Top 100 Department of Transportation Contractors, FY2022

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Leidos Holdings, Inc. 11 awardees, including Leidos, Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 488111 Air Traffic Control 541512 Computer Systems Design Services	$408,799,102	5.2%	Rank history: #3 in FY2021, #2 in FY2023, #2 in FY2024 and #2 in FY2025; up 2 since FY2021.
2	Saltchuk Resources, Inc. Through Tote Services, LLC Top NAICS codes 336611 Ship Building and Repairing 483111 Deep Sea Freight Transportation	$315,585,613	4.0%	Rank history: #1 in FY2021, #41 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
3	L3Harris Technologies, Inc. 8 awardees, including Harris Corporation, Stellant Systems Inc. and L3Harris Cincinnati Electronics Corporation Top NAICS codes 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 541512 Computer Systems Design Services 541330 Engineering Services	$308,697,690	3.9%	Rank history: #2 in FY2021, #1 in FY2023, #1 in FY2024 and #1 in FY2025; down 1 since FY2021.
4	Science Applications International Corporation 7 awardees, including Engility Services, LLC Top NAICS codes 541330 Engineering Services 541513 Computer Facilities Management Services 541512 Computer Systems Design Services	$263,205,442	3.3%	Rank history: #4 in FY2021, #4 in FY2023, #4 in FY2024 and #3 in FY2025; unchanged since FY2021.
5	RTX Corporation 10 awardees, including Raytheon Company, Arinc Incorporated and Pratt & Whitney Engine Services, Inc. Top NAICS codes 541330 Engineering Services 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 541519 Other Computer Related Services	$234,487,097	3.0%	Rank history: #5 in FY2021, #5 in FY2023, #5 in FY2024 and #4 in FY2025; unchanged since FY2021.
6	Parsons Corporation Through Parsons Government Services Inc. Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541330 Engineering Services	$234,413,072	3.0%	Rank history: #6 in FY2021, #20 in FY2023, #13 in FY2024 and #13 in FY2025; unchanged since FY2021.
7	Fort Myer Construction Corp Top NAICS codes 237310 Highway, Street, and Bridge Construction	$166,326,014	2.1%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #25 in FY2025; new.
8	CDW Corporation 2 awardees, including CDW Government LLC and Sirius Federal LLC Top NAICS codes 541512 Computer Systems Design Services 334111 Electronic Computer Manufacturing 511210 Software Publishers	$156,345,163	2.0%	Rank history: #10 in FY2021, #7 in FY2023, #22 in FY2024 and not on the FY2025 list; up 2 since FY2021.
9	The Mitre Corporation Top NAICS codes 541330 Engineering Services 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541720 Research and Development in the Social Sciences and Humanities	$153,820,786	2.0%	Rank history: #7 in FY2021, #6 in FY2023, #7 in FY2024 and #8 in FY2025; down 2 since FY2021.
10	LS Technologies LLC Top NAICS codes 541330 Engineering Services 541511 Custom Computer Programming Services	$139,662,396	1.8%	Rank history: #9 in FY2021, #9 in FY2023, #33 in FY2024 and not on the FY2025 list; down 1 since FY2021.
11	General Dynamics Corporation 5 awardees, including General Dynamics Information Technology, Inc., General Dynamics Mission Systems, Inc. and Metro Machine Corp. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 811219 Other Electronic and Precision Equipment Repair and Maintenance 811213 Communication Equipment Repair and Maintenance	$104,870,112	1.3%	Rank history: #8 in FY2021, #8 in FY2023, #6 in FY2024 and #7 in FY2025; down 3 since FY2021.
12	Maymead Farms Inc. Through Maymead Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$97,959,688	1.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
13	Noblis, Inc. Top NAICS codes 541330 Engineering Services 541990 All Other Professional, Scientific, and Technical Services	$90,442,643	1.1%	Rank history: #12 in FY2021, #12 in FY2023, #11 in FY2024 and #14 in FY2025; down 1 since FY2021.
14	Appalachian Aggregates LLC 3 awardees, including H-K Contractors, Inc. and Staker & Parson Companies Top NAICS codes 237310 Highway, Street, and Bridge Construction	$80,560,196	1.0%	Rank history: not on the FY2021 list, #10 in FY2023, #49 in FY2024 and not on the FY2025 list; up 113 since FY2021.
