Top 100 Contractors in NAICS 541211: Offices of Certified Public Accountants, FY2021

Name: Top 100 Contractors in NAICS 541211: Offices of Certified Public Accountants, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 86% of FY2021 NAICS 541211 contract dollars

Contract obligations: $1,049,456,427 Net of deobligations, by contracts coded NAICS 541211
Contractors: 124 Parent companies with an obligation
Largest contractor: Ernst & Young LLP $348 million, 31.6% 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	Ernst & Young LLP 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$347,918,533	31.6%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	Kpmg L.L.P. 3 awardees Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) Army (Department of the Army)	$267,139,285	24.2%	Rank history: #2 in FY2022, #3 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since FY2020.
3	Kearney & Company, P.C. Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services) DHRA (Defense Human Resources Activity)	$119,177,400	10.8%	Rank history: #4 in FY2022, #4 in FY2023, #5 in FY2024 and not on the FY2025 list; unchanged since FY2020.
4	Deloitte LLP 2 awardees, including Deloitte & Touche LLP Top agencies USAF (Department of the Air Force) DSCA (Defense Security Cooperation Agency) DHA (Defense Health Agency)	$111,375,057	10.1%	Rank history: #3 in FY2022, #2 in FY2023, #3 in FY2024 and #4 in FY2025; up 2 since FY2020.
5	Myers and Stauffer LC Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$27,615,112	2.5%	Rank history: #9 in FY2022, #9 in FY2023, #25 in FY2024 and #9 in FY2025; up 2 since FY2020.
6	CBE Group Inc. the 2 awardees Top agencies Treasury (Department of the Treasury)	$27,325,619	2.5%	Rank history: #5 in FY2022, #5 in FY2023, #6 in FY2024 and #5 in FY2025; up 2 since FY2020.
7	Williams, Adley & Company DC LLP Top agencies HUD (Department of Housing and Urban Development) SBA (Small Business Administration) DFAS (Defense Finance and Accounting Service)	$13,397,542	1.2%	Rank history: #12 in FY2022, #8 in FY2023, #8 in FY2024 and #8 in FY2025; up 14 since FY2020.
8	Conrad LLP Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) USAID (US Agency for International Development)	$11,759,549	1.1%	Rank history: #6 in FY2022, #6 in FY2023, #7 in FY2024 and #6 in FY2025; up 1 since FY2020.
9	Sikich CPA LLC Top agencies USAF (Department of the Air Force) GAO (Government Accountability Office) DOJ (Department of Justice)	$11,167,953	1.0%	Rank history: #8 in FY2022, #10 in FY2023, #10 in FY2024 and #7 in FY2025; up 1 since FY2020.
10	Hamilton Enterprises, LLC Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice) Commerce (Department of Commerce)	$7,721,269	0.7%	Rank history: #10 in FY2022, #11 in FY2023, #17 in FY2024 and #11 in FY2025; up 13 since FY2020.
11	David-James LLC Top agencies HHS (Department of Health and Human Services)	$7,713,997	0.7%	Rank history: #11 in FY2022, #12 in FY2023, #13 in FY2024 and #18 in FY2025; up 24 since FY2020.
12	Lewis & Ellis, LLC Top agencies HHS (Department of Health and Human Services)	$7,611,359	0.7%	Rank history: #13 in FY2022, #21 in FY2023, #29 in FY2024 and not on the FY2025 list; up 3 since FY2020.
13	Deloitte & Touche LLP Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$6,697,408	0.6%	Rank history: #40 in FY2022 and not on the FY2023–FY2025 lists; up 7 since FY2020.
14	Booth Management Consulting, LLC Top agencies DOE (Department of Energy) SSA (Social Security Administration) DOI (Department of the Interior)	$6,193,177	0.6%	Rank history: #16 in FY2022, #16 in FY2023, #30 in FY2024 and not on the FY2025 list; up 4 since FY2020.
