Top 100 Contractors in PSC S206: Guard Services, FY2023

Name: Top 100 Contractors in PSC S206: Guard Services, FY2023
Creator: GovTribe

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

The top 10 won 57% of FY2023 PSC S206 contract dollars

Contract obligations: $4,690,064,681 Net of deobligations, by contracts coded PSC S206
Contractors: 443 Parent companies with an obligation
Largest contractor: Securitas AB $543 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	Securitas AB 3 awardees, including Paragon Systems Inc. Top agencies DHS (Department of Homeland Security) AOUSC (Administrative Office of the U.S. Courts) NARA (National Archives and Records Administration)	$542,976,291	11.1%	Rank history: #1 in FY2021, #2 in FY2022, #5 in FY2024 and not on the FY2025 list; up 1 since FY2022.
2	The GEO Group, Inc. 2 awardees Top agencies DHS (Department of Homeland Security)	$444,954,002	9.1%	Rank history: #3 in FY2021, #3 in FY2022, #2 in FY2024 and #1 in FY2025; up 1 since FY2022.
3	Triple Canopy Inc. 2 awardees, including Centerra Group, LLC Top agencies AOUSC (Administrative Office of the U.S. Courts) DHS (Department of Homeland Security) DOE (Department of Energy)	$391,081,347	8.0%	Rank history: #2 in FY2021, #1 in FY2022, #8 in FY2024 and #5 in FY2025; down 2 since FY2022.
4	Omniplex World Services Corp Through Triple Canopy Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) USAF (Department of the Air Force)	$307,733,722	6.3%	Rank history: not on the FY2021 list, #77 in FY2022, #4 in FY2024 and not on the FY2025 list; up 73 since FY2022.
5	Metropolitan Security Services, Inc. Top agencies AOUSC (Administrative Office of the U.S. Courts) DOJ (Department of Justice) GSA (General Services Administration)	$256,596,123	5.2%	Rank history: #4 in FY2021, #5 in FY2022, #1 in FY2024 and #2 in FY2025; unchanged since FY2022.
6	Mvm, Inc. Top agencies DHS (Department of Homeland Security)	$234,834,275	4.8%	Rank history: #7 in FY2021, #4 in FY2022, #6 in FY2024 and #6 in FY2025; down 2 since FY2022.
7	Corecivic, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$187,813,946	3.8%	Rank history: #6 in FY2021, #6 in FY2022, #7 in FY2024 and #4 in FY2025; down 1 since FY2022.
8	G4S Holding One Inc. 9 awardees, including G4S Secure Integration LLC, G4S Secure Solutions (USA) Inc. and G4S Peru S.a.c. Top agencies DOS (Department of State) DHS (Department of Homeland Security) DECA (Defense Commissary Agency)	$161,482,751	3.3%	Rank history: #5 in FY2021, #7 in FY2022, #28 in FY2024 and not on the FY2025 list; down 1 since FY2022.
9	Covenant Aviation Security LLC Top agencies DHS (Department of Homeland Security)	$134,211,436	2.7%	Rank history: #9 in FY2021, #9 in FY2022, #9 in FY2024 and #8 in FY2025; unchanged since FY2022.
10	Pond Security Service GMBH Top agencies Army (Department of the Army) DOS (Department of State)	$129,275,011	2.6%	Rank history: #8 in FY2021, #8 in FY2022, #10 in FY2024 and #9 in FY2025; down 2 since FY2022.
11	The Chenega Corporation 3 awardees, including Chenega Global Protection, LLC and Chenega Integrated Security Solutions, LLC Top agencies NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services) Army (Department of the Army)	$109,936,436	2.2%	Rank history: #30 in FY2021, #21 in FY2022, #32 in FY2024 and not on the FY2025 list; up 10 since FY2022.
12	Nana Regional Corporation Inc 2 awardees, including Akima Global Services, LLC and Lockwood Hills Federal LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$108,798,319	2.2%	Rank history: #10 in FY2021, #10 in FY2022, #21 in FY2024 and #19 in FY2025; down 2 since FY2022.
