Top 100 Contractors in PSC 6350: Miscellaneous Alarm, Signal, and Security Detection Systems, FY2021

Name: Top 100 Contractors in PSC 6350: Miscellaneous Alarm, Signal, and Security Detection Systems, FY2021
Creator: GovTribe

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

The top 10 won 62% of FY2021 PSC 6350 contract dollars

Contract obligations: $491,712,366 Net of deobligations, by contracts coded PSC 6350
Contractors: 685 Parent companies with an obligation
Largest contractor: Analogic Corporation $100 million, 19.5% 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	Analogic Corporation Top agencies DHS (Department of Homeland Security)	$100,411,208	19.5%	Rank history: #1 in FY2022, #9 in FY2023, #4 in FY2024 and #4 in FY2025; up 22 since FY2020.
2	Smiths Group PLC 2 awardees, including Smiths Detection, Inc. Top agencies DHS (Department of Homeland Security) AOUSC (Administrative Office of the U.S. Courts) DOJ (Department of Justice)	$43,713,601	8.5%	Rank history: #3 in FY2022, #1 in FY2023, #22 in FY2024 and not on the FY2025 list; down 1 since FY2020.
3	Leidos Holdings, Inc. 2 awardees, including Leidos Security Detection & Automation, Inc. and Reveal Imaging Technologies, Inc. Top agencies DHS (Department of Homeland Security) SSA (Social Security Administration)	$27,144,066	5.3%	Rank history: #18 in FY2022, #8 in FY2023, not on the FY2024 list and #7 in FY2025; new, not ranked in FY2020.
4	Minuteman Security Solutions LLC 2 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy)	$25,666,085	5.0%	Rank history: #5 in FY2022, #6 in FY2023, #6 in FY2024 and #10 in FY2025; up 2 since FY2020.
5	Idemia Identity & Security USA LLC Top agencies DHS (Department of Homeland Security)	$24,665,753	4.8%	Rank history: #23 in FY2022, #14 in FY2023 and not on the FY2024–FY2025 lists; up 46 since FY2020.
6	Thermo Electron Corporation Through Thermo Eberline LLC Top agencies DHS (Department of Homeland Security)	$23,770,716	4.6%	Rank history: not on the FY2022–FY2025 lists; up 222 since FY2020.
7	Evigilant.com, LLC Top agencies AOUSC (Administrative Office of the U.S. Courts) GSA (General Services Administration) DOJ (Department of Justice)	$21,960,050	4.3%	Rank history: #2 in FY2022, #3 in FY2023, #8 in FY2024 and #27 in FY2025; down 4 since FY2020.
8	M.c. Dean, Inc. Top agencies USAF (Department of the Air Force) AOUSC (Administrative Office of the U.S. Courts) DOT (Department of Transportation)	$21,920,504	4.3%	Rank history: #4 in FY2022, #2 in FY2023, #2 in FY2024 and #1 in FY2025; down 6 since FY2020.
9	Johnson Controls Security Solutions LLC 10 awardees, including Johnson Controls Fire Protection LP, Johnson Controls Navy Systems, LLC and Johnson Controls Inc. Top agencies AOUSC (Administrative Office of the U.S. Courts) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$15,725,336	3.1%	Rank history: #8 in FY2022, #7 in FY2023, #13 in FY2024 and #14 in FY2025; up 3 since FY2020.
10	CACI International Inc. Top agencies USAF (Department of the Air Force)	$13,530,881	2.6%	Rank history: #50 in FY2022, #13 in FY2023, #14 in FY2024 and #9 in FY2025; new, not ranked in FY2020.
11	Versar Inc. Through Versar Security Systems, LLC Top agencies AOUSC (Administrative Office of the U.S. Courts) DOT (Department of Transportation) GSA (General Services Administration)	$12,130,933	2.4%	Rank history: #13 in FY2022, #19 in FY2023, #75 in FY2024 and not on the FY2025 list; down 7 since FY2020.
