Top 100 Contractors in PSC V999: Other Transportation Travel and Relocation Services, FY2023

Name: Top 100 Contractors in PSC V999: Other Transportation Travel and Relocation Services, FY2023
Creator: GovTribe

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

The top 10 won 63% of FY2023 PSC V999 contract dollars

Contract obligations: $275,439,768 Net of deobligations, by contracts coded PSC V999
Contractors: 284 Parent companies with an obligation
Largest contractor: ISS Action Inc. $61.4 million, 19.6% 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	ISS Action Inc. Top agencies DHS (Department of Homeland Security)	$61,445,486	19.6%	Rank history: #1 in FY2021, #3 in FY2022, #2 in FY2024 and #4 in FY2025; up 2 since FY2022.
2	Culmen International, LLC Top agencies DTRA (Defense Threat Reduction Agency)	$41,948,776	13.4%	Rank history: #4 in FY2021, #4 in FY2022, #8 in FY2024 and #5 in FY2025; up 2 since FY2022.
3	Trailboss Enterprises, Inc. Top agencies DHS (Department of Homeland Security)	$34,972,200	11.2%	Rank history: not on the FY2021 list, #5 in FY2022, #1 in FY2024 and #1 in FY2025; up 2 since FY2022.
4	Bradsher, James E Top agencies VA (Department of Veterans Affairs)	$16,453,612	5.3%	Rank history: #8 in FY2021, #9 in FY2022, #6 in FY2024 and #7 in FY2025; up 5 since FY2022.
5	Washington Metropolitan Area Transit Authority Top agencies DOT (Department of Transportation) Treasury (Department of the Treasury) VA (Department of Veterans Affairs)	$12,366,582	3.9%	Rank history: not on the FY2021 list, #10 in FY2022, #5 in FY2024 and #2 in FY2025; up 5 since FY2022.
6	Bollore Transport & Logistics RDC SA Through Africa Global Logistics Mocambique, S.A Top agencies USAID (US Agency for International Development)	$9,390,086	3.0%	Rank history: #58 in FY2021, #13 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
7	Louis Berger U.S. Inc. Through VGS Aircraft Services, Inc. Top agencies USAF (Department of the Air Force)	$6,230,529	2.0%	Rank history: #6 in FY2021, #8 in FY2022, #10 in FY2024 and not on the FY2025 list; up 1 since FY2022.
8	C2G, Ltd Co. Top agencies USAF (Department of the Air Force)	$4,839,036	1.5%	Rank history: #9 in FY2021, #11 in FY2022, #13 in FY2024 and #12 in FY2025; up 3 since FY2022.
9	Wheelchair Transport Service, Inc. Top agencies VA (Department of Veterans Affairs)	$4,555,275	1.5%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2024 and #14 in FY2025; new.
10	Brymak & Associates, Inc. Top agencies DHS (Department of Homeland Security)	$3,783,958	1.2%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2024 and #9 in FY2025; new.
11	KTS Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$3,618,012	1.2%	Rank history: #20 in FY2021, #15 in FY2022, #12 in FY2024 and not on the FY2025 list; up 4 since FY2022.
12	East Coast Flight Services Inc. Top agencies DOT (Department of Transportation)	$3,507,008	1.1%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2024 and #56 in FY2025; new.
13	Textron Inc. Through Textron Aviation Defense LLC Top agencies USAF (Department of the Air Force)	$3,149,770	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
14	Medshore Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$3,065,213	1.0%	Rank history: #3 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
15	CW Government Travel Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) DOL (Department of Labor)	$3,013,644	1.0%	Rank history: #15 in FY2021, #2 in FY2022, #22 in FY2024 and #23 in FY2025; down 13 since FY2022.
16	Trax International Corporation Top agencies USAF (Department of the Air Force)	$2,665,440	0.9%	Rank history: #14 in FY2021, #16 in FY2022, #16 in FY2024 and #20 in FY2025; unchanged since FY2022.
