Top 100 Contractors in NAICS 33431: Audio and Video Equipment Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 33431: Audio and Video Equipment Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 49% of FY2021 NAICS 33431 contract dollars

Contract obligations: $204,875,118 Net of deobligations, by contracts coded NAICS 33431 or a code under it
Contractors: 646 Parent companies with an obligation
Largest contractor: Aechelon Technology Inc. $23.4 million, 11.1% 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	Aechelon Technology Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$23,356,470	11.1%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; up 255 since FY2020.
2	RTX Corporation 3 awardees, including Rockwell Collins Simulation & Training Solutions LLC, Hamilton Sundstrand Corporation and Simmonds Precision Products Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$19,647,498	9.3%	Rank history: not on the FY2022–FY2025 lists; up 362 since FY2020.
3	Axon Enterprise, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) DOI (Department of the Interior)	$15,945,770	7.6%	Rank history: #4 in FY2022, #1 in FY2023, #1 in FY2024 and #2 in FY2025; down 1 since FY2020.
4	AV3 Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USITC (International Trade Commission)	$14,528,300	6.9%	Rank history: #44 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; up 29 since FY2020.
5	L3Harris Technologies, Inc. 3 awardees, including L3 Technologies, Inc. and Harris Corporation Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$10,205,570	4.8%	Rank history: #1 in FY2022, #2 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2020.
6	David Clark Company Incorporated Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$4,980,661	2.4%	Rank history: #3 in FY2022, #3 in FY2023, #3 in FY2024 and #4 in FY2025; up 4 since FY2020.
7	Modtech Solutions LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$4,523,519	2.1%	Rank history: not on the FY2022–FY2025 lists; up 282 since FY2020.
8	Roanwell, LLC Top agencies DLA (Defense Logistics Agency)	$3,421,282	1.6%	Rank history: #7 in FY2022, #13 in FY2023, #9 in FY2024 and #9 in FY2025; up 15 since FY2020.
9	L1 Enterprises Incorporated Top agencies VA (Department of Veterans Affairs)	$3,227,603	1.5%	Rank history: #9 in FY2022, #98 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
10	Bose Corp Top agencies Army (Department of the Army)	$3,076,041	1.5%	Rank history: not on the FY2022–FY2025 lists; up 180 since FY2020.
11	The Boeing Company 3 awardees, including Boeing Distribution, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,998,842	1.4%	Rank history: #10 in FY2022, #9 in FY2023, not on the FY2024 list and #6 in FY2025; up 6 since FY2020.
12	Myplane, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$2,964,950	1.4%	Rank history: #15 in FY2022, #14 in FY2023, not on the FY2024 list and #81 in FY2025; up 3 since FY2020.
13	Chenega It Enterprise Services, LLC Top agencies Army (Department of the Army)	$2,829,573	1.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
14	Immersive Concepts L.L.C. Top agencies OSD (Office of the Secretary of Defense) Commerce (Department of Commerce)	$2,697,141	1.3%	Rank history: #84 in FY2022 and not on the FY2023–FY2025 lists; up 16 since FY2020.
15	JDL Digital Systems, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$2,683,590	1.3%	Rank history: #11 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
16	Superior Access Solutions Inc. Top agencies Navy (Department of the Navy) DOS (Department of State) Army (Department of the Army)	$2,038,450	1.0%	Rank history: #38 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
17	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USSOCOM (United States Special Operations Command)	$2,035,094	1.0%	Rank history: #39 in FY2022, #19 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
18	Alliant Enterprises, LLC Top agencies VA (Department of Veterans Affairs)	$1,901,888	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
19	Thales Through Thales Defense & Security Inc. Top agencies DLA (Defense Logistics Agency)	$1,719,578	0.8%	Rank history: #14 in FY2022 and not on the FY2023–FY2025 lists; up 6 since FY2020.
20	M-Medientechnik GMBH Top agencies DSCA (Defense Security Cooperation Agency)	$1,415,127	0.7%	Rank history: not on the FY2022 list, #86 in FY2023 and not on the FY2024–FY2025 lists; up 105 since FY2020.
21	Fgs, LLC Top agencies Navy (Department of the Navy)	$1,354,095	0.6%	Rank history: not on the FY2022–FY2025 lists; up 40 since FY2020.
22	Digis Corporation Top agencies DOJ (Department of Justice)	$1,216,996	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
23	Stellar Innovations & Solutions Inc. Top agencies USAF (Department of the Air Force)	$1,077,462	0.5%	Rank history: #87 in FY2022, #27 in FY2023, #11 in FY2024 and not on the FY2025 list; up 362 since FY2020.