13	Universal Protection GP, LLC 2 awardees, including Universal Protection Service, Limited Partnership and Universal Protection Service, LLC Top agencies DHS (Department of Homeland Security) Smithsonian (Smithsonian Institution) DOI (Department of the Interior)	$94,500,839	1.9%	Rank history: #19 in FY2021, #14 in FY2022, #23 in FY2024 and not on the FY2025 list; up 1 since FY2022.
14	Paragon Professional Services LLC Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$81,603,436	1.7%	Rank history: not on the FY2021 list, #72 in FY2022, #15 in FY2024 and #12 in FY2025; up 58 since FY2022.
15	Vendtech-Sgi LLC Top agencies DHS (Department of Homeland Security)	$72,697,514	1.5%	Rank history: #13 in FY2021, #11 in FY2022, #16 in FY2024 and #17 in FY2025; down 4 since FY2022.
16	Kerberos International Inc. 2 awardees, including Acadia Protective Services II, LLC Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior)	$54,397,981	1.1%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2024 and #10 in FY2025; up 123 since FY2022.
17	Management & Training Corporation Top agencies DHS (Department of Homeland Security)	$44,056,006	0.9%	Rank history: #23 in FY2021, #23 in FY2022, #26 in FY2024 and #21 in FY2025; up 6 since FY2022.
18	Diversified Protection Corp Top agencies DHS (Department of Homeland Security) NARA (National Archives and Records Administration) USDA (Department of Agriculture)	$43,521,195	0.9%	Rank history: #24 in FY2021, #19 in FY2022, #37 in FY2024 and #31 in FY2025; up 1 since FY2022.
19	Chenega Infinity, LLC Top agencies DHS (Department of Homeland Security) MDA (DOD Missile Defense Agency) NASA (National Aeronautics and Space Administration)	$43,384,458	0.9%	Rank history: #18 in FY2021, #17 in FY2022, #35 in FY2024 and #52 in FY2025; down 2 since FY2022.
20	Aviation Security Management LLC Top agencies DHS (Department of Homeland Security)	$42,410,430	0.9%	Rank history: #31 in FY2021, #20 in FY2022, #39 in FY2024 and #38 in FY2025; unchanged since FY2022.
21	North American Security, Incorporated Top agencies DHS (Department of Homeland Security)	$38,118,761	0.8%	Rank history: #20 in FY2021, #25 in FY2022, #29 in FY2024 and #33 in FY2025; up 4 since FY2022.
22	VMD Systems Integrators Inc Top agencies DHS (Department of Homeland Security)	$36,321,897	0.7%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2024 and #26 in FY2025; new.
23	Inter-Con Security Systems, Inc. Top agencies DOS (Department of State) NARA (National Archives and Records Administration) DOI (Department of the Interior)	$35,306,211	0.7%	Rank history: #25 in FY2021, #34 in FY2022, #27 in FY2024 and #23 in FY2025; up 11 since FY2022.
24	CDA Incorporated Top agencies DHS (Department of Homeland Security)	$32,687,457	0.7%	Rank history: #17 in FY2021, #18 in FY2022, #18 in FY2024 and #15 in FY2025; down 6 since FY2022.
25	Golden Svcs, LLC Top agencies DHS (Department of Homeland Security)	$30,752,366	0.6%	Rank history: #15 in FY2021, #15 in FY2022, #34 in FY2024 and #28 in FY2025; down 10 since FY2022.
26	Akima Infrastructure Protection LLC Top agencies DHS (Department of Homeland Security)	$30,271,660	0.6%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2024 and #7 in FY2025; up 104 since FY2022.
27	Hana Industries, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) Commerce (Department of Commerce)	$29,793,825	0.6%	Rank history: #28 in FY2021, #28 in FY2022, #41 in FY2024 and #29 in FY2025; up 1 since FY2022.
28	Master Security Company LLC Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$29,537,679	0.6%	Rank history: #33 in FY2021, #31 in FY2022, #36 in FY2024 and #67 in FY2025; up 3 since FY2022.
