Top 100 National Gallery of Art Contractors, Jul 2025–Jun 2026

Name: Top 100 National Gallery of Art Contractors, Jul 2025–Jun 2026
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Agency page on GovTribe

The top 10 won 53% of National Gallery of Art contract dollars from July 2025 through June 2026

Contract obligations: $54,070,632 Net of deobligations, by the National Gallery of Art and its offices
Contractors: 245 Parent companies with an obligation
Largest contractor: Securemedy Inc. $9.55 million, 16.7% of obligations
Data as of: Oct 23, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Securemedy Inc. Top NAICS codes 561612 Security Guards and Patrol Services	$9,550,849	16.7%	Rank history: not on the FY2021–FY2024 lists and #1 in FY2025; unchanged since Jul 2024–Jun 2025.
2	The Whiting-Turner Contracting Company Top NAICS codes 238990 All Other Specialty Trade Contractors 236220 Commercial and Institutional Building Construction	$5,519,136	9.6%	Rank history: not on the FY2021 list, #1 in FY2022, #19 in FY2023, #6 in FY2024 and #2 in FY2025; up 7 since Jul 2024–Jun 2025.
3	AES Electrical, LLC Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$3,669,161	6.4%	Rank history: #24 in FY2021, #3 in FY2022, #2 in FY2023, #9 in FY2024 and #12 in FY2025; up 8 since Jul 2024–Jun 2025.
4	Quinn Evans Architects Inc. Top NAICS codes 541310 Architectural Services	$2,090,301	3.7%	Rank history: #63 in FY2021, #21 in FY2022, #16 in FY2023, #2 in FY2024 and #4 in FY2025; down 2 since Jul 2024–Jun 2025.
5	Cyber Technology Innovations LLC Top NAICS codes 513210 Software Publishers	$1,958,483	3.4%	Rank history: not on the FY2021–FY2024 lists and #8 in FY2025; up 5 since Jul 2024–Jun 2025.
6	Carahsoft Technology Corp Top NAICS codes 511210 Software Publishers 334111 Electronic Computer Manufacturing 541519 Other Computer Related Services	$1,948,911	3.4%	Rank history: #15 in FY2021, #10 in FY2022, #15 in FY2023, #11 in FY2024 and #10 in FY2025; up 6 since Jul 2024–Jun 2025.
7	Elcon Enterprises Inc. Top NAICS codes 238290 Other Building Equipment Contractors	$1,651,862	2.9%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2023, #15 in FY2024 and #6 in FY2025; up 1 since Jul 2024–Jun 2025.
8	Four Points Technology, L.L.C. Top NAICS codes 541519 Other Computer Related Services	$1,422,366	2.5%	Rank history: not on the FY2021 list, #15 in FY2022, #13 in FY2023, #10 in FY2024 and #15 in FY2025; up 9 since Jul 2024–Jun 2025.
9	Mythics Inc. Through Emergent, LLC Top NAICS codes 513210 Software Publishers 541519 Other Computer Related Services 511210 Software Publishers	$1,274,115	2.2%	Rank history: not on the FY2021–FY2023 lists, #23 in FY2024 and #16 in FY2025; up 7 since Jul 2024–Jun 2025.
10	Service Mechanical Inc. Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance 811412 Appliance Repair and Maintenance	$1,076,953	1.9%	Rank history: #8 in FY2021, #19 in FY2022, #17 in FY2023, #19 in FY2024 and #13 in FY2025; up 9 since Jul 2024–Jun 2025.
11	Dell Technologies Inc. Through Dell Federal Systems L.P Top NAICS codes 511210 Software Publishers 334111 Electronic Computer Manufacturing 334112 Computer Storage Device Manufacturing	$815,181	1.4%	Rank history: not on the FY2021–FY2023 lists, #4 in FY2024 and #9 in FY2025; down 5 since Jul 2024–Jun 2025.
12	Intellipoint Consulting Inc. Top NAICS codes 541618 Other Management Consulting Services	$810,099	1.4%	Rank history: #9 in FY2021, #29 in FY2022, #8 in FY2023, #5 in FY2024 and #7 in FY2025; down 5 since Jul 2024–Jun 2025.
13	Consigli Construction Co., Inc. Top NAICS codes 238990 All Other Specialty Trade Contractors	$704,586	1.2%	Rank history: not on the FY2021–FY2024 lists and #3 in FY2025; down 8 since Jul 2024–Jun 2025.
