Top 100 Contractors in PSC 7B21: IT and Telecom – Compute: Mainframe (Hardware and Perpetual License Software), FY2021

Name: Top 100 Contractors in PSC 7B21: IT and Telecom – Compute: Mainframe (Hardware and Perpetual License Software), FY2021
Creator: GovTribe

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

The top 10 won 45% of FY2021 PSC 7B21 contract dollars

Contract obligations: $418,258,935 Net of deobligations, by contracts coded PSC 7B21
Contractors: 321 Parent companies with an obligation
Largest contractor: Nana Regional Corporation Inc $37.6 million, 8.9% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Nana Regional Corporation Inc Through Affigent, LLC Top agencies Treasury (Department of the Treasury) DHS (Department of Homeland Security) DOJ (Department of Justice)	$37,596,329	8.9%	Rank history: #9 in FY2022, #12 in FY2023, #8 in FY2024 and #6 in FY2025; new, not ranked in FY2020.
2	MCP Computer Products Inc. Top agencies USSOCOM (United States Special Operations Command) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$23,854,906	5.7%	Rank history: #2 in FY2022, #13 in FY2023, #11 in FY2024 and #11 in FY2025; new, not ranked in FY2020.
3	Thundercat Technology, LLC Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$22,210,671	5.3%	Rank history: #4 in FY2022, #19 in FY2023, #14 in FY2024 and #9 in FY2025; new, not ranked in FY2020.
4	Fcn, Inc. Top agencies Treasury (Department of the Treasury) DHS (Department of Homeland Security) USDA (Department of Agriculture)	$19,632,990	4.7%	Rank history: #3 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; new, not ranked in FY2020.
5	CSP Enterprises, LLC Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$18,516,756	4.4%	Rank history: #27 in FY2022, #27 in FY2023, #31 in FY2024 and #37 in FY2025; new, not ranked in FY2020.
6	NCS Technologies Inc. Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) Army (Department of the Army)	$18,459,492	4.4%	Rank history: #5 in FY2022, #73 in FY2023, #16 in FY2024 and #30 in FY2025; new, not ranked in FY2020.
7	HP, Inc. 2 awardees, including HPI Federal LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$15,959,116	3.8%	Rank history: #12 in FY2022, #18 in FY2023, #90 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
8	Blue TECH Inc. Top agencies USSOCOM (United States Special Operations Command) Army (Department of the Army) USAF (Department of the Air Force)	$10,698,202	2.5%	Rank history: #10 in FY2022, #10 in FY2023, #23 in FY2024 and #33 in FY2025; new, not ranked in FY2020.
9	Lancer Information Solutions, LLC Top agencies Treasury (Department of the Treasury)	$10,376,554	2.5%	Rank history: #16 in FY2022, #16 in FY2023, #9 in FY2024 and #25 in FY2025; new, not ranked in FY2020.
10	H.i.g. Capital Management Inc. Through Iron Bow Technologies, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOT (Department of Transportation)	$10,284,294	2.4%	Rank history: #26 in FY2022, #23 in FY2023, #45 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
11	CDW Corporation 2 awardees, including CDW Government LLC Top agencies DOT (Department of Transportation) USUHS (DOD Uniformed Services University of the Health Sciences) Army (Department of the Army)	$9,959,629	2.4%	Rank history: #6 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
12	Dell Federal Systems L.P. 2 awardees, including Dell Marketing L.P. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$9,130,371	2.2%	Rank history: #1 in FY2022, #14 in FY2023, #92 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
13	Leidos Holdings, Inc. Through Leidos, Inc. Top agencies DOT (Department of Transportation)	$9,051,125	2.2%	Rank history: #29 in FY2022, #44 in FY2023, #54 in FY2024 and #56 in FY2025; new, not ranked in FY2020.
14	Paragon Micro Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Treasury (Department of the Treasury)	$8,651,223	2.1%	Rank history: #67 in FY2022, #72 in FY2023, #17 in FY2024 and #87 in FY2025; new, not ranked in FY2020.