15	Bland & Associates PC Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$6,033,243	0.5%	Rank history: #19 in FY2022, #28 in FY2023, #32 in FY2024 and #19 in FY2025; up 12 since FY2020.
16	Saint George Consulting Inc. Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) Navy (Department of the Navy)	$5,712,050	0.5%	Rank history: #21 in FY2022, #15 in FY2023, #16 in FY2024 and #14 in FY2025; up 127 since FY2020.
17	Cohnreznick LLP Top agencies DOE (Department of Energy) HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$5,618,679	0.5%	Rank history: #7 in FY2022, #7 in FY2023, #11 in FY2024 and #15 in FY2025; down 1 since FY2020.
18	Reed & Associates, Cpas, Inc. Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$5,068,669	0.5%	Rank history: #15 in FY2022, #20 in FY2023, #20 in FY2024 and #16 in FY2025; up 1 since FY2020.
19	Larsonallen LLP Through Cliftonlarsonallen LLP Top agencies HUD (Department of Housing and Urban Development) CNCS (Corporation for National and Community Service)	$4,448,183	0.4%	Rank history: #18 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
20	Guidehouse Inc. Top agencies DOJ (Department of Justice)	$3,956,862	0.4%	Rank history: not on the FY2022–FY2025 lists; down 7 since FY2020.
21	Lani EKO & Company, Cpas, PLLC Top agencies USAID (US Agency for International Development) Treasury (Department of the Treasury) FCC (Federal Communications Commission)	$3,467,614	0.3%	Rank history: #24 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
22	Kingstonville-Mercadien JV LLC Top agencies SBA (Small Business Administration)	$3,311,666	0.3%	Rank history: #22 in FY2022, #26 in FY2023, #27 in FY2024 and #31 in FY2025; up 3 since FY2020.
23	Davis Farr LLP Top agencies HHS (Department of Health and Human Services) DCAA (Defense Contract Audit Agency) USDA (Department of Agriculture)	$3,185,329	0.3%	Rank history: #17 in FY2022, #18 in FY2023, #21 in FY2024 and #21 in FY2025; down 6 since FY2020.
24	Sehlke Consulting LLC Top agencies USSOCOM (United States Special Operations Command) Navy (Department of the Navy)	$2,843,212	0.3%	Rank history: #31 in FY2022, #25 in FY2023, #58 in FY2024 and not on the FY2025 list; down 12 since FY2020.
25	Tichenor & Associates, LLP Top agencies USAID (US Agency for International Development) USDA (Department of Agriculture) DOT (Department of Transportation)	$2,739,837	0.2%	Rank history: #55 in FY2022, #37 in FY2023, #23 in FY2024 and #27 in FY2025; up 13 since FY2020.
26	Gka, P.C. Top agencies USAID (US Agency for International Development) Treasury (Department of the Treasury) EOP (Executive Office of the President)	$2,731,397	0.2%	Rank history: #23 in FY2022, #30 in FY2023, #41 in FY2024 and #48 in FY2025; up 2 since FY2020.
27	Brsi, LP Top agencies DHA (Defense Health Agency)	$2,221,376	0.2%	Rank history: #27 in FY2022, #19 in FY2023, #42 in FY2024 and not on the FY2025 list; up 5 since FY2020.
28	Harper Rains Knight & Co Pa Top agencies DOL (Department of Labor) SSA (Social Security Administration) EEOC (Equal Employment Opportunity Commission)	$2,181,447	0.2%	Rank history: #26 in FY2022, #29 in FY2023, #24 in FY2024 and #20 in FY2025; up 2 since FY2020.
29	Francis Awoyera & Associates, P.C Top agencies HUD (Department of Housing and Urban Development)	$1,961,054	0.2%	Rank history: #29 in FY2022, #35 in FY2023, #33 in FY2024 and #51 in FY2025; unchanged since FY2020.
