Top 100 Contractors in PSC D316: Telecommunications Network Management Services, FY2021

Name: Top 100 Contractors in PSC D316: Telecommunications Network Management Services, FY2021
Creator: GovTribe

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

The top 10 won 46% of FY2021 PSC D316 contract dollars

Contract obligations: $1,470,017,116 Net of deobligations, by contracts coded PSC D316
Contractors: 382 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $241 million, 13.7% 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	Leidos Holdings, Inc. 4 awardees, including Leidos, Inc. Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army)	$240,540,610	13.7%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; up 1 since FY2020.
2	L3Harris Technologies, Inc. Through Harris Corporation Top agencies DOT (Department of Transportation)	$129,014,419	7.3%	Rank history: #12 in FY2022, #7 in FY2023, #7 in FY2024 and #5 in FY2025; up 3 since FY2020.
3	General Dynamics Corporation 7 awardees, including General Dynamics Information Technology, Inc. and General Dynamics One Source LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHA (Defense Health Agency)	$122,888,487	7.0%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since FY2020.
4	Perspecta Inc. 2 awardees, including Peraton Enterprise Solutions LLC and Knight Point Systems, LLC Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) DFAS (Defense Finance and Accounting Service)	$69,787,259	4.0%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
5	Telos Corporation Top agencies USAF (Department of the Air Force)	$58,799,834	3.3%	Rank history: #6 in FY2022, #37 in FY2023, #33 in FY2024 and not on the FY2025 list; up 6 since FY2020.
6	CACI International Inc. 3 awardees, including Caci Inc - Federal and Caci Nss, LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$55,862,745	3.2%	Rank history: not on the FY2022–FY2025 lists; up 23 since FY2020.
7	Valdez International Corporation Top agencies USAF (Department of the Air Force)	$37,605,721	2.1%	Rank history: #9 in FY2022, #6 in FY2023, #9 in FY2024 and not on the FY2025 list; up 9 since FY2020.
8	Science Applications International Corporation 2 awardees Top agencies Army (Department of the Army) HHS (Department of Health and Human Services)	$31,537,979	1.8%	Rank history: #4 in FY2022, #53 in FY2023, #36 in FY2024 and #15 in FY2025; new, not ranked in FY2020.
9	Thirdpacket Technologies LLC Top agencies HHS (Department of Health and Human Services)	$28,581,222	1.6%	Rank history: #15 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
10	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corporation Top agencies Army (Department of the Army)	$26,412,507	1.5%	Rank history: #14 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
11	SMS Data Products Group Inc. Top agencies USAF (Department of the Air Force)	$25,238,369	1.4%	Rank history: #8 in FY2022, #4 in FY2023, #4 in FY2024 and not on the FY2025 list; up 10 since FY2020.
12	CDO Technologies Inc. Top agencies USAF (Department of the Air Force)	$25,220,675	1.4%	Rank history: #17 in FY2022, #20 in FY2023, #26 in FY2024 and not on the FY2025 list; up 38 since FY2020.
13	Technica Corporation Top agencies USAF (Department of the Air Force)	$24,980,719	1.4%	Rank history: #16 in FY2022, #12 in FY2023, #38 in FY2024 and not on the FY2025 list; up 10 since FY2020.
14	Amentum Services, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$24,097,843	1.4%	Rank history: #11 in FY2022, #23 in FY2023, #68 in FY2024 and not on the FY2025 list; up 51 since FY2020.
15	Abacus Technology Corporation Top agencies USAF (Department of the Air Force)	$24,060,914	1.4%	Rank history: #10 in FY2022, #10 in FY2023, #10 in FY2024 and #20 in FY2025; up 34 since FY2020.
16	American Systems Corporation Top agencies USAF (Department of the Air Force)	$22,942,798	1.3%	Rank history: #18 in FY2022, #13 in FY2023, #16 in FY2024 and not on the FY2025 list; up 8 since FY2020.
17	ICF International, Inc. 2 awardees, including Incentive Technology Group LLC Top agencies FCC (Federal Communications Commission)	$22,316,767	1.3%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; up 83 since FY2020.
18	Indigenous Technologies, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$22,113,779	1.3%	Rank history: #20 in FY2022, #19 in FY2023, #17 in FY2024 and not on the FY2025 list; up 13 since FY2020.
