Top 100 Contractors in NAICS 4431: Electronics and Appliance Stores, FY2021

Name: Top 100 Contractors in NAICS 4431: Electronics and Appliance Stores, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 82% of FY2021 NAICS 4431 contract dollars

Contract obligations: $478,328,149 Net of deobligations, by contracts coded NAICS 4431 or a code under it
Contractors: 177 Parent companies with an obligation
Largest contractor: MCP Computer Products Inc. $116 million, 23.4% 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	MCP Computer Products Inc. Top agencies USSOCOM (United States Special Operations Command) HHS (Department of Health and Human Services) EPA (Environmental Protection Agency)	$115,865,731	23.4%	Rank history: #1 in FY2022, #13 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
2	Arrow Electronics, Inc. Through EC America, Inc. Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$82,566,704	16.7%	Rank history: #2 in FY2022, #1 in FY2023, #1 in FY2024 and #2 in FY2025; down 1 since FY2020.
3	New TECH Solutions, Inc. Top agencies USDA (Department of Agriculture) DISA (Defense Information Systems Agency) DOJ (Department of Justice)	$54,424,116	11.0%	Rank history: #3 in FY2022, #4 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
4	Unisys Corporation Top agencies DOJ (Department of Justice) GSA (General Services Administration) DHS (Department of Homeland Security)	$44,544,457	9.0%	Rank history: #7 in FY2022, #3 in FY2023, #3 in FY2024 and not on the FY2025 list; up 2 since FY2020.
5	Vion Corporation Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$28,634,744	5.8%	Rank history: #4 in FY2022, #8 in FY2023, #6 in FY2024 and #12 in FY2025; up 3 since FY2020.
6	Compuware Corporation 2 awardees, including BMC Software, Inc. Top agencies SSA (Social Security Administration) DISA (Defense Information Systems Agency) DOJ (Department of Justice)	$27,174,404	5.5%	Rank history: #6 in FY2022, #6 in FY2023, #4 in FY2024 and not on the FY2025 list; up 21 since FY2020.
7	Leidos Holdings, Inc. 3 awardees, including Varec Inc. Top agencies DLA (Defense Logistics Agency) DOJ (Department of Justice)	$16,816,271	3.4%	Rank history: #12 in FY2022, #9 in FY2023, #8 in FY2024 and #9 in FY2025; unchanged since FY2020.
8	Distributed Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$15,418,133	3.1%	Rank history: #29 in FY2022, #15 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
9	Advantaged Solutions, LLC Top agencies Navy (Department of the Navy)	$10,831,797	2.2%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
10	Thomas Scientific LLC Through Unison Software Inc. Top agencies DOL (Department of Labor) EPA (Environmental Protection Agency) DOE (Department of Energy)	$10,315,683	2.1%	Rank history: #15 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
11	Panamerica Computers, Inc. Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) DOJ (Department of Justice)	$8,896,732	1.8%	Rank history: #10 in FY2022, #10 in FY2023, #7 in FY2024 and #5 in FY2025; up 4 since FY2020.
12	International Systems Marketing, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) DOS (Department of State)	$8,418,573	1.7%	Rank history: #5 in FY2022, #18 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
13	Carahsoft Technology Corp Top agencies Navy (Department of the Navy) Army (Department of the Army)	$8,085,694	1.6%	Rank history: #13 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
14	3M Company Top agencies DHA (Defense Health Agency)	$6,580,938	1.3%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
15	Technical Communities, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOT (Department of Transportation)	$5,357,231	1.1%	Rank history: #9 in FY2022, #5 in FY2023, #2 in FY2024 and #1 in FY2025; up 7 since FY2020.
16	IFS North America Inc. 3 awardees Top agencies DOT (Department of Transportation)	$3,753,882	0.8%	Rank history: #20 in FY2022, #19 in FY2023, #16 in FY2024 and #10 in FY2025; up 41 since FY2020.