12	Signet Technologies Inc. 2 awardees, including Convergint Technologies LLC Top agencies AOUSC (Administrative Office of the U.S. Courts) DHS (Department of Homeland Security) NARA (National Archives and Records Administration)	$9,091,894	1.8%	Rank history: #9 in FY2022, #18 in FY2023, #20 in FY2024 and #25 in FY2025; down 1 since FY2020.
13	Evergreen Fire Alarms LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$7,747,348	1.5%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; up 145 since FY2020.
14	Kbr, Inc. Through KBR Wyle Services, LLC Top agencies AOUSC (Administrative Office of the U.S. Courts)	$7,427,746	1.4%	Rank history: #65 in FY2022, #16 in FY2023, #83 in FY2024 and not on the FY2025 list; up 21 since FY2020.
15	William F Hawk Consulting Inc. Top agencies DHS (Department of Homeland Security)	$6,664,700	1.3%	Rank history: not on the FY2022–FY2025 lists; down 2 since FY2020.
16	Jamaica Bearings Co., Inc. Top agencies DLA (Defense Logistics Agency)	$5,619,909	1.1%	Rank history: #17 in FY2022, #17 in FY2023, #44 in FY2024 and #19 in FY2025; up 9 since FY2020.
17	Seneca Global Services LLC Top agencies DOJ (Department of Justice)	$5,249,998	1.0%	Rank history: #14 in FY2022, #20 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
18	OSI Systems Inc. Through Rapiscan Systems Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) AOUSC (Administrative Office of the U.S. Courts)	$5,210,036	1.0%	Rank history: #6 in FY2022, #23 in FY2023, #80 in FY2024 and not on the FY2025 list; up 24 since FY2020.
19	General Dynamics Corporation 4 awardees, including General Dynamics Mission Systems, Inc., General Dynamics Land Systems - Canada Corporation and General Dynamics Information Technology, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,114,203	1.0%	Rank history: #11 in FY2022, #12 in FY2023, #27 in FY2024 and #22 in FY2025; down 5 since FY2020.
20	Vectrus Systems Corporation Through Advantor Systems II LLC Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command) Army (Department of the Army)	$5,014,005	1.0%	Rank history: #12 in FY2022, #25 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
21	Tribalco LLC Top agencies DHS (Department of Homeland Security)	$4,846,559	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
22	Savi Technology, Inc. Top agencies DLA (Defense Logistics Agency)	$4,713,945	0.9%	Rank history: #15 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
23	Communications Resource Inc. Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce) NARA (National Archives and Records Administration)	$3,957,400	0.8%	Rank history: #59 in FY2022, #41 in FY2023, #60 in FY2024 and #94 in FY2025; up 16 since FY2020.
24	Parsons Corporation Through Williams Electric Co Inc. Top agencies AOUSC (Administrative Office of the U.S. Courts)	$3,908,619	0.8%	Rank history: #24 in FY2022, #42 in FY2023, #9 in FY2024 and #5 in FY2025; up 33 since FY2020.
25	General Dynamics Mission Systems, Inc. Top agencies Navy (Department of the Navy)	$3,473,424	0.7%	Rank history: not on the FY2022–FY2025 lists; down 9 since FY2020.
26	Mirion Technologies (CANBERRA) Inc. Top agencies DHS (Department of Homeland Security)	$3,122,853	0.6%	Rank history: #30 in FY2022, #40 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
27	Chenega Security International, LLC Top agencies USAF (Department of the Air Force)	$3,121,411	0.6%	Rank history: #45 in FY2022, #97 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
28	Bowhead Communication Services LLC Top agencies USAF (Department of the Air Force)	$2,957,888	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
29	Vortex Systems LLC Top agencies DHS (Department of Homeland Security)	$2,593,257	0.5%	Rank history: #25 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
30	Ceia USA Ltd Top agencies AOUSC (Administrative Office of the U.S. Courts) DHS (Department of Homeland Security) DOJ (Department of Justice)	$2,470,664	0.5%	Rank history: #31 in FY2022, #22 in FY2023, #24 in FY2024 and #26 in FY2025; down 9 since FY2020.
31	Advanced Scientific Concepts, LLC Top agencies Navy (Department of the Navy)	$2,446,946	0.5%	Rank history: #19 in FY2022, #30 in FY2023, #37 in FY2024 and #29 in FY2025; new, not ranked in FY2020.