15	Arctic Slope Regional Corporation 3 awardees, including Asrc Federal System Solutions LLC and Arctic Slope Technical Services, Inc. Top NAICS codes 541330 Engineering Services 541519 Other Computer Related Services	$65,989,023	0.8%	Rank history: #15 in FY2021, #21 in FY2023, #20 in FY2024 and #19 in FY2025; unchanged since FY2021.
16	Robinson Aviation (Rva), Inc. Top NAICS codes 488111 Air Traffic Control	$65,484,896	0.8%	Rank history: #14 in FY2021, #15 in FY2023, #14 in FY2024 and #16 in FY2025; down 2 since FY2021.
17	Tetra Tech, Inc. 3 awardees, including Advanced Management Technology, Inc. and Tetra TECH MA, Inc. Top NAICS codes 541330 Engineering Services 541611 Administrative Management and General Management Consulting Services 541519 Other Computer Related Services	$64,960,134	0.8%	Rank history: #19 in FY2021, #26 in FY2023, #10 in FY2024 and #6 in FY2025; up 2 since FY2021.
18	Stratacomm, LLC Top NAICS codes 541810 Advertising Agencies	$59,558,534	0.8%	Rank history: #17 in FY2021, #17 in FY2023, #16 in FY2024 and #18 in FY2025; down 1 since FY2021.
19	Karsun Solutions LLC Top NAICS codes 541519 Other Computer Related Services	$58,851,107	0.7%	Rank history: #13 in FY2021, #16 in FY2023, #17 in FY2024 and #17 in FY2025; down 6 since FY2021.
20	Midwest Air Traffic Control Service Inc. 2 awardees Top NAICS codes 488111 Air Traffic Control	$56,385,094	0.7%	Rank history: #18 in FY2021, #19 in FY2023, #15 in FY2024 and #20 in FY2025; down 2 since FY2021.
21	Dell Federal Systems L.P. 3 awardees Top NAICS codes 541519 Other Computer Related Services	$51,447,787	0.7%	Rank history: #22 in FY2021, #22 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2021.
22	Honeywell International Inc. 11 awardees Top NAICS codes 236220 Commercial and Institutional Building Construction 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541330 Engineering Services	$51,203,582	0.6%	Rank history: #98 in FY2021, not on the FY2023–FY2024 lists and #26 in FY2025; up 76 since FY2021.
23	M.a. Deatley Construction, Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$50,330,061	0.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
24	General Dynamics Information Technology, Inc. Top NAICS codes 811213 Communication Equipment Repair and Maintenance 541512 Computer Systems Design Services 541330 Engineering Services	$49,547,274	0.6%	Rank history: not on the FY2021 list, #82 in FY2023 and not on the FY2024–FY2025 lists; up 149 since FY2021.
25	Crowley Maritime Corporation Through Crowley Government Services, Inc. Top NAICS codes 336611 Ship Building and Repairing	$48,331,663	0.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
26	Oftedal Construction, Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$47,027,269	0.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
27	Booz Allen Hamilton Holding Corporation 2 awardees, including Booz Allen Hamilton Inc. Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541611 Administrative Management and General Management Consulting Services 541512 Computer Systems Design Services	$46,257,668	0.6%	Rank history: #27 in FY2021, #31 in FY2023, #28 in FY2024 and #41 in FY2025; unchanged since FY2021.
28	Estes Bros. Const. Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$45,824,053	0.6%	Rank history: #16 in FY2021, #35 in FY2023, #23 in FY2024 and #34 in FY2025; down 12 since FY2021.
29	Oasis Systems, LLC Top NAICS codes 541330 Engineering Services	$43,853,380	0.6%	Rank history: #39 in FY2021, #27 in FY2023, #31 in FY2024 and not on the FY2025 list; up 10 since FY2021.
30	Spatial Front Inc. Top NAICS codes 541511 Custom Computer Programming Services 541519 Other Computer Related Services 541611 Administrative Management and General Management Consulting Services	$41,932,431	0.5%	Rank history: #32 in FY2021 and not on the FY2023–FY2025 lists; up 2 since FY2021.
