Top 100 Contractors in PSC AC62: R&D – Defense System: Electronics/Communication Equipment (Applied Research/Exploratory Development), FY2021

Name: Top 100 Contractors in PSC AC62: R&D – Defense System: Electronics/Communication Equipment (Applied Research/Exploratory Development), FY2021
Creator: GovTribe

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

The top 10 won 53% of FY2021 PSC AC62 contract dollars

Contract obligations: $479,901,173 Net of deobligations, by contracts coded PSC AC62
Contractors: 158 Parent companies with an obligation
Largest contractor: RTX Corporation $75.4 million, 14.9% 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	RTX Corporation 9 awardees, including Raytheon Company, Rockwell Collins, Inc. and RTX BBN Technologies, Inc. Top agencies USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency)	$75,415,440	14.9%	Rank history: #5 in FY2022, #8 in FY2023 and not on the FY2024 list; up 1 since FY2020.
2	Leidos Holdings, Inc. 2 awardees, including Leidos, Inc. Top agencies USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency) WHS (DOD Washington Headquarters Service)	$31,414,793	6.2%	Rank history: #54 in FY2022, #45 in FY2023 and #32 in FY2024; up 7 since FY2020.
3	L3Harris Technologies, Inc. 8 awardees, including L3Harris Interstate Electronics Corporation, L3 Technologies, Inc. and Jariet Technologies, Inc. Top agencies USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency)	$30,371,778	6.0%	Rank history: #3 in FY2022, #10 in FY2023 and #5 in FY2024; up 3 since FY2020.
4	Lockheed Martin Corporation 8 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$26,452,925	5.2%	Rank history: #1 in FY2022, #1 in FY2023 and #2 in FY2024; up 10 since FY2020.
5	Northrop Grumman Corporation 6 awardees, including Northrop Grumman Systems Corporation and Northrop Grumman Guidance and Electronics Company, Inc. Top agencies USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency)	$22,882,069	4.5%	Rank history: #2 in FY2022, #2 in FY2023 and #1 in FY2024; down 4 since FY2020.
6	Chesapeake Technology International, Corp. Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force) WHS (DOD Washington Headquarters Service)	$19,544,127	3.9%	Rank history: #4 in FY2022, #6 in FY2023 and #3 in FY2024; up 1 since FY2020.
7	Frontier Technology Inc. Top agencies Navy (Department of the Navy)	$17,382,358	3.4%	Rank history: not on the FY2022–FY2024 lists; up 12 since FY2020.
8	Aviation Systems Engineering Company Inc. Top agencies Navy (Department of the Navy)	$15,453,108	3.0%	Rank history: #18 in FY2022 and not on the FY2023–FY2024 lists; unchanged since FY2020.
9	New Mexico Institute of Mining and Technology Top agencies USAF (Department of the Air Force)	$15,000,000	3.0%	Rank history: not on the FY2022 list, #5 in FY2023 and #4 in FY2024; up 13 since FY2020.
10	ICF International, Inc. Through ICF Incorporated, L.L.C. Top agencies Army (Department of the Army)	$14,098,440	2.8%	Rank history: not on the FY2022–FY2024 lists; unchanged since FY2020.
11	Qinetiq Group PLC Through Qinetiq Inc. Top agencies Army (Department of the Army)	$8,809,492	1.7%	Rank history: not on the FY2022–FY2024 lists; down 7 since FY2020.
12	Systems & Technology Research LLC Top agencies DARPA (Defense Advanced Research Projects Agency) Navy (Department of the Navy)	$8,733,766	1.7%	Rank history: #6 in FY2022, #19 in FY2023 and #17 in FY2024; down 1 since FY2020.
13	Matrix Research Inc. Top agencies USAF (Department of the Air Force) DARPA (Defense Advanced Research Projects Agency)	$8,654,922	1.7%	Rank history: #13 in FY2022, #13 in FY2023 and #7 in FY2024; up 8 since FY2020.