17	Bahfed Corp Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) GSA (General Services Administration)	$3,587,106	0.7%	Rank history: #18 in FY2022, #12 in FY2023, #11 in FY2024 and #7 in FY2025; up 67 since FY2020.
18	Satcom Direct Communications, Inc. 2 awardees, including Satcom Direct Government Communications, Inc. and Satcom Direct Government, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$3,112,301	0.6%	Rank history: #17 in FY2022, #14 in FY2023, #22 in FY2024 and not on the FY2025 list; up 21 since FY2020.
19	Wesco International, Inc. Through Accu-Tech Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) GSA (General Services Administration)	$2,504,425	0.5%	Rank history: #73 in FY2022, not on the FY2023 list, #49 in FY2024 and #27 in FY2025; up 15 since FY2020.
20	Starry Associates, LLC Top agencies Commerce (Department of Commerce)	$1,977,621	0.4%	Rank history: #14 in FY2022, #17 in FY2023, #12 in FY2024 and not on the FY2025 list; down 7 since FY2020.
21	PC Connection Inc. Through Govconnection Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$1,797,853	0.4%	Rank history: #19 in FY2022, #32 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
22	Communications Professionals Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) FMC (Federal Maritime Commission)	$1,685,291	0.3%	Rank history: #16 in FY2022, #27 in FY2023, #31 in FY2024 and #23 in FY2025; up 3 since FY2020.
23	CDW Corporation Through CDW Government LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) DFAS (Defense Finance and Accounting Service)	$1,398,544	0.3%	Rank history: #84 in FY2022, #54 in FY2023, #32 in FY2024 and not on the FY2025 list; down 12 since FY2020.
24	Datacard Corporation Through Entrust, Inc. Top agencies HHS (Department of Health and Human Services) GSA (General Services Administration) Treasury (Department of the Treasury)	$1,350,069	0.3%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
25	Signet Technologies Inc. Top agencies OSD (Office of the Secretary of Defense) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$1,171,525	0.2%	Rank history: #63 in FY2022, #45 in FY2023, #43 in FY2024 and not on the FY2025 list; up 78 since FY2020.
26	Edac Systems Inc. Top agencies Treasury (Department of the Treasury)	$872,216	0.2%	Rank history: #21 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
27	Unison Software Inc. Top agencies EPA (Environmental Protection Agency)	$857,224	0.2%	Rank history: #35 in FY2022 and not on the FY2023–FY2025 lists; down 6 since FY2020.
28	RTX Corporation 2 awardees, including Solipsys Corporation Top agencies USAF (Department of the Air Force)	$844,282	0.2%	Rank history: #11 in FY2022, #16 in FY2023, #23 in FY2024 and not on the FY2025 list; up 1 since FY2020.
29	Sidtek, LLC Top agencies Army (Department of the Army)	$665,280	0.1%	Rank history: #31 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
30	SAP America Inc Through Sap National Security Services Inc. Top agencies Treasury (Department of the Treasury)	$652,725	0.1%	Rank history: not on the FY2022–FY2025 lists; up 15 since FY2020.
31	Colorid, LLC Top agencies DOJ (Department of Justice) DHA (Defense Health Agency) USDA (Department of Agriculture)	$534,795	0.1%	Rank history: #33 in FY2022, #30 in FY2023, #19 in FY2024 and #21 in FY2025; up 49 since FY2020.
32	Belarc Inc. Top agencies DOT (Department of Transportation) Commerce (Department of Commerce) DOI (Department of the Interior)	$502,922	0.1%	Rank history: #32 in FY2022, #29 in FY2023, #25 in FY2024 and #24 in FY2025; up 1 since FY2020.
33	Earth Networks Inc. Top agencies Commerce (Department of Commerce)	$498,000	0.1%	Rank history: #23 in FY2022, #23 in FY2023, #18 in FY2024 and #13 in FY2025; up 16 since FY2020.
