Top 100 Contractors in NAICS 531: Real Estate, FY2025

Name: Top 100 Contractors in NAICS 531: Real Estate, FY2025
Creator: GovTribe

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

The top 10 won 35% of FY2025 NAICS 531 contract dollars

Contract obligations: $495,216,858 Net of deobligations, by contracts coded NAICS 531 or a code under it
Contractors: 935 Parent companies with an obligation
Largest contractor: Lima Charlie, Inc. $59.2 million, 7.1% 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	Lima Charlie, Inc. Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce)	$59,228,318	7.1%	Rank history: #91 in FY2021, #25 in FY2022, #7 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Information Systems & Networks Corporation Top agencies USDA (Department of Agriculture) Navy (Department of the Navy)	$45,315,695	5.4%	Rank history: not on the FY2021 list, #27 in FY2022, #1 in FY2023 and #3 in FY2024; up 1 since FY2024.
3	Parliament LLC Top agencies DHS (Department of Homeland Security)	$37,132,717	4.4%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2023 and #4 in FY2024; up 1 since FY2024.
4	Dawson's Realty & Mortgages, Inc. Top agencies USDA (Department of Agriculture)	$32,954,652	3.9%	Rank history: #3 in FY2021, #17 in FY2022, #2 in FY2023 and #2 in FY2024; down 2 since FY2024.
5	Vendor Resource Management, Inc. Top agencies VA (Department of Veterans Affairs)	$29,813,335	3.6%	Rank history: not on the FY2021 list, #30 in FY2022, #6 in FY2023 and #26 in FY2024; up 21 since FY2024.
6	Franconia Real Estate Services, Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) SSA (Social Security Administration)	$22,259,947	2.7%	Rank history: #11 in FY2021, #10 in FY2022, #16 in FY2023 and #11 in FY2024; up 5 since FY2024.
7	Smithsonian Institution Top agencies Smithsonian (Smithsonian Institution)	$20,720,456	2.5%	Rank history: not on the FY2021–FY2024 lists; new.
8	N.S.P. Ventures Corp. Top agencies Treasury (Department of the Treasury)	$17,664,494	2.1%	Rank history: #6 in FY2021, #9 in FY2022, #10 in FY2023 and #13 in FY2024; up 5 since FY2024.
9	Leumas Residential LLC Top agencies HUD (Department of Housing and Urban Development)	$16,935,113	2.0%	Rank history: not on the FY2021 list, #38 in FY2022, #5 in FY2023 and #9 in FY2024; unchanged since FY2024.
10	Aesthetic Home Investments LLC Top agencies DHS (Department of Homeland Security)	$14,878,834	1.8%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #8 in FY2024; down 2 since FY2024.
11	Countrywide Quality Services, LLC Top agencies Navy (Department of the Navy)	$11,706,592	1.4%	Rank history: not on the FY2021–FY2024 lists; new.
12	Colliers International Greater LOS Angeles Inc Top agencies DOJ (Department of Justice)	$9,997,565	1.2%	Rank history: not on the FY2021–FY2024 lists; new.
13	DMC Management Services, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$9,310,106	1.1%	Rank history: #10 in FY2021, #12 in FY2022, #15 in FY2023 and #17 in FY2024; up 4 since FY2024.
14	A Team Realty Inc. Top agencies HUD (Department of Housing and Urban Development)	$9,150,466	1.1%	Rank history: #23 in FY2021, #58 in FY2022, not on the FY2023 list and #19 in FY2024; up 5 since FY2024.
15	Ma-Chis International Services, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$8,358,187	1.0%	Rank history: #21 in FY2021, #14 in FY2022, #17 in FY2023 and #16 in FY2024; up 1 since FY2024.
16	Nixon & Nixon Inc. Top agencies Navy (Department of the Navy)	$7,617,600	0.9%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; up 15 since FY2024.
17	Bgrs Relocation Inc. Top agencies Treasury (Department of the Treasury) DHS (Department of Homeland Security) DOE (Department of Energy)	$7,584,522	0.9%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; up 3 since FY2024.
