Top 100 Contractors in PSC B506: Data Analysis (other than scientific), FY2021

Name: Top 100 Contractors in PSC B506: Data Analysis (other than scientific), FY2021
Creator: GovTribe

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

The top 10 won 58% of FY2021 PSC B506 contract dollars

Contract obligations: $200,052,842 Net of deobligations, by contracts coded PSC B506
Contractors: 197 Parent companies with an obligation
Largest contractor: Educational Testing Service $62 million, 30.2% 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	Educational Testing Service Top agencies ED (Department of Education)	$61,987,625	30.2%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	Deloitte LLP 2 awardees, including Deloitte Consulting LLP and Deloitte Financial Advisory Services LLP Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice)	$13,219,526	6.4%	Rank history: #6 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
3	ASR Analytics, LLC Top agencies Treasury (Department of the Treasury)	$11,804,144	5.7%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #4 in FY2025; up 1 since FY2020.
4	Healthverity Inc. Top agencies HHS (Department of Health and Human Services)	$6,844,026	3.3%	Rank history: #3 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
5	Research Triangle Institute Top agencies HHS (Department of Health and Human Services)	$5,863,950	2.9%	Rank history: #5 in FY2022, #5 in FY2023, #8 in FY2024 and #11 in FY2025; down 2 since FY2020.
6	The Medical College of Wisconsin, Inc. Top agencies HHS (Department of Health and Human Services)	$4,730,240	2.3%	Rank history: #7 in FY2022, #10 in FY2023, #12 in FY2024 and #10 in FY2025; up 1 since FY2020.
7	Kpmg L.L.P. Top agencies Navy (Department of the Navy)	$4,460,592	2.2%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
8	The Mitre Corporation Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) DOT (Department of Transportation)	$4,030,034	2.0%	Rank history: #8 in FY2022, #12 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
9	Lbyd Federal, LLC Top agencies EOP (Executive Office of the President)	$3,495,406	1.7%	Rank history: #9 in FY2022, #40 in FY2023 and not on the FY2024–FY2025 lists; up 42 since FY2020.
10	Vertical Applications, LLC Top agencies DHS (Department of Homeland Security)	$3,416,680	1.7%	Rank history: #12 in FY2022 and not on the FY2023–FY2025 lists; down 2 since FY2020.
11	Herren Associates Inc. Top agencies Navy (Department of the Navy)	$3,407,550	1.7%	Rank history: #15 in FY2022, #13 in FY2023, #57 in FY2024 and not on the FY2025 list; up 17 since FY2020.
12	L&M Policy Research, LLC Top agencies HHS (Department of Health and Human Services)	$3,247,816	1.6%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
13	Analytica LLC Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$3,211,024	1.6%	Rank history: #11 in FY2022, #18 in FY2023, #18 in FY2024 and #16 in FY2025; down 2 since FY2020.
14	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies HHS (Department of Health and Human Services)	$3,052,622	1.5%	Rank history: #19 in FY2022, #29 in FY2023, #13 in FY2024 and #15 in FY2025; down 5 since FY2020.
15	Logistics Management Institute Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$2,454,100	1.2%	Rank history: #33 in FY2022, #68 in FY2023, #62 in FY2024 and #62 in FY2025; up 11 since FY2020.
16	Ensco Inc. Top agencies USAF (Department of the Air Force)	$2,335,953	1.1%	Rank history: #10 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
17	Tecolote Research, Inc. Top agencies OSD (Office of the Secretary of Defense)	$2,270,021	1.1%	Rank history: #16 in FY2022, #9 in FY2023, #11 in FY2024 and #6 in FY2025; new, not ranked in FY2020.
18	Texas Christian University Top agencies DOJ (Department of Justice)	$2,222,724	1.1%	Rank history: #18 in FY2022, #16 in FY2023, #23 in FY2024 and #20 in FY2025; new, not ranked in FY2020.
19	Open Source Systems, LLC Top agencies USAF (Department of the Air Force)	$1,786,900	0.9%	Rank history: not on the FY2022–FY2025 lists; up 12 since FY2020.
20	Systems Planning and Analysis, Inc. Top agencies Navy (Department of the Navy)	$1,705,379	0.8%	Rank history: #14 in FY2022, #24 in FY2023, #19 in FY2024 and #37 in FY2025; up 4 since FY2020.
21	Robert D. Niehaus, Inc. Top agencies DHRA (Defense Human Resources Activity)	$1,646,275	0.8%	Rank history: #22 in FY2022, #23 in FY2023, #31 in FY2024 and #27 in FY2025; down 4 since FY2020.
22	Confederated Salish and Kootenai Tribes Through S&K Engineering and Research, LLC Top agencies USAF (Department of the Air Force)	$1,589,414	0.8%	Rank history: not on the FY2022–FY2025 lists; up 63 since FY2020.