19	At&T Inc. 13 awardees, including At&T Enterprises, LLC, Att Mobility LLC and Bellsouth Telecommunications, LLC Top agencies USAF (Department of the Air Force) USAID (US Agency for International Development) SEC (Securities and Exchange Commission)	$18,967,945	1.1%	Rank history: #21 in FY2022, #27 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
20	Microtechnologies LLC Top agencies USAF (Department of the Air Force)	$17,077,263	1.0%	Rank history: #5 in FY2022, #5 in FY2023, #28 in FY2024 and not on the FY2025 list; down 6 since FY2020.
21	Booz Allen Hamilton Holding Corporation 2 awardees, including Booz Allen Hamilton Inc. Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$15,131,365	0.9%	Rank history: #27 in FY2022, #18 in FY2023, #15 in FY2024 and not on the FY2025 list; up 19 since FY2020.
22	A3 Technology Inc. Top agencies DOT (Department of Transportation)	$15,075,812	0.9%	Rank history: #22 in FY2022, #14 in FY2023, #13 in FY2024 and #6 in FY2025; up 12 since FY2020.
23	Verizon Business Network Services LLC Top agencies DISA (Defense Information Systems Agency) FCC (Federal Communications Commission)	$13,810,113	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
24	Unisys Corporation Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOT (Department of Transportation)	$13,629,885	0.8%	Rank history: not on the FY2022–FY2025 lists; down 7 since FY2020.
25	Talton Communications Inc. Top agencies DHS (Department of Homeland Security)	$13,439,655	0.8%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; up 39 since FY2020.
26	Lumen Technologies, Inc. 13 awardees, including Level 3 Communications, LLC, Lumen Technologies Government Solutions, Inc. and Level 3 Telecom Holdings, LLC Top agencies DISA (Defense Information Systems Agency) HHS (Department of Health and Human Services) FCC (Federal Communications Commission)	$12,785,964	0.7%	Rank history: #64 in FY2022, #9 in FY2023, #11 in FY2024 and #9 in FY2025; down 7 since FY2020.
27	Business Mission Edge, LLC Top agencies Army (Department of the Army)	$12,782,424	0.7%	Rank history: #3 in FY2022, #8 in FY2023, #3 in FY2024 and #3 in FY2025; down 18 since FY2020.
28	Belcan Corporation Through Belcan Government Solutions, Inc. Top agencies Army (Department of the Army) HUD (Department of Housing and Urban Development)	$12,779,102	0.7%	Rank history: #19 in FY2022, #16 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
29	Sumaria Systems, LLC Top agencies USAF (Department of the Air Force)	$12,568,976	0.7%	Rank history: #28 in FY2022, #31 in FY2023, #43 in FY2024 and not on the FY2025 list; up 6 since FY2020.
30	Teksynap Corporation Top agencies DLA (Defense Logistics Agency)	$12,376,919	0.7%	Rank history: #24 in FY2022, #61 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
31	Ukpeagvik Inupiat Corpor 2 awardees, including Bowhead Professional Solutions LLC and Bowhead Operations & Maintenance Solutions LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$11,419,835	0.6%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
32	Bowhead Professional Solutions LLC Top agencies Navy (Department of the Navy)	$10,131,437	0.6%	Rank history: not on the FY2022–FY2025 lists; up 332 since FY2020.
33	Advanced Alliant Solutions Team, Limited Partnership Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency)	$9,752,131	0.6%	Rank history: #45 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; up 21 since FY2020.
34	EPS Corporation Top agencies USAF (Department of the Air Force)	$9,722,259	0.6%	Rank history: #41 in FY2022, not on the FY2023 list, #47 in FY2024 and #33 in FY2025; up 19 since FY2020.
35	Iridium Satellite LLC 2 awardees Top agencies DISA (Defense Information Systems Agency)	$9,555,177	0.5%	Rank history: #25 in FY2022, #24 in FY2023, #22 in FY2024 and not on the FY2025 list; up 6 since FY2020.
36	EHS Technologies Corp Top agencies Navy (Department of the Navy)	$8,185,241	0.5%	Rank history: #23 in FY2022, #15 in FY2023, #20 in FY2024 and #12 in FY2025; up 10 since FY2020.