34	Open Text Corporation Through Open Text Public Sector Solutions, Inc. Top agencies HHS (Department of Health and Human Services) NTSB (National Transportation Safety Board) FEC (Federal Election Commission)	$469,041	0.1%	Rank history: #42 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
35	Avitecture Inc. Top agencies DOJ (Department of Justice) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$423,658	0.1%	Rank history: not on the FY2022 list, #48 in FY2023 and not on the FY2024–FY2025 lists; up 24 since FY2020.
36	2037706 Ontario Inc Through Wade Antenna Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOT (Department of Transportation)	$395,932	0.1%	Rank history: #55 in FY2022, #26 in FY2023, #41 in FY2024 and not on the FY2025 list; up 39 since FY2020.
37	Karcher Group Inc. Top agencies Navy (Department of the Navy) DOS (Department of State) DOI (Department of the Interior)	$386,475	0.1%	Rank history: #28 in FY2022, #25 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
38	Corp Ten International Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$344,372	0.1%	Rank history: #67 in FY2022, #43 in FY2023 and not on the FY2024–FY2025 lists; up 35 since FY2020.
39	EC America, Inc. Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$338,183	0.1%	Rank history: #24 in FY2022 and not on the FY2023–FY2025 lists; down 3 since FY2020.
40	Advantage Technologies, Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$336,322	0.1%	Rank history: #27 in FY2022, #41 in FY2023, #26 in FY2024 and #20 in FY2025; up 69 since FY2020.
41	Paragon Micro Inc. Top agencies USAF (Department of the Air Force)	$324,084	0.1%	Rank history: #8 in FY2022, #2 in FY2023, #5 in FY2024 and #4 in FY2025; up 12 since FY2020.
42	Griffon Corporation Through Telephonics Corporation Top agencies DOT (Department of Transportation)	$320,933	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
43	Pssc Labs Top agencies USDA (Department of Agriculture) USAF (Department of the Air Force)	$254,250	0.1%	Rank history: #36 in FY2022, #24 in FY2023, #20 in FY2024 and not on the FY2025 list; up 44 since FY2020.
44	Computer and Peripherals Group, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$250,631	0.1%	Rank history: #34 in FY2022, #31 in FY2023, #24 in FY2024 and #17 in FY2025; up 12 since FY2020.
45	Unistar-Sparco Computers, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOS (Department of State)	$231,995	<0.1%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; down 22 since FY2020.
46	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$213,867	<0.1%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; up 132 since FY2020.
47	Blue Fish Worx, L.P. Top agencies USAF (Department of the Air Force) GSA (General Services Administration) DOJ (Department of Justice)	$209,842	<0.1%	Rank history: #75 in FY2022, #40 in FY2023, not on the FY2024 list and #28 in FY2025; down 4 since FY2020.
48	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$194,778	<0.1%	Rank history: #69 in FY2022 and not on the FY2023–FY2025 lists; up 28 since FY2020.
49	Tsrc, Inc. Top agencies HHS (Department of Health and Human Services) GSA (General Services Administration) Navy (Department of the Navy)	$190,952	<0.1%	Rank history: #71 in FY2022, #39 in FY2023, #35 in FY2024 and not on the FY2025 list; up 50 since FY2020.
50	Systran Software Inc. Top agencies DOJ (Department of Justice) Navy (Department of the Navy) Treasury (Department of the Treasury)	$185,452	<0.1%	Rank history: #57 in FY2022, #37 in FY2023, #28 in FY2024 and #14 in FY2025; up 31 since FY2020.
51	Integrated It Solutions, LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services)	$184,515	<0.1%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; up 110 since FY2020.
52	Pacific Star Corporation Top agencies DLA (Defense Logistics Agency)	$177,358	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 13 since FY2020.