14	Avyance LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$700,648	1.2%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2023, #20 in FY2024 and #23 in FY2025; up 11 since Jul 2024–Jun 2025.
15	Rojani Facilities Management, LLC Top NAICS codes 561790 Other Services to Buildings and Dwellings	$629,699	1.1%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023, #55 in FY2024 and #51 in FY2025; new, not ranked in Jul 2024–Jun 2025.
16	SGI Global LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services 611699 All Other Miscellaneous Schools and Instruction	$627,100	1.1%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2023, not on the FY2024 list and #18 in FY2025; up 104 since Jul 2024–Jun 2025.
17	Verizon 3 awardees, including Verizon Business Network Services LLC, Cellco Partnership and Verizon Communications Inc. Top NAICS codes 517110 Wired Telecommunications Carriers 517312 Wireless Telecommunications Carriers (except Satellite) 517121 Telecommunications Resellers	$621,356	1.1%	Rank history: not on the FY2021–FY2023 lists, #26 in FY2024 and #17 in FY2025; up 4 since Jul 2024–Jun 2025.
18	Forum One Communications Corporation Top NAICS codes 541511 Custom Computer Programming Services	$530,694	0.9%	Rank history: not on the FY2021–FY2024 lists and #20 in FY2025; up 10 since Jul 2024–Jun 2025.
19	Gartner, Inc. Top NAICS codes 513120 Periodical Publishers 513210 Software Publishers	$516,532	0.9%	Rank history: #36 in FY2021, #18 in FY2022, #42 in FY2023, #25 in FY2024 and #26 in FY2025; up 15 since Jul 2024–Jun 2025.
20	Robinson Iron Corp Top NAICS codes 332323 Ornamental and Architectural Metal Work Manufacturing 236220 Commercial and Institutional Building Construction 332439 Other Metal Container Manufacturing	$505,353	0.9%	Rank history: not on the FY2021 list, #36 in FY2022, #58 in FY2023, #61 in FY2024 and #32 in FY2025; up 25 since Jul 2024–Jun 2025.
21	Thimble Solutions, LLC Top NAICS codes 541519 Other Computer Related Services	$502,222	0.9%	Rank history: #13 in FY2021, not on the FY2022 list, #32 in FY2023, #36 in FY2024 and #21 in FY2025; up 2 since Jul 2024–Jun 2025.
22	Colossal Contracting LLC Top NAICS codes 541519 Other Computer Related Services	$492,834	0.9%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023, #85 in FY2024 and #14 in FY2025; down 8 since Jul 2024–Jun 2025.
23	Buchanan & Edwards Inc. Top NAICS codes 513210 Software Publishers	$478,758	0.8%	Rank history: not on the FY2021–FY2024 lists and #24 in FY2025; up 24 since Jul 2024–Jun 2025.
24	JM Zell Partners, Ltd. Top NAICS codes 531390 Other Activities Related to Real Estate 531210 Offices of Real Estate Agents and Brokers	$452,126	0.8%	Rank history: not on the FY2021–FY2023 lists, #12 in FY2024 and #5 in FY2025; down 21 since Jul 2024–Jun 2025.
25	Alvarez LLC Top NAICS codes 541519 Other Computer Related Services	$413,961	0.7%	Rank history: not on the FY2021 list, #92 in FY2022, #75 in FY2023, #80 in FY2024 and #47 in FY2025; up 60 since Jul 2024–Jun 2025.
26	Nichols Contracting, Inc. Top NAICS codes 333921 Elevator and Moving Stairway Manufacturing	$410,999	0.7%	Rank history: #34 in FY2021, #40 in FY2022, #4 in FY2023, not on the FY2024 list and #28 in FY2025; new, not ranked in Jul 2024–Jun 2025.
27	William P. Gelberg Inc. Top NAICS codes 339950 Sign Manufacturing	$400,000	0.7%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; new, not ranked in Jul 2024–Jun 2025.
28	Metropolitan Medical LLC Top NAICS codes 561330 Professional Employer Organizations	$384,487	0.7%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; up 2 since Jul 2024–Jun 2025.