32	Scarabee Systems & Technology B.V. Top agencies DHS (Department of Homeland Security)	$2,386,000	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Kastle Systems LLC Top agencies SEC (Securities and Exchange Commission) CFTC (Commodity Futures Trading Commission) DOJ (Department of Justice)	$1,623,052	0.3%	Rank history: #51 in FY2022, #54 in FY2023, #51 in FY2024 and not on the FY2025 list; up 3 since FY2020.
34	Westnet, LLC Top agencies USAF (Department of the Air Force)	$1,607,202	0.3%	Rank history: not on the FY2022–FY2024 lists and #92 in FY2025; up 38 since FY2020.
35	Polimaster Inc. Top agencies DHS (Department of Homeland Security)	$1,518,383	0.3%	Rank history: #80 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
36	Toyota Industries Corporation Through Vanderlande Industries Inc. Top agencies DHS (Department of Homeland Security)	$1,471,000	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
37	Noresco LLC 3 awardees, including Kidde Technologies Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,429,498	0.3%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
38	Surescan Corporation Top agencies DHS (Department of Homeland Security)	$1,426,000	0.3%	Rank history: not on the FY2022 list, #15 in FY2023 and not on the FY2024–FY2025 lists; down 7 since FY2020.
39	Gilma SPA Through Gilardoni SPA Top agencies DHS (Department of Homeland Security)	$1,426,000	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	Siemens Aktiengesellschaft 2 awardees, including Siemens Industry Inc. and Siemens Corporation Top agencies DOE (Department of Energy) DOJ (Department of Justice) USDA (Department of Agriculture)	$1,282,519	0.2%	Rank history: #16 in FY2022, #72 in FY2023 and not on the FY2024–FY2025 lists; down 21 since FY2020.
41	Cynergy Professional Systems LLC Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$1,213,749	0.2%	Rank history: #10 in FY2022, #35 in FY2023, #35 in FY2024 and #41 in FY2025; down 11 since FY2020.
42	New TECH Solutions, Inc. Top agencies Navy (Department of the Navy)	$1,198,964	0.2%	Rank history: not on the FY2022–FY2025 lists; up 138 since FY2020.
43	RB Allen Co Inc. Top agencies DLA (Defense Logistics Agency)	$1,160,473	0.2%	Rank history: #78 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
44	Nitor Technologies Inc. Top agencies VA (Department of Veterans Affairs)	$1,053,469	0.2%	Rank history: not on the FY2022–FY2023 lists, #26 in FY2024 and #57 in FY2025; new, not ranked in FY2020.
45	Firelake Construction Inc. Top agencies Army (Department of the Army)	$1,019,667	0.2%	Rank history: #56 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
46	Scott Total Security Limited Top agencies USAF (Department of the Air Force)	$955,497	0.2%	Rank history: #94 in FY2022, not on the FY2023–FY2024 lists and #49 in FY2025; up 65 since FY2020.
47	Moss Cape, LLC Top agencies Army (Department of the Army)	$914,184	0.2%	Rank history: not on the FY2022–FY2025 lists; up 96 since FY2020.
48	Hurtvet Subcontracting, Inc. Top agencies VA (Department of Veterans Affairs)	$910,128	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Oshkosh Corp 2 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$882,425	0.2%	Rank history: not on the FY2022–FY2025 lists; up 16 since FY2020.
50	Honeywell International Inc. 3 awardees, including Vindicator Technologies, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOI (Department of the Interior)	$825,284	0.2%	Rank history: #29 in FY2022, #26 in FY2023, #49 in FY2024 and #64 in FY2025; down 9 since FY2020.
51	Integrated Security Corp Top agencies DOJ (Department of Justice)	$803,083	0.2%	Rank history: not on the FY2022–FY2025 lists; up 371 since FY2020.
52	Southwest Microwave Inc. Top agencies USAF (Department of the Air Force)	$770,634	0.1%	Rank history: not on the FY2022–FY2025 lists; up 114 since FY2020.
