Top 100 Contractors in PSC 7B21: IT and Telecom – Compute: Mainframe (Hardware and Perpetual License Software), FY2023

Name: Top 100 Contractors in PSC 7B21: IT and Telecom – Compute: Mainframe (Hardware and Perpetual License Software), FY2023
Creator: GovTribe

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

The top 10 won 51% of FY2023 PSC 7B21 contract dollars

Contract obligations: $714,027,680 Net of deobligations, by contracts coded PSC 7B21
Contractors: 358 Parent companies with an obligation
Largest contractor: Four LLC $65.3 million, 9.1% 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	Four LLC Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice) Army (Department of the Army)	$65,251,620	9.1%	Rank history: #17 in FY2021, #60 in FY2022, #1 in FY2024 and #1 in FY2025; up 59 since FY2022.
2	FCN, Inc. Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice) DHS (Department of Homeland Security)	$58,612,058	8.2%	Rank history: #4 in FY2021, #3 in FY2022, #2 in FY2024 and #2 in FY2025; up 1 since FY2022.
3	Sealing Technologies LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$49,175,040	6.8%	Rank history: not on the FY2021–FY2022 lists, #13 in FY2024 and #21 in FY2025; new.
4	Science Applications International Corporation 2 awardees Top agencies Treasury (Department of the Treasury) Navy (Department of the Navy)	$48,423,577	6.7%	Rank history: #46 in FY2021, #7 in FY2022, #4 in FY2024 and #4 in FY2025; up 3 since FY2022.
5	Greenbrier Government Solutions Inc. Top agencies USAF (Department of the Air Force) DOI (Department of the Interior) USSOCOM (United States Special Operations Command)	$28,352,933	3.9%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2024 and #3 in FY2025; new.
6	Government Acquisitions LLC Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) Army (Department of the Army)	$28,202,451	3.9%	Rank history: #19 in FY2021, #25 in FY2022, #6 in FY2024 and #19 in FY2025; up 19 since FY2022.
7	Carahsoft Technology Corp Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) DOJ (Department of Justice)	$23,227,829	3.2%	Rank history: #25 in FY2021, #17 in FY2022, #5 in FY2024 and #10 in FY2025; up 10 since FY2022.
8	CDW Corporation Through CDW Government LLC Top agencies USUHS (DOD Uniformed Services University of the Health Sciences) DOT (Department of Transportation) Army (Department of the Army)	$22,338,628	3.1%	Rank history: #11 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
9	Fedgovit, Inc. Top agencies Treasury (Department of the Treasury)	$22,064,178	3.1%	Rank history: #98 in FY2021, #51 in FY2022 and not on the FY2024–FY2025 lists; up 42 since FY2022.
10	Blue TECH Inc. Top agencies USSOCOM (United States Special Operations Command) Army (Department of the Army) Treasury (Department of the Treasury)	$21,456,484	3.0%	Rank history: #8 in FY2021, #10 in FY2022, #23 in FY2024 and #33 in FY2025; unchanged since FY2022.
11	Sterling Computers Corporation Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOL (Department of Labor)	$20,224,286	2.8%	Rank history: #23 in FY2021, #18 in FY2022, #12 in FY2024 and #12 in FY2025; up 7 since FY2022.
12	Nana Regional Corporation Inc Through Affigent, LLC Top agencies Treasury (Department of the Treasury) DFAS (Defense Finance and Accounting Service) USSOCOM (United States Special Operations Command)	$19,813,919	2.8%	Rank history: #1 in FY2021, #9 in FY2022, #8 in FY2024 and #6 in FY2025; down 3 since FY2022.
13	MCP Computer Products Inc. Top agencies USSOCOM (United States Special Operations Command) FCC (Federal Communications Commission) Army (Department of the Army)	$18,898,543	2.6%	Rank history: #2 in FY2021, #2 in FY2022, #11 in FY2024 and #11 in FY2025; down 11 since FY2022.
14	Dell Federal Systems L.P. 2 awardees, including Dell Marketing L.P. Top agencies SSA (Social Security Administration) Army (Department of the Army) USAF (Department of the Air Force)	$17,505,425	2.4%	Rank history: #12 in FY2021, #1 in FY2022, #92 in FY2024 and not on the FY2025 list; down 13 since FY2022.
15	New TECH Solutions, Inc. Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command) DODIG (Department of Defense Inspector General)	$15,298,774	2.1%	Rank history: #22 in FY2021, #24 in FY2022, #29 in FY2024 and #8 in FY2025; up 9 since FY2022.