24	3T-Innovations, LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$1,039,830	0.5%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
25	Chenega Systems, LLC Top agencies USAF (Department of the Air Force)	$1,039,288	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
26	Isoft Solutions, LLC Top agencies USSOCOM (United States Special Operations Command) DOJ (Department of Justice) Navy (Department of the Navy)	$1,011,358	0.5%	Rank history: #20 in FY2022, not on the FY2023 list, #49 in FY2024 and #18 in FY2025; up 182 since FY2020.
27	Video Display Corporation Through Ayon Cybersecurity, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$982,315	0.5%	Rank history: #24 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
28	Video Dynamics, Inc. Top agencies OSD (Office of the Secretary of Defense) DOJ (Department of Justice) Commerce (Department of Commerce)	$970,092	0.5%	Rank history: not on the FY2022–FY2024 lists and #76 in FY2025; up 165 since FY2020.
29	Trillamed LLC Top agencies VA (Department of Veterans Affairs)	$952,315	0.5%	Rank history: not on the FY2022 list, #77 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
30	Gate Industries Top agencies DLA (Defense Logistics Agency)	$913,229	0.4%	Rank history: #12 in FY2022, #33 in FY2023, #28 in FY2024 and #48 in FY2025; up 29 since FY2020.
31	Inalab Consulting, Inc. Top agencies DOT (Department of Transportation)	$902,446	0.4%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
32	Ibox Global, LLC Top agencies USAF (Department of the Air Force)	$839,881	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Communitronics Corp. Top agencies DISA (Defense Information Systems Agency)	$821,514	0.4%	Rank history: not on the FY2022–FY2025 lists; up 330 since FY2020.
34	Truemath, Inc. Top agencies DHS (Department of Homeland Security)	$821,357	0.4%	Rank history: #6 in FY2022, #4 in FY2023, #13 in FY2024 and not on the FY2025 list; down 31 since FY2020.
35	Leonardo S.p.A. 3 awardees, including DRS Technologies Canada Ltd., Laurel Technologies Partnership and Leonardo US Cyber and Security Solutions, LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$806,143	0.4%	Rank history: #29 in FY2022, #93 in FY2023, #32 in FY2024 and #19 in FY2025; up 20 since FY2020.
36	Pro Sound Inc. Through Solotech Sales & Integration USA Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$774,791	0.4%	Rank history: not on the FY2022–FY2025 lists; up 36 since FY2020.
37	Gardner Technologies Inc. Top agencies Navy (Department of the Navy)	$756,795	0.4%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
38	Mesmo (Multi-Ethnic Shopping Mall Online), Inc. Top agencies DFAS (Defense Finance and Accounting Service)	$747,392	0.4%	Rank history: #33 in FY2022 and not on the FY2023–FY2025 lists; up 7 since FY2020.
39	Precision Remotes LLC Top agencies Army (Department of the Army)	$733,864	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	Bad Wolf Technologies LLC Top agencies USAF (Department of the Air Force)	$727,984	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
41	Ford Audio-Video Systems LLC Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) DOT (Department of Transportation)	$692,819	0.3%	Rank history: #46 in FY2022, not on the FY2023 list, #64 in FY2024 and not on the FY2025 list; up 86 since FY2020.
42	Playaway Products LLC Top agencies DOJ (Department of Justice)	$682,706	0.3%	Rank history: not on the FY2022–FY2025 lists; down 21 since FY2020.
43	Point Breeze Communications, Inc. Top agencies VA (Department of Veterans Affairs)	$678,379	0.3%	Rank history: not on the FY2022 list, #96 in FY2023 and not on the FY2024–FY2025 lists; up 145 since FY2020.
44	American Digital Security LLC Top agencies DOJ (Department of Justice)	$649,885	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
45	Digital Plaza LLC Top agencies DOS (Department of State) Navy (Department of the Navy) USAF (Department of the Air Force)	$623,218	0.3%	Rank history: not on the FY2022–FY2025 lists; up 24 since FY2020.
46	UME Voice Inc. Top agencies DLA (Defense Logistics Agency)	$608,782	0.3%	Rank history: #41 in FY2022 and not on the FY2023–FY2025 lists; down 2 since FY2020.
47	Gans & Pugh Associates, Inc. Top agencies Army (Department of the Army) Treasury (Department of the Treasury) Navy (Department of the Navy)	$607,499	0.3%	Rank history: not on the FY2022 list, #23 in FY2023, #26 in FY2024 and not on the FY2025 list; down 25 since FY2020.
48	Creation Networks, Inc. Top agencies DOT (Department of Transportation) DOJ (Department of Justice)	$606,322	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Native American Electric, Inc. Top agencies DOI (Department of the Interior)	$605,800	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Dynalec Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$592,682	0.3%	Rank history: #31 in FY2022, #7 in FY2023, #18 in FY2024 and #10 in FY2025; down 10 since FY2020.
