Top 100 Federal Trade Commission Contractors, FY2021

Name: Top 100 Federal Trade Commission Contractors, FY2021
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 58% of FY2021 Federal Trade Commission contract dollars

Contract obligations: $85,561,729 Net of deobligations, by the Federal Trade Commission and its offices
Contractors: 172 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $26.8 million, 29.4% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Leidos Holdings, Inc. 3 awardees, including Leidos, Inc. and 1901 Group, LLC Top NAICS codes 541519 Other Computer Related Services	$26,800,113	29.4%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	Haystax Technology , Inc. Through Netcentrics Corporation Top NAICS codes 541511 Custom Computer Programming Services	$6,742,268	7.4%	Rank history: #2 in FY2022, #3 in FY2023, #10 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
3	CRA International, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$4,979,346	5.5%	Rank history: #4 in FY2022, #2 in FY2023, #4 in FY2024 and #54 in FY2025; up 2 since FY2020.
4	Complete Discovery Source Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$3,063,359	3.4%	Rank history: #3 in FY2022, #5 in FY2023, #3 in FY2024 and #2 in FY2025; new, not ranked in FY2020.
5	Bates White, LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541690 Other Scientific and Technical Consulting Services	$2,420,618	2.7%	Rank history: #6 in FY2022, #4 in FY2023, #2 in FY2024 and #8 in FY2025; down 2 since FY2020.
6	Analysis Group Inc. Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$2,071,224	2.3%	Rank history: #12 in FY2022, #26 in FY2023, #5 in FY2024 and #70 in FY2025; up 8 since FY2020.
7	Seventh Sense, LLC Top NAICS codes 541618 Other Management Consulting Services	$1,985,100	2.2%	Rank history: #8 in FY2022, #13 in FY2023, #11 in FY2024 and #10 in FY2025; up 6 since FY2020.
8	Legend Construction and Painting Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$1,604,883	1.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
9	The Brattle Group Inc. Top NAICS codes 541618 Other Management Consulting Services 541611 Administrative Management and General Management Consulting Services 541690 Other Scientific and Technical Consulting Services	$1,581,596	1.7%	Rank history: #5 in FY2022, #11 in FY2023, not on the FY2024 list and #17 in FY2025; up 43 since FY2020.
10	At&T Inc. 2 awardees, including At&T Enterprises, LLC and Att Mobility LLC Top NAICS codes 517110 Wired Telecommunications Carriers 541519 Other Computer Related Services	$1,455,902	1.6%	Rank history: #34 in FY2022, #36 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
11	Management Support Technology, Incorporated Top NAICS codes 541611 Administrative Management and General Management Consulting Services 561110 Office Administrative Services	$1,400,295	1.5%	Rank history: #36 in FY2022, #43 in FY2023, #41 in FY2024 and #38 in FY2025; down 2 since FY2020.
12	AOC Solutions, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$1,372,751	1.5%	Rank history: #11 in FY2022, #28 in FY2023, #33 in FY2024 and not on the FY2025 list; down 2 since FY2020.
13	Aurotech LLC Top NAICS codes 541512 Computer Systems Design Services	$1,320,000	1.4%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
14	Reed Elsevier Inc. 3 awardees, including Relx Inc., Elsevier B.V. and Mlex US Inc. Top NAICS codes 519190 All Other Information Services 541519 Other Computer Related Services 511120 Periodical Publishers	$1,274,370	1.4%	Rank history: #70 in FY2022 and not on the FY2023–FY2025 lists; up 1 since FY2020.
15	For the Record, Inc. Top NAICS codes 561492 Court Reporting and Stenotype Services	$1,238,145	1.4%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
16	Global Economics Group, LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$1,150,000	1.3%	Rank history: not on the FY2022 list, #23 in FY2023, #13 in FY2024 and #14 in FY2025; up 24 since FY2020.
17	CTR Management Group LLC Top NAICS codes 561499 All Other Business Support Services 541611 Administrative Management and General Management Consulting Services	$1,068,371	1.2%	Rank history: #20 in FY2022, #20 in FY2023, #18 in FY2024 and #26 in FY2025; unchanged since FY2020.