23	Aquavitas, LLC Top agencies HHS (Department of Health and Human Services)	$1,547,096	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
24	American Board of Family Medicine Inc. Top agencies HHS (Department of Health and Human Services)	$1,473,888	0.7%	Rank history: #24 in FY2022, #22 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
25	American Academy of Family Physicians Top agencies HHS (Department of Health and Human Services)	$1,432,098	0.7%	Rank history: #28 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
26	Redsky LLC Top agencies USSOCOM (United States Special Operations Command)	$1,419,382	0.7%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
27	Brillient Corporation Top agencies Treasury (Department of the Treasury)	$1,305,322	0.6%	Rank history: #41 in FY2022, #51 in FY2023, #38 in FY2024 and not on the FY2025 list; down 4 since FY2020.
28	JLC Solutions LLC Top agencies ED (Department of Education)	$1,268,873	0.6%	Rank history: #32 in FY2022, #34 in FY2023, #34 in FY2024 and not on the FY2025 list; down 6 since FY2020.
29	Bureau Van Dijk Electronic Publishing Inc. Top agencies OSD (Office of the Secretary of Defense)	$1,250,000	0.6%	Rank history: #23 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
30	Dalberg Consulting US LLC Top agencies MCC (Millennium Challenge Corporation)	$1,220,853	0.6%	Rank history: not on the FY2022–FY2025 lists; down 16 since FY2020.
31	Dynamis, Inc. Top agencies DHS (Department of Homeland Security) WHS (DOD Washington Headquarters Service)	$1,158,995	0.6%	Rank history: #36 in FY2022, #20 in FY2023, #22 in FY2024 and #46 in FY2025; up 29 since FY2020.
32	R. S. Means Company LLC 2 awardees, including The Gordian Group, Inc. and R.s. Means Company LLC Top agencies DOE (Department of Energy) DHS (Department of Homeland Security)	$1,126,344	0.5%	Rank history: #45 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; up 131 since FY2020.
33	Cardinal Health, Inc. Through Cardinal Health 200, LLC Top agencies DLA (Defense Logistics Agency)	$1,090,625	0.5%	Rank history: #37 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
34	Cook Inlet Region Inc. Through North Wind Resource Consulting LLC Top agencies DHS (Department of Homeland Security)	$1,083,300	0.5%	Rank history: not on the FY2022–FY2025 lists; down 22 since FY2020.
35	New Mountain Capital L.L.C. Through Circana, LLC Top agencies USDA (Department of Agriculture)	$1,055,000	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
36	Quality Information Partners, Inc. Top agencies ED (Department of Education)	$1,047,887	0.5%	Rank history: #39 in FY2022, #38 in FY2023, #36 in FY2024 and not on the FY2025 list; down 7 since FY2020.
37	Titan Alpha LLC Top agencies VA (Department of Veterans Affairs)	$1,006,544	0.5%	Rank history: #26 in FY2022, #43 in FY2023, #69 in FY2024 and #40 in FY2025; new, not ranked in FY2020.
38	Telefon AB L M Ericsson Through Iconectiv, LLC Top agencies FCC (Federal Communications Commission)	$999,996	0.5%	Rank history: #40 in FY2022 and not on the FY2023–FY2025 lists; down 4 since FY2020.
39	Knowesis, Inc. Top agencies DHS (Department of Homeland Security)	$998,623	0.5%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; down 3 since FY2020.
40	Iqvia Inc. Through Iqvia Government Solutions Inc. Top agencies HHS (Department of Health and Human Services)	$998,376	0.5%	Rank history: not on the FY2022–FY2025 lists; down 22 since FY2020.
41	Alex-Alternative Experts, LLC Top agencies Navy (Department of the Navy)	$998,110	0.5%	Rank history: #20 in FY2022, #28 in FY2023, #29 in FY2024 and #63 in FY2025; down 6 since FY2020.
42	Green Cell Consulting LLC Top agencies Navy (Department of the Navy)	$943,754	0.5%	Rank history: #62 in FY2022, #55 in FY2023, #58 in FY2024 and #69 in FY2025; new, not ranked in FY2020.
43	National Academy of Sciences Top agencies VA (Department of Veterans Affairs) NASA (National Aeronautics and Space Administration)	$867,943	0.4%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; up 53 since FY2020.
44	The Joachim Group, Cpa's & Consultants, LLC Top agencies HUD (Department of Housing and Urban Development)	$808,190	0.4%	Rank history: #50 in FY2022 and not on the FY2023–FY2025 lists; down 6 since FY2020.
45	Acled Analysis Inc. Top agencies DOS (Department of State)	$800,845	0.4%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
46	Ctg, Inc. Top agencies VA (Department of Veterans Affairs)	$798,400	0.4%	Rank history: #90 in FY2022, #85 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
47	The Bowen Consulting Group. Inc. Top agencies DHRA (Defense Human Resources Activity)	$734,880	0.4%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
48	Advanced LAN Techs Inc. Top agencies WHS (DOD Washington Headquarters Service)	$684,512	0.3%	Rank history: #38 in FY2022, #35 in FY2023, #47 in FY2024 and #39 in FY2025; down 23 since FY2020.