29	Danco Incorporated Top NAICS codes 238330 Flooring Contractors	$380,892	0.7%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023, #97 in FY2024 and not on the FY2025 list; up 60 since Jul 2024–Jun 2025.
30	CTG Federal, LLC Top NAICS codes 541519 Other Computer Related Services	$375,558	0.7%	Rank history: #62 in FY2021, #77 in FY2022, #65 in FY2023, #87 in FY2024 and #46 in FY2025; up 40 since Jul 2024–Jun 2025.
31	Davis Memorial Goodwill Industries Inc Top NAICS codes 712110 Museums	$371,269	0.6%	Rank history: not on the FY2021–FY2023 lists, #33 in FY2024 and #31 in FY2025; unchanged since Jul 2024–Jun 2025.
32	Tennessee Marble Company Top NAICS codes 212311 Dimension Stone Mining and Quarrying	$364,907	0.6%	Rank history: not on the FY2021–FY2023 lists, #81 in FY2024 and #22 in FY2025; up 8 since Jul 2024–Jun 2025.
33	Equinix LLC Top NAICS codes 541519 Other Computer Related Services	$347,666	0.6%	Rank history: #76 in FY2021, #38 in FY2022, #31 in FY2023, #37 in FY2024 and #33 in FY2025; unchanged since Jul 2024–Jun 2025.
34	Henkels & Mccoy Inc. Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$346,944	0.6%	Rank history: not on the FY2021–FY2023 lists, #86 in FY2024 and #29 in FY2025; up 15 since Jul 2024–Jun 2025.
35	Trustwave Government Solutions LLC Top NAICS codes 928110 National Security	$340,481	0.6%	Rank history: not on the FY2021–FY2023 lists, #31 in FY2024 and not on the FY2025 list; up 3 since Jul 2024–Jun 2025.
36	Canon U.s.a., Inc. Top NAICS codes 333316 Photographic and Photocopying Equipment Manufacturing	$334,540	0.6%	Rank history: not on the FY2021–FY2024 lists and #35 in FY2025; down 1 since Jul 2024–Jun 2025.
37	Mccoy Associates Inc. Top NAICS codes 335132 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers	$307,685	0.5%	Rank history: not on the FY2021 list, #65 in FY2022, not on the FY2023 list, #17 in FY2024 and #38 in FY2025; down 17 since Jul 2024–Jun 2025.
38	Innovation Group, LLC Top NAICS codes 541612 Human Resources Consulting Services	$303,194	0.5%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2023, #46 in FY2024 and not on the FY2025 list; up 30 since Jul 2024–Jun 2025.
39	Blueally Technology Solutions LLC Through N2Grate Government Technology Solutions, LLC Top NAICS codes 541519 Other Computer Related Services	$282,196	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
40	Iron Mountain Information Management LLC Top NAICS codes 488991 Packing and Crating	$264,642	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
41	Amco Metal Products Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$263,600	0.5%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023, not on the FY2024 list and #40 in FY2025; up 185 since Jul 2024–Jun 2025.
42	SHI International Corp. Top NAICS codes 541519 Other Computer Related Services	$262,386	0.5%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023, #44 in FY2024 and #44 in FY2025; up 4 since Jul 2024–Jun 2025.
43	Hartman-Cox Architects LLP Top NAICS codes 541310 Architectural Services	$255,916	0.4%	Rank history: #2 in FY2021, #8 in FY2022, #21 in FY2023, #53 in FY2024 and #72 in FY2025; up 43 since Jul 2024–Jun 2025.
44	JE Richards Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$255,760	0.4%	Rank history: not on the FY2021–FY2023 lists, #32 in FY2024 and #43 in FY2025; down 17 since Jul 2024–Jun 2025.
45	Williams Audio Event LLC Top NAICS codes 541512 Computer Systems Design Services	$249,600	0.4%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023, #73 in FY2024 and #67 in FY2025; up 34 since Jul 2024–Jun 2025.
46	Seibold Security Inc. Top NAICS codes 513210 Software Publishers 541330 Engineering Services	$231,037	0.4%	Rank history: #19 in FY2021, #17 in FY2022, #36 in FY2023, #40 in FY2024 and #27 in FY2025; down 22 since Jul 2024–Jun 2025.
47	Your Recruiting Company, Inc. Top NAICS codes 541612 Human Resources Consulting Services	$218,864	0.4%	Rank history: not on the FY2021–FY2025 lists; up 53 since Jul 2024–Jun 2025.