18	Thomson Reuters (Tax & Accounting) Inc. Through West Publishing Corporation Top NAICS codes 519190 All Other Information Services 511130 Book Publishers	$1,008,084	1.1%	Rank history: #18 in FY2022, #18 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
19	CMA Technology Inc. Top NAICS codes 541519 Other Computer Related Services	$991,131	1.1%	Rank history: #16 in FY2022, #14 in FY2023, #16 in FY2024 and #13 in FY2025; up 3 since FY2020.
20	Regan Technologies Corp Top NAICS codes 541519 Other Computer Related Services	$955,125	1.0%	Rank history: #14 in FY2022 and not on the FY2023–FY2025 lists; up 1 since FY2020.
21	Cornerstone Research Inc. Top NAICS codes 541618 Other Management Consulting Services 541990 All Other Professional, Scientific, and Technical Services	$902,102	1.0%	Rank history: #10 in FY2022, #6 in FY2023, #9 in FY2024 and not on the FY2025 list; down 14 since FY2020.
22	Bytecubed, LLC Through Rock Creek Publishing Group Inc. Top NAICS codes 541613 Marketing Consulting Services	$855,922	0.9%	Rank history: not on the FY2022 list, #35 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
23	Brunet-Garcia Advertising LLC Top NAICS codes 541910 Marketing Research and Public Opinion Polling 541820 Public Relations Agencies	$810,568	0.9%	Rank history: #13 in FY2022, #10 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
24	Barnallen Technologies, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$799,507	0.9%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
25	Spectrum Management, Llc. Top NAICS codes 561210 Facilities Support Services	$733,965	0.8%	Rank history: #22 in FY2022, #19 in FY2023, #14 in FY2024 and #11 in FY2025; up 12 since FY2020.
26	FTI Consulting, Inc. Through Compass Lexecon LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$722,500	0.8%	Rank history: #30 in FY2022, #74 in FY2023, #7 in FY2024 and not on the FY2025 list; down 15 since FY2020.
27	Exelon Corporation Through Potomac Electric Power Co Top NAICS codes 221118 Other Electric Power Generation	$700,000	0.8%	Rank history: #44 in FY2022, #30 in FY2023, #51 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
28	Sterling Computers Corporation Top NAICS codes 334111 Electronic Computer Manufacturing 541519 Other Computer Related Services	$585,962	0.6%	Rank history: #63 in FY2022, not on the FY2023 list, #31 in FY2024 and not on the FY2025 list; up 10 since FY2020.
29	Office Design Group, Inc. Top NAICS codes 337214 Office Furniture (except Wood) Manufacturing	$585,398	0.6%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
30	Thundercat Technology, LLC Top NAICS codes 541519 Other Computer Related Services	$570,093	0.6%	Rank history: not on the FY2022–FY2025 lists; down 4 since FY2020.
31	Anacapa Micro Products, Inc. Top NAICS codes 541519 Other Computer Related Services	$538,576	0.6%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; down 2 since FY2020.
32	Resolution Think LLC Top NAICS codes 561720 Janitorial Services	$513,163	0.6%	Rank history: #23 in FY2022, #27 in FY2023, #30 in FY2024 and #22 in FY2025; new, not ranked in FY2020.
33	XOR Security LLC Top NAICS codes 541513 Computer Facilities Management Services	$503,798	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
34	Advanced Management Strategies Group, Inc. Top NAICS codes 541330 Engineering Services	$471,304	0.5%	Rank history: #24 in FY2022, #25 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
35	The Fields Group, LLC Top NAICS codes 561621 Security Systems Services (except Locksmiths)	$450,884	0.5%	Rank history: #29 in FY2022, #53 in FY2023, #40 in FY2024 and #16 in FY2025; up 11 since FY2020.
36	Fort Belknap Community Council Through Buffalo Horse Inc. Top NAICS codes 561621 Security Systems Services (except Locksmiths)	$437,415	0.5%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
37	Star Contract Services LLC Top NAICS codes 561720 Janitorial Services	$422,285	0.5%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
38	Dynamic Systems Inc. Top NAICS codes 541519 Other Computer Related Services	$406,652	0.4%	Rank history: #35 in FY2022 and not on the FY2023–FY2025 lists; up 118 since FY2020.