53	Matrix Solutions Inc. Top agencies Navy (Department of the Navy) Commerce (Department of Commerce)	$172,167	<0.1%	Rank history: #95 in FY2022 and not on the FY2023–FY2025 lists; up 70 since FY2020.
54	Vigor Works LLC Through Unison Software Inc. Top agencies DOL (Department of Labor)	$150,476	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
55	Export 220Volt Inc. Top agencies USAID (US Agency for International Development) DOS (Department of State)	$133,882	<0.1%	Rank history: #30 in FY2022, #50 in FY2023 and not on the FY2024–FY2025 lists; up 22 since FY2020.
56	Emirates Telecommunications Group Company Pjsc Top agencies DOS (Department of State)	$129,221	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	Utech Products Inc. Top agencies VA (Department of Veterans Affairs)	$122,844	<0.1%	Rank history: #65 in FY2022, #42 in FY2023, #37 in FY2024 and not on the FY2025 list; up 31 since FY2020.
58	Amjad Balad Company Top agencies DOS (Department of State)	$122,505	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Ariston Global Through Ventraq Corp Top agencies Navy (Department of the Navy) SSA (Social Security Administration)	$117,208	<0.1%	Rank history: #81 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; up 34 since FY2020.
60	Southland Technology, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$114,223	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 50 since FY2020.
61	International Business Machines Corporation Top agencies DOJ (Department of Justice)	$108,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Medianow, Inc. Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$92,217	<0.1%	Rank history: #48 in FY2022, #36 in FY2023, #42 in FY2024 and not on the FY2025 list; down 11 since FY2020.
63	Triple Creek Associates, Inc. Top agencies HHS (Department of Health and Human Services) GAO (Government Accountability Office)	$91,627	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
64	N&B Solutions LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) USDA (Department of Agriculture)	$91,281	<0.1%	Rank history: #50 in FY2022, #33 in FY2023, #30 in FY2024 and #22 in FY2025; down 2 since FY2020.
65	Ventraq Corp Top agencies DOT (Department of Transportation)	$90,421	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 60 since FY2020.
66	Symbolic Technology Inc. Top agencies DLA (Defense Logistics Agency)	$83,722	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 88 since FY2020.
67	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$72,927	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
68	MSA Systems, Inc. Top agencies USDA (Department of Agriculture) USAF (Department of the Air Force) DHA (Defense Health Agency)	$72,569	<0.1%	Rank history: not on the FY2022 list, #52 in FY2023 and not on the FY2024–FY2025 lists; down 18 since FY2020.
69	Fox Partners LLC Top agencies USAF (Department of the Air Force)	$68,723	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	Kpaul Properties LLC Top agencies USAF (Department of the Air Force)	$66,550	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	Stealth Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$66,510	<0.1%	Rank history: #60 in FY2022 and not on the FY2023–FY2025 lists; up 79 since FY2020.
72	B&M Distribution, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) GSA (General Services Administration)	$63,768	<0.1%	Rank history: #58 in FY2022, #28 in FY2023, #21 in FY2024 and #16 in FY2025; up 30 since FY2020.
73	Q-Cad, Inc. Top agencies Army (Department of the Army)	$61,935	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Adorama Inc. Top agencies USAGM (US Agency for Global Media) GSA (General Services Administration) DOS (Department of State)	$59,245	<0.1%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; down 2 since FY2020.
75	Emerge Knowledge Design Inc. Top agencies EPA (Environmental Protection Agency)	$57,408	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 17 since FY2020.
76	Toyota Gibraltar Stockholdings Ltd Top agencies USAID (US Agency for International Development)	$55,480	<0.1%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
77	Choicecomm, LLC Top agencies USDA (Department of Agriculture) USAF (Department of the Air Force)	$52,709	<0.1%	Rank history: #66 in FY2022, #44 in FY2023, #33 in FY2024 and not on the FY2025 list; down 7 since FY2020.