31	Harris Corporation	$39,544,406	0.5%	Rank history: #60 in FY2021 and not on the FY2023–FY2025 lists; up 29 since FY2021.
32	Serco North America (Holdings) Inc Through Serco Inc. Top NAICS codes 488111 Air Traffic Control	$39,204,670	0.5%	Rank history: #24 in FY2021, #37 in FY2023 and not on the FY2024–FY2025 lists; down 8 since FY2021.
33	Steve Manning Construction Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$38,439,251	0.5%	Rank history: not on the FY2021 list, #18 in FY2023, #43 in FY2024 and #31 in FY2025; up 71 since FY2021.
34	Jetcraft Corporation 2 awardees Top NAICS codes 441228 Motorcycle, ATV, and All Other Motor Vehicle Dealers	$38,060,000	0.5%	Rank history: not on the FY2021 list, #83 in FY2023 and not on the FY2024–FY2025 lists; new.
35	H.i.g. Capital Management Inc. 2 awardees, including Iron Bow Technologies, LLC and Symplicity Corporation Top NAICS codes 334111 Electronic Computer Manufacturing 541519 Other Computer Related Services 517911 Telecommunications Resellers	$34,993,144	0.4%	Rank history: #68 in FY2021, #36 in FY2023, #55 in FY2024 and not on the FY2025 list; up 33 since FY2021.
36	Granite Construction Incorporated 2 awardees, including Intermountain Slurry Seal, Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$34,687,904	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 176 since FY2021.
37	Kohler Co. Top NAICS codes 335312 Motor and Generator Manufacturing	$34,684,995	0.4%	Rank history: #84 in FY2021, #63 in FY2023 and not on the FY2024–FY2025 lists; up 47 since FY2021.
38	Changeis, Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541519 Other Computer Related Services 541611 Administrative Management and General Management Consulting Services	$34,284,059	0.4%	Rank history: #30 in FY2021, #39 in FY2023, #38 in FY2024 and #57 in FY2025; down 8 since FY2021.
39	Lockheed Martin Corporation 5 awardees, including Lockheed Martin Services, LLC, Zeta Associates Inc. and Lockheed Martin Procerus Technologies, L.C. Top NAICS codes 541330 Engineering Services 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334419 Other Electronic Component Manufacturing	$33,723,911	0.4%	Rank history: #25 in FY2021, #46 in FY2023, #42 in FY2024 and #52 in FY2025; down 14 since FY2021.
40	Tucci & Sons LLC Top NAICS codes 237310 Highway, Street, and Bridge Construction	$31,550,521	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
41	Concept Solutions LLC Top NAICS codes 541511 Custom Computer Programming Services 541990 All Other Professional, Scientific, and Technical Services	$31,053,231	0.4%	Rank history: #34 in FY2021, #25 in FY2023, #26 in FY2024 and #28 in FY2025; down 7 since FY2021.
42	Red River Technology LLC 2 awardees, including Distributed Technology Group LLC Top NAICS codes 334111 Electronic Computer Manufacturing 541519 Other Computer Related Services 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers	$30,870,401	0.4%	Rank history: #72 in FY2021, #65 in FY2023 and not on the FY2024–FY2025 lists; up 30 since FY2021.
43	Kbr, Inc. 4 awardees, including KBR Wyle Services, LLC Top NAICS codes 541330 Engineering Services 561621 Security Systems Services (except Locksmiths) 541611 Administrative Management and General Management Consulting Services	$30,399,583	0.4%	Rank history: #20 in FY2021, #58 in FY2023, #82 in FY2024 and not on the FY2025 list; down 23 since FY2021.
44	Guidehouse Inc. 3 awardees Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$30,230,855	0.4%	Rank history: #88 in FY2021, #30 in FY2023 and not on the FY2024–FY2025 lists; up 44 since FY2021.
45	Crowley Government Services Inc. 2 awardees Top NAICS codes 336611 Ship Building and Repairing	$30,117,057	0.4%	Rank history: not on the FY2021 list, #3 in FY2023 and not on the FY2024–FY2025 lists; new.
