies DOE (Department of Energy) DHS (Department of Homeland Security)	$639,413	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 50 since FY2022.
99	Luhr Crosby, LLC Top agencies Army (Department of the Army)	$626,892	0.1%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2024 and not on the FY2025 list; new.
100	KVG LLC Top agencies Army (Department of the Army)	$625,694	0.1%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and #46 in FY2025; new.

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100 of 1,552 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC X1

Code	Net obligations	Largest contractor
X1AA Lease/Rental of Office Buildings	$85,109,446	Government of the United States
X1AB Lease/Rental of Conference Space and Facilities	$45,244,617	Marriott International Inc.
X1LZ Lease/Rental of Parking Facilities	$45,162,836	The Bank of New York Mellon Corporation
X1PZ Lease/Rental of Other Non-Building Facilities	$38,323,881	MHC Resort At Tranquility Lake LLC
X1AZ Lease/Rental of Other Administrative Facilities and Service Buildings	$37,442,285	Koman Sustainable Solutions, LLC
X1FZ Lease/Rental of Other Residential Buildings	$25,957,023	Lima Charlie, Inc.
X1FA Lease/Rental of Family Housing Facilities	$13,552,919	Jade At Olde Naples I LLC
X1PA Lease/Rental of Recreation Facilities (Non-Building)	$12,615,318	Parliament LLC
X1GD Lease/Rental of Open Storage Facilities	$11,248,816	Coin Wrap Inc.
X1JZ Lease/Rental of Miscellaneous Buildings	$8,795,907	Iron Mountain Incorporated
X1GZ Lease/Rental of Other Warehouse Buildings	$2,997,976	Aspen Distribution Inc.
X1BG Lease/Rental of Electronic and Communications Facilities	$2,916,060	American Tower Corporation
X1FC Lease/Rental of Troop Housing Facilities	$2,614,478	Government of the United States
X1FB Lease/Rental of Recreational Buildings	$2,411,293	Go & Zalez Inc.
X1BZ Lease/Rental of Other Airfield Structures	$1,875,779	Mittarfeqarfiit A / S

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 $484 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 X1 contractors in FY2023?

1. Kinder Morgan, Inc. ($48.7M), 2. Koman Sustainable Solutions, LLC ($29.4M), 3. Lima Charlie, Inc. ($19.8M), 4. Encore Dredging Founding Partners LLC ($19.8M), 5. Government of the United States ($18.9M), 6. Buckeye Terminals LLC ($18.2M), 7. TC Pennsy Drive LLC ($17.9M), 8. N.s.p. Ventures Corp. ($16.5M), 9. Luhr Bros., Inc. ($14.2M), 10. Franklin Court Inc. ($7.98M).

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