18	Tbp&Jj Worldwide Services, LLC Top agencies NASA (National Aeronautics and Space Administration)	$7,039,899	0.8%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2023 and #23 in FY2024; up 5 since FY2024.
19	Trizechahn Colony Square GP Limited Liability Company Top agencies Smithsonian (Smithsonian Institution)	$6,735,375	0.8%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2023 and #21 in FY2024; up 2 since FY2024.
20	Madison Hospitality Services, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$6,365,674	0.8%	Rank history: #56 in FY2021, #72 in FY2022, #21 in FY2023 and #29 in FY2024; up 9 since FY2024.
21	TC Pennsy Drive LLC Top agencies Smithsonian (Smithsonian Institution)	$6,266,301	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
22	Hines GS Properties LLC Top agencies HHS (Department of Health and Human Services)	$5,614,638	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
23	Franklin Court Inc. Top agencies MCC (Millennium Challenge Corporation)	$5,281,161	0.6%	Rank history: #15 in FY2021, #21 in FY2022, #19 in FY2023 and not on the FY2024 list; returned.
24	Concourse Federal Group LLC Top agencies VA (Department of Veterans Affairs)	$5,049,353	0.6%	Rank history: #8 in FY2021, #11 in FY2022, #11 in FY2023 and #18 in FY2024; down 6 since FY2024.
25	Raine & Company LLC Top agencies HUD (Department of Housing and Urban Development)	$4,990,202	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
26	Verdi Consulting Inc Top agencies USDA (Department of Agriculture)	$4,274,961	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
27	24 Asset Management Corp Top agencies HUD (Department of Housing and Urban Development)	$3,899,379	0.5%	Rank history: not on the FY2021 list, #1 in FY2022, not on the FY2023 list and #5 in FY2024; down 22 since FY2024.
28	Oxford Vista LLC Top agencies CNCS (Corporation for National and Community Service)	$3,829,955	0.5%	Rank history: #37 in FY2021, #45 in FY2022, #39 in FY2023 and #41 in FY2024; up 13 since FY2024.
29	Specialized Testing and Construction, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$3,758,589	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
30	Usgbf Nci, LLC Top agencies HHS (Department of Health and Human Services)	$3,758,132	0.4%	Rank history: #31 in FY2021, #37 in FY2022, #31 in FY2023 and #30 in FY2024; unchanged since FY2024.
31	Haven Housing Solutions, LLC Top agencies DHS (Department of Homeland Security)	$3,433,662	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
32	5600 Fishers Lane LLC Top agencies HHS (Department of Health and Human Services)	$3,329,428	0.4%	Rank history: #28 in FY2021, #31 in FY2022, #27 in FY2023 and #28 in FY2024; down 4 since FY2024.
33	Kwikspace Guam Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$3,170,834	0.4%	Rank history: #71 in FY2021, #99 in FY2022, #42 in FY2023 and #37 in FY2024; up 4 since FY2024.
34	Ascribe, LLC Top agencies USDA (Department of Agriculture)	$3,155,900	0.4%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2024; up 1 since FY2024.
35	Heartland Energy Partners LLC Top agencies USDA (Department of Agriculture)	$3,155,900	0.4%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #36 in FY2024; up 1 since FY2024.
36	2025 E Street Office Leasehold Condominium Unit Owners Association, Inc. Top agencies DOS (Department of State)	$3,132,417	0.4%	Rank history: #46 in FY2021, #48 in FY2022, #47 in FY2023 and #42 in FY2024; up 6 since FY2024.
37	Koman Sustainable Solutions, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$3,006,486	0.4%	Rank history: not on the FY2021 list, #34 in FY2022, #3 in FY2023 and #48 in FY2024; up 11 since FY2024.
38	Environmental Chemical Corporation Top agencies Navy (Department of the Navy)	$2,957,189	0.4%	Rank history: #29 in FY2021, #28 in FY2022, #28 in FY2023 and #32 in FY2024; down 6 since FY2024.
