Top 100 Contractors in NAICS 5411: Legal Services, FY2023

Name: Top 100 Contractors in NAICS 5411: Legal Services, FY2023
Creator: GovTribe

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

The top 10 won 66% of FY2023 NAICS 5411 contract dollars

Contract obligations: $1,043,271,858 Net of deobligations, by contracts coded NAICS 5411 or a code under it
Contractors: 1,077 Parent companies with an obligation
Largest contractor: Vera Institute of Justice, Inc. $271 million, 23.3% 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	Vera Institute of Justice, Inc. Top agencies HHS (Department of Health and Human Services)	$270,820,894	23.3%	Rank history: #1 in FY2021, #1 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
2	Science Applications International Corporation Through Forfeiture Support Associates LLC Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) USDA (Department of Agriculture)	$122,619,495	10.5%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2024 and #2 in FY2025; unchanged since FY2022.
3	U.s. Committee for Refugees and Immigrants, Inc. Top agencies HHS (Department of Health and Human Services)	$77,788,700	6.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
4	CACI International Inc. 2 awardees, including Caci, LLC - Commercial Top agencies DOJ (Department of Justice)	$63,951,602	5.5%	Rank history: #3 in FY2021, #13 in FY2022, #12 in FY2024 and #3 in FY2025; up 9 since FY2022.
5	Altegrity, Inc. Through PAE Labat-Anderson LLC Top agencies DOJ (Department of Justice)	$60,100,865	5.2%	Rank history: #4 in FY2021, #3 in FY2022, #30 in FY2024 and not on the FY2025 list; down 2 since FY2022.
6	Acacia Center for Justice Top agencies DOJ (Department of Justice)	$50,520,512	4.3%	Rank history: not on the FY2021 list, #5 in FY2022, #1 in FY2024 and #1 in FY2025; down 1 since FY2022.
7	Deloitte LLP 3 awardees, including Deloitte Financial Advisory Services LLP and Deloitte & Touche LLP Top agencies DOJ (Department of Justice) Navy (Department of the Navy) Army (Department of the Army)	$50,108,386	4.3%	Rank history: #6 in FY2021, #7 in FY2022, #5 in FY2024 and #6 in FY2025; unchanged since FY2022.
8	Hunton Andrews Kurth LLP Top agencies HUD (Department of Housing and Urban Development) DFC (International Development Finance Corporation) MCC (Millennium Challenge Corporation)	$38,759,579	3.3%	Rank history: #85 in FY2021, #17 in FY2022, #22 in FY2024 and not on the FY2025 list; up 9 since FY2022.
9	Leidos Holdings, Inc. 3 awardees, including Leidos, Inc. Top agencies DOJ (Department of Justice) USAF (Department of the Air Force)	$22,565,948	1.9%	Rank history: #5 in FY2021, #8 in FY2022, #6 in FY2024 and #5 in FY2025; down 1 since FY2022.
10	Myrevelations LLC Top agencies VA (Department of Veterans Affairs)	$14,489,914	1.2%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2024 and #8 in FY2025; new.
11	John J. YIM & Associates, LLC Top agencies SBA (Small Business Administration) USDA (Department of Agriculture) HHS (Department of Health and Human Services)	$13,415,163	1.2%	Rank history: #14 in FY2021, #10 in FY2022, #7 in FY2024 and #9 in FY2025; down 1 since FY2022.
12	Lifecare, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) NSF (National Science Foundation)	$11,932,372	1.0%	Rank history: #15 in FY2021, #15 in FY2022, #9 in FY2024 and not on the FY2025 list; up 3 since FY2022.
13	Cornerstone Research Inc. Top agencies DOJ (Department of Justice)	$9,695,627	0.8%	Rank history: not on the FY2021 list, #80 in FY2022, #16 in FY2024 and not on the FY2025 list; up 67 since FY2022.
14	The Brattle Group Inc 2 awardees Top agencies DOJ (Department of Justice) CFTC (Commodity Futures Trading Commission) DOE (Department of Energy)	$9,192,506	0.8%	Rank history: not on the FY2021 list, #12 in FY2022, #21 in FY2024 and #10 in FY2025; down 2 since FY2022.
15	Analysis Group Inc. Top agencies DOJ (Department of Justice) CFPB (Consumer Financial Protection Bureau) SEC (Securities and Exchange Commission)	$7,998,922	0.7%	Rank history: #12 in FY2021, #11 in FY2022, #14 in FY2024 and #12 in FY2025; down 4 since FY2022.
16	Berkeley Research Group, LLC Top agencies DOJ (Department of Justice)	$7,839,418	0.7%	Rank history: #49 in FY2021, #70 in FY2022, #19 in FY2024 and #40 in FY2025; up 54 since FY2022.
