Top 100 Contractors in PSC N063: Installation of Equipment: Alarm, Signal, and Security Detection Systems, FY2023

Name: Top 100 Contractors in PSC N063: Installation of Equipment: Alarm, Signal, and Security Detection Systems, FY2023
Creator: GovTribe

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

The top 10 won 65% of FY2023 PSC N063 contract dollars

Contract obligations: $171,115,671 Net of deobligations, by contracts coded PSC N063
Contractors: 263 Parent companies with an obligation
Largest contractor: M.c. Dean, Inc. $46.3 million, 26.3% 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	M.c. Dean, Inc. Top agencies DOD (Department of Defense) Navy (Department of the Navy) DHS (Department of Homeland Security)	$46,289,411	26.3%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #2 in FY2025; unchanged since FY2022.
2	Securityhunter, Inc. Top agencies SSA (Social Security Administration) Army (Department of the Army)	$28,990,556	16.5%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2024 and #1 in FY2025; unchanged since FY2022.
3	Johnson Controls Industries 3 awardees, including Johnson Controls Building Automation Systems, LLC and Johnson Controls, Inc. Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$8,694,315	4.9%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and not on the FY2025 list; new.
4	Rohde & Schwarz GMBH & Co. KG Through Rohde & Schwarz Usa, Inc. Top agencies DHS (Department of Homeland Security)	$7,118,100	4.0%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2024 and not on the FY2025 list; new.
5	Johnson Controls Security Solutions LLC 3 awardees, including Johnson Controls Building Automation Systems, LLC and Johnson Controls Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) Treasury (Department of the Treasury)	$6,379,914	3.6%	Rank history: #3 in FY2021, #3 in FY2022, #6 in FY2024 and #10 in FY2025; down 2 since FY2022.
6	Vectrus Systems Corporation Through Advantor Systems II LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) MDA (DOD Missile Defense Agency)	$5,892,371	3.3%	Rank history: #4 in FY2021, #4 in FY2022, #53 in FY2024 and not on the FY2025 list; down 2 since FY2022.
7	AES Electrical, LLC Top agencies National Gallery of Art	$4,498,378	2.6%	Rank history: not on the FY2021 list, #11 in FY2022, #16 in FY2024 and #22 in FY2025; up 4 since FY2022.
8	Delta Run Security JV2 LLC Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) USDA (Department of Agriculture)	$3,102,832	1.8%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2024 and #33 in FY2025; new.
9	Security Install Solutions, Inc. Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior) GSA (General Services Administration)	$2,171,224	1.2%	Rank history: #9 in FY2021, #25 in FY2022, #47 in FY2024 and #42 in FY2025; up 16 since FY2022.
10	Standard Communications Inc. Top agencies VA (Department of Veterans Affairs)	$2,076,392	1.2%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2024 and #24 in FY2025; new.
11	Electripro, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$2,047,875	1.2%	Rank history: not on the FY2021 list, #5 in FY2022, not on the FY2024 list and #9 in FY2025; down 6 since FY2022.
12	Communications Resource Inc. Top agencies Commerce (Department of Commerce) USDA (Department of Agriculture)	$1,988,258	1.1%	Rank history: #43 in FY2021, #82 in FY2022, #14 in FY2024 and not on the FY2025 list; up 70 since FY2022.
13	CWS Fire Safety GMBH Top agencies DOS (Department of State)	$1,984,899	1.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
14	Cmn, LLC Top agencies DHS (Department of Homeland Security)	$1,928,958	1.1%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2024 and #11 in FY2025; new.
15	West Construction, LLC Top agencies Navy (Department of the Navy)	$1,852,691	1.1%	Rank history: #61 in FY2021, not on the FY2022 list, not on the FY2024 list and #23 in FY2025; returned.
16	Diamond Security, Inc. Top agencies Treasury (Department of the Treasury)	$1,748,381	1.0%	Rank history: not on the FY2021 list, #14 in FY2022, #29 in FY2024 and not on the FY2025 list; down 2 since FY2022.
17	Vision Quest Solutions Inc Top agencies VA (Department of Veterans Affairs)	$1,684,384	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
18	General Mechanical Corporation Top agencies USAF (Department of the Air Force)	$1,622,220	0.9%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
19	Alertus Technologies LLC Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$1,496,694	0.8%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2024 and not on the FY2025 list; new.
20	Afognak Native Corporation 2 awardees, including Red Peak Technical Services, LLC Top agencies Navy (Department of the Navy)	$1,426,752	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