15	Alphasix, Llc. Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice)	$7,847,580	1.9%	Rank history: #20 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
16	Integral Federal, Inc. Top agencies DOS (Department of State)	$7,427,733	1.8%	Rank history: #13 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
17	Four LLC Top agencies DOJ (Department of Justice) DOS (Department of State) Navy (Department of the Navy)	$7,364,351	1.8%	Rank history: #60 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; new, not ranked in FY2020.
18	Unisys Corporation Top agencies Treasury (Department of the Treasury)	$7,299,582	1.7%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
19	Government Acquisitions LLC Top agencies Treasury (Department of the Treasury) Army (Department of the Army) DHS (Department of Homeland Security)	$7,150,686	1.7%	Rank history: #25 in FY2022, #6 in FY2023, #6 in FY2024 and #19 in FY2025; new, not ranked in FY2020.
20	Nova-Dine LLC Through Dine' Source, LLC Top agencies Treasury (Department of the Treasury)	$6,462,535	1.5%	Rank history: #53 in FY2022, #40 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
21	Govsmart, Inc. Top agencies USSOCOM (United States Special Operations Command) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$6,254,528	1.5%	Rank history: #23 in FY2022, #22 in FY2023, #32 in FY2024 and #78 in FY2025; new, not ranked in FY2020.
22	New TECH Solutions, Inc. Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture) DOS (Department of State)	$6,210,963	1.5%	Rank history: #24 in FY2022, #15 in FY2023, #29 in FY2024 and #8 in FY2025; new, not ranked in FY2020.
23	Sterling Computers Corporation Top agencies USAF (Department of the Air Force) DMA (Defense Media Activity) HHS (Department of Health and Human Services)	$6,110,147	1.5%	Rank history: #18 in FY2022, #11 in FY2023, #12 in FY2024 and #12 in FY2025; new, not ranked in FY2020.
24	Akira Technologies Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$5,988,292	1.4%	Rank history: #21 in FY2022, #32 in FY2023, #91 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
25	Carahsoft Technology Corp Top agencies Treasury (Department of the Treasury) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$5,656,609	1.3%	Rank history: #17 in FY2022, #7 in FY2023, #5 in FY2024 and #10 in FY2025; new, not ranked in FY2020.
26	CDW Government LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$4,872,972	1.2%	Rank history: not on the FY2022–FY2023 lists, #42 in FY2024 and #27 in FY2025; new, not ranked in FY2020.
27	Dynamic Systems Inc. Top agencies USSOCOM (United States Special Operations Command) Treasury (Department of the Treasury) DFAS (Defense Finance and Accounting Service)	$4,824,198	1.1%	Rank history: #68 in FY2022, #80 in FY2023, #87 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
28	Mythics, LLC Through Emergent, LLC Top agencies DFAS (Defense Finance and Accounting Service) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$4,577,460	1.1%	Rank history: #72 in FY2022, #52 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
29	Red River Technology LLC Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$4,252,055	1.0%	Rank history: #15 in FY2022, #17 in FY2023, #39 in FY2024 and #29 in FY2025; new, not ranked in FY2020.
30	Disys Solutions, Inc. Top agencies DOT (Department of Transportation) GSA (General Services Administration) USAF (Department of the Air Force)	$3,875,372	0.9%	Rank history: not on the FY2022 list, #92 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
31	Sealing Technologies, LLC Top agencies Navy (Department of the Navy)	$3,867,313	0.9%	Rank history: #11 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
32	Advanced Computer Concepts, Inc. Top agencies DOJ (Department of Justice) USSOCOM (United States Special Operations Command) USAF (Department of the Air Force)	$3,686,825	0.9%	Rank history: #66 in FY2022, #50 in FY2023, #68 in FY2024 and #53 in FY2025; new, not ranked in FY2020.
33	Minburn Technology Group, LLC Top agencies VA (Department of Veterans Affairs)	$3,613,438	0.9%	Rank history: #58 in FY2022, #21 in FY2023, #67 in FY2024 and #45 in FY2025; new, not ranked in FY2020.
34	Software Information Resource Corp. Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$3,250,518	0.8%	Rank history: #34 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
35	Anacapa Micro Products, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) DISA (Defense Information Systems Agency)	$3,007,827	0.7%	Rank history: #43 in FY2022, not on the FY2023–FY2024 lists and #96 in FY2025; new, not ranked in FY2020.