48	Alers Consulting LLC Top NAICS codes 513210 Software Publishers	$218,000	0.4%	Rank history: not on the FY2021 list, #94 in FY2022, #51 in FY2023, #50 in FY2024 and #73 in FY2025; up 34 since Jul 2024–Jun 2025.
49	AAA Complete Building Services Inc. Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors	$217,507	0.4%	Rank history: not on the FY2021–FY2024 lists and #49 in FY2025; new, not ranked in Jul 2024–Jun 2025.
50	Netxposure LLC Top NAICS codes 541511 Custom Computer Programming Services	$208,242	0.4%	Rank history: #65 in FY2021, #37 in FY2022, #73 in FY2023, #67 in FY2024 and #75 in FY2025; up 37 since Jul 2024–Jun 2025.
51	Hire One Personnel Services of Washington, D.c. LLC Top NAICS codes 561320 Temporary Help Services	$200,147	0.3%	Rank history: #32 in FY2021, #55 in FY2022, #55 in FY2023, #57 in FY2024 and #81 in FY2025; up 23 since Jul 2024–Jun 2025.
52	4Tech Solutions, LLC Top NAICS codes 513210 Software Publishers	$190,619	0.3%	Rank history: not on the FY2021–FY2024 lists and #97 in FY2025; new, not ranked in Jul 2024–Jun 2025.
53	Prive' Demeure Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$182,899	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
54	Govconnection Inc. Top NAICS codes 541519 Other Computer Related Services	$174,955	0.3%	Rank history: not on the FY2021–FY2023 lists, #54 in FY2024 and #53 in FY2025; down 17 since Jul 2024–Jun 2025.
55	Govplace, LLC Top NAICS codes 541519 Other Computer Related Services	$169,250	0.3%	Rank history: #68 in FY2021, #79 in FY2022, #83 in FY2023, not on the FY2024 list and #79 in FY2025; up 37 since Jul 2024–Jun 2025.
56	Technical Library Service, Inc. Top NAICS codes 333243 Sawmill, Woodworking, and Paper Machinery Manufacturing	$168,184	0.3%	Rank history: not on the FY2021–FY2024 lists and #34 in FY2025; up 5 since Jul 2024–Jun 2025.
57	Applied Wayfinding Inc. Top NAICS codes 541618 Other Management Consulting Services	$163,976	0.3%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2023, #24 in FY2024 and #66 in FY2025; down 28 since Jul 2024–Jun 2025.
58	WB Waste Solutions, LLC Top NAICS codes 562111 Solid Waste Collection	$163,018	0.3%	Rank history: not on the FY2021–FY2024 lists and #56 in FY2025; up 11 since Jul 2024–Jun 2025.
59	CMA Technology Inc. Top NAICS codes 541519 Other Computer Related Services	$162,516	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
60	New TECH Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$152,320	0.3%	Rank history: #12 in FY2021, #13 in FY2022, not on the FY2023–FY2024 lists and #58 in FY2025; up 89 since Jul 2024–Jun 2025.
61	Convergeone Inc. Through Convergeone Government Solutions, LLC Top NAICS codes 517121 Telecommunications Resellers	$136,532	0.2%	Rank history: not on the FY2021–FY2024 lists and #55 in FY2025; new, not ranked in Jul 2024–Jun 2025.
62	American Pest Management Inc. Top NAICS codes 561710 Exterminating and Pest Control Services	$135,806	0.2%	Rank history: #52 in FY2021, #52 in FY2022, #54 in FY2023, #71 in FY2024 and #65 in FY2025; up 10 since Jul 2024–Jun 2025.
63	Bialek Corporation of Maryland Top NAICS codes 337122 Nonupholstered Wood Household Furniture Manufacturing 449110 Furniture Retailers	$134,783	0.2%	Rank history: not on the FY2021–FY2025 lists; up 175 since Jul 2024–Jun 2025.
64	End To End Enterprise Solutions, LLC Top NAICS codes 513210 Software Publishers	$130,000	0.2%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; new, not ranked in Jul 2024–Jun 2025.