30	TFC Consulting Inc. Top agencies DOT (Department of Transportation)	$1,912,021	0.2%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; up 24 since FY2020.
31	RMW Associates, LLC Top agencies DOT (Department of Transportation)	$1,863,462	0.2%	Rank history: #35 in FY2022 and not on the FY2023–FY2025 lists; up 29 since FY2020.
32	Premier Group Services Inc. Top agencies HUD (Department of Housing and Urban Development) Commerce (Department of Commerce) SBA (Small Business Administration)	$1,770,744	0.2%	Rank history: #25 in FY2022, #32 in FY2023, #18 in FY2024 and #56 in FY2025; up 2 since FY2020.
33	Regis & Associates, PC Top agencies DOL (Department of Labor) NASA (National Aeronautics and Space Administration)	$1,640,444	0.1%	Rank history: #28 in FY2022, #36 in FY2023, #59 in FY2024 and #78 in FY2025; up 9 since FY2020.
34	Hamilton Samlin Milligan, LLC Top agencies DOT (Department of Transportation)	$1,606,617	0.1%	Rank history: #39 in FY2022 and not on the FY2023–FY2025 lists; up 11 since FY2020.
35	Mathematica Inc Top agencies HHS (Department of Health and Human Services)	$1,484,306	0.1%	Rank history: #34 in FY2022, #14 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
36	Tuba Group, Inc. Top agencies DOT (Department of Transportation)	$1,468,024	0.1%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; up 15 since FY2020.
37	Alexton Incorporated Top agencies DOE (Department of Energy)	$1,204,438	0.1%	Rank history: #37 in FY2022, #39 in FY2023 and not on the FY2024–FY2025 lists; up 52 since FY2020.
38	Covice Tax Solutions LLC Top agencies DLA (Defense Logistics Agency)	$1,000,000	0.1%	Rank history: #33 in FY2022, #17 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
39	RMA Associates LLC Top agencies DODIG (Department of Defense Inspector General) PCLOB (Privacy and Civil Liberties Oversight Board) FTC (Federal Trade Commission)	$887,474	0.1%	Rank history: #30 in FY2022, #34 in FY2023, #38 in FY2024 and #53 in FY2025; up 2 since FY2020.
40	Principle Information Technology Company Top agencies USAF (Department of the Air Force) DOI (Department of the Interior) Navy (Department of the Navy)	$845,874	0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
41	Elitebco LLC Top agencies HUD (Department of Housing and Urban Development)	$800,000	0.1%	Rank history: #45 in FY2022, not on the FY2023 list, #40 in FY2024 and #30 in FY2025; up 9 since FY2020.
42	Brown & Co Certified Public Accountants & Management Consultants PLLC Top agencies EOP (Executive Office of the President) FEC (Federal Election Commission) FTC (Federal Trade Commission)	$784,387	0.1%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; up 13 since FY2020.
43	Castro & Company, LLC Top agencies NASA (National Aeronautics and Space Administration)	$722,548	0.1%	Rank history: #36 in FY2022, #40 in FY2023, #34 in FY2024 and #24 in FY2025; up 18 since FY2020.
44	Empirical Corporation Top agencies HHS (Department of Health and Human Services)	$686,843	0.1%	Rank history: #48 in FY2022, #48 in FY2023, #51 in FY2024 and #50 in FY2025; up 8 since FY2020.
45	Intelipath Services Group Inc. Top agencies Treasury (Department of the Treasury)	$646,526	0.1%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; up 12 since FY2020.
46	Saggar & Rosenberg, P.C. Top agencies Treasury (Department of the Treasury)	$632,678	0.1%	Rank history: #57 in FY2022, #41 in FY2023, #49 in FY2024 and #25 in FY2025; new, not ranked in FY2020.
47	Ollie Green & Co, Cpa's, LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$597,192	0.1%	Rank history: #53 in FY2022, #47 in FY2023, #35 in FY2024 and #38 in FY2025; up 15 since FY2020.