78	VSE Corporation Top agencies DLA (Defense Logistics Agency)	$52,275	<0.1%	Rank history: #41 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
79	Viken Detection Corporation Top agencies DOS (Department of State)	$51,450	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Tessco Technologies Inc. Through Tessco Incorporated Top agencies GSA (General Services Administration) USAF (Department of the Air Force) DOI (Department of the Interior)	$49,690	<0.1%	Rank history: #54 in FY2022, #21 in FY2023, #15 in FY2024 and #15 in FY2025; up 54 since FY2020.
81	Elixir Technologies Corporation Top agencies Treasury (Department of the Treasury)	$49,251	<0.1%	Rank history: #56 in FY2022, #53 in FY2023, #47 in FY2024 and not on the FY2025 list; up 5 since FY2020.
82	FTR Ltd. Top agencies USAF (Department of the Air Force)	$48,454	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
83	Levata US, LLC Top agencies DOS (Department of State)	$44,079	<0.1%	Rank history: #25 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
84	Sky Creative for Trading and Contracting Company Top agencies USAF (Department of the Air Force)	$43,916	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	Intellectechs Inc. Top agencies USAID (US Agency for International Development)	$42,967	<0.1%	Rank history: #98 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
86	Power & Telephone Supply Co Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$42,237	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 65 since FY2020.
87	Memkor Inc. Top agencies DLA (Defense Logistics Agency)	$41,560	<0.1%	Rank history: #37 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
88	Government of the United States Through Army & Air Force Exchange Service Top agencies USAF (Department of the Air Force)	$41,230	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
89	USA Mobility Inc. Through Spok Inc. Top agencies Navy (Department of the Navy) DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$40,529	<0.1%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; up 50 since FY2020.
90	Vadel S A S Top agencies DOS (Department of State)	$37,844	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	AE Supply LLC Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) DLA (Defense Logistics Agency)	$36,473	<0.1%	Rank history: #26 in FY2022, #34 in FY2023, #34 in FY2024 and #18 in FY2025; up 47 since FY2020.
92	Voltani Inc. Top agencies DOS (Department of State)	$35,690	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
93	Groupgets LLC Top agencies DOJ (Department of Justice)	$35,583	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Brother Group for Trade & General Service Ltd Top agencies DOS (Department of State)	$34,400	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	XS International, LLC Top agencies DOS (Department of State)	$33,675	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 24 since FY2020.
96	Diltex, Inc. Top agencies DOJ (Department of Justice) USAF (Department of the Air Force)	$32,405	<0.1%	Rank history: #59 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; down 35 since FY2020.
97	Ultrabac Software, Inc. Top agencies DOS (Department of State)	$32,200	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 33 since FY2020.
98	Mythics, LLC Top agencies DOE (Department of Energy)	$31,922	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 39 since FY2020.
99	Reliable Supply Chains International Inc. Top agencies DOS (Department of State)	$31,661	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Argon Office Supplies Top agencies USAF (Department of the Air Force) GSA (General Services Administration)	$31,082	<0.1%	Rank history: #89 in FY2022, not on the FY2023 list, #44 in FY2024 and #25 in FY2025; up 20 since FY2020.

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100 of 177 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 4431

Code	Net obligations	Largest contractor
443120 Computer and Software Stores	$474,136,040	MCP Computer Products Inc.
443142 Electronics Stores	$2,877,161	Griffon Corporation

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 $495 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 4431 contractors in FY2021?

1. MCP Computer Products Inc. ($116M), 2. Arrow Electronics, Inc. ($82.6M), 3. New TECH Solutions, Inc. ($54.4M), 4. Unisys Corporation ($44.5M), 5. Vion Corporation ($28.6M), 6. Compuware Corporation ($27.2M), 7. Leidos Holdings, Inc. ($16.8M), 8. Distributed Solutions, Inc. ($15.4M), 9. Advantaged Solutions, LLC ($10.8M), 10. Thomas Scientific LLC ($10.3M).

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