14	Defense Engineering Corp Top agencies USAF (Department of the Air Force)	$8,184,178	1.6%	Rank history: #25 in FY2022, #31 in FY2023 and #16 in FY2024; up 2 since FY2020.
15	Ball Corp 2 awardees, including BAE Systems Space & Mission Systems Inc. and Ball Aerospace & Technologies Corp. Top agencies USAF (Department of the Air Force)	$8,064,280	1.6%	Rank history: #11 in FY2022, #12 in FY2023 and #25 in FY2024; up 10 since FY2020.
16	Kbr, Inc. 2 awardees, including KBR Wyle Services, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$7,299,976	1.4%	Rank history: #14 in FY2022, #16 in FY2023 and not on the FY2024 list; new, not ranked in FY2020.
17	Riverside Research Institute 2 awardees Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$7,260,235	1.4%	Rank history: #20 in FY2022, #14 in FY2023 and #14 in FY2024; down 4 since FY2020.
18	Purdue University Top agencies Army (Department of the Army)	$7,035,652	1.4%	Rank history: #36 in FY2022 and not on the FY2023–FY2024 lists; up 5 since FY2020.
19	Fibertek, Inc. Top agencies Army (Department of the Army) WHS (DOD Washington Headquarters Service)	$6,592,365	1.3%	Rank history: #19 in FY2022 and not on the FY2023–FY2024 lists; up 5 since FY2020.
20	Hedron Space Inc. Top agencies USAF (Department of the Air Force)	$6,400,000	1.3%	Rank history: not on the FY2022–FY2024 lists; new, not ranked in FY2020.
21	BAE Systems PLC 4 awardees, including BAE Systems Information and Electronic Systems Integration Inc. Top agencies DARPA (Defense Advanced Research Projects Agency) USAF (Department of the Air Force)	$5,579,663	1.1%	Rank history: #43 in FY2022, #9 in FY2023 and not on the FY2024 list; down 1 since FY2020.
22	Battelle Memorial Institute Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$5,495,029	1.1%	Rank history: #17 in FY2022, #15 in FY2023 and not on the FY2024 list; down 4 since FY2020.
23	Bluehalo, LLC 3 awardees Top agencies USAF (Department of the Air Force) WHS (DOD Washington Headquarters Service)	$4,735,982	0.9%	Rank history: #12 in FY2022, #23 in FY2023 and #8 in FY2024; up 17 since FY2020.
24	Bcubed Engineering Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$4,637,226	0.9%	Rank history: #21 in FY2022, #30 in FY2023 and not on the FY2024 list; up 174 since FY2020.
25	Insitech Inc. Top agencies Army (Department of the Army)	$4,552,822	0.9%	Rank history: not on the FY2022–FY2024 lists; up 3 since FY2020.
26	CACI International Inc. 4 awardees, including Mastodon Design LLC, LGS Innovations LLC and Caci, Inc. - Federal Top agencies USAF (Department of the Air Force)	$4,489,405	0.9%	Rank history: not on the FY2022 list, #28 in FY2023 and #23 in FY2024; new, not ranked in FY2020.
27	Sri International Top agencies DARPA (Defense Advanced Research Projects Agency) USAF (Department of the Air Force)	$4,481,947	0.9%	Rank history: #16 in FY2022 and not on the FY2023–FY2024 lists; down 10 since FY2020.
28	Thomson Reuters Special Services LLC Top agencies DARPA (Defense Advanced Research Projects Agency)	$4,462,673	0.9%	Rank history: #7 in FY2022 and not on the FY2023–FY2024 lists; up 3 since FY2020.
29	University of Southern California Top agencies DARPA (Defense Advanced Research Projects Agency)	$3,683,362	0.7%	Rank history: #10 in FY2022, #41 in FY2023 and not on the FY2024 list; up 10 since FY2020.