29	The Day & Zimmermann Group, Inc. Through SOC LLC Top agencies DOE (Department of Energy)	$29,159,601	0.6%	Rank history: #12 in FY2021, #16 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
30	Bradley Technologies Inc. Top agencies DHS (Department of Homeland Security) CFTC (Commodity Futures Trading Commission)	$27,284,084	0.6%	Rank history: #75 in FY2021, #62 in FY2022, #19 in FY2024 and #16 in FY2025; up 32 since FY2022.
31	Excalibur Associates Inc. 3 awardees, including Galaxy Protection Management, LLC Top agencies USDA (Department of Agriculture) Commerce (Department of Commerce) NASA (National Aeronautics and Space Administration)	$26,287,947	0.5%	Rank history: #39 in FY2021, #35 in FY2022, #38 in FY2024 and #54 in FY2025; up 4 since FY2022.
32	KR Contracting Inc. Top agencies DHS (Department of Homeland Security) OPM (Office of Personnel Management) OSD (Office of the Secretary of Defense)	$24,893,116	0.5%	Rank history: #26 in FY2021, #26 in FY2022, #45 in FY2024 and #53 in FY2025; down 6 since FY2022.
33	Bering Straits Native Corporation Through Bering Global Solutions, LLC Top agencies DOT (Department of Transportation) Navy (Department of the Navy)	$23,640,993	0.5%	Rank history: #35 in FY2021, #33 in FY2022, #70 in FY2024 and not on the FY2025 list; unchanged since FY2022.
34	Patronus Systems Inc 2 awardees Top agencies DHS (Department of Homeland Security)	$22,170,930	0.5%	Rank history: #37 in FY2021, #30 in FY2022, #33 in FY2024 and #36 in FY2025; down 4 since FY2022.
35	Akima Global Services, LLC Top agencies DHS (Department of Homeland Security)	$21,876,662	0.4%	Rank history: not on the FY2021 list, #27 in FY2022, #12 in FY2024 and #20 in FY2025; down 8 since FY2022.
36	Spectrum Security Services, Inc. Top agencies DHS (Department of Homeland Security)	$21,464,850	0.4%	Rank history: #38 in FY2021, #36 in FY2022, #44 in FY2024 and #37 in FY2025; unchanged since FY2022.
37	Joeun System Corp. Top agencies Army (Department of the Army)	$18,718,247	0.4%	Rank history: not on the FY2021 list, #41 in FY2022, #48 in FY2024 and #41 in FY2025; up 4 since FY2022.
38	Kr-Mtac LLC Top agencies DHS (Department of Homeland Security)	$18,463,633	0.4%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and #25 in FY2025; new.
39	Torres Advanced Enterprise Solutions LLC 2 awardees, including Continuity Global Solutions LLC and Torres-Arkhe Group LLC Top agencies DOS (Department of State) Army (Department of the Army) Navy (Department of the Navy)	$15,733,042	0.3%	Rank history: #42 in FY2021, #40 in FY2022, #43 in FY2024 and #39 in FY2025; up 1 since FY2022.
40	ISS Action Inc. Top agencies DOI (Department of the Interior) DHS (Department of Homeland Security) CFPB (Consumer Financial Protection Bureau)	$15,615,534	0.3%	Rank history: #65 in FY2021, #49 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
41	American Security Programs Inc Through Sos Security LLC Top agencies DOS (Department of State)	$15,069,474	0.3%	Rank history: #21 in FY2021, #12 in FY2022 and not on the FY2024–FY2025 lists; down 29 since FY2022.
42	Alante Security Group, Inc. Top agencies DHS (Department of Homeland Security)	$14,835,105	0.3%	Rank history: #46 in FY2021, #69 in FY2022, #50 in FY2024 and #49 in FY2025; up 27 since FY2022.
43	I3 Pathfinder USA LLC Top agencies DOS (Department of State)	$14,600,000	0.3%	Rank history: #47 in FY2021, #44 in FY2022, #51 in FY2024 and #44 in FY2025; up 1 since FY2022.