46	Vannoy Structural Joint Venture Top NAICS codes 237310 Highway, Street, and Bridge Construction	$28,646,909	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
47	A3 Technology Inc. Top NAICS codes 541330 Engineering Services	$28,291,025	0.4%	Rank history: #33 in FY2021, #53 in FY2023, #39 in FY2024 and #49 in FY2025; down 14 since FY2021.
48	LPC Contractors Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$27,076,862	0.3%	Rank history: not on the FY2021 list, #14 in FY2023 and not on the FY2024–FY2025 lists; new.
49	Conway Construction Co Top NAICS codes 237310 Highway, Street, and Bridge Construction	$26,465,480	0.3%	Rank history: #79 in FY2021 and not on the FY2023–FY2025 lists; up 30 since FY2021.
50	VSS International Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$26,370,816	0.3%	Rank history: not on the FY2021 list, not on the FY2023 list, #98 in FY2024 and not on the FY2025 list; new.
51	Wells Global, LLC Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$26,201,689	0.3%	Rank history: #49 in FY2021, #24 in FY2023, #69 in FY2024 and #38 in FY2025; down 2 since FY2021.
52	Veracity Engineering LLC Top NAICS codes 541330 Engineering Services	$25,949,795	0.3%	Rank history: #26 in FY2021, #33 in FY2023, #21 in FY2024 and #30 in FY2025; down 26 since FY2021.
53	Ernst & Young LLP Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$25,913,437	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
54	AECOM 6 awardees, including AECOM Technical Services, Inc., Amentum Environment & Energy, Inc. and Amentum Technical Services LLC Top NAICS codes 541330 Engineering Services 562910 Remediation Services 561720 Janitorial Services	$25,465,632	0.3%	Rank history: #77 in FY2021 and not on the FY2023–FY2025 lists; up 23 since FY2021.
55	Grant Leading Technology LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services 238990 All Other Specialty Trade Contractors	$24,531,741	0.3%	Rank history: not on the FY2021 list, #78 in FY2023, #72 in FY2024 and not on the FY2025 list; up 58 since FY2021.
56	Evans Incorporated Top NAICS codes 541330 Engineering Services	$24,272,837	0.3%	Rank history: #35 in FY2021, #68 in FY2023, #61 in FY2024 and #72 in FY2025; down 21 since FY2021.
57	Halvik LLC Top NAICS codes 541511 Custom Computer Programming Services 541330 Engineering Services	$23,841,198	0.3%	Rank history: #41 in FY2021, #50 in FY2023, #47 in FY2024 and not on the FY2025 list; down 16 since FY2021.
58	Language Line LLC Through Senture LLC Top NAICS codes 541519 Other Computer Related Services	$22,860,238	0.3%	Rank history: not on the FY2021 list, #57 in FY2023 and not on the FY2024–FY2025 lists; new.
59	Microtechnologies LLC Top NAICS codes 541512 Computer Systems Design Services	$22,589,980	0.3%	Rank history: #54 in FY2021, #52 in FY2023, #36 in FY2024 and #43 in FY2025; down 5 since FY2021.
60	Groundswell Corporation Top NAICS codes 541512 Computer Systems Design Services	$22,525,453	0.3%	Rank history: #62 in FY2021, not on the FY2023 list, #52 in FY2024 and #68 in FY2025; up 2 since FY2021.
61	Vaisala OYJ 2 awardees, including Vaisala Inc. Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables	$22,071,271	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 41 since FY2021.
62	At&T Inc. 7 awardees, including At&T Enterprises, LLC, Att Mobility LLC and At&T Technical Services Company, Inc. Top NAICS codes 517110 Wired Telecommunications Carriers 517312 Wireless Telecommunications Carriers (except Satellite) 541519 Other Computer Related Services	$21,944,398	0.3%	Rank history: #82 in FY2021, #54 in FY2023 and not on the FY2024–FY2025 lists; up 20 since FY2021.
63	Bryant's Land and Development Industries, Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$21,265,524	0.3%	Rank history: #46 in FY2021, #66 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2021.
64	Brice Civil Constructors, Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$21,050,126	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
65	KLD Associates Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$19,908,928	0.3%	Rank history: #86 in FY2021, #49 in FY2023, #40 in FY2024 and #53 in FY2025; up 21 since FY2021.