30	Jacobs Engineering Group Inc. Through The Keyw Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$3,673,566	0.7%	Rank history: #15 in FY2022, #18 in FY2023 and not on the FY2024 list; up 51 since FY2020.
31	Two Six Labs Holdings, Inc. Through Two Six Labs, LLC Top agencies DARPA (Defense Advanced Research Projects Agency)	$3,078,206	0.6%	Rank history: #32 in FY2022, #26 in FY2023 and #28 in FY2024; up 24 since FY2020.
32	Applied Research Associates, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$3,073,994	0.6%	Rank history: #22 in FY2022, #11 in FY2023 and #13 in FY2024; up 5 since FY2020.
33	Accelint AI, LLC Top agencies Navy (Department of the Navy)	$2,962,572	0.6%	Rank history: #28 in FY2022, #51 in FY2023 and not on the FY2024 list; up 19 since FY2020.
34	University of Dayton Top agencies USAF (Department of the Air Force)	$2,952,336	0.6%	Rank history: #33 in FY2022, #59 in FY2023 and not on the FY2024 list; down 1 since FY2020.
35	The Boeing Company 2 awardees, including HRL Laboratories, LLC Top agencies DARPA (Defense Advanced Research Projects Agency) USAF (Department of the Air Force)	$2,680,024	0.5%	Rank history: not on the FY2022–FY2024 lists; up 6 since FY2020.
36	BGI LLC Top agencies Navy (Department of the Navy)	$2,638,432	0.5%	Rank history: #81 in FY2022, #54 in FY2023 and not on the FY2024 list; up 48 since FY2020.
37	BAE Systems Land & Armaments L.P. 3 awardees, including BAE Systems Information & Electronic Systems Integration Inc. Top agencies DARPA (Defense Advanced Research Projects Agency)	$2,603,000	0.5%	Rank history: not on the FY2022–FY2024 lists; new, not ranked in FY2020.
38	Navmar Applied Sciences Corp Top agencies Navy (Department of the Navy)	$2,576,132	0.5%	Rank history: #23 in FY2022, #17 in FY2023 and #6 in FY2024; up 8 since FY2020.
39	SCHWARZKOPF-PRIVATSTIFTUNG Through Global Tungsten & Powders LLC Top agencies Army (Department of the Army)	$2,216,562	0.4%	Rank history: not on the FY2022 list, #46 in FY2023 and not on the FY2024 list; up 8 since FY2020.
40	The Charles Stark Draper Laboratory, Inc. Top agencies USAF (Department of the Air Force)	$2,087,056	0.4%	Rank history: not on the FY2022–FY2024 lists; up 111 since FY2020.
41	Edaptive Computing Inc. Top agencies USAF (Department of the Air Force)	$1,789,000	0.4%	Rank history: not on the FY2022–FY2024 lists; up 113 since FY2020.
42	Mayachitra, Inc. Top agencies Navy (Department of the Navy)	$1,677,004	0.3%	Rank history: #70 in FY2022 and not on the FY2023–FY2024 lists; up 199 since FY2020.
43	Jasr Systems, LLC Top agencies USAF (Department of the Air Force)	$1,619,911	0.3%	Rank history: not on the FY2022–FY2024 lists; up 71 since FY2020.
44	Radial Research & Development Ltd Top agencies USAF (Department of the Air Force)	$1,490,000	0.3%	Rank history: #41 in FY2022, #58 in FY2023 and not on the FY2024 list; up 119 since FY2020.
45	Perspecta Inc. Through Peraton Labs Inc. Top agencies DARPA (Defense Advanced Research Projects Agency)	$1,407,466	0.3%	Rank history: not on the FY2022–FY2024 lists; up 22 since FY2020.
46	Government of Canada Through Canadian Commercial Corporation Top agencies DARPA (Defense Advanced Research Projects Agency)	$1,400,107	0.3%	Rank history: not on the FY2022–FY2024 lists; up 15 since FY2020.