44	Ahtna, Incorporated Through Ahtna Support & Training Services LLC Top agencies DHS (Department of Homeland Security)	$14,564,216	0.3%	Rank history: #29 in FY2021, #22 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
45	United Security Inc. Top agencies DOJ (Department of Justice)	$14,385,059	0.3%	Rank history: #55 in FY2021, #57 in FY2022, #46 in FY2024 and #43 in FY2025; up 12 since FY2022.
46	Trinity Technology Group, Inc. Top agencies DHS (Department of Homeland Security)	$13,911,069	0.3%	Rank history: #40 in FY2021, #43 in FY2022, #47 in FY2024 and #66 in FY2025; down 3 since FY2022.
47	Defense Consulting Services LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$12,918,217	0.3%	Rank history: not on the FY2021 list, #71 in FY2022, #62 in FY2024 and #59 in FY2025; up 24 since FY2022.
48	VXL Enterprises LLC Top agencies DOS (Department of State)	$12,813,721	0.3%	Rank history: #54 in FY2021, #37 in FY2022, #60 in FY2024 and #57 in FY2025; down 11 since FY2022.
49	Prosecure, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$12,770,923	0.3%	Rank history: #53 in FY2021, #50 in FY2022, #59 in FY2024 and #51 in FY2025; up 1 since FY2022.
50	American Eagle Protective Services Corp 2 awardees Top agencies DHS (Department of Homeland Security)	$12,543,339	0.3%	Rank history: #45 in FY2021, #64 in FY2022, #58 in FY2024 and #47 in FY2025; up 14 since FY2022.
51	First Coast Security Solutions, Inc. Top agencies DHS (Department of Homeland Security)	$12,519,121	0.3%	Rank history: #77 in FY2021, #76 in FY2022 and not on the FY2024–FY2025 lists; up 25 since FY2022.
52	Chenega Security International, LLC Top agencies Army (Department of the Army)	$12,095,938	0.2%	Rank history: #51 in FY2021, #46 in FY2022, #61 in FY2024 and #56 in FY2025; down 6 since FY2022.
53	Protection Unit Top agencies Army (Department of the Army)	$12,071,497	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	Inner-Parish Security, Corp Top agencies DHS (Department of Homeland Security)	$11,855,829	0.2%	Rank history: #67 in FY2021, #60 in FY2022, #68 in FY2024 and not on the FY2025 list; up 6 since FY2022.
55	The Tatitlek Corporation Through Tatitlek Federal Services LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$11,796,604	0.2%	Rank history: not on the FY2021 list, #51 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
56	Culpepper & Associates Security Services Inc. Top agencies VA (Department of Veterans Affairs) NARA (National Archives and Records Administration) USAF (Department of the Air Force)	$11,760,652	0.2%	Rank history: #44 in FY2021, #45 in FY2022, #66 in FY2024 and #64 in FY2025; down 11 since FY2022.
57	Surveillance Security, Inc. Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DLA (Defense Logistics Agency)	$11,599,919	0.2%	Rank history: #66 in FY2021, #55 in FY2022, #53 in FY2024 and #70 in FY2025; down 2 since FY2022.
58	G4S Secure Integration LLC Top agencies DOS (Department of State)	$10,708,334	0.2%	Rank history: #86 in FY2021, #87 in FY2022, #20 in FY2024 and #22 in FY2025; up 29 since FY2022.
59	The Whitestone Group, Inc. Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services) DOE (Department of Energy)	$10,503,733	0.2%	Rank history: not on the FY2021 list, #39 in FY2022, #42 in FY2024 and #30 in FY2025; down 20 since FY2022.
60	Sicuritalia - Securitas Critical Infrastructure Services Inc JV Top agencies DOS (Department of State)	$10,456,286	0.2%	Rank history: #59 in FY2021, #54 in FY2022, #63 in FY2024 and #65 in FY2025; down 6 since FY2022.
61	Guard Force Inc. Top agencies VA (Department of Veterans Affairs)	$9,263,286	0.2%	Rank history: #62 in FY2021, #74 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
62	U.S. Security Associates Inc. Through FJC Security Services Inc. Top agencies DHS (Department of Homeland Security)	$9,158,261	0.2%	Rank history: #57 in FY2021, #67 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
63	Excelsior Defense, Inc. Top agencies VA (Department of Veterans Affairs)	$8,977,960	0.2%	Rank history: #68 in FY2021, #68 in FY2022, not on the FY2024 list and #96 in FY2025; up 5 since FY2022.