48	Integrated Financial Engineering Inc. Top agencies HUD (Department of Housing and Urban Development) CFPB (Consumer Financial Protection Bureau)	$587,345	0.1%	Rank history: #50 in FY2022, #57 in FY2023, #62 in FY2024 and not on the FY2025 list; up 20 since FY2020.
49	Key & Associates PC Top agencies DOL (Department of Labor)	$554,774	0.1%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; up 39 since FY2020.
50	Kapilamukamal, LLP Top agencies SEC (Securities and Exchange Commission)	$472,909	<0.1%	Rank history: #62 in FY2022, #75 in FY2023, #57 in FY2024 and #39 in FY2025; up 19 since FY2020.
51	Dt-Trak Consulting, Inc. Top agencies HHS (Department of Health and Human Services)	$456,444	<0.1%	Rank history: #51 in FY2022, #69 in FY2023, #66 in FY2024 and #49 in FY2025; up 13 since FY2020.
52	Simpson and Simpson LLP Top agencies USDA (Department of Agriculture)	$449,259	<0.1%	Rank history: #54 in FY2022, #55 in FY2023, #52 in FY2024 and not on the FY2025 list; up 14 since FY2020.
53	Erluke Consulting LLC Top agencies Army (Department of the Army)	$448,642	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
54	Jaybro Group LLC Top agencies DOJ (Department of Justice) USDA (Department of Agriculture)	$395,986	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
55	2Ndwave LLC Top agencies Treasury (Department of the Treasury)	$359,495	<0.1%	Rank history: #60 in FY2022, #59 in FY2023, #60 in FY2024 and not on the FY2025 list; up 12 since FY2020.
56	RM Advisory Services, LLC Top agencies DOS (Department of State)	$345,734	<0.1%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; up 14 since FY2020.
57	Gentech Associates Inc. Top agencies Commerce (Department of Commerce)	$333,550	<0.1%	Rank history: #63 in FY2022 and not on the FY2023–FY2025 lists; up 15 since FY2020.
58	Harris Group Services, Inc. Top agencies HHS (Department of Health and Human Services)	$301,010	<0.1%	Rank history: not on the FY2022–FY2023 lists, #99 in FY2024 and #75 in FY2025; up 28 since FY2020.
59	RT Mccalpin & Associates LLC Top agencies Commerce (Department of Commerce)	$297,168	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
60	Alvarez & Marsal Holdings LLC Through Alvarez & Marsal Disputes and Investigations, LLC Top agencies SEC (Securities and Exchange Commission)	$297,100	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Dembo Jones, P.C. Top agencies FLRA (Federal Labor Relations Authority) FMC (Federal Maritime Commission)	$252,481	<0.1%	Rank history: #65 in FY2022, #64 in FY2023, #68 in FY2024 and #55 in FY2025; up 48 since FY2020.
62	Deva & Associates PC Top agencies NRC (Nuclear Regulatory Commission) DOT (Department of Transportation)	$248,822	<0.1%	Rank history: #56 in FY2022, #73 in FY2023, #98 in FY2024 and #57 in FY2025; down 23 since FY2020.
63	Jones and Company Professional Corporation Top agencies DOT (Department of Transportation) DOI (Department of the Interior)	$248,515	<0.1%	Rank history: #66 in FY2022, not on the FY2023 list, #89 in FY2024 and #54 in FY2025; down 4 since FY2020.
64	SB & Company, LLC Top agencies Denali Commission USDA (Department of Agriculture) EPA (Environmental Protection Agency)	$200,717	<0.1%	Rank history: #75 in FY2022, #76 in FY2023, #73 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
65	The DMP Group, LLC Top agencies USAID (US Agency for International Development)	$181,940	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 18 since FY2020.