37	HP Enterprise Services LLC 5 awardees, including Knight Point Systems, LLC, Peraton Enterprise Solutions LLC and Peraton Government Communications Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) DISA (Defense Information Systems Agency)	$8,011,461	0.5%	Rank history: #7 in FY2022, #3 in FY2023, #14 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
38	Venesco & Saitech Joint Venture, LLC Top agencies NASA (National Aeronautics and Space Administration)	$7,880,766	0.4%	Rank history: #34 in FY2022, #32 in FY2023, #59 in FY2024 and not on the FY2025 list; up 6 since FY2020.
39	Intellibridge, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$7,687,049	0.4%	Rank history: #80 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
40	Information Delivery Systems Inc. Top agencies Navy (Department of the Navy)	$7,391,317	0.4%	Rank history: not on the FY2022 list, #40 in FY2023, #60 in FY2024 and not on the FY2025 list; up 26 since FY2020.
41	S4, LLC Top agencies USAF (Department of the Air Force)	$7,248,306	0.4%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; up 16 since FY2020.
42	Indigo IT, LLC Top agencies DHS (Department of Homeland Security) EPA (Environmental Protection Agency)	$7,121,846	0.4%	Rank history: #32 in FY2022, #35 in FY2023, #29 in FY2024 and not on the FY2025 list; down 4 since FY2020.
43	Tribalco LLC Top agencies Army (Department of the Army)	$6,982,213	0.4%	Rank history: #33 in FY2022 and not on the FY2023–FY2025 lists; up 17 since FY2020.
44	Digitalibiz, LLC Top agencies Peace Corps	$6,692,204	0.4%	Rank history: #38 in FY2022, #48 in FY2023 and not on the FY2024–FY2025 lists; up 24 since FY2020.
45	Creative It Solutions LLC Top agencies DISA (Defense Information Systems Agency)	$6,658,280	0.4%	Rank history: #40 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
46	24X7Systems, Inc. Top agencies DHS (Department of Homeland Security)	$6,640,585	0.4%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; up 181 since FY2020.
47	1901 Group, LLC Top agencies DOJ (Department of Justice)	$6,398,989	0.4%	Rank history: not on the FY2022–FY2025 lists; down 15 since FY2020.
48	Aleut Aerospace Engineering, LLC Top agencies USAF (Department of the Air Force)	$6,188,723	0.4%	Rank history: #35 in FY2022, #11 in FY2023, #21 in FY2024 and #7 in FY2025; up 21 since FY2020.
49	IEM International, Inc. Top agencies Army (Department of the Army)	$5,821,333	0.3%	Rank history: #39 in FY2022, #30 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2020.
50	SES Government Solutions Inc. Through SES Space & Defense, Inc. Top agencies Army (Department of the Army) NGA (Department of Defense National Geospatial Intelligence Agency)	$5,587,196	0.3%	Rank history: not on the FY2022–FY2025 lists; up 150 since FY2020.
51	RTX Corporation 2 awardees, including Arinc Incorporated Top agencies USAF (Department of the Air Force) DOT (Department of Transportation) Navy (Department of the Navy)	$5,215,624	0.3%	Rank history: not on the FY2022 list, #95 in FY2023, #62 in FY2024 and #26 in FY2025; up 89 since FY2020.
52	Etranservices Corp. Top agencies Army (Department of the Army)	$5,200,498	0.3%	Rank history: #56 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
53	AD HOC Research Associates LLC Top agencies Army (Department of the Army)	$5,177,570	0.3%	Rank history: #79 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
54	Coalfire Systems, Inc. Through Veris Group, LLC Top agencies Peace Corps	$5,093,482	0.3%	Rank history: #55 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; up 23 since FY2020.
55	Astrafire JV, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$4,842,739	0.3%	Rank history: not on the FY2022–FY2025 lists; up 15 since FY2020.
56	Knowcean Consulting Inc. Top agencies Smithsonian (Smithsonian Institution)	$4,806,853	0.3%	Rank history: #51 in FY2022 and not on the FY2023–FY2025 lists; up 34 since FY2020.
57	Feditc, LLC Top agencies Army (Department of the Army)	$4,704,048	0.3%	Rank history: #42 in FY2022, #34 in FY2023, #35 in FY2024 and #21 in FY2025; up 34 since FY2020.
58	Chugach Technical Solutions LLC Top agencies Army (Department of the Army)	$4,630,884	0.3%	Rank history: #44 in FY2022, #36 in FY2023 and not on the FY2024–FY2025 lists; up 28 since FY2020.