39	Software Information Resource Corp. Top NAICS codes 541519 Other Computer Related Services	$364,536	0.4%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
40	Park America Inc. Top NAICS codes 812930 Parking Lots and Garages	$362,388	0.4%	Rank history: #39 in FY2022, #42 in FY2023, #42 in FY2024 and not on the FY2025 list; up 2 since FY2020.
41	RDS Management Research, Inc. Top NAICS codes 541910 Marketing Research and Public Opinion Polling 541199 All Other Legal Services	$337,600	0.4%	Rank history: not on the FY2022 list, #78 in FY2023 and not on the FY2024–FY2025 lists; up 62 since FY2020.
42	Mind Your Business Inc. Top NAICS codes 561110 Office Administrative Services	$312,624	0.3%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; up 6 since FY2020.
43	Iron Mountain Incorporated Through Iron Mountain Information Management LLC Top NAICS codes 493110 General Warehousing and Storage	$310,390	0.3%	Rank history: not on the FY2022 list, #48 in FY2023, #63 in FY2024 and not on the FY2025 list; up 12 since FY2020.
44	Fcn, Inc. Top NAICS codes 541519 Other Computer Related Services	$302,571	0.3%	Rank history: #28 in FY2022, #71 in FY2023, #76 in FY2024 and #48 in FY2025; up 5 since FY2020.
45	Innovative Discovery, LLC Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$276,564	0.3%	Rank history: not on the FY2022–FY2025 lists; down 39 since FY2020.
46	CDW Corporation Through CDW Government LLC Top NAICS codes 334111 Electronic Computer Manufacturing 541519 Other Computer Related Services	$276,402	0.3%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; up 7 since FY2020.
47	August Schell Enterprises, Inc. Top NAICS codes 541519 Other Computer Related Services	$275,257	0.3%	Rank history: #37 in FY2022, #38 in FY2023, #29 in FY2024 and #20 in FY2025; up 18 since FY2020.
48	Supplysource DC, LLC Top NAICS codes 493110 General Warehousing and Storage	$270,648	0.3%	Rank history: #52 in FY2022, #47 in FY2023, #52 in FY2024 and #37 in FY2025; down 5 since FY2020.
49	Federal Acquisition Strategies LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$255,891	0.3%	Rank history: #25 in FY2022 and not on the FY2023–FY2025 lists; down 26 since FY2020.
50	NEO TECH Solutions, Inc. Top NAICS codes 541512 Computer Systems Design Services	$249,991	0.3%	Rank history: #45 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
51	Melwood Horticultural Training Center, Inc. Top NAICS codes 561499 All Other Business Support Services	$228,511	0.3%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
52	Brightkey, Inc. Top NAICS codes 491110 Postal Service	$197,122	0.2%	Rank history: #41 in FY2022, #46 in FY2023, #46 in FY2024 and #35 in FY2025; new, not ranked in FY2020.
53	Four LLC Top NAICS codes 541519 Other Computer Related Services	$194,387	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	Ebs-4U Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$193,978	0.2%	Rank history: #60 in FY2022, not on the FY2023 list, #62 in FY2024 and #45 in FY2025; up 5 since FY2020.
55	Riva Solutions Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$192,390	0.2%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; down 20 since FY2020.
56	Bloomberg LP Through Bloomberg Industry Group, Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals 519190 All Other Information Services	$189,892	0.2%	Rank history: not on the FY2022–FY2023 lists, #72 in FY2024 and not on the FY2025 list; up 4 since FY2020.
57	JON Krosnick Consulting Top NAICS codes 541613 Marketing Consulting Services	$160,241	0.2%	Rank history: #96 in FY2022 and not on the FY2023–FY2025 lists; up 7 since FY2020.