66	Harshwal & Company, LLP Top agencies DOI (Department of the Interior)	$179,330	<0.1%	Rank history: #98 in FY2022, #77 in FY2023 and not on the FY2024–FY2025 lists; up 29 since FY2020.
67	Robert Pastena Top agencies DOJ (Department of Justice)	$174,910	<0.1%	Rank history: #72 in FY2022, #71 in FY2023 and not on the FY2024–FY2025 lists; up 10 since FY2020.
68	Personal Group Incorporated Top agencies HHS (Department of Health and Human Services)	$155,973	<0.1%	Rank history: #47 in FY2022, not on the FY2023 list, #46 in FY2024 and #62 in FY2025; up 10 since FY2020.
69	Merove-Pierre Cabinet D'experts-Comptables Top agencies USAID (US Agency for International Development)	$140,150	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	Fulcrum Financial Inquiry LLP Top agencies DOJ (Department of Justice)	$126,275	<0.1%	Rank history: #68 in FY2022, #91 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
71	Hoskins & Co. PC Top agencies USDA (Department of Agriculture)	$125,430	<0.1%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
72	Tinker Salome Chris Enterprise, LLC Top agencies NSF (National Science Foundation) Army (Department of the Army)	$120,226	<0.1%	Rank history: #95 in FY2022, #85 in FY2023, #64 in FY2024 and #34 in FY2025; up 25 since FY2020.
73	Davis Audrey Robinette Top agencies DCAA (Defense Contract Audit Agency) DOT (Department of Transportation) Navy (Department of the Navy)	$112,473	<0.1%	Rank history: #46 in FY2022, #60 in FY2023, #43 in FY2024 and #33 in FY2025; up 1 since FY2020.
74	Lopez & Associates, LLP Top agencies DOT (Department of Transportation) DOL (Department of Labor)	$96,567	<0.1%	Rank history: #58 in FY2022, #53 in FY2023, #50 in FY2024 and #60 in FY2025; down 3 since FY2020.
75	Leon Snead & Co PC Top agencies IMLS (The Institute of Museum and Library Services)	$96,234	<0.1%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
76	The Joachim Group, Cpa's & Consultants, LLC Top agencies VA (Department of Veterans Affairs) SBA (Small Business Administration)	$92,010	<0.1%	Rank history: #78 in FY2022, #62 in FY2023 and not on the FY2024–FY2025 lists; up 40 since FY2020.
77	ST. Michael's Inc. Top agencies USAF (Department of the Air Force)	$89,388	<0.1%	Rank history: not on the FY2022 list, #63 in FY2023, #91 in FY2024 and not on the FY2025 list; up 28 since FY2020.
78	Mcbride, Lock & Associates, LLC Top agencies EAC (US Election Assistance Commission) NSF (National Science Foundation) GSA (General Services Administration)	$81,072	<0.1%	Rank history: #41 in FY2022, #42 in FY2023, #39 in FY2024 and #32 in FY2025; down 41 since FY2020.
79	Coca Y Asociados Top agencies EOP (Executive Office of the President)	$77,457	<0.1%	Rank history: #79 in FY2022, not on the FY2023 list, #67 in FY2024 and #64 in FY2025; up 25 since FY2020.
80	Experts Conseil & Associes Top agencies USAID (US Agency for International Development)	$76,885	<0.1%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
81	Allmond & Co, LLC Top agencies DOT (Department of Transportation)	$74,999	<0.1%	Rank history: #64 in FY2022, #33 in FY2023, #22 in FY2024 and #28 in FY2025; new, not ranked in FY2020.
82	Ccite Inc. Top agencies VA (Department of Veterans Affairs)	$74,820	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
83	Milligan & Company LLC Top agencies DOT (Department of Transportation)	$72,962	<0.1%	Rank history: #96 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
84	Fenix Financial Forensics LLC Top agencies SEC (Securities and Exchange Commission)	$65,000	<0.1%	Rank history: #82 in FY2022 and not on the FY2023–FY2025 lists; up 15 since FY2020.