17	SAP America Inc Through Concur Technologies, Inc. Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) EXIM (Export Import Bank of the US)	$2,479,820	0.8%	Rank history: #18 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
18	Water Authority Busan Metropolitan City Korea Through Korea Railroad Corporation Seoul Branch Top agencies Army (Department of the Army)	$2,318,097	0.7%	Rank history: #57 in FY2021, #17 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
19	Fedex Corp 2 awardees, including Federal Express Corporation Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs) DOT (Department of Transportation)	$2,001,800	0.6%	Rank history: #47 in FY2021, not on the FY2022 list, #98 in FY2024 and not on the FY2025 list; returned.
20	L-J-L Trucking, Inc. Top agencies VA (Department of Veterans Affairs)	$1,910,754	0.6%	Rank history: #36 in FY2021, #26 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
21	Navarre Corporation 2 awardees Top agencies VA (Department of Veterans Affairs)	$1,877,982	0.6%	Rank history: #7 in FY2021, #18 in FY2022, #19 in FY2024 and #18 in FY2025; down 3 since FY2022.
22	Transportation Solution Services LLC Top agencies VA (Department of Veterans Affairs)	$1,846,404	0.6%	Rank history: #34 in FY2021, #31 in FY2022, #27 in FY2024 and #19 in FY2025; up 9 since FY2022.
23	Office Design Group, Inc. Top agencies VA (Department of Veterans Affairs)	$1,808,133	0.6%	Rank history: #50 in FY2021, #38 in FY2022, #43 in FY2024 and #62 in FY2025; up 15 since FY2022.
24	RG Talent Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$1,766,970	0.6%	Rank history: #25 in FY2021, #35 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
25	Summit Fleet Management, LLC Top agencies USDA (Department of Agriculture)	$1,540,718	0.5%	Rank history: not on the FY2021 list, #39 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
26	Carl E. F.endley JR. Top agencies VA (Department of Veterans Affairs)	$1,536,237	0.5%	Rank history: #24 in FY2021, #27 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
27	United Freight Services LLC Top agencies DOI (Department of the Interior)	$1,479,000	0.5%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and not on the FY2025 list; new.
28	Parking Veterans Inc. Top agencies VA (Department of Veterans Affairs)	$1,461,641	0.5%	Rank history: #27 in FY2021, #64 in FY2022, #34 in FY2024 and #47 in FY2025; up 36 since FY2022.
29	IO Environmental and Infrastructure Incorporated Top agencies VA (Department of Veterans Affairs)	$1,399,710	0.4%	Rank history: #28 in FY2021, #21 in FY2022, #17 in FY2024 and not on the FY2025 list; down 8 since FY2022.
30	Concur Technologies Inc. Top agencies PBGC (Pension Benefit Guaranty Corporation) DHS (Department of Homeland Security) DOE (Department of Energy)	$1,384,165	0.4%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2024 and #15 in FY2025; new.
31	Rockville District Partners, LLC Top agencies Navy (Department of the Navy)	$1,348,774	0.4%	Rank history: #48 in FY2021, #42 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
32	R.S. Logistical Solutions Ltd 2 awardees Top agencies USAF (Department of the Air Force)	$1,312,149	0.4%	Rank history: #53 in FY2021, #52 in FY2022, #33 in FY2024 and #29 in FY2025; up 20 since FY2022.
33	Assisted Transportation Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,299,058	0.4%	Rank history: #37 in FY2021, #23 in FY2022, #44 in FY2024 and not on the FY2025 list; down 10 since FY2022.
34	Integrated Maintenance and Bus Services LLC Top agencies VA (Department of Veterans Affairs)	$1,291,950	0.4%	Rank history: #29 in FY2021, #33 in FY2022, #47 in FY2024 and #30 in FY2025; down 1 since FY2022.
35	Union Station Venture, Ltd. 2 awardees, including Jones Lang Lasalle Americas, Inc. Top agencies HHS (Department of Health and Human Services)	$1,200,008	0.4%	Rank history: #10 in FY2021, #34 in FY2022, #14 in FY2024 and #46 in FY2025; down 1 since FY2022.