64	Ahtna Professional Services, Inc. Top agencies DHS (Department of Homeland Security)	$8,949,226	0.2%	Rank history: not on the FY2021 list, #53 in FY2022, #56 in FY2024 and #46 in FY2025; down 11 since FY2022.
65	Athena Services International LLC Top agencies DHS (Department of Homeland Security)	$8,832,844	0.2%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2024 and #88 in FY2025; new.
66	Gardaworld Federal Nigeria Top agencies DOS (Department of State)	$8,745,783	0.2%	Rank history: #64 in FY2021, #59 in FY2022, #93 in FY2024 and not on the FY2025 list; down 7 since FY2022.
67	County of Sacramento Through Sacramento County Sheriffs Department Top agencies DOI (Department of the Interior)	$8,704,753	0.2%	Rank history: #78 in FY2021, #81 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
68	Aegis-Kk Security Top agencies DOS (Department of State)	$8,583,993	0.2%	Rank history: #69 in FY2021, #99 in FY2022, #71 in FY2024 and #77 in FY2025; up 31 since FY2022.
69	NV Securitas Securitas Critical Infrastructure Services Soc. Top agencies DOS (Department of State)	$7,492,783	0.2%	Rank history: #61 in FY2021, #70 in FY2022, #74 in FY2024 and #71 in FY2025; up 1 since FY2022.
70	Akima Facilities Operations LLC Top agencies AOUSC (Administrative Office of the U.S. Courts) DTRA (Defense Threat Reduction Agency)	$7,425,342	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	MSS Security PTY Limited Top agencies DOS (Department of State)	$7,382,551	0.2%	Rank history: #70 in FY2021, #73 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
72	North Texas Investors Group, Inc. Top agencies DISA (Defense Information Systems Agency) VA (Department of Veterans Affairs)	$7,328,617	0.1%	Rank history: #71 in FY2021, #47 in FY2022, #69 in FY2024 and not on the FY2025 list; down 25 since FY2022.
73	Elite Protective Services, Inc. Top agencies DHS (Department of Homeland Security)	$6,969,046	0.1%	Rank history: #50 in FY2021, #52 in FY2022 and not on the FY2024–FY2025 lists; down 21 since FY2022.
74	Defense Contracting Activity, LLC Top agencies USDA (Department of Agriculture)	$6,956,060	0.1%	Rank history: #74 in FY2021, #80 in FY2022, #81 in FY2024 and #84 in FY2025; up 6 since FY2022.
75	The Cogar Group. Ltd. Top agencies Commerce (Department of Commerce) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$6,912,983	0.1%	Rank history: #58 in FY2021, #61 in FY2022, #85 in FY2024 and #80 in FY2025; down 14 since FY2022.
76	Redcon Solutions Group LLC Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$6,339,275	0.1%	Rank history: #94 in FY2021, not on the FY2022 list, #95 in FY2024 and #91 in FY2025; up 40 since FY2022.
77	Sealaska Corporation Through Security Alliance LLC Top agencies DOS (Department of State)	$6,122,152	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Afognak Native Corporation Through Alutiiq Advanced Security Solutions LLC Top agencies DHS (Department of Homeland Security)	$6,024,525	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Simmons & Golden Security LLC Top agencies DHS (Department of Homeland Security)	$5,927,604	0.1%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2024 and #24 in FY2025; new.
80	Athena Joint Venture Services, LLC Top agencies DHS (Department of Homeland Security)	$5,813,503	0.1%	Rank history: #52 in FY2021, #48 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
81	Torres-Avarn Security LLC Top agencies DOS (Department of State)	$5,565,535	0.1%	Rank history: #83 in FY2021, #85 in FY2022, #83 in FY2024 and #83 in FY2025; up 4 since FY2022.