17	The Gilchrist Law Firm, P.a. Top agencies USDA (Department of Agriculture) WHS (DOD Washington Headquarters Service) USAGM (US Agency for Global Media)	$7,158,829	0.6%	Rank history: #75 in FY2021, #62 in FY2022, #63 in FY2024 and #82 in FY2025; up 45 since FY2022.
18	Leydig, Voit & Mayer, Ltd. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$6,594,610	0.6%	Rank history: #13 in FY2021, #16 in FY2022, #25 in FY2024 and #15 in FY2025; down 2 since FY2022.
19	Bates White, LLC Top agencies DOJ (Department of Justice)	$5,790,991	0.5%	Rank history: not on the FY2021 list, #19 in FY2022, #20 in FY2024 and #11 in FY2025; unchanged since FY2022.
20	Infoedge Technology, Inc. Top agencies DOS (Department of State)	$5,510,000	0.5%	Rank history: #11 in FY2021, #14 in FY2022, #13 in FY2024 and #25 in FY2025; down 6 since FY2022.
21	Caci, LLC - Commercial Top agencies DOJ (Department of Justice)	$4,929,968	0.4%	Rank history: #16 in FY2021, #4 in FY2022, #3 in FY2024 and not on the FY2025 list; down 17 since FY2022.
22	Industrial Economics Inc. Top agencies DOJ (Department of Justice)	$4,884,165	0.4%	Rank history: #23 in FY2021, #36 in FY2022, #34 in FY2024 and #68 in FY2025; up 14 since FY2022.
23	Allen & Overy LLP Top agencies DOE (Department of Energy) Commerce (Department of Commerce) EXIM (Export Import Bank of the US)	$4,725,656	0.4%	Rank history: #41 in FY2021, #23 in FY2022, #42 in FY2024 and not on the FY2025 list; unchanged since FY2022.
24	Stephens Millirons Professional Corp Top agencies USDA (Department of Agriculture)	$4,415,165	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	Litcon Group LLC 2 awardees Top agencies DOJ (Department of Justice) DOS (Department of State) Navy (Department of the Navy)	$4,169,372	0.4%	Rank history: #26 in FY2021, #29 in FY2022, #65 in FY2024 and #61 in FY2025; up 4 since FY2022.
26	Klarquist Sparkman, LLP Top agencies HHS (Department of Health and Human Services)	$4,071,809	0.3%	Rank history: #18 in FY2021, #26 in FY2022, #35 in FY2024 and #18 in FY2025; unchanged since FY2022.
27	Beacon Group, LLC Top agencies DOJ (Department of Justice) DOT (Department of Transportation) Navy (Department of the Navy)	$3,760,394	0.3%	Rank history: #44 in FY2021, #42 in FY2022, #77 in FY2024 and not on the FY2025 list; up 15 since FY2022.
28	Norton Rose Fulbright US LLP 2 awardees Top agencies DOE (Department of Energy) EPA (Environmental Protection Agency) DFC (International Development Finance Corporation)	$3,549,804	0.3%	Rank history: #34 in FY2021, not on the FY2022 list, #39 in FY2024 and #38 in FY2025; returned.
29	Stout Risius Ross, LLC Top agencies DOJ (Department of Justice) HHS (Department of Health and Human Services)	$3,171,001	0.3%	Rank history: #25 in FY2021, #22 in FY2022, #69 in FY2024 and #29 in FY2025; down 7 since FY2022.
30	Document Technologies, LLC 2 awardees, including Garden City Group, LLC and Epiq Class Action & Claims Solutions, Inc. Top agencies DOJ (Department of Justice)	$3,140,706	0.3%	Rank history: #32 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
31	Morgan, Angel, Brigham & Associates L.L.C. Top agencies DOJ (Department of Justice)	$2,724,606	0.2%	Rank history: #21 in FY2021, #24 in FY2022, #29 in FY2024 and #22 in FY2025; down 7 since FY2022.
32	Morrison & Foerster LLP Top agencies DFC (International Development Finance Corporation)	$2,636,341	0.2%	Rank history: #64 in FY2021, #21 in FY2022, #32 in FY2024 and #14 in FY2025; down 11 since FY2022.
33	Ballard Spahr LLP Top agencies VA (Department of Veterans Affairs)	$2,585,435	0.2%	Rank history: not on the FY2021 list, #25 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
34	Blackfish Federal LLC Top agencies DOJ (Department of Justice)	$2,432,502	0.2%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2024 and #90 in FY2025; new.
35	Gordian Litigation Solutions Group, Inc. Top agencies USAF (Department of the Air Force)	$2,308,995	0.2%	Rank history: #19 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
36	ABZ Inc. Top agencies DOJ (Department of Justice)	$2,292,302	0.2%	Rank history: #48 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
37	Secretariat Economists LLC Top agencies DOJ (Department of Justice)	$2,115,061	0.2%	Rank history: #38 in FY2021, #46 in FY2022, #48 in FY2024 and not on the FY2025 list; up 9 since FY2022.