53	Valkyrie Enterprises, LLC 2 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$760,265	0.1%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
54	CRFS Inc Top agencies USAF (Department of the Air Force)	$726,066	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
55	Copper Current Inc. Top agencies Army (Department of the Army)	$714,000	0.1%	Rank history: not on the FY2022–FY2025 lists; down 28 since FY2020.
56	HQE Systems, Inc. Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$708,794	0.1%	Rank history: #37 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; up 161 since FY2020.
57	Monaco Enterprises, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$690,118	0.1%	Rank history: #36 in FY2022, #28 in FY2023, #42 in FY2024 and #24 in FY2025; down 14 since FY2020.
58	Synergy Group JV, LLC Top agencies HHS (Department of Health and Human Services)	$632,810	0.1%	Rank history: not on the FY2022–FY2025 lists; down 26 since FY2020.
59	Standard Communications Inc. Top agencies VA (Department of Veterans Affairs)	$601,927	0.1%	Rank history: not on the FY2022–FY2025 lists; up 70 since FY2020.
60	Leonardo S.p.A. 2 awardees, including DRS Training & Control Systems, LLC and Leonardo US Cyber and Security Solutions, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$542,978	0.1%	Rank history: not on the FY2022 list, #90 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
61	AES Corporation Top agencies DOS (Department of State)	$526,467	0.1%	Rank history: not on the FY2022–FY2025 lists; up 95 since FY2020.
62	Northrop Grumman Corporation 3 awardees, including Northrop Grumman Systems Corporation Top agencies USAF (Department of the Air Force)	$524,677	0.1%	Rank history: #82 in FY2022, not on the FY2023 list, #57 in FY2024 and not on the FY2025 list; up 48 since FY2020.
63	Cybertec Holdings Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$512,851	0.1%	Rank history: not on the FY2022–FY2025 lists; up 41 since FY2020.
64	Corbett Technology Solutions Inc. Through Integrated Security Solutions Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$507,739	0.1%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
65	Applied Research Associates, Inc. Top agencies USAF (Department of the Air Force)	$504,987	0.1%	Rank history: #46 in FY2022, #60 in FY2023, #62 in FY2024 and #28 in FY2025; up 67 since FY2020.
66	Optex Company Limited Through Fiber Sensys, Inc. Top agencies USAF (Department of the Air Force)	$493,653	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	KMK Construction, Inc. Top agencies USAF (Department of the Air Force)	$493,636	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
68	Geospace Technologies Corporation Through Quantum Technology Sciences, Inc. Top agencies DHS (Department of Homeland Security)	$463,223	0.1%	Rank history: #72 in FY2022, #69 in FY2023, #47 in FY2024 and #35 in FY2025; down 58 since FY2020.
69	Lyme Computer Systems, Inc. Top agencies Navy (Department of the Navy)	$457,758	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	Drake Consulting LLC Top agencies USAF (Department of the Air Force)	$453,143	0.1%	Rank history: not on the FY2022–FY2024 lists and #74 in FY2025; new, not ranked in FY2020.
71	Independent Hardware Inc. Top agencies DLA (Defense Logistics Agency) GSA (General Services Administration) DOJ (Department of Justice)	$438,656	0.1%	Rank history: not on the FY2022–FY2024 lists and #87 in FY2025; up 52 since FY2020.
72	Jtek Data Solutions LLC Top agencies USDA (Department of Agriculture)	$432,450	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	1ST American Medical Distributors, Inc. Top agencies Army (Department of the Army)	$420,080	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	American Security Programs Inc 2 awardees, including Securadyne Systems Intermediate LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$394,451	0.1%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; up 16 since FY2020.
75	Point Security Inc. Top agencies DOJ (Department of Justice) SEC (Securities and Exchange Commission) VA (Department of Veterans Affairs)	$387,203	0.1%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
76	Magal Security Systems Through Senstar Inc. Top agencies DOJ (Department of Justice)	$380,852	0.1%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
77	Security Install Solutions, Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$380,472	0.1%	Rank history: not on the FY2022–FY2023 lists, #85 in FY2024 and not on the FY2025 list; up 25 since FY2020.