85	Cervantes Manuel & Asociados SC Top agencies EOP (Executive Office of the President)	$64,780	<0.1%	Rank history: not on the FY2022 list, #86 in FY2023 and not on the FY2024–FY2025 lists; up 29 since FY2020.
86	Rocha & Company, PC Top agencies Morris K. Udall Foundation ACUS (Administrative Conference of the United States)	$64,360	<0.1%	Rank history: #83 in FY2022, #81 in FY2023, #84 in FY2024 and #61 in FY2025; up 35 since FY2020.
87	Trigent Solutions Inc. Top agencies CNCS (Corporation for National and Community Service)	$59,916	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 29 since FY2020.
88	T. Curtis & Company, P.C. Top agencies USDA (Department of Agriculture)	$57,629	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Mensah Duah & Company Top agencies EOP (Executive Office of the President)	$56,370	<0.1%	Rank history: #94 in FY2022, #93 in FY2023 and not on the FY2024–FY2025 lists; up 51 since FY2020.
90	Morales Y Morales Asociados Top agencies EOP (Executive Office of the President)	$54,185	<0.1%	Rank history: not on the FY2022 list, #79 in FY2023, #88 in FY2024 and not on the FY2025 list; up 16 since FY2020.
91	The Ijaz Group LLC Top agencies DFC (International Development Finance Corporation)	$50,000	<0.1%	Rank history: not on the FY2022–FY2024 lists and #71 in FY2025; up 45 since FY2020.
92	Withumsmith+Brown PC Top agencies CNCS (Corporation for National and Community Service)	$49,797	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 26 since FY2020.
93	Cabinet D\'Audit De Fiscalite Et Comptabilite Top agencies EOP (Executive Office of the President)	$48,003	<0.1%	Rank history: not on the FY2022 list, #90 in FY2023 and not on the FY2024–FY2025 lists; up 30 since FY2020.
94	Monbo Group International, Ltd Top agencies Navy (Department of the Navy)	$46,000	<0.1%	Rank history: #97 in FY2022, #56 in FY2023, #55 in FY2024 and not on the FY2025 list; down 18 since FY2020.
95	TGM Group LLC Top agencies NASA (National Aeronautics and Space Administration)	$41,980	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 47 since FY2020.
96	Pkfecuador & Co. C.l. Top agencies EOP (Executive Office of the President)	$41,310	<0.1%	Rank history: #99 in FY2022, #96 in FY2023, #96 in FY2024 and #80 in FY2025; new, not ranked in FY2020.
97	Brown Smith Wallace, LLP Top agencies USDA (Department of Agriculture)	$38,500	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 20 since FY2020.
98	A.p. Fiske CPA P.a. Top agencies SEC (Securities and Exchange Commission)	$34,500	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
99	Despacho Alvarez Balbas Top agencies EOP (Executive Office of the President)	$34,295	<0.1%	Rank history: #93 in FY2022, #87 in FY2023, not on the FY2024 list and #74 in FY2025; up 20 since FY2020.
100	Teixeira & Associados Auditores Independentes Top agencies EOP (Executive Office of the President)	$33,721	<0.1%	Rank history: #86 in FY2022, #82 in FY2023, #82 in FY2024 and not on the FY2025 list; up 13 since FY2020.

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100 of 124 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 $1.1 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 541211 contractors in FY2021?

1. Ernst & Young LLP ($348M), 2. Kpmg L.L.P. ($267M), 3. Kearney & Company, P.C. ($119M), 4. Deloitte LLP ($111M), 5. Myers and Stauffer LC ($27.6M), 6. CBE Group Inc. the ($27.3M), 7. Williams, Adley & Company DC LLP ($13.4M), 8. Conrad LLP ($11.8M), 9. Sikich CPA LLC ($11.2M), 10. Hamilton Enterprises, LLC ($7.72M).

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