47	Technology Service Corp Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,385,857	0.3%	Rank history: not on the FY2022–FY2024 lists; down 12 since FY2020.
48	Phelps2020, Inc. Top agencies USAF (Department of the Air Force)	$1,341,331	0.3%	Rank history: not on the FY2022–FY2024 lists; up 88 since FY2020.
49	Varioscale, Inc. Top agencies USAF (Department of the Air Force)	$1,287,741	0.3%	Rank history: not on the FY2022–FY2024 lists; down 7 since FY2020.
50	Nimbis Services Inc. Top agencies WHS (DOD Washington Headquarters Service) USAF (Department of the Air Force)	$1,255,000	0.2%	Rank history: #39 in FY2022, #7 in FY2023 and not on the FY2024 list; down 45 since FY2020.
51	EPS Corporation Top agencies Navy (Department of the Navy)	$1,159,610	0.2%	Rank history: not on the FY2022–FY2024 lists; up 11 since FY2020.
52	Spectral Sciences, Inc. Top agencies USAF (Department of the Air Force)	$1,133,095	0.2%	Rank history: #46 in FY2022, #43 in FY2023 and not on the FY2024 list; up 30 since FY2020.
53	General Dynamics Corporation Through Applied Physical Sciences Corp Top agencies Navy (Department of the Navy)	$1,115,453	0.2%	Rank history: #66 in FY2022 and not on the FY2023–FY2024 lists; up 11 since FY2020.
54	Aptima Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,092,849	0.2%	Rank history: #63 in FY2022 and not on the FY2023–FY2024 lists; up 12 since FY2020.
55	Vision Systems Inc. Top agencies USAF (Department of the Air Force)	$1,090,000	0.2%	Rank history: #50 in FY2022, #29 in FY2023 and #9 in FY2024; up 77 since FY2020.
56	Human Systems Integration Inc. Top agencies Army (Department of the Army)	$994,400	0.2%	Rank history: not on the FY2022–FY2024 lists; up 50 since FY2020.
57	Materials & Technologies Corp Top agencies Navy (Department of the Navy)	$979,488	0.2%	Rank history: not on the FY2022 list, #36 in FY2023 and not on the FY2024 list; up 105 since FY2020.
58	Triton Systems, Inc. Top agencies Navy (Department of the Navy)	$949,664	0.2%	Rank history: not on the FY2022 list, #40 in FY2023 and not on the FY2024 list; up 65 since FY2020.
59	N-Ask, Incorporated Top agencies USAF (Department of the Air Force)	$939,159	0.2%	Rank history: #34 in FY2022, #27 in FY2023 and #11 in FY2024; down 14 since FY2020.
60	Systems Technology, Inc. Top agencies Navy (Department of the Navy)	$917,247	0.2%	Rank history: #64 in FY2022 and not on the FY2023–FY2024 lists; up 66 since FY2020.
61	The Johns Hopkins University Through The Johns Hopkins University Applied Physics Laboratory LLC Top agencies USSOCOM (United States Special Operations Command) USAF (Department of the Air Force)	$900,139	0.2%	Rank history: not on the FY2022–FY2024 lists; up 50 since FY2020.
62	Black River Systems Company, Inc. Top agencies USAF (Department of the Air Force)	$900,000	0.2%	Rank history: #35 in FY2022, #56 in FY2023 and not on the FY2024 list; up 3 since FY2020.
63	Teledyne Technologies Incorporated Through Teledyne Scientific & Imaging, LLC Top agencies DARPA (Defense Advanced Research Projects Agency) USAF (Department of the Air Force)	$867,507	0.2%	Rank history: not on the FY2022–FY2024 lists; up 139 since FY2020.
64	Bluehalo Labs, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$820,093	0.2%	Rank history: not on the FY2022 list, #22 in FY2023 and not on the FY2024 list; up 10 since FY2020.