38	Womble Bond Dickinson US LLP Top agencies DFC (International Development Finance Corporation)	$2,094,172	0.2%	Rank history: #45 in FY2021, #52 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
39	O'riordan Bethel Law Firm, LLP (The) Top agencies CFPB (Consumer Financial Protection Bureau)	$2,027,023	0.2%	Rank history: not on the FY2021 list, #40 in FY2022, #46 in FY2024 and not on the FY2025 list; up 1 since FY2022.
40	Proxy Personnel LLC Top agencies EOP (Executive Office of the President)	$1,946,685	0.2%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and not on the FY2025 list; new.
41	The Austin Group LLC Top agencies DOJ (Department of Justice)	$1,858,332	0.2%	Rank history: #30 in FY2021, #38 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
42	Exponent Inc. 2 awardees Top agencies DOJ (Department of Justice)	$1,808,332	0.2%	Rank history: #72 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 98 since FY2022.
43	Guidehouse Inc. Top agencies DOS (Department of State)	$1,751,990	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
44	FTI Consulting, Inc. 2 awardees, including Compass Lexecon LLC Top agencies DOJ (Department of Justice)	$1,692,764	0.1%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2024 and #30 in FY2025; new.
45	Arnold & Porter Kaye Scholer LLP Top agencies Treasury (Department of the Treasury)	$1,679,036	0.1%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2024 and #28 in FY2025; new.
46	Kingstonville, LLC Top agencies DOJ (Department of Justice)	$1,670,957	0.1%	Rank history: #51 in FY2021, #45 in FY2022, #75 in FY2024 and #49 in FY2025; down 1 since FY2022.
47	J.s. Held LLC Top agencies DOJ (Department of Justice)	$1,634,124	0.1%	Rank history: #92 in FY2021, #30 in FY2022, not on the FY2024 list and #89 in FY2025; down 17 since FY2022.
48	Sikich CPA LLC Top agencies DCMA (Defense Contract Management Agency) DOJ (Department of Justice)	$1,616,435	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #47 in FY2025; up 244 since FY2022.
49	Justice In Aging Top agencies HHS (Department of Health and Human Services)	$1,578,520	0.1%	Rank history: #43 in FY2021, #41 in FY2022, #54 in FY2024 and #39 in FY2025; down 8 since FY2022.
50	Wright Water Engineers, Inc. Top agencies DOJ (Department of Justice)	$1,559,636	0.1%	Rank history: #58 in FY2021, not on the FY2022 list, #55 in FY2024 and #44 in FY2025; up 348 since FY2022.
51	Debevoise & Plimpton LLP Top agencies DHS (Department of Homeland Security)	$1,500,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
52	Gradco LLC Top agencies DOJ (Department of Justice)	$1,438,571	0.1%	Rank history: #90 in FY2021, #71 in FY2022 and not on the FY2024–FY2025 lists; up 19 since FY2022.
53	Mayer Brown LLP Top agencies DFC (International Development Finance Corporation)	$1,380,101	0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and #20 in FY2025; up 146 since FY2022.
54	Global Patent Solutions L.L.C. Top agencies Commerce (Department of Commerce)	$1,378,196	0.1%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2024 and not on the FY2025 list; new.
55	Computershare Inc. Through Gilardi & Co., LLC Top agencies DOJ (Department of Justice)	$1,334,321	0.1%	Rank history: #33 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
56	Union Station Venture, Ltd. Through JLL Valuation & Advisory Services, LLC Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury)	$1,264,200	0.1%	Rank history: not on the FY2021 list, #34 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
57	Keystone Strategy LLC Top agencies DOJ (Department of Justice)	$1,262,152	0.1%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2024 and #13 in FY2025; new.
58	The Whitener Group LLC Top agencies DOI (Department of the Interior)	$1,255,891	0.1%	Rank history: not on the FY2021 list, #48 in FY2022, #60 in FY2024 and #48 in FY2025; down 10 since FY2022.
59	Katmai Resource Management LLC Top agencies DOJ (Department of Justice)	$1,249,536	0.1%	Rank history: not on the FY2021 list, #54 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
60	Crb-Pls, LLC Top agencies Army (Department of the Army)	$1,176,270	0.1%	Rank history: #89 in FY2021, not on the FY2022 list, not on the FY2024 list and #19 in FY2025; returned.
61	Natural Resources Consulting Engineers, Inc. Top agencies DOJ (Department of Justice)	$1,158,058	0.1%	Rank history: #46 in FY2021, #91 in FY2022, #45 in FY2024 and #65 in FY2025; up 30 since FY2022.