65	Oxford Instruments America, Inc. Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$129,620	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
66	O'brien Business Systems, Inc. Top NAICS codes 423420 Office Equipment Merchant Wholesalers	$126,430	0.2%	Rank history: #70 in FY2021, #42 in FY2022, #3 in FY2023, #78 in FY2024 and #39 in FY2025; down 13 since Jul 2024–Jun 2025.
67	Advanced Computer Concepts, Inc. Top NAICS codes 541519 Other Computer Related Services	$125,549	0.2%	Rank history: #43 in FY2021, #26 in FY2022, #43 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
68	Countertrade Products, Inc. Top NAICS codes 541519 Other Computer Related Services	$124,468	0.2%	Rank history: not on the FY2021–FY2023 lists, #90 in FY2024 and #68 in FY2025; up 23 since Jul 2024–Jun 2025.
69	FCN, Inc. Top NAICS codes 541519 Other Computer Related Services	$124,251	0.2%	Rank history: #40 in FY2021, #28 in FY2022, not on the FY2023 list, #21 in FY2024 and #48 in FY2025; down 19 since Jul 2024–Jun 2025.
70	Walston Co Group LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$123,042	0.2%	Rank history: not on the FY2021 list, #35 in FY2022, #41 in FY2023, #58 in FY2024 and not on the FY2025 list; up 43 since Jul 2024–Jun 2025.
71	Distributed Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$119,094	0.2%	Rank history: #41 in FY2021, #62 in FY2022, #70 in FY2023, #43 in FY2024 and #70 in FY2025; up 13 since Jul 2024–Jun 2025.
72	Evolv Technologies Inc Top NAICS codes 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing	$115,899	0.2%	Rank history: not on the FY2021–FY2023 lists, #72 in FY2024 and #62 in FY2025; up 126 since Jul 2024–Jun 2025.
73	Blackstone Stationers Inc. Top NAICS codes 323111 Commercial Printing (except Screen and Books)	$112,792	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
74	Imperial Valet Service, Inc. Top NAICS codes 812320 Drycleaning and Laundry Services (except Coin-Operated)	$109,310	0.2%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; up 1 since Jul 2024–Jun 2025.
75	B & H Foto & Electronics Corp. Top NAICS codes 334310 Audio and Video Equipment Manufacturing 423410 Photographic Equipment and Supplies Merchant Wholesalers 541519 Other Computer Related Services	$105,883	0.2%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; up 86 since Jul 2024–Jun 2025.
76	Agilent Technologies, Inc. Top NAICS codes 334516 Analytical Laboratory Instrument Manufacturing	$99,901	0.2%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; new, not ranked in Jul 2024–Jun 2025.
77	Gallery Systems Inc. Top NAICS codes 513210 Software Publishers	$99,900	0.2%	Rank history: not on the FY2021–FY2023 lists, #79 in FY2024 and #50 in FY2025; down 26 since Jul 2024–Jun 2025.
78	Mvation Worldwide, Inc. Top NAICS codes 334111 Electronic Computer Manufacturing	$99,580	0.2%	Rank history: not on the FY2021–FY2024 lists and #78 in FY2025; new, not ranked in Jul 2024–Jun 2025.
79	TD Synnex Corporation Through DLT Solutions, LLC Top NAICS codes 513210 Software Publishers 541519 Other Computer Related Services	$95,797	0.2%	Rank history: not on the FY2021–FY2024 lists and #42 in FY2025; new, not ranked in Jul 2024–Jun 2025.
80	Thomasville Restoration LLC Top NAICS codes 562910 Remediation Services	$94,621	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
81	ATP Gov, LLC Top NAICS codes 541519 Other Computer Related Services 513210 Software Publishers	$93,373	0.2%	Rank history: not on the FY2021 list, #95 in FY2022, not on the FY2023–FY2024 lists and #57 in FY2025; down 23 since Jul 2024–Jun 2025.
82	Govsmart, Inc. Top NAICS codes 541519 Other Computer Related Services 513210 Software Publishers	$90,642	0.2%	Rank history: not on the FY2021–FY2024 lists and #83 in FY2025; up 37 since Jul 2024–Jun 2025.
83	Federal Radio Service Top NAICS codes 811213 Communication Equipment Repair and Maintenance 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing	$88,196	0.2%	Rank history: #85 in FY2021, #86 in FY2022, not on the FY2023–FY2024 lists and #85 in FY2025; up 92 since Jul 2024–Jun 2025.