59	Intelligent Decisions LLC Through Applied Insight, LLC Top agencies DOJ (Department of Justice) USAF (Department of the Air Force)	$4,487,597	0.3%	Rank history: not on the FY2022 list, #97 in FY2023 and not on the FY2024–FY2025 lists; up 77 since FY2020.
60	Harris Corporation Top agencies DOT (Department of Transportation)	$4,105,161	0.2%	Rank history: not on the FY2022–FY2025 lists; down 54 since FY2020.
61	Kingfisher Systems, Inc. Top agencies Army (Department of the Army)	$4,076,211	0.2%	Rank history: #31 in FY2022, #22 in FY2023, #19 in FY2024 and not on the FY2025 list; up 2 since FY2020.
62	The Eyak Corp Through Solutions71, LLC Top agencies USAF (Department of the Air Force)	$3,950,374	0.2%	Rank history: #37 in FY2022, #29 in FY2023 and not on the FY2024–FY2025 lists; up 32 since FY2020.
63	Koniag, Inc. Through Eagle Harbor Solutions LLC Top agencies DOJ (Department of Justice)	$3,913,508	0.2%	Rank history: not on the FY2022–FY2025 lists; down 20 since FY2020.
64	Cynergy Professional Systems LLC Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$3,884,458	0.2%	Rank history: #50 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
65	Creative Information Technology Inc. Top agencies DISA (Defense Information Systems Agency)	$3,874,468	0.2%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; up 6 since FY2020.
66	Ironclad Technology Services LLC Top agencies DHS (Department of Homeland Security)	$3,859,889	0.2%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
67	Cyber Engineering and Technical Alliance, LLC Top agencies DHS (Department of Homeland Security)	$3,836,269	0.2%	Rank history: not on the FY2022–FY2025 lists; up 28 since FY2020.
68	The Chenega Corporation Through Chenega Decision Sciences LLC Top agencies Army (Department of the Army)	$3,682,836	0.2%	Rank history: not on the FY2022–FY2025 lists; up 30 since FY2020.
69	Chenega It Enterprise Services, LLC Top agencies Army (Department of the Army)	$3,548,689	0.2%	Rank history: #49 in FY2022, #41 in FY2023, #37 in FY2024 and not on the FY2025 list; up 28 since FY2020.
70	Business Enabled Acquisition and Technology, Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$3,506,556	0.2%	Rank history: #66 in FY2022 and not on the FY2023–FY2025 lists; up 43 since FY2020.
71	Strategic Communications LLC Top agencies USAF (Department of the Air Force)	$3,392,378	0.2%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; up 1 since FY2020.
72	Network Runners Inc. Top agencies DISA (Defense Information Systems Agency)	$3,170,979	0.2%	Rank history: #57 in FY2022, #44 in FY2023 and not on the FY2024–FY2025 lists; up 29 since FY2020.
73	Atheeb Intergraph Saudi Compa NY Through Atheeb Integrated Solutions Company for Technologies (Aisct) Top agencies USAF (Department of the Air Force)	$3,070,068	0.2%	Rank history: not on the FY2022–FY2025 lists; up 15 since FY2020.
74	I3 Federal LLC Top agencies VA (Department of Veterans Affairs)	$2,880,309	0.2%	Rank history: not on the FY2022–FY2025 lists; up 30 since FY2020.
75	Alliant Enterprise JV LLC Top agencies DISA (Defense Information Systems Agency)	$2,866,534	0.2%	Rank history: #47 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; up 47 since FY2020.
76	Pelatron Technologies LLC Top agencies USAF (Department of the Air Force)	$2,813,659	0.2%	Rank history: not on the FY2022–FY2025 lists; up 33 since FY2020.
77	Microsoft Corporation Top agencies USAF (Department of the Air Force)	$2,788,542	0.2%	Rank history: not on the FY2022–FY2025 lists; up 64 since FY2020.
78	Agile Defense, LLC Top agencies HUD (Department of Housing and Urban Development) USAF (Department of the Air Force)	$2,717,156	0.2%	Rank history: not on the FY2022–FY2025 lists; down 39 since FY2020.
79	Alliant SB Cta, LLC Top agencies DHS (Department of Homeland Security)	$2,714,909	0.2%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; up 36 since FY2020.