16	Lancer Information Solutions, LLC Top agencies Treasury (Department of the Treasury)	$15,156,683	2.1%	Rank history: #9 in FY2021, #16 in FY2022, #9 in FY2024 and #25 in FY2025; unchanged since FY2022.
17	Red River Technology LLC 2 awardees, including Distributed Technology Group LLC Top agencies DOT (Department of Transportation) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$15,082,646	2.1%	Rank history: #29 in FY2021, #15 in FY2022, #39 in FY2024 and #29 in FY2025; down 2 since FY2022.
18	HP, Inc. 2 awardees, including HPI Federal LLC and Uscomputers Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$13,789,282	1.9%	Rank history: #7 in FY2021, #12 in FY2022, #90 in FY2024 and not on the FY2025 list; down 6 since FY2022.
19	Thundercat Technology LLC Top agencies Treasury (Department of the Treasury) DOS (Department of State) DOJ (Department of Justice)	$12,766,660	1.8%	Rank history: #3 in FY2021, #4 in FY2022, #14 in FY2024 and #9 in FY2025; down 15 since FY2022.
20	Countertrade Products, Inc. Top agencies USAF (Department of the Air Force) Treasury (Department of the Treasury) DOJ (Department of Justice)	$11,687,140	1.6%	Rank history: #36 in FY2021, #19 in FY2022, #7 in FY2024 and #16 in FY2025; down 1 since FY2022.
21	Minburn Technology Group, LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$9,653,029	1.3%	Rank history: #33 in FY2021, #58 in FY2022, #67 in FY2024 and #45 in FY2025; up 37 since FY2022.
22	Govsmart, Inc. Top agencies USSOCOM (United States Special Operations Command) USAF (Department of the Air Force) USAGM (US Agency for Global Media)	$8,858,033	1.2%	Rank history: #21 in FY2021, #23 in FY2022, #32 in FY2024 and #78 in FY2025; up 1 since FY2022.
23	H.i.g. Capital Management Inc. Through Iron Bow Technologies, LLC Top agencies Army (Department of the Army) DOT (Department of Transportation) DOS (Department of State)	$8,485,153	1.2%	Rank history: #10 in FY2021, #26 in FY2022, #45 in FY2024 and not on the FY2025 list; up 3 since FY2022.
24	Alphasix Corporation Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice)	$7,868,796	1.1%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2024 and not on the FY2025 list; up 296 since FY2022.
25	Software Information Resource Corp Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury) USAF (Department of the Air Force)	$7,799,892	1.1%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2024 and #20 in FY2025; up 81 since FY2022.
26	V3Gate, LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$6,468,542	0.9%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and #88 in FY2025; up 236 since FY2022.
27	CSP Enterprises, LLC Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$6,254,092	0.9%	Rank history: #5 in FY2021, #27 in FY2022, #31 in FY2024 and #37 in FY2025; unchanged since FY2022.
28	Arrow Electronics, Inc. 2 awardees, including EC America, Inc. and Immixtechnology Inc. Top agencies USAF (Department of the Air Force) Treasury (Department of the Treasury) DHRA (Defense Human Resources Activity)	$6,141,351	0.9%	Rank history: #37 in FY2021, #35 in FY2022, #36 in FY2024 and #35 in FY2025; up 7 since FY2022.
29	World Wide Technology LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOJ (Department of Justice)	$5,888,154	0.8%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2024 and #32 in FY2025; new.
30	BMC Software, Inc. Through BMC Software Federal LLC Top agencies Treasury (Department of the Treasury)	$5,596,250	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 114 since FY2022.
31	Regency Consulting Inc Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration)	$5,555,633	0.8%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2024 and #81 in FY2025; new.
32	Akira Technologies Inc. Top agencies Treasury (Department of the Treasury) USAGM (US Agency for Global Media) HHS (Department of Health and Human Services)	$5,242,352	0.7%	Rank history: #24 in FY2021, #21 in FY2022, #91 in FY2024 and not on the FY2025 list; down 11 since FY2022.
33	DLT Solutions LLC Top agencies USAF (Department of the Air Force) DISA (Defense Information Systems Agency) HHS (Department of Health and Human Services)	$3,537,312	0.5%	Rank history: #87 in FY2021, #42 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
34	Hewlett Packard Enterprise Co Top agencies HHS (Department of Health and Human Services)	$3,467,677	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 291 since FY2022.