51	Astrocom Electronics Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$583,536	0.3%	Rank history: #36 in FY2022, #35 in FY2023, #19 in FY2024 and #21 in FY2025; down 15 since FY2020.
52	Gyro Stabilized Systems LLC Top agencies NASA (National Aeronautics and Space Administration)	$565,664	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
53	Pro Flight Gear LLC Top agencies DLA (Defense Logistics Agency)	$561,819	0.3%	Rank history: #67 in FY2022 and not on the FY2023–FY2025 lists; down 5 since FY2020.
54	Point Rock Solutions, LLC Top agencies Navy (Department of the Navy)	$549,956	0.3%	Rank history: #18 in FY2022, #36 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
55	Advanced It Concepts, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$544,956	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
56	Sekai Electronics, Inc. Top agencies Navy (Department of the Navy)	$541,400	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	B & H Foto & Electronics Corp. Top agencies Navy (Department of the Navy) Army (Department of the Army) DOJ (Department of Justice)	$535,002	0.3%	Rank history: #74 in FY2022, #15 in FY2023, #47 in FY2024 and #42 in FY2025; up 164 since FY2020.
58	Ivideo Technologies LLC Top agencies VA (Department of Veterans Affairs)	$531,074	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Transdigm Group Incorporated 2 awardees, including Palomar Products, Inc. Top agencies Navy (Department of the Navy)	$522,999	0.2%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
60	Turning Technologies LLC Top agencies Navy (Department of the Navy)	$508,970	0.2%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; up 11 since FY2020.
61	Griffon Corporation 2 awardees, including Telephonics Corp Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$495,858	0.2%	Rank history: #79 in FY2022 and not on the FY2023–FY2025 lists; up 208 since FY2020.
62	Nais-Pragmatics JV LLC Top agencies USAF (Department of the Air Force) DOI (Department of the Interior) DOJ (Department of Justice)	$491,976	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	Van Cleve & Associates, Inc. Top agencies DOJ (Department of Justice) Navy (Department of the Navy)	$490,347	0.2%	Rank history: #80 in FY2022, #63 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2020.
64	World Wide Technology Holding Co. Inc. Through World Wide Technology LLC Top agencies Army (Department of the Army)	$488,281	0.2%	Rank history: not on the FY2022–FY2025 lists; up 195 since FY2020.
65	Mechdyne Corporation Through Vrco, Inc. Top agencies Navy (Department of the Navy)	$480,006	0.2%	Rank history: #57 in FY2022, not on the FY2023 list, #2 in FY2024 and not on the FY2025 list; down 19 since FY2020.
66	American Engineering Corporation Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$479,909	0.2%	Rank history: #55 in FY2022 and not on the FY2023–FY2025 lists; up 96 since FY2020.
67	GDL Solutions, Inc. Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce) Army (Department of the Army)	$472,854	0.2%	Rank history: #37 in FY2022, #61 in FY2023, #74 in FY2024 and #27 in FY2025; up 38 since FY2020.
68	Us21 Inc. Top agencies USAF (Department of the Air Force) DOS (Department of State)	$452,297	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$448,420	0.2%	Rank history: #40 in FY2022, #66 in FY2023, #30 in FY2024 and not on the FY2025 list; down 38 since FY2020.
70	Wingmann LLC Top agencies USAF (Department of the Air Force)	$445,430	0.2%	Rank history: #28 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
71	Mercom, Incorporated Top agencies GAO (Government Accountability Office)	$443,001	0.2%	Rank history: not on the FY2022–FY2025 lists; up 9 since FY2020.
72	Empire Avionics Corp. Top agencies DLA (Defense Logistics Agency)	$442,497	0.2%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
73	Red River Technology LLC Top agencies VA (Department of Veterans Affairs)	$430,948	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Levin Professional Services Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Smithsonian (Smithsonian Institution)	$423,249	0.2%	Rank history: #21 in FY2022, not on the FY2023 list, #52 in FY2024 and not on the FY2025 list; down 11 since FY2020.
75	A.m. Communications Solutions, Inc. Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) USAF (Department of the Air Force)	$421,300	0.2%	Rank history: #43 in FY2022, #24 in FY2023, not on the FY2024 list and #74 in FY2025; up 183 since FY2020.
76	Intech Defense, LLC Top agencies USAF (Department of the Air Force)	$416,920	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
77	Directpacket Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$414,392	0.2%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; up 18 since FY2020.