39	Jones Lang Lasalle Americas, Inc. 2 awardees, including JLL Valuation & Advisory Services, LLC Top agencies Treasury (Department of the Treasury) DOS (Department of State) VA (Department of Veterans Affairs)	$2,823,969	0.3%	Rank history: not on the FY2021–FY2024 lists; up 117 since FY2024.
40	Morlock Enterprises, LLC Top agencies DHS (Department of Homeland Security)	$2,753,793	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
41	JM Zell Partners, Ltd. Top agencies National Gallery of Art	$2,527,058	0.3%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; up 27 since FY2024.
42	Aktio Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$2,446,612	0.3%	Rank history: #33 in FY2021, #52 in FY2022, #96 in FY2023 and #47 in FY2024; up 5 since FY2024.
43	Mcclellan Business Park LLC Top agencies CNCS (Corporation for National and Community Service)	$2,317,323	0.3%	Rank history: #40 in FY2021, #57 in FY2022, #45 in FY2023 and #39 in FY2024; down 4 since FY2024.
44	Miami Wiipica, LLC Top agencies USAF (Department of the Air Force)	$2,285,400	0.3%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; down 1 since FY2024.
45	Cbre Inc. Top agencies DOS (Department of State) GSA (General Services Administration)	$2,177,362	0.3%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2024; up 15 since FY2024.
46	Oregon Premier Locations, LLC Top agencies USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency) VA (Department of Veterans Affairs)	$1,959,700	0.2%	Rank history: #44 in FY2021, #39 in FY2022, #32 in FY2023 and #33 in FY2024; down 13 since FY2024.
47	Crewfacilities.com, LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$1,947,952	0.2%	Rank history: #82 in FY2021, #89 in FY2022, not on the FY2023 list and #55 in FY2024; up 8 since FY2024.
48	Swan Contracting LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$1,853,334	0.2%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and #57 in FY2024; up 9 since FY2024.
49	Dominion Federal Corporation Top agencies USAF (Department of the Air Force)	$1,710,912	0.2%	Rank history: #61 in FY2021, #51 in FY2022, #40 in FY2023 and #52 in FY2024; up 3 since FY2024.
50	City of Vinton Top agencies CNCS (Corporation for National and Community Service)	$1,700,277	0.2%	Rank history: #60 in FY2021, #67 in FY2022, #46 in FY2023 and #49 in FY2024; down 1 since FY2024.
51	All Saints Episcopal School Top agencies CNCS (Corporation for National and Community Service)	$1,647,563	0.2%	Rank history: #42 in FY2021, #66 in FY2022, #51 in FY2023 and #56 in FY2024; up 5 since FY2024.
52	Unami LLC Top agencies Navy (Department of the Navy)	$1,612,718	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
53	SES Electrical LLC Top agencies Army (Department of the Army)	$1,598,692	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
54	Vesta Housing Solutions, LLC Top agencies Army (Department of the Army)	$1,530,816	0.2%	Rank history: not on the FY2021 list, #62 in FY2022, #56 in FY2023 and #58 in FY2024; up 4 since FY2024.
55	Macsons, Incorporated Top agencies Navy (Department of the Navy)	$1,413,981	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
56	Abel Fire Equipment Inc. Top agencies USDA (Department of Agriculture)	$1,404,424	0.2%	Rank history: not on the FY2021–FY2024 lists; up 63 since FY2024.
57	Expeditors By Lindale Inc. Top agencies USDA (Department of Agriculture)	$1,397,729	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
58	Barber and Mann Inc. Top agencies Treasury (Department of the Treasury)	$1,329,212	0.2%	Rank history: not on the FY2021 list, #95 in FY2022, #68 in FY2023 and not on the FY2024 list; up 77 since FY2024.
59	Integrated Modular Solutions LLC Top agencies USAF (Department of the Air Force)	$1,260,503	0.2%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2023 and #50 in FY2024; down 9 since FY2024.
60	All American Emergency Services Top agencies USDA (Department of Agriculture)	$1,249,898	0.1%	Rank history: not on the FY2021–FY2024 lists; up 90 since FY2024.