58	Lavreniuk Igor Oleksandrovych Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$157,075	0.2%	Rank history: #53 in FY2022, #70 in FY2023, #75 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
59	Secretariat Economists LLC Top NAICS codes 541690 Other Scientific and Technical Consulting Services	$150,000	0.2%	Rank history: #66 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
60	The Lioce Group Inc. Top NAICS codes 333293 Printing Machinery and Equipment Manufacturing	$147,797	0.2%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
61	Daniel P Ducore Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$141,500	0.2%	Rank history: #72 in FY2022, #81 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
62	Tetra Tech, Inc. Through Global TECH Inc. Top NAICS codes 541519 Other Computer Related Services	$138,821	0.2%	Rank history: #27 in FY2022, #31 in FY2023, #28 in FY2024 and #23 in FY2025; down 26 since FY2020.
63	Impact Training Systems, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$130,000	0.1%	Rank history: #50 in FY2022, #40 in FY2023, #53 in FY2024 and not on the FY2025 list; up 74 since FY2020.
64	VET Advisor LLC Through Three Wire Systems, LLC Top NAICS codes 541519 Other Computer Related Services	$128,566	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
65	Manhattan Telecommunications Corporation LLC Top NAICS codes 517110 Wired Telecommunications Carriers	$127,487	0.1%	Rank history: #78 in FY2022, not on the FY2023 list, #91 in FY2024 and #66 in FY2025; up 20 since FY2020.
66	Brown & Co Certified Public Accountants & Management Consultants PLLC Top NAICS codes 541211 Offices of Certified Public Accountants	$125,209	0.1%	Rank history: #76 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
67	Berkeley Research Group, LLC Top NAICS codes 541618 Other Management Consulting Services	$123,805	0.1%	Rank history: not on the FY2022 list, #8 in FY2023, #27 in FY2024 and #3 in FY2025; new, not ranked in FY2020.
68	Colossal Contracting LLC Top NAICS codes 541519 Other Computer Related Services	$121,725	0.1%	Rank history: #67 in FY2022, #76 in FY2023, #80 in FY2024 and #53 in FY2025; new, not ranked in FY2020.
69	John Coryell Hilke Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$121,000	0.1%	Rank history: not on the FY2022 list, #79 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
70	Zaxyz Corp Top NAICS codes 541618 Other Management Consulting Services	$120,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	Trace3 Government, LLC Top NAICS codes 334111 Electronic Computer Manufacturing	$119,708	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	The Strategy Team, Ltd. Top NAICS codes 541910 Marketing Research and Public Opinion Polling	$117,783	0.1%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; down 25 since FY2020.
73	Granite Telecommunications, LLC Top NAICS codes 517919 All Other Telecommunications	$117,000	0.1%	Rank history: #54 in FY2022, #75 in FY2023, #68 in FY2024 and #51 in FY2025; down 11 since FY2020.
74	Heartland Energy Partners LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$116,238	0.1%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
75	RMA Associates LLC Top NAICS codes 541211 Offices of Certified Public Accountants	$113,976	0.1%	Rank history: #90 in FY2022, #68 in FY2023, #74 in FY2024 and #49 in FY2025; up 8 since FY2020.
76	Prisma International, Inc. Top NAICS codes 541930 Translation and Interpretation Services	$110,000	0.1%	Rank history: not on the FY2022 list, #72 in FY2023, #88 in FY2024 and #95 in FY2025; up 6 since FY2020.
77	Techanax LLC Top NAICS codes 541519 Other Computer Related Services	$109,979	0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
78	Marsh & Mclennan Companies Inc. Through National Economic Research Associates Inc. Top NAICS codes 541618 Other Management Consulting Services	$107,700	0.1%	Rank history: not on the FY2022–FY2023 lists, #48 in FY2024 and not on the FY2025 list; up 50 since FY2020.