36	I & L FMS Top agencies DHS (Department of Homeland Security)	$1,108,440	0.4%	Rank history: #11 in FY2021, #14 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
37	Community Pastor Care LLC Top agencies VA (Department of Veterans Affairs)	$1,080,919	0.3%	Rank history: #19 in FY2021, #47 in FY2022, #26 in FY2024 and #33 in FY2025; up 10 since FY2022.
38	Vetpride Services, Inc. Top agencies VA (Department of Veterans Affairs)	$1,054,539	0.3%	Rank history: #30 in FY2021, #40 in FY2022, #31 in FY2024 and #31 in FY2025; up 2 since FY2022.
39	Bestpass Inc. Top agencies Army (Department of the Army) WHS (DOD Washington Headquarters Service) DLA (Defense Logistics Agency)	$1,017,993	0.3%	Rank history: #79 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 115 since FY2022.
40	International Organization for Migration Top agencies DHS (Department of Homeland Security)	$938,065	0.3%	Rank history: #51 in FY2021, #46 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
41	Sidem LLC Top agencies DOI (Department of the Interior)	$899,971	0.3%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and not on the FY2025 list; new.
42	Prolog Inc Top agencies USAF (Department of the Air Force)	$873,463	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
43	K & V Limousine Service LLC Top agencies Commerce (Department of Commerce)	$828,358	0.3%	Rank history: #52 in FY2021, #44 in FY2022, #40 in FY2024 and #42 in FY2025; up 1 since FY2022.
44	K & M Hubbard Enterprise LLC Top agencies HHS (Department of Health and Human Services)	$736,929	0.2%	Rank history: #61 in FY2021, #53 in FY2022, #58 in FY2024 and not on the FY2025 list; up 9 since FY2022.
45	CC & C Management Services LLC Top agencies VA (Department of Veterans Affairs)	$720,017	0.2%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and #38 in FY2025; new.
46	New York City of Through City of New York Top agencies DOJ (Department of Justice) Navy (Department of the Navy) Treasury (Department of the Treasury)	$681,101	0.2%	Rank history: #26 in FY2021, #29 in FY2022, #50 in FY2024 and #53 in FY2025; down 17 since FY2022.
47	Fedwriters, Inc. Top agencies PBGC (Pension Benefit Guaranty Corporation)	$648,940	0.2%	Rank history: not on the FY2021 list, #54 in FY2022, #42 in FY2024 and #43 in FY2025; up 7 since FY2022.
48	2A LLC Top agencies Navy (Department of the Navy)	$628,265	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	The Boeing Company Through Jeppesen Foreflight, Inc. Top agencies DOJ (Department of Justice)	$608,952	0.2%	Rank history: not on the FY2021 list, #55 in FY2022, #65 in FY2024 and #37 in FY2025; up 6 since FY2022.
50	Inflight Medical Services International, Inc. Top agencies DOJ (Department of Justice)	$576,035	0.2%	Rank history: #82 in FY2021, #59 in FY2022, #48 in FY2024 and #50 in FY2025; up 9 since FY2022.
51	Goldspring Consulting LLC Top agencies DOT (Department of Transportation)	$575,736	0.2%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and not on the FY2025 list; new.
52	Adtrav Corp Top agencies DFC (International Development Finance Corporation) DOE (Department of Energy)	$565,755	0.2%	Rank history: #78 in FY2021, #75 in FY2022, #61 in FY2024 and #74 in FY2025; up 23 since FY2022.
53	The Siegel Group, LLC Top agencies Army (Department of the Army)	$561,955	0.2%	Rank history: #60 in FY2021, #63 in FY2022, #62 in FY2024 and not on the FY2025 list; up 10 since FY2022.
54	K & K Auto Body, Garage, & Truck Service, Inc. Top agencies VA (Department of Veterans Affairs)	$533,524	0.2%	Rank history: #39 in FY2021, #51 in FY2022, #54 in FY2024 and #66 in FY2025; down 3 since FY2022.
55	RTX Corporation Through Raytheon Company Top agencies MDA (DOD Missile Defense Agency)	$500,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2024 and #6 in FY2025; new.