61	Reasor Building Group LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,143,614	0.1%	Rank history: #43 in FY2021, #36 in FY2022, #49 in FY2023 and #38 in FY2024; down 23 since FY2024.
62	Sorelle Resources, LLC Top agencies DHS (Department of Homeland Security)	$1,143,246	0.1%	Rank history: not on the FY2021–FY2024 lists; up 119 since FY2024.
63	Tankersley Michael Top agencies Treasury (Department of the Treasury)	$1,137,784	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and not on the FY2024 list; up 173 since FY2024.
64	Black Knight Data & Analytics LLC Top agencies HUD (Department of Housing and Urban Development) Treasury (Department of the Treasury)	$1,106,250	0.1%	Rank history: not on the FY2021–FY2023 lists and #81 in FY2024; up 17 since FY2024.
65	Capital Relocation Services L.L.C. Top agencies EPA (Environmental Protection Agency)	$1,088,869	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
66	Sellers Realty, LLC Top agencies Treasury (Department of the Treasury)	$1,042,957	0.1%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2023 and #65 in FY2024; down 1 since FY2024.
67	Property & Environmental Management Inc. Top agencies Army (Department of the Army)	$1,009,025	0.1%	Rank history: #62 in FY2021, #82 in FY2022, #64 in FY2023 and #64 in FY2024; down 3 since FY2024.
68	Boxx Modular, Inc. Top agencies Navy (Department of the Navy)	$999,687	0.1%	Rank history: not on the FY2021–FY2024 lists; up 118 since FY2024.
69	Newimar Sociedad Anonima Top agencies Navy (Department of the Navy)	$998,099	0.1%	Rank history: #53 in FY2021, #54 in FY2022, #76 in FY2023 and #70 in FY2024; up 1 since FY2024.
70	Top Gun Lighting and Industrial Supplies, LLC Top agencies USDA (Department of Agriculture)	$975,516	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
71	Marianas Integration LLC Top agencies USAF (Department of the Air Force)	$959,994	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
72	Markon LLC Top agencies Navy (Department of the Navy)	$938,835	0.1%	Rank history: #50 in FY2021, #64 in FY2022, #69 in FY2023 and #51 in FY2024; down 21 since FY2024.
73	Executive Apartments Inc. Top agencies VA (Department of Veterans Affairs)	$879,575	0.1%	Rank history: not on the FY2021–FY2024 lists; up 69 since FY2024.
74	Dugger Grafe Swanson, Inc. Top agencies Treasury (Department of the Treasury) Army (Department of the Army)	$879,350	0.1%	Rank history: not on the FY2021–FY2024 lists; up 319 since FY2024.
75	Keres Consulting Inc. Top agencies OSD (Office of the Secretary of Defense)	$875,406	0.1%	Rank history: #38 in FY2021, #43 in FY2022, not on the FY2023 list and #34 in FY2024; down 41 since FY2024.
76	Spectrum Solutions Acquisitions, LLC Top agencies HUD (Department of Housing and Urban Development)	$855,059	0.1%	Rank history: not on the FY2021 list, #8 in FY2022, not on the FY2023 list and #12 in FY2024; down 64 since FY2024.
77	Structured Facilities JV LLC Top agencies USAF (Department of the Air Force)	$850,041	0.1%	Rank history: not on the FY2021 list, #83 in FY2022, #85 in FY2023 and #76 in FY2024; down 1 since FY2024.
78	Iron Mountain Incorporated 3 awardees, including Crozier Fine Arts Inc. and Iron Mountain / National Underground Storage, Inc. Top agencies Smithsonian (Smithsonian Institution)	$815,376	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Trinity University Top agencies Army (Department of the Army)	$803,085	0.1%	Rank history: not on the FY2021 list, #94 in FY2022, #94 in FY2023 and #80 in FY2024; up 1 since FY2024.
80	OHC Advisors Inc. Top agencies HUD (Department of Housing and Urban Development)	$795,695	0.1%	Rank history: not on the FY2021–FY2024 lists; up 37 since FY2024.
81	Fire Dawg Green, Inc. Top agencies USDA (Department of Agriculture)	$791,850	0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 1 since FY2024.