21	Four Points Technology, L.L.C. Top agencies VA (Department of Veterans Affairs)	$1,310,581	0.7%	Rank history: not on the FY2021 list, #73 in FY2022 and not on the FY2024–FY2025 lists; up 52 since FY2022.
22	Siemens Aktiengesellschaft Through Siemens Industry Inc. Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) VA (Department of Veterans Affairs)	$1,247,861	0.7%	Rank history: #78 in FY2021, #63 in FY2022 and not on the FY2024–FY2025 lists; up 41 since FY2022.
23	Scdatacom LLC Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army) DOI (Department of the Interior)	$1,215,190	0.7%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2024 and #80 in FY2025; new.
24	Integriward LLC Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$1,095,757	0.6%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and not on the FY2025 list; new.
25	AES Systems Inc. Top agencies DHS (Department of Homeland Security)	$1,067,046	0.6%	Rank history: #46 in FY2021, #41 in FY2022, #25 in FY2024 and #21 in FY2025; up 16 since FY2022.
26	Livion Technology, LLC Top agencies VA (Department of Veterans Affairs)	$1,008,180	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
27	Trilogy Secured Services, L.l.c Top agencies DHS (Department of Homeland Security)	$920,000	0.5%	Rank history: #22 in FY2021, #23 in FY2022, #13 in FY2024 and #25 in FY2025; down 4 since FY2022.
28	Signet Technologies Inc. 2 awardees, including Convergint Technologies LLC Top agencies SSA (Social Security Administration) DOJ (Department of Justice) USDA (Department of Agriculture)	$886,503	0.5%	Rank history: #6 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
29	Versar Inc. Through Versar Security Systems, LLC Top agencies GSA (General Services Administration)	$861,401	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
30	Talon Maritime LLC Top agencies DOT (Department of Transportation)	$853,000	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
31	Trofholz Technologies Inc. Top agencies DISA (Defense Information Systems Agency) DHS (Department of Homeland Security)	$837,367	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
32	High TECH Innovation Corp Top agencies DHS (Department of Homeland Security)	$831,888	0.5%	Rank history: #19 in FY2021, #43 in FY2022, #44 in FY2024 and not on the FY2025 list; up 11 since FY2022.
33	Intellimar Inc. Through Concentric Security LLC Top agencies DOT (Department of Transportation) Smithsonian (Smithsonian Institution)	$827,522	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Planning, Inc. Top agencies DISA (Defense Information Systems Agency)	$818,800	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
35	Evergreen Fire Alarms LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$778,388	0.4%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2024 and #63 in FY2025; new.
36	J2 Associates, LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$754,676	0.4%	Rank history: #27 in FY2021, #42 in FY2022, #26 in FY2024 and not on the FY2025 list; up 6 since FY2022.
37	Fedstore Corporation Top agencies VA (Department of Veterans Affairs)	$703,459	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	Peopletec, Inc. Top agencies Navy (Department of the Navy)	$693,663	0.4%	Rank history: not on the FY2021 list, #18 in FY2022, #11 in FY2024 and not on the FY2025 list; down 20 since FY2022.
39	Nichols Contracting, Inc. Top agencies GSA (General Services Administration)	$692,565	0.4%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2024 and not on the FY2025 list; new.
40	Trane U.S. Inc. Top agencies DOJ (Department of Justice)	$625,127	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
41	Echelon Services, LLC Top agencies HUD (Department of Housing and Urban Development)	$621,761	0.4%	Rank history: #18 in FY2021, #34 in FY2022, #35 in FY2024 and #26 in FY2025; down 7 since FY2022.
42	Cynergy Professional Systems LLC Top agencies USAID (US Agency for International Development)	$590,000	0.3%	Rank history: #8 in FY2021, #10 in FY2022, #22 in FY2024 and #61 in FY2025; down 32 since FY2022.
43	Integrated Security Technologies, Inc. 2 awardees Top agencies HHS (Department of Health and Human Services) DHS (Department of Homeland Security) DOE (Department of Energy)	$567,258	0.3%	Rank history: #30 in FY2021, #38 in FY2022, #12 in FY2024 and #28 in FY2025; down 5 since FY2022.
44	Identiv, Inc. Top agencies VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$541,604	0.3%	Rank history: not on the FY2021 list, #92 in FY2022 and not on the FY2024–FY2025 lists; up 48 since FY2022.
45	Tic Security, LLC Top agencies Smithsonian (Smithsonian Institution)	$489,811	0.3%	Rank history: #21 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
46	Resolute Partners, L.L.C. Top agencies DHS (Department of Homeland Security)	$484,712	0.3%	Rank history: not on the FY2021–FY2022 lists, #17 in FY2024 and #39 in FY2025; up 184 since FY2022.