56	LPA Logistics LLC Top agencies USDA (Department of Agriculture)	$433,403	0.1%	Rank history: #54 in FY2021, #57 in FY2022, #55 in FY2024 and not on the FY2025 list; up 1 since FY2022.
57	Airwest Helicopters LLC Top agencies HHS (Department of Health and Human Services)	$430,000	0.1%	Rank history: #72 in FY2021, not on the FY2022 list, #67 in FY2024 and not on the FY2025 list; up 47 since FY2022.
58	United Parcel Service Inc. Top agencies DOJ (Department of Justice) DOT (Department of Transportation)	$428,452	0.1%	Rank history: #49 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
59	Edenred Commuter Benefit Solutions LLC Through Edenred Benefits LLC Top agencies HHS (Department of Health and Human Services) DOT (Department of Transportation)	$425,791	0.1%	Rank history: #69 in FY2021, #58 in FY2022, #57 in FY2024 and not on the FY2025 list; down 1 since FY2022.
60	Elite Aluminum Corp Top agencies VA (Department of Veterans Affairs)	$370,750	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
61	Windstorm, Inc. Top agencies DHS (Department of Homeland Security)	$363,746	0.1%	Rank history: not on the FY2021 list, #22 in FY2022 and not on the FY2024–FY2025 lists; down 39 since FY2022.
62	The Alamo Travel Group, L.P. Top agencies DOS (Department of State)	$345,249	0.1%	Rank history: not on the FY2021 list, #37 in FY2022 and not on the FY2024–FY2025 lists; down 25 since FY2022.
63	Vision Information Technology Consultants, LLC Top agencies USAF (Department of the Air Force)	$334,111	0.1%	Rank history: #42 in FY2021, #43 in FY2022 and not on the FY2024–FY2025 lists; down 20 since FY2022.
64	MHM Services, Inc. Top agencies Army (Department of the Army)	$305,561	0.1%	Rank history: #38 in FY2021, #48 in FY2022 and not on the FY2024–FY2025 lists; down 16 since FY2022.
65	Mercury Air Group, Inc. Through Maytag Aircraft LLC Top agencies USAF (Department of the Air Force)	$305,171	0.1%	Rank history: #80 in FY2021, #81 in FY2022, #74 in FY2024 and not on the FY2025 list; up 16 since FY2022.
66	DS Designs LLC Top agencies DOI (Department of the Interior)	$303,330	0.1%	Rank history: not on the FY2021 list, #66 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
67	Falcon Logistics Company Top agencies DOS (Department of State)	$294,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	Montech Inc. Top agencies USAF (Department of the Air Force)	$284,574	0.1%	Rank history: #74 in FY2021, #71 in FY2022, #68 in FY2024 and #63 in FY2025; up 3 since FY2022.
69	Glory Enterprise, Inc. Top agencies VA (Department of Veterans Affairs)	$283,595	0.1%	Rank history: #70 in FY2021, #72 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
70	High Performance Helicopters Corp Top agencies USDA (Department of Agriculture)	$251,680	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Medex Medical Transport Service Inc. Top agencies VA (Department of Veterans Affairs)	$237,503	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	Jai-Alexia Consulting Inc. Top agencies VA (Department of Veterans Affairs)	$231,832	0.1%	Rank history: #81 in FY2021, #78 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
73	Bolt Quality Control Assurance & Restoration Services LLC Top agencies VA (Department of Veterans Affairs)	$225,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2024 and #65 in FY2025; new.
74	New Jersey Turnpike Authority Top agencies DOJ (Department of Justice) Navy (Department of the Navy)	$222,607	0.1%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2024 and #72 in FY2025; new.
75	Greyhound Lines Inc. 2 awardees Top agencies DOJ (Department of Justice)	$219,762	0.1%	Rank history: #56 in FY2021, #69 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
76	Bekins Moving Solutions Inc. Top agencies DHS (Department of Homeland Security)	$219,190	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	UEI TCYRWMWG7LS5 Top agencies DOJ (Department of Justice)	$214,960	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Trans Marine Limited Top agencies Navy (Department of the Navy)	$199,120	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	DD Enterprises, Inc. Top agencies FTC (Federal Trade Commission)	$192,700	0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #76 in FY2024 and #76 in FY2025; up 1 since FY2022.