36	Countertrade Products, Inc. Top agencies EXIM (Export Import Bank of the US) USAID (US Agency for International Development) DOI (Department of the Interior)	$2,992,962	0.7%	Rank history: #19 in FY2022, #20 in FY2023, #7 in FY2024 and #16 in FY2025; new, not ranked in FY2020.
37	Arrow Electronics, Inc. 2 awardees, including Immixtechnology Inc. and EC America, Inc. Top agencies Treasury (Department of the Treasury) SSA (Social Security Administration) USDA (Department of Agriculture)	$2,905,204	0.7%	Rank history: #35 in FY2022, #28 in FY2023, #36 in FY2024 and #35 in FY2025; new, not ranked in FY2020.
38	Acacia Investment Holdings LLC Through Caci Idt, LLC Top agencies DOJ (Department of Justice) CFPB (Consumer Financial Protection Bureau) USAF (Department of the Air Force)	$2,892,342	0.7%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
39	Iron Bow Technologies, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$2,684,647	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	World Wide Technology Holding Co. Inc. Through World Wide Technology LLC Top agencies DOJ (Department of Justice) Army (Department of the Army) USAF (Department of the Air Force)	$2,619,546	0.6%	Rank history: #32 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
41	Transdigm Group Incorporated Through Scioteq LLC Top agencies Navy (Department of the Navy)	$2,566,245	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
42	Strategic Communications LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services)	$2,335,239	0.6%	Rank history: #8 in FY2022, #62 in FY2023, #52 in FY2024 and #26 in FY2025; new, not ranked in FY2020.
43	Raventek Solution Partners, LLC Top agencies DOI (Department of the Interior)	$2,088,499	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
44	Transource Services Corp. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOJ (Department of Justice)	$2,031,256	0.5%	Rank history: #30 in FY2022, #47 in FY2023, #47 in FY2024 and #49 in FY2025; new, not ranked in FY2020.
45	Regency Consulting Inc. Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$1,962,726	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	Science Applications International Corporation Top agencies Treasury (Department of the Treasury)	$1,757,371	0.4%	Rank history: #7 in FY2022, #4 in FY2023, #4 in FY2024 and #4 in FY2025; new, not ranked in FY2020.
47	Westwind Computer Products, Inc. Top agencies NASA (National Aeronautics and Space Administration) DOE (Department of Energy) HHS (Department of Health and Human Services)	$1,651,508	0.4%	Rank history: #90 in FY2022, not on the FY2023 list, #25 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
48	Tribalco LLC Top agencies USAF (Department of the Air Force)	$1,618,882	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Government Marketing and Procurement, LLC Top agencies Treasury (Department of the Treasury)	$1,506,690	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	DH Technologies, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOE (Department of Energy)	$1,291,890	0.3%	Rank history: #65 in FY2022, not on the FY2023 list, #69 in FY2024 and #65 in FY2025; new, not ranked in FY2020.
51	4 Star Technologies, Inc. Top agencies USDA (Department of Agriculture) USAF (Department of the Air Force)	$1,291,666	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
52	Panamerica Computers, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$1,274,525	0.3%	Rank history: #82 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
53	Alvarez LLC Top agencies DOS (Department of State) DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,237,762	0.3%	Rank history: #45 in FY2022, #66 in FY2023, #58 in FY2024 and #64 in FY2025; new, not ranked in FY2020.
54	Abba Technologies, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$1,218,442	0.3%	Rank history: not on the FY2022 list, #59 in FY2023, #98 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
55	ABM Federal Sales, Inc. Top agencies EEOC (Equal Employment Opportunity Commission) Navy (Department of the Navy) Treasury (Department of the Treasury)	$1,160,897	0.3%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
56	JC Technology Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Commerce (Department of Commerce)	$1,137,512	0.3%	Rank history: #36 in FY2022, #39 in FY2023, #40 in FY2024 and #77 in FY2025; new, not ranked in FY2020.