78	Federal Resources Supply Company Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$375,479	0.1%	Rank history: not on the FY2022–FY2025 lists; up 227 since FY2020.
79	Scdatacom, LLC Top agencies Commerce (Department of Commerce) USAF (Department of the Air Force) SSA (Social Security Administration)	$370,776	0.1%	Rank history: #28 in FY2022, #37 in FY2023, #12 in FY2024 and #11 in FY2025; up 75 since FY2020.
80	Motorola Inc Through Motorola Solutions, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$363,781	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	Andy Ramos Electric LLC Top agencies VA (Department of Veterans Affairs)	$362,738	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	MCB Enterprises, Inc. Top agencies USAF (Department of the Air Force)	$352,798	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Stanley Black & Decker, Inc. 2 awardees, including Securitas Technology Corporation and Stanley Convergent Security Solutions, Inc. Top agencies USAF (Department of the Air Force) Treasury (Department of the Treasury) DHA (Defense Health Agency)	$349,603	0.1%	Rank history: #89 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
84	Barcom Electronic Inc. Top agencies VA (Department of Veterans Affairs)	$345,737	0.1%	Rank history: not on the FY2022–FY2023 lists, #66 in FY2024 and not on the FY2025 list; up 306 since FY2020.
85	Potomac River Group, LLC Top agencies DOS (Department of State)	$337,063	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	Rogers Electronics Inc. Top agencies Army (Department of the Army)	$333,878	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	Washington Foundries Inc. Top agencies DLA (Defense Logistics Agency)	$325,608	0.1%	Rank history: not on the FY2022–FY2024 lists and #62 in FY2025; up 213 since FY2020.
88	Hose-Mccann Telephone Co, Inc. Top agencies DLA (Defense Logistics Agency)	$325,321	0.1%	Rank history: #69 in FY2022, #68 in FY2023, #58 in FY2024 and #53 in FY2025; up 9 since FY2020.
89	Paragon Micro Inc. Top agencies USAF (Department of the Air Force)	$324,084	0.1%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
90	Ranger Elite Management, LLC Top agencies VA (Department of Veterans Affairs)	$317,484	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Adaptive Digital Systems Inc. Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$316,400	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	Starboard Industries LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$315,138	0.1%	Rank history: not on the FY2022–FY2025 lists; up 11 since FY2020.
93	Star Asset Security LLC Top agencies Army (Department of the Army) DOJ (Department of Justice) Commerce (Department of Commerce)	$314,980	0.1%	Rank history: not on the FY2022–FY2025 lists; down 41 since FY2020.
94	Trace3 Government, LLC Top agencies USAF (Department of the Air Force)	$314,832	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	AES Systems Inc. Top agencies GSA (General Services Administration)	$308,005	0.1%	Rank history: not on the FY2022 list, #55 in FY2023, not on the FY2024 list and #81 in FY2025; new, not ranked in FY2020.
96	Prima Vista International, Inc. Top agencies DOS (Department of State)	$304,367	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Condortech Services, Inc. Top agencies USAF (Department of the Air Force)	$297,917	0.1%	Rank history: not on the FY2022 list, #96 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
98	Telecommunication Solutions Group Inc. Top agencies USAF (Department of the Air Force)	$295,763	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Warfeather, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$294,779	0.1%	Rank history: not on the FY2022 list, #58 in FY2023 and not on the FY2024–FY2025 lists; down 62 since FY2020.
100	Koninklijke Philips N.V. Through Philips North America LLC Top agencies HHS (Department of Health and Human Services)	$288,745	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 685 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 $515 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 6350 contractors in FY2021?

1. Analogic Corporation ($100M), 2. Smiths Group PLC ($43.7M), 3. Leidos Holdings, Inc. ($27.1M), 4. Minuteman Security Solutions LLC ($25.7M), 5. Idemia Identity & Security USA LLC ($24.7M), 6. Thermo Electron Corporation ($23.8M), 7. Evigilant.com, LLC ($22M), 8. M.c. Dean, Inc. ($21.9M), 9. Johnson Controls Security Solutions LLC ($15.7M), 10. CACI International Inc. ($13.5M).

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