35	Aurora Systems Consulting Inc. Top agencies USSOCOM (United States Special Operations Command) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$3,063,952	0.4%	Rank history: #82 in FY2021, #98 in FY2022 and not on the FY2024–FY2025 lists; up 63 since FY2022.
36	Lyme Computer Systems, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Commerce (Department of Commerce)	$2,895,251	0.4%	Rank history: #75 in FY2021, #22 in FY2022, not on the FY2024 list and #67 in FY2025; down 14 since FY2022.
37	Metgreen Solutions Inc Top agencies DOT (Department of Transportation)	$2,856,432	0.4%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2024 and not on the FY2025 list; new.
38	Bell and Howell LLC Top agencies Treasury (Department of the Treasury)	$2,848,624	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
39	JC Technology Inc Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOJ (Department of Justice)	$2,762,032	0.4%	Rank history: #56 in FY2021, #36 in FY2022, #40 in FY2024 and #77 in FY2025; down 3 since FY2022.
40	Nova-Dine LLC Through Dine' Source, LLC Top agencies Treasury (Department of the Treasury)	$2,755,162	0.4%	Rank history: #20 in FY2021, #53 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
41	Afognak Native Corporation Through Alutiiq Essential Services LLC Top agencies DOS (Department of State)	$2,729,948	0.4%	Rank history: not on the FY2021 list, #28 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
42	Panamerica Computers, Inc. Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$2,671,838	0.4%	Rank history: #52 in FY2021, #82 in FY2022 and not on the FY2024–FY2025 lists; up 40 since FY2022.
43	Norseman Inc. Top agencies Navy (Department of the Navy)	$2,552,723	0.4%	Rank history: #72 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 167 since FY2022.
44	Leidos Holdings, Inc. Through Leidos, Inc. Top agencies DOT (Department of Transportation)	$2,410,150	0.3%	Rank history: #13 in FY2021, #29 in FY2022, #54 in FY2024 and #56 in FY2025; down 15 since FY2022.
45	Trace3 Government, LLC Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command) Navy (Department of the Navy)	$2,167,157	0.3%	Rank history: #78 in FY2021, #50 in FY2022, not on the FY2024 list and #80 in FY2025; up 5 since FY2022.
46	Collabralink Technologies Inc. Through Groundswell Corporation Top agencies HHS (Department of Health and Human Services)	$2,149,934	0.3%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2024 and not on the FY2025 list; new.
47	Transource Services Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DOS (Department of State)	$2,102,983	0.3%	Rank history: #44 in FY2021, #30 in FY2022, #47 in FY2024 and #49 in FY2025; down 17 since FY2022.
48	Veteran Information Technologies, LLC Top agencies Navy (Department of the Navy)	$2,042,904	0.3%	Rank history: not on the FY2021 list, #70 in FY2022, not on the FY2024 list and #39 in FY2025; up 22 since FY2022.
49	SAS Institute Inc. Top agencies Treasury (Department of the Treasury)	$1,966,103	0.3%	Rank history: not on the FY2021 list, #47 in FY2022, #41 in FY2024 and #38 in FY2025; down 2 since FY2022.
50	Advanced Computer Concepts, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$1,860,001	0.3%	Rank history: #32 in FY2021, #66 in FY2022, #68 in FY2024 and #53 in FY2025; up 16 since FY2022.
51	Vanguard Integrity Professionals Inc. Top agencies Treasury (Department of the Treasury)	$1,809,126	0.3%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2024 and #43 in FY2025; new.
52	Mythics, LLC 2 awardees, including Emergent, LLC Top agencies DFAS (Defense Finance and Accounting Service) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$1,694,650	0.2%	Rank history: #28 in FY2021, #72 in FY2022 and not on the FY2024–FY2025 lists; up 20 since FY2022.
53	PC Connection Inc. Through Govconnection Inc. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$1,648,942	0.2%	Rank history: #83 in FY2021, #31 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
54	Knot Technology Solutions L.L.C. Top agencies DOJ (Department of Justice)	$1,601,182	0.2%	Rank history: not on the FY2021–FY2022 lists, #43 in FY2024 and #22 in FY2025; new.
55	Executive Information Systems, L.L.C. Top agencies USDA (Department of Agriculture) Treasury (Department of the Treasury) DOE (Department of Energy)	$1,548,368	0.2%	Rank history: #64 in FY2021, #41 in FY2022, #22 in FY2024 and #14 in FY2025; down 14 since FY2022.
56	Economic Systems Inc. Top agencies DHS (Department of Homeland Security)	$1,439,532	0.2%	Rank history: #61 in FY2021, #52 in FY2022, #57 in FY2024 and #51 in FY2025; down 4 since FY2022.