57	Xator LLC Through Incadence Strategic Solutions LLC Top agencies Navy (Department of the Navy)	$1,005,088	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
58	G2It, LLC Top agencies Treasury (Department of the Treasury)	$1,003,282	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Everbatim, Inc. Top agencies Army (Department of the Army)	$988,628	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
60	Metgreen Solutions Inc. Top agencies DOT (Department of Transportation)	$987,445	0.2%	Rank history: #57 in FY2022, not on the FY2023–FY2024 lists and #24 in FY2025; new, not ranked in FY2020.
61	Economic Systems Inc. Top agencies DHS (Department of Homeland Security)	$936,579	0.2%	Rank history: #52 in FY2022, #56 in FY2023, #57 in FY2024 and #51 in FY2025; new, not ranked in FY2020.
62	M2 Technology, Inc. Top agencies OPM (Office of Personnel Management) USAF (Department of the Air Force) Navy (Department of the Navy)	$914,239	0.2%	Rank history: #39 in FY2022, #88 in FY2023, #76 in FY2024 and #55 in FY2025; new, not ranked in FY2020.
63	Bahfed Corp Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury) USDA (Department of Agriculture)	$900,135	0.2%	Rank history: #59 in FY2022, #57 in FY2023, #60 in FY2024 and #40 in FY2025; new, not ranked in FY2020.
64	Executive Information Systems, L.L.C. Top agencies USDA (Department of Agriculture) DOE (Department of Energy) USAF (Department of the Air Force)	$853,991	0.2%	Rank history: #41 in FY2022, #55 in FY2023, #22 in FY2024 and #14 in FY2025; new, not ranked in FY2020.
65	Fedbiz It Solutions LLC Top agencies Army (Department of the Army) Commerce (Department of Commerce)	$813,200	0.2%	Rank history: #37 in FY2022, #63 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
66	I3 Federal LLC Top agencies NASA (National Aeronautics and Space Administration)	$774,293	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Impres Technology Solutions, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Navy (Department of the Navy)	$735,608	0.2%	Rank history: #62 in FY2022, #90 in FY2023, #93 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
68	Enterprise Technology Solutions, Inc. Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy) Treasury (Department of the Treasury)	$726,569	0.2%	Rank history: not on the FY2022 list, #83 in FY2023, not on the FY2024 list and #47 in FY2025; new, not ranked in FY2020.
69	Unicom Global Inc. Through Unicom Government, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior) Treasury (Department of the Treasury)	$705,871	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	Avantus Federal LLC Top agencies DOT (Department of Transportation)	$703,552	0.2%	Rank history: #83 in FY2022, #86 in FY2023, #89 in FY2024 and #66 in FY2025; new, not ranked in FY2020.
71	Allied Associates International, Inc. Top agencies DOJ (Department of Justice)	$700,134	0.2%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
72	Norseman Inc. Top agencies DOS (Department of State) Navy (Department of the Navy)	$673,281	0.2%	Rank history: not on the FY2022 list, #43 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
73	ATP Gov, LLC Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$619,293	0.1%	Rank history: #86 in FY2022, not on the FY2023 list, #65 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
74	Integration Technologies Group, Inc. Top agencies USAF (Department of the Air Force) Treasury (Department of the Treasury) Navy (Department of the Navy)	$584,635	0.1%	Rank history: #54 in FY2022, #97 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
75	Lyme Computer Systems, Inc. Top agencies USAGM (US Agency for Global Media) USAF (Department of the Air Force) DOE (Department of Energy)	$580,019	0.1%	Rank history: #22 in FY2022, #36 in FY2023, not on the FY2024 list and #67 in FY2025; new, not ranked in FY2020.
76	Better Direct, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$568,215	0.1%	Rank history: #61 in FY2022, not on the FY2023 list, #46 in FY2024 and #79 in FY2025; new, not ranked in FY2020.
77	Microtechnologies LLC Top agencies NSF (National Science Foundation) Army (Department of the Army) DOT (Department of Transportation)	$533,064	0.1%	Rank history: #94 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
78	Trace3 Government, LLC Top agencies Army (Department of the Army)	$532,235	0.1%	Rank history: #50 in FY2022, #45 in FY2023, not on the FY2024 list and #80 in FY2025; new, not ranked in FY2020.