66	Jacobs Engineering Group Inc. 7 awardees, including Jacobs Project Management Co and Ch2M Hill, Inc. Top NAICS codes 541330 Engineering Services	$19,600,302	0.2%	Rank history: #28 in FY2021, #34 in FY2023 and not on the FY2024–FY2025 lists; down 38 since FY2021.
67	Atac Top NAICS codes 541512 Computer Systems Design Services 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$19,554,543	0.2%	Rank history: #42 in FY2021 and not on the FY2023–FY2025 lists; down 25 since FY2021.
68	Cavan Solutions Inc. Top NAICS codes 541330 Engineering Services 541611 Administrative Management and General Management Consulting Services	$18,870,831	0.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #70 in FY2024 and #64 in FY2025; up 76 since FY2021.
69	Sentinel Power Services, LLC Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$18,457,456	0.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #93 in FY2024 and #93 in FY2025; up 120 since FY2021.
70	Transportation Research Center Inc. Top NAICS codes 541380 Testing Laboratories and Services	$18,337,648	0.2%	Rank history: #43 in FY2021, #40 in FY2023, #46 in FY2024 and #67 in FY2025; down 27 since FY2021.
71	Cssi, LLC Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541330 Engineering Services 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$17,944,197	0.2%	Rank history: #65 in FY2021 and not on the FY2023–FY2025 lists; down 6 since FY2021.
72	ICF International, Inc. 3 awardees, including ICF Incorporated, L.L.C. and Incentive Technology Group LLC Top NAICS codes 541330 Engineering Services 541611 Administrative Management and General Management Consulting Services 541513 Computer Facilities Management Services	$17,715,722	0.2%	Rank history: #40 in FY2021 and not on the FY2023–FY2025 lists; down 32 since FY2021.
73	Enroute Computer Solutions Inc. Through Sunhillo Technical Services Corp Top NAICS codes 541519 Other Computer Related Services	$17,300,895	0.2%	Rank history: #44 in FY2021, #73 in FY2023 and not on the FY2024–FY2025 lists; down 29 since FY2021.
74	Regulus Group, LLC Top NAICS codes 541330 Engineering Services	$17,153,676	0.2%	Rank history: not on the FY2021 list, #64 in FY2023, #54 in FY2024 and #51 in FY2025; up 27 since FY2021.
75	Natives of Kodiak, Incorporated Through Stormwater Plans, LLC Top NAICS codes 237310 Highway, Street, and Bridge Construction	$17,063,186	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
76	Pacific Layberthing South, LLC Top NAICS codes 488390 Other Support Activities for Water Transportation	$16,875,965	0.2%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #96 in FY2025; up 110 since FY2021.
77	Atkins Nuclear Secured Holdings Corporation 3 awardees, including Atkins North America, Inc., Atkinsrealis USA Inc. and Atkinsrealis USA Management LLC Top NAICS codes 541330 Engineering Services 541310 Architectural Services 541611 Administrative Management and General Management Consulting Services	$16,671,181	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 75 since FY2021.
78	Bering Straits Native Corporation 3 awardees, including Bering Global Solutions, LLC Top NAICS codes 561612 Security Guards and Patrol Services	$16,552,047	0.2%	Rank history: #61 in FY2021, #77 in FY2023, not on the FY2024 list and #75 in FY2025; down 17 since FY2021.
79	Ensco Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541720 Research and Development in the Social Sciences and Humanities	$16,326,145	0.2%	Rank history: #64 in FY2021, #32 in FY2023, #51 in FY2024 and #45 in FY2025; down 15 since FY2021.
80	Rigil Corporation Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541519 Other Computer Related Services 541219 Other Accounting Services	$15,849,854	0.2%	Rank history: #47 in FY2021 and not on the FY2023–FY2025 lists; down 33 since FY2021.
81	Summit Materials, Inc. Through Kilgore Companies, LLC Top NAICS codes 237310 Highway, Street, and Bridge Construction	$15,783,674	0.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #62 in FY2024 and not on the FY2025 list; new.