80	AZ Hammer Down, LLC Top agencies Army (Department of the Army)	$190,842	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
81	Flix North America Inc. Top agencies DOJ (Department of Justice)	$185,512	0.1%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2024 and #48 in FY2025; new.
82	Courier Corporation of Hawaii Top agencies VA (Department of Veterans Affairs)	$178,826	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Apmi Group Inc Top agencies DHS (Department of Homeland Security)	$175,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2024 and not on the FY2025 list; new.
84	Rojac Trucking Inc. Top agencies DOI (Department of the Interior)	$172,462	0.1%	Rank history: not on the FY2021 list, #61 in FY2022 and not on the FY2024–FY2025 lists; down 23 since FY2022.
85	Steambridge Inc. Top agencies Navy (Department of the Navy)	$171,235	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	ACS Logistics LLC Top agencies Navy (Department of the Navy)	$167,540	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
87	State of Florida Through Florida Department of Transportation Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DHS (Department of Homeland Security)	$162,882	0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and #92 in FY2025; up 53 since FY2022.
88	BAE Systems PLC Through BAE Systems Information and Electronic Systems Integration Inc. Top agencies USAF (Department of the Air Force)	$162,250	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	Crosstown Courier Service Inc. Top agencies VA (Department of Veterans Affairs)	$160,357	0.1%	Rank history: #76 in FY2021, #67 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
90	Genuine Cable Group LLC Through MNX Global Logistics Corp Top agencies HHS (Department of Health and Human Services)	$153,745	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Gosselin Mobiliti Moskva OOO 2 awardees, including Gosselin Mobility Moscow LLC and Gosselin Mobiliti Ukraena DP Top agencies DOS (Department of State)	$146,577	<0.1%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2024 and not on the FY2025 list; new.
92	SJS Executives LLC Top agencies VA (Department of Veterans Affairs)	$146,536	<0.1%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2024 and #87 in FY2025; new.
93	Air Charter Service Inc. Top agencies DOJ (Department of Justice)	$144,537	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 65 since FY2022.
94	Duro Health LLC Top agencies USAF (Department of the Air Force)	$141,533	<0.1%	Rank history: not on the FY2021 list, #88 in FY2022, #86 in FY2024 and not on the FY2025 list; down 6 since FY2022.
95	Atelier 4, LLC Top agencies DOS (Department of State)	$135,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Zegler, LLC Top agencies VA (Department of Veterans Affairs)	$132,000	<0.1%	Rank history: #87 in FY2021, #84 in FY2022, #92 in FY2024 and #86 in FY2025; down 12 since FY2022.
97	North Carolina State Port Authority Top agencies Navy (Department of the Navy)	$128,205	<0.1%	Rank history: not on the FY2021 list, #94 in FY2022, #99 in FY2024 and not on the FY2025 list; down 3 since FY2022.
98	Niko Marine Transportation Co., Ltd Top agencies Navy (Department of the Navy)	$126,391	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #75 in FY2025; up 29 since FY2022.
99	Elizabeth River Crossings Opco, LLC Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$125,234	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Santa FE Relocation Service GES.M.B.H. Top agencies DOS (Department of State)	$123,988	<0.1%	Rank history: #71 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.

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100 of 284 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 $313 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 V999 contractors in FY2023?

1. ISS Action Inc. ($61.4M), 2. Culmen International, LLC ($41.9M), 3. Trailboss Enterprises, Inc. ($35M), 4. Bradsher, James E ($16.5M), 5. Washington Metropolitan Area Transit Authority ($12.4M), 6. Bollore Transport & Logistics RDC SA ($9.39M), 7. Louis Berger U.S. Inc. ($6.23M), 8. C2G, Ltd Co. ($4.84M), 9. Wheelchair Transport Service, Inc. ($4.56M), 10. Brymak & Associates, Inc. ($3.78M).

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