57	Bahfed Corp Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) USDA (Department of Agriculture)	$1,439,453	0.2%	Rank history: #63 in FY2021, #59 in FY2022, #60 in FY2024 and #40 in FY2025; up 2 since FY2022.
58	Wildflower International, Ltd. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$1,264,540	0.2%	Rank history: #92 in FY2021, #81 in FY2022, #51 in FY2024 and #84 in FY2025; up 23 since FY2022.
59	Abba Technologies, Inc. Top agencies Treasury (Department of the Treasury) Navy (Department of the Navy) DOS (Department of State)	$1,218,637	0.2%	Rank history: #54 in FY2021, not on the FY2022 list, #98 in FY2024 and not on the FY2025 list; up 61 since FY2022.
60	Ma Federal, Inc. Top agencies DHS (Department of Homeland Security)	$1,130,246	0.2%	Rank history: not on the FY2021 list, #38 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
61	ABM Federal Sales Inc. Top agencies EEOC (Equal Employment Opportunity Commission) Treasury (Department of the Treasury) DOS (Department of State)	$1,017,624	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2024 and not on the FY2025 list; new.
62	Strategic Communications LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services)	$1,011,459	0.1%	Rank history: #42 in FY2021, #8 in FY2022, #52 in FY2024 and #26 in FY2025; down 54 since FY2022.
63	Fedbiz It Solutions LLC Top agencies Army (Department of the Army)	$958,261	0.1%	Rank history: #65 in FY2021, #37 in FY2022 and not on the FY2024–FY2025 lists; down 26 since FY2022.
64	Colossal Contracting LLC Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) DOJ (Department of Justice)	$927,907	0.1%	Rank history: not on the FY2021 list, #14 in FY2022, #88 in FY2024 and #23 in FY2025; down 50 since FY2022.
65	Elegant Enterprise-Wide Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$894,728	0.1%	Rank history: not on the FY2021 list, #63 in FY2022, #62 in FY2024 and not on the FY2025 list; down 2 since FY2022.
66	Alvarez LLC Top agencies HHS (Department of Health and Human Services) SBA (Small Business Administration) CFTC (Commodity Futures Trading Commission)	$875,918	0.1%	Rank history: #53 in FY2021, #45 in FY2022, #58 in FY2024 and #64 in FY2025; down 21 since FY2022.
67	Redhawk It Solutions, LLC Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) DHA (Defense Health Agency)	$788,793	0.1%	Rank history: not on the FY2021 list, #75 in FY2022, #70 in FY2024 and #50 in FY2025; up 8 since FY2022.
68	Arcsource Group Inc Top agencies HHS (Department of Health and Human Services)	$779,604	0.1%	Rank history: not on the FY2021 list, #73 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
69	Cypher Analytics, Inc. Through Crown Point Systems Inc. Top agencies USAF (Department of the Air Force)	$769,376	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	Obxtek Inc. Top agencies DOJ (Department of Justice)	$750,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	The Winvale Group, LLC Top agencies HHS (Department of Health and Human Services)	$749,885	0.1%	Rank history: not on the FY2021 list, #69 in FY2022, #75 in FY2024 and not on the FY2025 list; down 2 since FY2022.
72	Paragon Micro Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$731,214	0.1%	Rank history: #14 in FY2021, #67 in FY2022, #17 in FY2024 and #87 in FY2025; down 5 since FY2022.
73	NCS Technologies Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) DISA (Defense Information Systems Agency)	$669,267	0.1%	Rank history: #6 in FY2021, #5 in FY2022, #16 in FY2024 and #30 in FY2025; down 68 since FY2022.
74	Griffeye Inc. Top agencies DHS (Department of Homeland Security)	$660,450	0.1%	Rank history: #81 in FY2021, #74 in FY2022, #78 in FY2024 and #57 in FY2025; unchanged since FY2022.
75	Government Retirement & Benefits, Inc. Top agencies Treasury (Department of the Treasury)	$615,892	0.1%	Rank history: not on the FY2021 list, #84 in FY2022, #85 in FY2024 and #63 in FY2025; up 9 since FY2022.
76	Tigua-Jtek LLC Top agencies DOJ (Department of Justice)	$614,076	0.1%	Rank history: not on the FY2021 list, #44 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
77	3DB Labs Inc. Top agencies USAF (Department of the Air Force)	$588,950	0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #82 in FY2024 and not on the FY2025 list; up 3 since FY2022.