82	Business Integra Technology Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$15,774,226	0.2%	Rank history: #66 in FY2021 and not on the FY2023–FY2025 lists; down 16 since FY2021.
83	Network Designs, Inc. Top NAICS codes 541511 Custom Computer Programming Services 541611 Administrative Management and General Management Consulting Services	$15,707,413	0.2%	Rank history: #53 in FY2021 and not on the FY2023–FY2025 lists; down 30 since FY2021.
84	JMA Solutions LLC Top NAICS codes 541330 Engineering Services 541511 Custom Computer Programming Services 921190 Other General Government Support	$15,302,289	0.2%	Rank history: #55 in FY2021 and not on the FY2023–FY2025 lists; down 29 since FY2021.
85	Alliant Insurance Services, Inc. Top NAICS codes 524210 Insurance Agencies and Brokerages 524298 All Other Insurance Related Activities	$14,986,263	0.2%	Rank history: #63 in FY2021, not on the FY2023 list, #64 in FY2024 and #91 in FY2025; down 22 since FY2021.
86	Ceccanti, Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$14,788,963	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
87	Digitalibiz, LLC Top NAICS codes 541330 Engineering Services	$14,680,787	0.2%	Rank history: #37 in FY2021 and not on the FY2023–FY2025 lists; down 50 since FY2021.
88	Nice Systems Ltd. Top NAICS codes 512290 Other Sound Recording Industries	$14,401,361	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 44 since FY2021.
89	Eaton Corporation 2 awardees Top NAICS codes 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing 811219 Other Electronic and Precision Equipment Repair and Maintenance 335311 Power, Distribution, and Specialty Transformer Manufacturing	$14,241,092	0.2%	Rank history: #71 in FY2021, #92 in FY2023, not on the FY2024 list and #82 in FY2025; down 18 since FY2021.
90	Central Southern Construction Corp. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$14,186,280	0.2%	Rank history: not on the FY2021 list, #75 in FY2023, not on the FY2024 list and #22 in FY2025; up 85 since FY2021.
91	JC & Associates Property Management Group Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$14,170,510	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
92	Cusa Consulting LLC Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$14,031,748	0.2%	Rank history: not on the FY2021 list, #48 in FY2023, #57 in FY2024 and not on the FY2025 list; up 20 since FY2021.
93	Northrop Grumman Corporation 3 awardees, including Northrop Grumman Systems Corporation Top NAICS codes 811219 Other Electronic and Precision Equipment Repair and Maintenance 811213 Communication Equipment Repair and Maintenance 517919 All Other Telecommunications	$13,849,508	0.2%	Rank history: #50 in FY2021, #44 in FY2023, #65 in FY2024 and not on the FY2025 list; down 43 since FY2021.
94	Herman Miller Inc. 2 awardees, including Millerknoll Inc. and Knoll, Inc. Top NAICS codes 561210 Facilities Support Services 337214 Office Furniture (except Wood) Manufacturing	$13,795,558	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
95	Nira Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541330 Engineering Services	$13,761,518	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
96	Advanced Sciences and Technologies, LLC Top NAICS codes 541330 Engineering Services	$13,659,970	0.2%	Rank history: #56 in FY2021, #88 in FY2023, #97 in FY2024 and not on the FY2025 list; down 40 since FY2021.
97	Hat Creek Construction & Materials, Inc. Top NAICS codes 237310 Highway, Street, and Bridge Construction	$13,654,006	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 43 since FY2021.
98	The Ibex Group Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$13,442,056	0.2%	Rank history: #83 in FY2021 and not on the FY2023–FY2025 lists; down 15 since FY2021.
99	Nuclear Ship Support Services LLC Top NAICS codes 562910 Remediation Services	$13,085,914	0.2%	Rank history: #21 in FY2021 and not on the FY2023–FY2025 lists; down 78 since FY2021.
100	Cexec, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541511 Custom Computer Programming Services	$12,942,979	0.2%	Rank history: not on the FY2021 list, #79 in FY2023 and not on the FY2024–FY2025 lists; up 17 since FY2021.

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 $7.88 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 2022 ran Oct 1, 2021 – Sep 30, 2022. 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 FY2021. "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 FY2021 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