84	Siemens Industry Inc. Top NAICS codes 922160 Fire Protection	$87,693	0.2%	Rank history: not on the FY2021–FY2024 lists and #86 in FY2025; new, not ranked in Jul 2024–Jun 2025.
85	Standard Offset Printing Co., Inc. Top NAICS codes 541860 Direct Mail Advertising	$87,395	0.2%	Rank history: not on the FY2021–FY2024 lists and #87 in FY2025; new, not ranked in Jul 2024–Jun 2025.
86	E.b.c. Carpet Services Corporation Top NAICS codes 561740 Carpet and Upholstery Cleaning Services	$87,106	0.2%	Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; up 18 since Jul 2024–Jun 2025.
87	Associated Builders, Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$85,203	0.1%	Rank history: #38 in FY2021, #24 in FY2022, #23 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
88	Potomac Services Management Inc. Top NAICS codes 561210 Facilities Support Services	$81,560	0.1%	Rank history: not on the FY2021–FY2023 lists, #99 in FY2024 and #90 in FY2025; new, not ranked in Jul 2024–Jun 2025.
89	Insightsoftware LLC Top NAICS codes 513210 Software Publishers	$80,736	0.1%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; down 27 since Jul 2024–Jun 2025.
90	Proquest LLC Through Ex Libris USA Inc. Top NAICS codes 513210 Software Publishers	$74,798	0.1%	Rank history: not on the FY2021–FY2023 lists, #66 in FY2024 and #60 in FY2025; up 19 since Jul 2024–Jun 2025.
91	August Schell Enterprises, Inc. Top NAICS codes 541519 Other Computer Related Services	$69,684	0.1%	Rank history: not on the FY2021–FY2024 lists and #69 in FY2025; down 8 since Jul 2024–Jun 2025.
92	Accruent LLC Top NAICS codes 541512 Computer Systems Design Services 513210 Software Publishers	$69,628	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
93	Arrow Electronics, Inc. Through EC America, Inc. Top NAICS codes 443120 Computer and Software Stores	$68,870	0.1%	Rank history: #57 in FY2021, not on the FY2022 list, #96 in FY2023, #84 in FY2024 and not on the FY2025 list; up 123 since Jul 2024–Jun 2025.
94	Bfpe International, Inc. Top NAICS codes 922160 Fire Protection	$67,760	0.1%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and not on the FY2024–FY2025 lists; up 103 since Jul 2024–Jun 2025.
95	Brandsafway Services LLC Top NAICS codes 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing	$66,095	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
96	Oclc, Inc. Top NAICS codes 519210 Libraries and Archives 541519 Other Computer Related Services	$64,926	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
97	Accent Designs LLC Top NAICS codes 337920 Blind and Shade Manufacturing	$64,237	0.1%	Rank history: #90 in FY2021, not on the FY2022–FY2024 lists and #96 in FY2025; up 110 since Jul 2024–Jun 2025.
98	Managed Care Advisors, Inc. Top NAICS codes 541612 Human Resources Consulting Services	$62,500	0.1%	Rank history: not on the FY2021–FY2025 lists; up 10 since Jul 2024–Jun 2025.
99	Tate Engineering Systems, Inc. Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors	$61,936	0.1%	Rank history: not on the FY2021–FY2025 lists; up 41 since Jul 2024–Jun 2025.
100	Patuxent Engineering Group LLC Top NAICS codes 561621 Security Systems Services (except Locksmiths)	$61,570	0.1%	Rank history: #67 in FY2021, #59 in FY2022 and not on the FY2023–FY2025 lists; up 63 since Jul 2024–Jun 2025.

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100 of 245 contractors listed here. See the rest on GovTribe.

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 $57.2 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 National Gallery of Art contractors in Jul 2025–Jun 2026?

1. Securemedy Inc. ($9.55M), 2. The Whiting-Turner Contracting Company ($5.52M), 3. AES Electrical, LLC ($3.67M), 4. Quinn Evans Architects Inc. ($2.09M), 5. Cyber Technology Innovations LLC ($1.96M), 6. Carahsoft Technology Corp ($1.95M), 7. Elcon Enterprises Inc. ($1.65M), 8. Four Points Technology, L.L.C. ($1.42M), 9. Mythics Inc. ($1.27M), 10. Service Mechanical Inc. ($1.08M).

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