79	Oxygen Forensics Inc. Top agencies DHS (Department of Homeland Security)	$460,957	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Govplace, LLC Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$459,541	0.1%	Rank history: #88 in FY2022, #89 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
81	Griffeye Inc. Top agencies DHS (Department of Homeland Security)	$453,250	0.1%	Rank history: #74 in FY2022, #74 in FY2023, #78 in FY2024 and #57 in FY2025; new, not ranked in FY2020.
82	Aurora Systems Consulting Inc. Top agencies Navy (Department of the Navy) PBGC (Pension Benefit Guaranty Corporation) NSF (National Science Foundation)	$423,870	0.1%	Rank history: #98 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
83	PC Connection Inc. Through Govconnection Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) NSF (National Science Foundation)	$416,153	0.1%	Rank history: #31 in FY2022, #53 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
84	HP Enterprise Services LLC Through Peraton Inc. Top agencies Navy (Department of the Navy)	$400,000	0.1%	Rank history: #89 in FY2022, #94 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
85	Architechture Solutions LLC Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$384,032	0.1%	Rank history: not on the FY2022–FY2024 lists and #83 in FY2025; new, not ranked in FY2020.
86	Regan Technologies Corp Top agencies Treasury (Department of the Treasury) Commerce (Department of Commerce) NASA (National Aeronautics and Space Administration)	$376,886	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	DLT Solutions LLC 2 awardees, including TECH Data Government Solutions, LLC Top agencies DFAS (Defense Finance and Accounting Service) DOS (Department of State) DHS (Department of Homeland Security)	$374,153	0.1%	Rank history: #42 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
88	Accessagility LLC Top agencies HHS (Department of Health and Human Services) DISA (Defense Information Systems Agency)	$370,986	0.1%	Rank history: #95 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
89	Semoice Technology Inc. Top agencies DOI (Department of the Interior)	$367,282	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Epoch Concepts LLC Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services)	$364,492	0.1%	Rank history: not on the FY2022–FY2024 lists and #52 in FY2025; new, not ranked in FY2020.
91	Mvation Worldwide, Inc. Top agencies USAF (Department of the Air Force) DOS (Department of State)	$338,685	0.1%	Rank history: #64 in FY2022, not on the FY2023–FY2024 lists and #70 in FY2025; new, not ranked in FY2020.
92	Wildflower International, Ltd. Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency) DHS (Department of Homeland Security)	$330,416	0.1%	Rank history: #81 in FY2022, #58 in FY2023, #51 in FY2024 and #84 in FY2025; new, not ranked in FY2020.
93	Applied Controls Inc. Top agencies Navy (Department of the Navy)	$322,152	0.1%	Rank history: not on the FY2022–FY2023 lists, #72 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
94	Optiv Federal Inc. Top agencies DHS (Department of Homeland Security)	$321,464	0.1%	Rank history: #96 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
95	FS Partners, LLP Top agencies DHS (Department of Homeland Security)	$309,694	0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
96	Tyler Federal, LLC Top agencies Treasury (Department of the Treasury)	$308,168	0.1%	Rank history: #99 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
97	Optivor Technologies, LLC Top agencies USSOCOM (United States Special Operations Command)	$305,684	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
98	Fedgovit, Inc. Top agencies USAF (Department of the Air Force)	$292,592	0.1%	Rank history: #51 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
99	Agsi, LLC Top agencies DOS (Department of State)	$285,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	American Wordata, Inc. Top agencies NASA (National Aeronautics and Space Administration) DOJ (Department of Justice) USSOCOM (United States Special Operations Command)	$281,848	0.1%	Rank history: #40 in FY2022, not on the FY2023 list, #96 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.

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100 of 321 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 $420 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 PSC 7B21 contractors in FY2021?

1. Nana Regional Corporation Inc ($37.6M), 2. MCP Computer Products Inc. ($23.9M), 3. Thundercat Technology, LLC ($22.2M), 4. Fcn, Inc. ($19.6M), 5. CSP Enterprises, LLC ($18.5M), 6. NCS Technologies Inc. ($18.5M), 7. HP, Inc. ($16M), 8. Blue TECH Inc. ($10.7M), 9. Lancer Information Solutions, LLC ($10.4M), 10. H.i.g. Capital Management Inc. ($10.3M).

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