65	Insurance Services Office Inc. Through Atmospheric & Environmental Research Inc. Top agencies USAF (Department of the Air Force)	$807,000	0.2%	Rank history: not on the FY2022 list, #52 in FY2023 and not on the FY2024 list; up 224 since FY2020.
66	Analysis Design & Diagnostics Inc. Top agencies Navy (Department of the Navy)	$798,411	0.2%	Rank history: not on the FY2022–FY2024 lists; up 6 since FY2020.
67	Maxentric Technologies LLC Top agencies Navy (Department of the Navy)	$782,818	0.2%	Rank history: #58 in FY2022, #44 in FY2023 and not on the FY2024 list; up 54 since FY2020.
68	Science Applications International Corporation Top agencies USAF (Department of the Air Force)	$760,046	0.1%	Rank history: not on the FY2022 list, #38 in FY2023 and #33 in FY2024; up 45 since FY2020.
69	Oceanit Laboratories Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$750,053	0.1%	Rank history: #49 in FY2022 and not on the FY2023–FY2024 lists; down 11 since FY2020.
70	Tau Technologies LLC Top agencies Navy (Department of the Navy)	$749,993	0.1%	Rank history: not on the FY2022–FY2024 lists; up 60 since FY2020.
71	Sensormetrix Inc. Top agencies Navy (Department of the Navy)	$749,988	0.1%	Rank history: not on the FY2022–FY2024 lists; new, not ranked in FY2020.
72	International Mezzo Technologies, Inc. Top agencies Navy (Department of the Navy)	$749,951	0.1%	Rank history: not on the FY2022–FY2024 lists; up 72 since FY2020.
73	Language Computer Corporation Top agencies DARPA (Defense Advanced Research Projects Agency) Navy (Department of the Navy)	$720,195	0.1%	Rank history: #56 in FY2022, #34 in FY2023 and not on the FY2024 list; up 85 since FY2020.
74	Network Sensing Technologies, LLC Top agencies USAF (Department of the Air Force)	$700,000	0.1%	Rank history: not on the FY2022–FY2024 lists; up 177 since FY2020.
75	I3 Electronics, Inc. Through I3 Microsystems, Inc. Top agencies USAF (Department of the Air Force)	$700,000	0.1%	Rank history: not on the FY2022–FY2024 lists; up 19 since FY2020.
76	Scientific Applications & Research Associates, Inc. Top agencies Navy (Department of the Navy)	$699,327	0.1%	Rank history: not on the FY2022–FY2023 lists and #35 in FY2024; up 46 since FY2020.
77	Piasecki Aircraft Corp Top agencies Navy (Department of the Navy)	$642,143	0.1%	Rank history: not on the FY2022–FY2024 lists; up 106 since FY2020.
78	Nanosonic Inc. Top agencies Army (Department of the Army)	$600,000	0.1%	Rank history: not on the FY2022–FY2024 lists; up 112 since FY2020.
79	Applied Optimization, Inc. Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service)	$600,000	0.1%	Rank history: not on the FY2022 list, #53 in FY2023 and not on the FY2024 list; up 23 since FY2020.
80	Intellisense Systems Inc. Top agencies Army (Department of the Army)	$599,997	0.1%	Rank history: not on the FY2022–FY2024 lists; down 2 since FY2020.
81	Wright State University Top agencies USAF (Department of the Air Force)	$583,000	0.1%	Rank history: not on the FY2022–FY2024 lists; up 26 since FY2020.
82	Vadum Inc. Top agencies Army (Department of the Army)	$549,983	0.1%	Rank history: not on the FY2022–FY2024 lists; up 42 since FY2020.
83	Gird Systems Inc. Top agencies Army (Department of the Army)	$547,860	0.1%	Rank history: not on the FY2022–FY2024 lists; up 5 since FY2020.
84	Aaski Technology Inc. Through Mag DS Corp Top agencies Army (Department of the Army)	$546,196	0.1%	Rank history: not on the FY2022–FY2024 lists; up 1 since FY2020.