47	Apic Solutions Inc Top agencies DOI (Department of the Interior)	$479,795	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Xtec, Incorporated Top agencies USAGM (US Agency for Global Media)	$474,573	0.3%	Rank history: #62 in FY2021, #67 in FY2022, #45 in FY2024 and #49 in FY2025; up 19 since FY2022.
49	Secsol Inc. Top agencies VA (Department of Veterans Affairs)	$456,900	0.3%	Rank history: #51 in FY2021, #22 in FY2022, #91 in FY2024 and #64 in FY2025; down 27 since FY2022.
50	Diversified Protection Corp Top agencies DOS (Department of State)	$438,178	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	Cambridge International Systems, Inc. Top agencies Navy (Department of the Navy)	$424,660	0.2%	Rank history: #7 in FY2021, #17 in FY2022, not on the FY2024 list and #16 in FY2025; down 34 since FY2022.
52	CCI General Contractors LLC Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command)	$375,176	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Triguard Security Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$373,249	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	Ford Industries Inc. Top agencies Army (Department of the Army)	$370,273	0.2%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and not on the FY2025 list; new.
55	Minuteman Security Solutions LLC Top agencies Army (Department of the Army)	$369,523	0.2%	Rank history: #44 in FY2021, #32 in FY2022 and not on the FY2024–FY2025 lists; down 23 since FY2022.
56	Silent Partner Security Systems, Inc. Top agencies ED (Department of Education)	$347,661	0.2%	Rank history: #24 in FY2021, #52 in FY2022, #43 in FY2024 and #51 in FY2025; down 4 since FY2022.
57	Simplesense Inc. Top agencies USAF (Department of the Air Force)	$343,512	0.2%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and not on the FY2025 list; new.
58	Security2000 LLC Top agencies Army (Department of the Army)	$317,215	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #50 in FY2025; new.
59	Tarpan Construction, LLC Top agencies Army (Department of the Army)	$310,215	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	Calvary Contracting Inc Top agencies VA (Department of Veterans Affairs)	$308,050	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
61	Corelogix Consulting Inc. Top agencies DHS (Department of Homeland Security)	$307,112	0.2%	Rank history: not on the FY2021 list, #8 in FY2022 and not on the FY2024–FY2025 lists; down 53 since FY2022.
62	Desert Datacom Inc Top agencies USAF (Department of the Air Force)	$279,754	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
63	Fiber Business Solutions Group Inc. Top agencies Navy (Department of the Navy)	$279,420	0.2%	Rank history: #14 in FY2021, #21 in FY2022, not on the FY2024 list and #19 in FY2025; down 42 since FY2022.
64	New TECH Solutions, Inc. Top agencies DOE (Department of Energy)	$278,039	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
65	Virsig, LLC Top agencies USSOCOM (United States Special Operations Command)	$260,147	0.1%	Rank history: not on the FY2021 list, #24 in FY2022 and not on the FY2024–FY2025 lists; down 41 since FY2022.
66	Acme Technical Group LLC Top agencies VA (Department of Veterans Affairs)	$256,730	0.1%	Rank history: #10 in FY2021, #62 in FY2022, #41 in FY2024 and not on the FY2025 list; down 4 since FY2022.
67	Mayhew Technology Solutions LLC Top agencies DHS (Department of Homeland Security)	$235,144	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #68 in FY2025; new.
68	WJ Contracting LLC Top agencies USAF (Department of the Air Force)	$208,700	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	K&C Contractors, Inc. Top agencies Army (Department of the Army)	$200,170	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	A and W Electrical and Refrigeration A / C Inc. Top agencies DHS (Department of Homeland Security)	$198,799	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Apogee Systems Corporation Top agencies DHS (Department of Homeland Security)	$197,052	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	Kaiva Services, LLC Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$179,572	0.1%	Rank history: not on the FY2021 list, #95 in FY2022 and not on the FY2024–FY2025 lists; up 23 since FY2022.
73	Starboard Industries LLC Top agencies VA (Department of Veterans Affairs)	$175,065	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	Senstar Technologies Ltd Through Senstar Inc. Top agencies DOJ (Department of Justice)	$162,259	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
75	Adept Patriot Services LLC Top agencies DOI (Department of the Interior)	$160,558	0.1%	Rank history: not on the FY2021 list, #98 in FY2022, not on the FY2024 list and #100 in FY2025; up 23 since FY2022.
76	Muniz Joe Top agencies DOI (Department of the Interior)	$151,080	0.1%	Rank history: #32 in FY2021, not on the FY2022 list, #93 in FY2024 and not on the FY2025 list; up 33 since FY2022.