79	Genco Systems Inc. Top NAICS codes 541330 Engineering Services	$101,951	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Global Solutions Group, Inc. Top NAICS codes 541511 Custom Computer Programming Services	$100,338	0.1%	Rank history: #62 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
81	Keystone Strategy LLC Top NAICS codes 541690 Other Scientific and Technical Consulting Services	$100,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Oil Price Information Service LLC 2 awardees, including IHS Global Inc. Top NAICS codes 511120 Periodical Publishers	$92,530	0.1%	Rank history: #69 in FY2022, #87 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
83	Eskillz Corp Top NAICS codes 541519 Other Computer Related Services	$88,660	0.1%	Rank history: #80 in FY2022, #52 in FY2023, #55 in FY2024 and #65 in FY2025; down 7 since FY2020.
84	Forge Company Through Colonial Parking, Inc. Top NAICS codes 812930 Parking Lots and Garages	$85,974	0.1%	Rank history: #84 in FY2022, #90 in FY2023 and not on the FY2024–FY2025 lists; down 10 since FY2020.
85	Oneida Communications, Inc. Top NAICS codes 541512 Computer Systems Design Services	$82,740	0.1%	Rank history: #86 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
86	Rational 360 Inc. Top NAICS codes 541613 Marketing Consulting Services	$80,171	0.1%	Rank history: not on the FY2022–FY2025 lists; up 72 since FY2020.
87	Sirius Computer Solutions, LLC Through Sirius Federal LLC Top NAICS codes 541519 Other Computer Related Services	$76,103	0.1%	Rank history: not on the FY2022–FY2025 lists; up 37 since FY2020.
88	Actionable Intelligence Technologies, Inc. Top NAICS codes 511210 Software Publishers	$75,075	0.1%	Rank history: #88 in FY2022, #98 in FY2023, #98 in FY2024 and not on the FY2025 list; down 9 since FY2020.
89	Interimage, Inc. Top NAICS codes 541512 Computer Systems Design Services	$73,529	0.1%	Rank history: not on the FY2022–FY2025 lists; down 44 since FY2020.
90	Advanced Computer Concepts, Inc. Top NAICS codes 541519 Other Computer Related Services	$73,301	0.1%	Rank history: #17 in FY2022, not on the FY2023–FY2024 lists and #12 in FY2025; new, not ranked in FY2020.
91	Fostersoft Inc. Top NAICS codes 511199 All Other Publishers	$73,207	0.1%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; down 24 since FY2020.
92	Countertrade Products, Inc. Top NAICS codes 541519 Other Computer Related Services	$71,269	0.1%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
93	Ebsco Industries Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$71,085	0.1%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
94	HB & Company Inc. Top NAICS codes 561920 Convention and Trade Show Organizers	$69,000	0.1%	Rank history: #59 in FY2022, #66 in FY2023, #84 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
95	Century Elevator Inc. Top NAICS codes 561210 Facilities Support Services	$67,856	0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
96	Pifinity, Inc. Top NAICS codes 334419 Other Electronic Component Manufacturing	$67,680	0.1%	Rank history: #9 in FY2022, #17 in FY2023, #22 in FY2024 and #9 in FY2025; new, not ranked in FY2020.
97	Environmental Systems Research Institute, Inc. Top NAICS codes 511210 Software Publishers	$65,870	0.1%	Rank history: #91 in FY2022, not on the FY2023–FY2024 lists and #83 in FY2025; up 5 since FY2020.
98	CSH Consulting PLLC Top NAICS codes 541199 All Other Legal Services	$63,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Wolters Kluwer N.V. Through CCH Incorporated Top NAICS codes 511120 Periodical Publishers	$62,078	0.1%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; down 8 since FY2020.
100	Kenneth Mautner Top NAICS codes 541690 Other Scientific and Technical Consulting Services	$60,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 172 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 $91.1 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 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 Federal Trade Commission contractors in FY2021?

1. Leidos Holdings, Inc. ($26.8M), 2. Haystax Technology , Inc. ($6.74M), 3. CRA International, Inc. ($4.98M), 4. Complete Discovery Source Inc. ($3.06M), 5. Bates White, LLC ($2.42M), 6. Analysis Group Inc. ($2.07M), 7. Seventh Sense, LLC ($1.99M), 8. Legend Construction and Painting Inc. ($1.6M), 9. The Brattle Group Inc. ($1.58M), 10. At&T Inc. ($1.46M).

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