62	Skadden Arps Slate Meagher & Flom LLP Top agencies DOE (Department of Energy)	$1,152,258	0.1%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2024 and not on the FY2025 list; new.
63	Southwest Research Institute Through Signature Science LLC Top agencies DOJ (Department of Justice)	$1,145,170	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
64	Clifford Chance Rogers & Wells LLP 2 awardees, including Clifford Chance US LLP Top agencies Commerce (Department of Commerce) DFC (International Development Finance Corporation) EPA (Environmental Protection Agency)	$1,134,263	0.1%	Rank history: #95 in FY2021, not on the FY2022 list, #81 in FY2024 and not on the FY2025 list; up 80 since FY2022.
65	S.s. Papadopulos & Associates, Inc. Top agencies DOJ (Department of Justice)	$1,105,366	0.1%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2024 and not on the FY2025 list; new.
66	Kleinschmidt Associates Top agencies DOJ (Department of Justice)	$1,096,578	0.1%	Rank history: not on the FY2021 list, #78 in FY2022 and not on the FY2024–FY2025 lists; up 12 since FY2022.
67	Pat Taylor & Associates Inc. Top agencies PBGC (Pension Benefit Guaranty Corporation) ED (Department of Education) CSB (Chemical Safety and Hazard Investigation Board)	$1,077,345	0.1%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2024 and #63 in FY2025; up 55 since FY2022.
68	Stetson Engineers Inc. Top agencies DOJ (Department of Justice)	$1,052,676	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #80 in FY2025; up 124 since FY2022.
69	CRA International, Inc. Top agencies DOJ (Department of Justice) DOE (Department of Energy) CFPB (Consumer Financial Protection Bureau)	$984,409	0.1%	Rank history: #60 in FY2021, #18 in FY2022, #83 in FY2024 and not on the FY2025 list; down 51 since FY2022.
70	Tiger Law, PLLC Top agencies DOI (Department of the Interior)	$981,688	0.1%	Rank history: not on the FY2021 list, #61 in FY2022, not on the FY2024 list and #58 in FY2025; down 9 since FY2022.
71	Environmental Research Incorporated Top agencies DOJ (Department of Justice)	$978,119	0.1%	Rank history: not on the FY2021 list, #64 in FY2022, #56 in FY2024 and not on the FY2025 list; down 7 since FY2022.
72	ICF International, Inc. Through ICF Incorporated, L.L.C. Top agencies DOJ (Department of Justice)	$963,096	0.1%	Rank history: not on the FY2021 list, #59 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
73	Marchenko Partnerz, TOV Top agencies EXIM (Export Import Bank of the US)	$950,000	0.1%	Rank history: not on the FY2021 list, #57 in FY2022, not on the FY2024 list and #73 in FY2025; down 16 since FY2022.
74	Wolf Water Resources Inc. Top agencies DOJ (Department of Justice)	$934,710	0.1%	Rank history: #22 in FY2021, #68 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
75	Aufrance Valuations, LLC Top agencies DOJ (Department of Justice)	$925,000	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #75 in FY2025; up 240 since FY2022.
76	The Osage Co, L.l.c Top agencies DOI (Department of the Interior)	$895,799	0.1%	Rank history: not on the FY2021 list, #67 in FY2022, #76 in FY2024 and #51 in FY2025; down 9 since FY2022.
77	Mcdonnell Boehnen Hulbert & Berghoff LLP Top agencies HHS (Department of Health and Human Services)	$892,445	0.1%	Rank history: #71 in FY2021, #66 in FY2022, not on the FY2024 list and #59 in FY2025; down 11 since FY2022.
78	Capital Project Management, Inc. Top agencies DOJ (Department of Justice)	$890,968	0.1%	Rank history: #42 in FY2021, not on the FY2022 list, not on the FY2024 list and #100 in FY2025; up 236 since FY2022.
79	Park Dietz & Associates, LLC Top agencies DOJ (Department of Justice)	$884,463	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 141 since FY2022.
80	Core Legal Concepts, LLC Top agencies DOJ (Department of Justice)	$882,736	0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2024 and #83 in FY2025; new.
81	Myers and Stauffer LC Top agencies DOJ (Department of Justice)	$869,602	0.1%	Rank history: #36 in FY2021, not on the FY2022 list, #68 in FY2024 and #92 in FY2025; up 253 since FY2022.
82	GRA Inc. Top agencies DOJ (Department of Justice)	$837,287	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Venable LLP Top agencies HUD (Department of Housing and Urban Development)	$832,580	0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2024 and not on the FY2025 list; new.