77	Monaco Enterprises, Inc. Top agencies USAF (Department of the Air Force)	$151,070	0.1%	Rank history: not on the FY2021 list, #81 in FY2022, not on the FY2024 list and #27 in FY2025; up 4 since FY2022.
78	Hoang Minh Investment Technology Joint Stock Company Top agencies DOS (Department of State)	$149,178	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Houston-Starr Co Through Houston-Starr Doors, LLC Top agencies USDA (Department of Agriculture)	$147,360	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
80	HQE Systems, Inc. Top agencies USAF (Department of the Air Force)	$143,385	0.1%	Rank history: not on the FY2021 list, #71 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
81	Inter-Pacific Inc Top agencies DHS (Department of Homeland Security) DOE (Department of Energy)	$141,410	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	Fisher Systems, Inc. Top agencies USDA (Department of Agriculture)	$141,240	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Amax2, LLC Top agencies Army (Department of the Army)	$134,239	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 37 since FY2022.
84	Open Systems Technologies Corp Top agencies Army (Department of the Army)	$131,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 29 since FY2022.
85	Digitronics, Inc. Top agencies DHS (Department of Homeland Security)	$128,993	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #57 in FY2025; up 85 since FY2022.
86	Geranios Enterprises Inc Top agencies USAF (Department of the Air Force)	$127,627	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
87	Cardinal Technology Systems, Corp Top agencies Navy (Department of the Navy)	$125,570	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Arotech Corporation Through UEC Electronics, LLC Top agencies Navy (Department of the Navy)	$125,139	0.1%	Rank history: not on the FY2021 list, #9 in FY2022 and not on the FY2024–FY2025 lists; down 79 since FY2022.
89	Smartnet Inc. Top agencies USAF (Department of the Air Force)	$124,670	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 83 since FY2022.
90	Zenith Systems LLC Top agencies VA (Department of Veterans Affairs)	$122,700	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Usmax Corporation Top agencies DOS (Department of State)	$121,820	0.1%	Rank history: #37 in FY2021, #39 in FY2022 and not on the FY2024–FY2025 lists; down 52 since FY2022.
92	Security & Energy Technologies Corporation Top agencies Army (Department of the Army) DOJ (Department of Justice)	$120,984	0.1%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2024 and #69 in FY2025; up 74 since FY2022.
93	Tribalco LLC Top agencies Army (Department of the Army)	$117,225	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Orion Security Solutions LLC Top agencies Navy (Department of the Navy)	$114,484	0.1%	Rank history: #94 in FY2021, not on the FY2022 list, #92 in FY2024 and not on the FY2025 list; returned.
95	Moog Inc. 2 awardees, including Moog Military Aircraft LLC Top agencies NASA (National Aeronautics and Space Administration)	$112,486	0.1%	Rank history: #98 in FY2021, #94 in FY2022, #90 in FY2024 and not on the FY2025 list; down 1 since FY2022.
96	Applied Security Technologies Inc. Top agencies DOS (Department of State)	$109,348	0.1%	Rank history: #65 in FY2021, #44 in FY2022, #89 in FY2024 and not on the FY2025 list; down 52 since FY2022.
97	GCC Enterprises Inc. Top agencies VA (Department of Veterans Affairs)	$109,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	OSI Systems Inc. 2 awardees, including American Science & Engineering Inc. Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$108,502	0.1%	Rank history: #75 in FY2021, #68 in FY2022, #60 in FY2024 and not on the FY2025 list; down 30 since FY2022.
99	United Security & Communications Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$101,920	0.1%	Rank history: #45 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 3 since FY2022.
100	Aurora Technical Systems, LLC Top agencies Treasury (Department of the Treasury)	$101,366	0.1%	Rank history: not on the FY2021 list, #20 in FY2022 and not on the FY2024–FY2025 lists; down 80 since FY2022.

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100 of 263 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 $176 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 PSC N063 contractors in FY2023?

1. M.c. Dean, Inc. ($46.3M), 2. Securityhunter, Inc. ($29M), 3. Johnson Controls Industries ($8.69M), 4. Rohde & Schwarz GMBH & Co. KG ($7.12M), 5. Johnson Controls Security Solutions LLC ($6.38M), 6. Vectrus Systems Corporation ($5.89M), 7. AES Electrical, LLC ($4.5M), 8. Delta Run Security JV2 LLC ($3.1M), 9. Security Install Solutions, Inc. ($2.17M), 10. Standard Communications Inc. ($2.08M).

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