85	Nokomis, Inc. Top agencies Army (Department of the Army)	$543,892	0.1%	Rank history: not on the FY2022–FY2024 lists; down 16 since FY2020.
86	Xerox Holdings Corp Through Palo Alto Research Center LLC Top agencies DARPA (Defense Advanced Research Projects Agency)	$539,735	0.1%	Rank history: not on the FY2022–FY2024 lists; up 14 since FY2020.
87	Bluerisc Inc. Top agencies Army (Department of the Army)	$500,231	0.1%	Rank history: not on the FY2022–FY2024 lists; new, not ranked in FY2020.
88	Knowledge Based Systems Inc. Top agencies Navy (Department of the Navy)	$500,000	0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2024 lists; down 12 since FY2020.
89	Architecture Technology Inc. Top agencies Navy (Department of the Navy)	$499,995	0.1%	Rank history: not on the FY2022–FY2024 lists; up 100 since FY2020.
90	Resilient Cognitive Solutions LLC Top agencies Army (Department of the Army)	$498,573	0.1%	Rank history: not on the FY2022–FY2024 lists; up 98 since FY2020.
91	Signal Systems Corporation Top agencies Navy (Department of the Navy)	$498,192	0.1%	Rank history: #55 in FY2022 and not on the FY2023–FY2024 lists; up 181 since FY2020.
92	Rdrtec, Inc. Top agencies Navy (Department of the Navy)	$496,088	0.1%	Rank history: #26 in FY2022 and not on the FY2023–FY2024 lists; down 44 since FY2020.
93	Physical Sciences Inc. 2 awardees, including Q-Peak, Incorporated Top agencies Navy (Department of the Navy)	$495,852	0.1%	Rank history: #93 in FY2022 and not on the FY2023–FY2024 lists; up 35 since FY2020.
94	2 Circle, Incorporated Top agencies Navy (Department of the Navy)	$492,840	0.1%	Rank history: not on the FY2022–FY2024 lists; up 58 since FY2020.
95	KBR Wyle Services, LLC Top agencies Navy (Department of the Navy)	$490,000	0.1%	Rank history: not on the FY2022–FY2024 lists; down 65 since FY2020.
96	Theofanous & Co Inc. Top agencies Navy (Department of the Navy)	$486,968	0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2024 lists; up 117 since FY2020.
97	Technical Data Analysis, Inc. Top agencies Navy (Department of the Navy)	$465,778	0.1%	Rank history: #85 in FY2022 and not on the FY2023–FY2024 lists; down 5 since FY2020.
98	Episys Science Inc. Top agencies Army (Department of the Army)	$446,555	0.1%	Rank history: not on the FY2022–FY2024 lists; new, not ranked in FY2020.
99	Engineering Software Research and Development, Inc. Top agencies Navy (Department of the Navy)	$446,549	0.1%	Rank history: not on the FY2022–FY2024 lists; up 110 since FY2020.
100	Georgia TECH Research Corp 2 awardees Top agencies USAF (Department of the Air Force)	$423,318	0.1%	Rank history: not on the FY2022 list, #35 in FY2023 and #29 in FY2024; up 110 since FY2020.

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100 of 158 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 $507 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 AC62 contractors in FY2021?

1. RTX Corporation ($75.4M), 2. Leidos Holdings, Inc. ($31.4M), 3. L3Harris Technologies, Inc. ($30.4M), 4. Lockheed Martin Corporation ($26.5M), 5. Northrop Grumman Corporation ($22.9M), 6. Chesapeake Technology International, Corp. ($19.5M), 7. Frontier Technology Inc. ($17.4M), 8. Aviation Systems Engineering Company Inc. ($15.5M), 9. New Mexico Institute of Mining and Technology ($15M), 10. ICF International, Inc. ($14.1M).

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