82	Fort Hill Companies LLC Top agencies VA (Department of Veterans Affairs)	$791,250	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
83	American Tower Corporation 8 awardees, including American Towers LLC, American Tower Asset Sub LLC and American Tower Management LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) Army (Department of the Army)	$750,751	0.1%	Rank history: not on the FY2021–FY2024 lists; up 119 since FY2024.
84	Stagg Resource Consultants, Inc. Top agencies Treasury (Department of the Treasury) DOI (Department of the Interior)	$748,482	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
85	Koman Construction, LLC Top agencies USAF (Department of the Air Force)	$745,897	0.1%	Rank history: not on the FY2021–FY2024 lists; up 45 since FY2024.
86	310 Dust Control LLC Top agencies USDA (Department of Agriculture)	$731,180	0.1%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2024; down 27 since FY2024.
87	Interim Homes, Inc. Top agencies USUHS (DOD Uniformed Services University of the Health Sciences) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$726,555	0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 9 since FY2024.
88	AAA Response, LLC Top agencies USDA (Department of Agriculture)	$716,850	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	The Partimage Group LLC Top agencies DHS (Department of Homeland Security)	$702,510	0.1%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2023 and not on the FY2024 list; up 307 since FY2024.
90	USP 700 6TH Street LLC	$698,510	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
91	Pinnacle Towers LLC Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury) DHS (Department of Homeland Security)	$694,798	0.1%	Rank history: not on the FY2021–FY2024 lists; up 174 since FY2024.
92	A C Blount Concrete Service Inc. Top agencies Navy (Department of the Navy)	$681,294	0.1%	Rank history: #57 in FY2021, #93 in FY2022, #63 in FY2023 and #89 in FY2024; down 3 since FY2024.
93	Allen, Williford and Seale, Inc. Top agencies Army (Department of the Army)	$676,000	0.1%	Rank history: not on the FY2021–FY2024 lists; up 95 since FY2024.
94	Ethic Tech, LLC Top agencies Army (Department of the Army)	$668,412	0.1%	Rank history: #69 in FY2021, #71 in FY2022, #73 in FY2023 and #62 in FY2024; down 32 since FY2024.
95	Luneh Top agencies Navy (Department of the Navy)	$640,679	0.1%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; down 81 since FY2024.
96	Landscape Management Systems Inc. Top agencies USAF (Department of the Air Force)	$617,743	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Recosol Solino Sanchez SL. Top agencies Navy (Department of the Navy)	$613,510	0.1%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; down 23 since FY2024.
98	Miami Elite Homes, LLC Top agencies DHS (Department of Homeland Security)	$567,740	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Mcgrath Rentcorp Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture) Army (Department of the Army)	$564,591	0.1%	Rank history: #26 in FY2021, #78 in FY2022, #67 in FY2023 and #66 in FY2024; down 33 since FY2024.
100	The Gilchrist Law Firm, P.a. Top agencies HUD (Department of Housing and Urban Development) DOI (Department of the Interior) USDA (Department of Agriculture)	$563,629	0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and #90 in FY2024; down 10 since FY2024.

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100 of 935 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 531

Code	Net obligations	Largest contractor
5313 Activities Related to Real Estate	$238,251,363	Lima Charlie, Inc.
5311 Lessors of Real Estate	$227,526,317	Smithsonian Institution
5312 Offices of Real Estate Agents and Brokers	$29,439,178	Franconia Real Estate 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 $839 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 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 531 contractors in FY2025?

1. Lima Charlie, Inc. ($59.2M), 2. Information Systems & Networks Corporation ($45.3M), 3. Parliament LLC ($37.1M), 4. Dawson's Realty & Mortgages, Inc. ($33M), 5. Vendor Resource Management, Inc. ($29.8M), 6. Franconia Real Estate Services, Inc. ($22.3M), 7. Smithsonian Institution ($20.7M), 8. N.S.P. Ventures Corp. ($17.7M), 9. Leumas Residential LLC ($16.9M), 10. Aesthetic Home Investments LLC ($14.9M).

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