84	Brubaker & Associates, Inc. Top agencies USAF (Department of the Air Force)	$816,250	0.1%	Rank history: not on the FY2021 list, #69 in FY2022, not on the FY2024 list and #79 in FY2025; down 15 since FY2022.
85	Montagu Partners LLC Top agencies DFC (International Development Finance Corporation)	$815,318	0.1%	Rank history: not on the FY2021 list, #98 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
86	Chess Consulting LLC Top agencies DOJ (Department of Justice)	$805,471	0.1%	Rank history: #84 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 22 since FY2022.
87	Cherokee Nation Through Cherokee Federal Solutions, L.L.C. Top agencies DOJ (Department of Justice)	$805,210	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Brock & Scott PLLC Top agencies USDA (Department of Agriculture)	$776,827	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	Missouri State of Through State of Missouri Commission On Human Rights Top agencies EEOC (Equal Employment Opportunity Commission)	$765,300	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	System One Holdings, LLC Through Gap Solutions, Inc. Top agencies CFPB (Consumer Financial Protection Bureau)	$763,156	0.1%	Rank history: not on the FY2021 list, #89 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
91	Baker Tilly Virchow Krause LLP Through Baker Tilly Beers & Cutler LLC Top agencies Army (Department of the Army)	$750,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	Jams, Inc. Top agencies DOJ (Department of Justice) SEC (Securities and Exchange Commission) DOL (Department of Labor)	$741,201	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 103 since FY2022.
93	Focus Litigation Consulting LLC Top agencies SEC (Securities and Exchange Commission)	$737,913	0.1%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2024 and #81 in FY2025; new.
94	Shearman & Sterling LLP Top agencies EPA (Environmental Protection Agency) DOE (Department of Energy) DFC (International Development Finance Corporation)	$707,653	0.1%	Rank history: #53 in FY2021, #77 in FY2022, #26 in FY2024 and not on the FY2025 list; down 17 since FY2022.
95	Koniag, Inc. Through Kadiak LLC Top agencies DOI (Department of the Interior)	$706,681	0.1%	Rank history: #70 in FY2021, not on the FY2022 list, not on the FY2024 list and #74 in FY2025; up 33 since FY2022.
96	Hammons Andre Diane Top agencies DOI (Department of the Interior)	$697,850	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #76 in FY2025; up 11 since FY2022.
97	Mcbee Moore & Vanik IP, LLC Top agencies HHS (Department of Health and Human Services)	$692,961	0.1%	Rank history: #78 in FY2021, #58 in FY2022 and not on the FY2024–FY2025 lists; down 39 since FY2022.
98	Thomson Reuters (Tax & Accounting) Inc. Through West Publishing Corporation Top agencies DOT (Department of Transportation) MSPB (Merit Systems Protection Board) DOE (Department of Energy)	$677,400	0.1%	Rank history: not on the FY2021 list, #95 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
99	Nishimura & Asahi (Gaikokuho Kyodo Jigyo) Top agencies DOS (Department of State)	$673,872	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 168 since FY2022.
100	IA Group B.V. Top agencies EXIM (Export Import Bank of the US)	$672,927	0.1%	Rank history: #86 in FY2021, #53 in FY2022, not on the FY2024 list and #69 in FY2025; down 47 since FY2022.

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100 of 1,077 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 5411

Code	Net obligations	Largest contractor
54119 Other Legal Services	$631,333,137	Science Applications International Corporation
54111 Offices of Lawyers	$411,927,021	Vera Institute of Justice, Inc.

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 $1.16 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 NAICS 5411 contractors in FY2023?

1. Vera Institute of Justice, Inc. ($271M), 2. Science Applications International Corporation ($123M), 3. U.s. Committee for Refugees and Immigrants, Inc. ($77.8M), 4. CACI International Inc. ($64M), 5. Altegrity, Inc. ($60.1M), 6. Acacia Center for Justice ($50.5M), 7. Deloitte LLP ($50.1M), 8. Hunton Andrews Kurth LLP ($38.8M), 9. Leidos Holdings, Inc. ($22.6M), 10. Myrevelations LLC ($14.5M).

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