80	MSM Technology LLC Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency)	$2,645,380	0.2%	Rank history: #58 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; up 86 since FY2020.
81	Executech Strategic Consulting, LLC Top agencies DARPA (Defense Advanced Research Projects Agency)	$2,627,365	0.1%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; up 57 since FY2020.
82	Planned Systems International Inc. Top agencies DHA (Defense Health Agency)	$2,542,694	0.1%	Rank history: #67 in FY2022, #51 in FY2023 and not on the FY2024–FY2025 lists; up 17 since FY2020.
83	Computer World Services, Corp. Top agencies USAF (Department of the Air Force)	$2,394,826	0.1%	Rank history: #60 in FY2022, #46 in FY2023, #30 in FY2024 and not on the FY2025 list; up 41 since FY2020.
84	Iron Vine Security LLC Top agencies MCC (Millennium Challenge Corporation)	$2,318,597	0.1%	Rank history: #63 in FY2022 and not on the FY2023–FY2025 lists; up 58 since FY2020.
85	OSI Vision LLC Top agencies Navy (Department of the Navy)	$2,286,407	0.1%	Rank history: not on the FY2022–FY2025 lists; up 41 since FY2020.
86	Concept Plus, LLC Top agencies DHA (Defense Health Agency)	$2,256,076	0.1%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; up 16 since FY2020.
87	Dawson Enterprises, Inc. Top agencies Navy (Department of the Navy)	$2,234,780	0.1%	Rank history: #62 in FY2022, #49 in FY2023, #34 in FY2024 and #23 in FY2025; up 41 since FY2020.
88	Comptech Computer Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$2,226,731	0.1%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; up 75 since FY2020.
89	Rivet Operations Company LLC Top agencies Navy (Department of the Navy)	$2,114,366	0.1%	Rank history: #53 in FY2022, #39 in FY2023, #27 in FY2024 and not on the FY2025 list; up 41 since FY2020.
90	Govcio, LLC Top agencies VA (Department of Veterans Affairs)	$2,110,990	0.1%	Rank history: not on the FY2022–FY2025 lists; up 42 since FY2020.
91	World Services LLC Top agencies SBA (Small Business Administration)	$2,102,973	0.1%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
92	Kaihonua LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$2,018,450	0.1%	Rank history: #68 in FY2022, #52 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2020.
93	On Assignment, Inc. 2 awardees, including Indrasoft Inc. Top agencies USAF (Department of the Air Force)	$2,016,652	0.1%	Rank history: not on the FY2022 list, #45 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
94	Ishpi Information Technologies Inc. Top agencies Army (Department of the Army)	$1,979,927	0.1%	Rank history: not on the FY2022–FY2025 lists; up 40 since FY2020.
95	Acorn Growth Companies LLC Through Telecommunication Support Services, Inc. Top agencies USAF (Department of the Air Force)	$1,929,403	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Tetra Tech, Inc. Through Bluewater Federal Solutions, Inc. Top agencies EPA (Environmental Protection Agency)	$1,751,027	0.1%	Rank history: #70 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
97	Valkyrie Enterprises, LLC Top agencies USAF (Department of the Air Force)	$1,748,942	0.1%	Rank history: not on the FY2022–FY2025 lists; down 38 since FY2020.
98	Tyto Athene, LLC Top agencies USAF (Department of the Air Force)	$1,621,508	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Smartronix LLC Top agencies USAF (Department of the Air Force)	$1,540,695	0.1%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; up 7 since FY2020.
100	Arctic Slope Regional Corporation 2 awardees, including Asrc Federal Data Solutions, LLC Top agencies Navy (Department of the Navy)	$1,504,833	0.1%	Rank history: #71 in FY2022, #54 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.

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100 of 382 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 $1.76 billion 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 D316 contractors in FY2021?

1. Leidos Holdings, Inc. ($241M), 2. L3Harris Technologies, Inc. ($129M), 3. General Dynamics Corporation ($123M), 4. Perspecta Inc. ($69.8M), 5. Telos Corporation ($58.8M), 6. CACI International Inc. ($55.9M), 7. Valdez International Corporation ($37.6M), 8. Science Applications International Corporation ($31.5M), 9. Thirdpacket Technologies LLC ($28.6M), 10. Northrop Grumman Corporation ($26.4M).

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