82	American-Paragon Protective Services LLC Top agencies NASA (National Aeronautics and Space Administration)	$5,421,096	0.1%	Rank history: #34 in FY2021, #32 in FY2022 and not on the FY2024–FY2025 lists; down 50 since FY2022.
83	C.I.V.I.S. Centro Italiano DI Vigilanza Interna E Stradale SPA Top agencies Army (Department of the Army)	$5,346,783	0.1%	Rank history: #80 in FY2021, #42 in FY2022 and not on the FY2024–FY2025 lists; down 41 since FY2022.
84	Daiwa Kensosha Co., Ltd. Top agencies DOS (Department of State)	$5,288,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2024 and not on the FY2025 list; up 27 since FY2022.
85	Securitas A S and Scis JV Top agencies DOS (Department of State)	$5,200,031	0.1%	Rank history: #82 in FY2021, #91 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
86	Controlled F.o.r.c.e Inc. Top agencies DOE (Department of Energy) Army (Department of the Army)	$5,149,444	0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2024 and not on the FY2025 list; up 76 since FY2022.
87	G4S India JV Top agencies DOS (Department of State)	$5,128,925	0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and #45 in FY2025; new.
88	Cgs-Peace Security JV LLC Top agencies DOS (Department of State)	$5,005,650	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 100 since FY2022.
89	Apsi-Centerra JV, LLC Top agencies AOUSC (Administrative Office of the U.S. Courts)	$4,958,009	0.1%	Rank history: #41 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; down 33 since FY2022.
90	Explosive Countermeasures International Inc. Top agencies Treasury (Department of the Treasury) Commerce (Department of Commerce)	$4,877,822	0.1%	Rank history: #99 in FY2021, #92 in FY2022, #88 in FY2024 and #93 in FY2025; up 2 since FY2022.
91	Elliott Security Solutions LLC Top agencies DHS (Department of Homeland Security)	$4,738,366	0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and #55 in FY2025; new.
92	Boutchantharaj Corp Top agencies DOT (Department of Transportation) DOI (Department of the Interior) Treasury (Department of the Treasury)	$4,728,777	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 59 since FY2022.
93	Westmoreland Protection Agency, Inc. Top agencies VA (Department of Veterans Affairs)	$4,386,031	0.1%	Rank history: #96 in FY2021, #84 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
94	Securitas Seguridad Espana / Scis Ute Top agencies DOS (Department of State)	$4,223,741	0.1%	Rank history: #93 in FY2021, #93 in FY2022, #100 in FY2024 and not on the FY2025 list; down 1 since FY2022.
95	Archangel Protective Services Inc. Top agencies Army (Department of the Army) DOE (Department of Energy) EPA (Environmental Protection Agency)	$3,985,197	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Reed International Inc. Top agencies Navy (Department of the Navy)	$3,838,138	0.1%	Rank history: #90 in FY2021, #90 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
97	Cape Fox Facilities Services, LLC Top agencies HHS (Department of Health and Human Services)	$3,726,523	0.1%	Rank history: not on the FY2021 list, #97 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
98	Agma Security Service Inc. Top agencies DHS (Department of Homeland Security)	$3,711,538	0.1%	Rank history: #87 in FY2021, #63 in FY2022, #92 in FY2024 and #98 in FY2025; down 35 since FY2022.
99	One Corps, Inc. Top agencies VA (Department of Veterans Affairs)	$3,623,888	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 6 since FY2022.
100	B O S Security, Inc. Top agencies DHS (Department of Homeland Security) NARA (National Archives and Records Administration)	$3,526,069	0.1%	Rank history: #79 in FY2021, #100 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.

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100 of 443 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 $4.9 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 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 S206 contractors in FY2023?

1. Securitas AB ($543M), 2. The GEO Group, Inc. ($445M), 3. Triple Canopy Inc. ($391M), 4. Omniplex World Services Corp ($308M), 5. Metropolitan Security Services, Inc. ($257M), 6. Mvm, Inc. ($235M), 7. Corecivic, Inc. ($188M), 8. G4S Holding One Inc. ($161M), 9. Covenant Aviation Security LLC ($134M), 10. Pond Security Service GMBH ($129M).

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