78	Thomas Scientific LLC Through Hirevue Inc. Top agencies Army (Department of the Army)	$408,200	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	Advanced Communications Technology International, Incorporated Top agencies DLA (Defense Logistics Agency)	$395,573	0.2%	Rank history: #59 in FY2022, not on the FY2023–FY2024 lists and #60 in FY2025; up 77 since FY2020.
80	Northrop Grumman Corporation 3 awardees, including Northrop Grumman Systems Corporation and Remotec, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$395,486	0.2%	Rank history: not on the FY2022–FY2025 lists; down 53 since FY2020.
81	Wildlife Acoustics, Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$395,155	0.2%	Rank history: #19 in FY2022 and not on the FY2023–FY2025 lists; down 30 since FY2020.
82	Elbit Systems Ltd 2 awardees, including Elbit Systems of America - Night Vision LLC and Elbitamerica, Inc. Top agencies DLA (Defense Logistics Agency)	$377,737	0.2%	Rank history: #71 in FY2022, not on the FY2023 list, #95 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
83	VTS Group Inc. Top agencies USAF (Department of the Air Force)	$353,192	0.2%	Rank history: #50 in FY2022, not on the FY2023–FY2024 lists and #23 in FY2025; up 99 since FY2020.
84	Command Control Communications Engineering & Logistics LLC Top agencies VA (Department of Veterans Affairs)	$349,978	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	Enterprise Technology Solutions, Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture) DOS (Department of State)	$347,451	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	Adaptive Digital Systems Inc. Top agencies DOJ (Department of Justice) DOL (Department of Labor) DOI (Department of the Interior)	$342,956	0.2%	Rank history: not on the FY2022–FY2024 lists and #77 in FY2025; down 82 since FY2020.
87	Wisecom Technologies Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$332,905	0.2%	Rank history: #56 in FY2022 and not on the FY2023–FY2025 lists; up 232 since FY2020.
88	Gentex Corporation 3 awardees Top agencies DLA (Defense Logistics Agency)	$330,194	0.2%	Rank history: #34 in FY2022, #40 in FY2023, #72 in FY2024 and #30 in FY2025; down 32 since FY2020.
89	E-Logic, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$325,030	0.2%	Rank history: #76 in FY2022, #56 in FY2023, #97 in FY2024 and not on the FY2025 list; down 65 since FY2020.
90	Divine Imaging Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) GSA (General Services Administration)	$323,604	0.2%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
91	Ewing Electronics, Inc. Top agencies DOI (Department of the Interior)	$318,625	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	No Limits Audio / Visual, Incorporated Top agencies DOI (Department of the Interior) DHS (Department of Homeland Security)	$314,937	0.1%	Rank history: not on the FY2022 list, #58 in FY2023 and not on the FY2024–FY2025 lists; up 80 since FY2020.
93	Project Services International Corporation, Inc. Top agencies DOS (Department of State)	$306,843	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Tact360, Inc. Top agencies DLA (Defense Logistics Agency)	$297,484	0.1%	Rank history: not on the FY2022–FY2024 lists and #39 in FY2025; down 52 since FY2020.
95	Avitecture Inc. Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury) Army (Department of the Army)	$296,949	0.1%	Rank history: not on the FY2022–FY2025 lists; up 41 since FY2020.
96	Government of Canada Through Canadian Commercial Corporation Top agencies DLA (Defense Logistics Agency)	$292,938	0.1%	Rank history: #32 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
97	NAS Solutions Group, LLC Top agencies USAF (Department of the Air Force)	$292,644	0.1%	Rank history: #17 in FY2022, #83 in FY2023, #63 in FY2024 and #22 in FY2025; up 152 since FY2020.
98	Insane Impact LLC Top agencies USAF (Department of the Air Force)	$289,500	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Innoface Systems, Inc. Top agencies DOJ (Department of Justice)	$286,680	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Seahorse Defense Supply, LLC Top agencies Navy (Department of the Navy)	$286,096	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 646 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33431

Code	Net obligations	Largest contractor
334310 Audio and Video Equipment Manufacturing	$204,875,118	Aechelon Technology Inc.

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 $211 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2021 ran Oct 1, 2020 – Sep 30, 2021. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2020. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2020 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 33431 contractors in FY2021?

1. Aechelon Technology Inc. ($23.4M), 2. RTX Corporation ($19.6M), 3. Axon Enterprise, Inc. ($15.9M), 4. AV3 Inc. ($14.5M), 5. L3Harris Technologies, Inc. ($10.2M), 6. David Clark Company Incorporated ($4.98M), 7. Modtech Solutions LLC ($4.52M), 8. Roanwell, LLC ($3.42M), 9. L1 Enterprises Incorporated ($3.23M), 10. Bose Corp ($3.08M).

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