78	Scioteq LLC Top agencies Navy (Department of the Navy)	$568,491	0.1%	Rank history: not on the FY2021 list, #49 in FY2022 and not on the FY2024–FY2025 lists; down 29 since FY2022.
79	Lumen Technologies, Inc. Through Level 3 Telecom Holdings, LLC Top agencies DOS (Department of State)	$558,220	0.1%	Rank history: not on the FY2021 list, #55 in FY2022 and not on the FY2024–FY2025 lists; down 24 since FY2022.
80	Dynamic Systems Inc. Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice) Navy (Department of the Navy)	$551,556	0.1%	Rank history: #27 in FY2021, #68 in FY2022, #87 in FY2024 and not on the FY2025 list; down 12 since FY2022.
81	Mac Business Solutions, Inc. Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury) Navy (Department of the Navy)	$541,177	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 26 since FY2022.
82	CTG Federal, LLC Top agencies DOJ (Department of Justice) Navy (Department of the Navy)	$507,844	0.1%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2024 and not on the FY2025 list; new.
83	Enterprise Technology Solutions, Inc. Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy)	$502,188	0.1%	Rank history: #68 in FY2021, not on the FY2022 list, not on the FY2024 list and #47 in FY2025; up 51 since FY2022.
84	H. Co. Computer Products Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) Navy (Department of the Navy)	$476,587	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 72 since FY2022.
85	Merlin International, Inc. Top agencies DOJ (Department of Justice)	$475,440	0.1%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2024 and #72 in FY2025; new.
86	Avantus Federal LLC Top agencies DOT (Department of Transportation)	$474,202	0.1%	Rank history: #70 in FY2021, #83 in FY2022, #89 in FY2024 and #66 in FY2025; down 3 since FY2022.
87	Environmental Systems Research Institute, Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) DOS (Department of State)	$467,422	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 29 since FY2022.
88	M2 Technology, Inc. Top agencies USAF (Department of the Air Force)	$456,071	0.1%	Rank history: #62 in FY2021, #39 in FY2022, #76 in FY2024 and #55 in FY2025; down 49 since FY2022.
89	Govplace, LLC Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) DOS (Department of State)	$450,546	0.1%	Rank history: #80 in FY2021, #88 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
90	Impres Technology Solutions, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$441,573	0.1%	Rank history: #67 in FY2021, #62 in FY2022, #93 in FY2024 and not on the FY2025 list; down 28 since FY2022.
91	En-Net Services, L.L.C. Top agencies HHS (Department of Health and Human Services)	$424,978	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #61 in FY2025; new.
92	Disys Solutions, Inc. Top agencies DOT (Department of Transportation) USSOCOM (United States Special Operations Command) DOI (Department of the Interior)	$420,607	0.1%	Rank history: #30 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 40 since FY2022.
93	V & Z Enterprises Incorporated Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$407,642	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 135 since FY2022.
94	HP Enterprise Services LLC Through Peraton Inc. Top agencies USAF (Department of the Air Force)	$400,000	0.1%	Rank history: #84 in FY2021, #89 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
95	Flywheel Data LLC Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$398,659	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #93 in FY2025; up 46 since FY2022.
96	Avaya Federal Solutions Inc. Top agencies DOI (Department of the Interior) DHS (Department of Homeland Security)	$371,051	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Integration Technologies Group, Inc. Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$356,028	<0.1%	Rank history: #74 in FY2021, #54 in FY2022 and not on the FY2024–FY2025 lists; down 43 since FY2022.
98	Itech Devices, Inc. Top agencies DOS (Department of State) Navy (Department of the Navy) USAF (Department of the Air Force)	$352,746	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 150 since FY2022.
99	Snap, Inc. Top agencies DHS (Department of Homeland Security)	$348,905	<0.1%	Rank history: not on the FY2021 list, #87 in FY2022, #100 in FY2024 and not on the FY2025 list; down 12 since FY2022.
100	Convergeone Government Solutions LLC Top agencies DHS (Department of Homeland Security)	$340,564	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 358 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 $718 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 PSC 7B21 contractors in FY2023?

1. Four LLC ($65.3M), 2. FCN, Inc. ($58.6M), 3. Sealing Technologies LLC ($49.2M), 4. Science Applications International Corporation ($48.4M), 5. Greenbrier Government Solutions Inc. ($28.4M), 6. Government Acquisitions LLC ($28.2M), 7. Carahsoft Technology Corp ($23.2M), 8. CDW Corporation ($22.3M), 9. Fedgovit, Inc. ($22.1M), 10. Blue TECH Inc. ($21.5M).

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