49	Strategicit Solutions LLC Top agencies HUD (Department of Housing and Urban Development)	$672,673	0.3%	Rank history: #58 in FY2022, #50 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
50	Eastern Research Group Inc. Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$631,114	0.3%	Rank history: #43 in FY2022, #44 in FY2023, #73 in FY2024 and #53 in FY2025; new, not ranked in FY2020.
51	Integrated Financial Engineering Inc. Top agencies HUD (Department of Housing and Urban Development)	$564,497	0.3%	Rank history: #61 in FY2022, #53 in FY2023, #37 in FY2024 and #44 in FY2025; down 4 since FY2020.
52	Hudson Institute, Inc. Top agencies WHS (DOD Washington Headquarters Service)	$560,167	0.3%	Rank history: not on the FY2022 list, #97 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
53	Amentum Services, Inc. Top agencies DOJ (Department of Justice)	$500,397	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	Centerfield Media Parent, Inc. Top agencies Commerce (Department of Commerce)	$500,000	0.2%	Rank history: #77 in FY2022, #77 in FY2023, #76 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
55	PG Public Services, LLC Top agencies DHS (Department of Homeland Security)	$499,927	0.2%	Rank history: #64 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
56	MEF Associates, LLC Top agencies HHS (Department of Health and Human Services)	$490,033	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	University System of Maryland Through University of Maryland, College Park Top agencies DOT (Department of Transportation)	$483,333	0.2%	Rank history: #29 in FY2022, #31 in FY2023, #30 in FY2024 and not on the FY2025 list; down 8 since FY2020.
58	Etranservices Corp. Top agencies USDA (Department of Agriculture)	$476,280	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Westat, Inc. Top agencies Commerce (Department of Commerce) USDA (Department of Agriculture)	$474,820	0.2%	Rank history: not on the FY2022 list, #14 in FY2023, #15 in FY2024 and #2 in FY2025; down 54 since FY2020.
60	Forrester Research, Inc. Top agencies Treasury (Department of the Treasury)	$471,466	0.2%	Rank history: #63 in FY2022, #48 in FY2023, #60 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
61	Weris, Inc. Top agencies DHS (Department of Homeland Security)	$468,312	0.2%	Rank history: #52 in FY2022, #52 in FY2023, #54 in FY2024 and #54 in FY2025; down 19 since FY2020.
62	Industrial Economics Inc. Top agencies EPA (Environmental Protection Agency)	$459,710	0.2%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
63	Aptive HTG LLC Top agencies VA (Department of Veterans Affairs)	$458,532	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	J.D. Power and Associates 2 awardees, including J.d. Power Top agencies DOT (Department of Transportation) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$447,271	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
65	Royal Institute of International Affairs Top agencies DOS (Department of State)	$428,948	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Safegraph Inc. Top agencies HHS (Department of Health and Human Services)	$420,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	U B Foundation Activities, Inc. Top agencies VA (Department of Veterans Affairs)	$415,565	0.2%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
68	Data Axle, Inc. Top agencies DOL (Department of Labor)	$410,000	0.2%	Rank history: #71 in FY2022, #70 in FY2023, #70 in FY2024 and not on the FY2025 list; down 14 since FY2020.
69	Center for Strategic and Budgetary Assessments Top agencies WHS (DOD Washington Headquarters Service)	$409,779	0.2%	Rank history: #67 in FY2022, not on the FY2023 list, #41 in FY2024 and #36 in FY2025; down 1 since FY2020.
70	National Cyber-Forensics and Training Alliance Limited Top agencies DHS (Department of Homeland Security)	$406,000	0.2%	Rank history: #72 in FY2022, #71 in FY2023, #72 in FY2024 and #64 in FY2025; down 15 since FY2020.
71	Mcmanis Associates Inc. Top agencies HHS (Department of Health and Human Services)	$400,500	0.2%	Rank history: not on the FY2022–FY2025 lists; down 14 since FY2020.
72	Gartner, Inc. 2 awardees, including Personnel Decisions Research Institutes, LLC Top agencies DHS (Department of Homeland Security)	$398,489	0.2%	Rank history: #60 in FY2022, not on the FY2023–FY2024 lists and #73 in FY2025; unchanged since FY2020.
73	Association of American Railroads Through Railinc Corp Top agencies DOT (Department of Transportation)	$393,308	0.2%	Rank history: #76 in FY2022 and not on the FY2023–FY2025 lists; down 14 since FY2020.
74	Center for Strategic & International Studies Inc. Top agencies WHS (DOD Washington Headquarters Service)	$387,322	0.2%	Rank history: #88 in FY2022, #49 in FY2023, #44 in FY2024 and #35 in FY2025; up 54 since FY2020.
75	Federal Miracle TECH LLC Top agencies DOS (Department of State)	$349,352	0.2%	Rank history: #100 in FY2022, #83 in FY2023, #84 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
76	Altarum Institute Top agencies VA (Department of Veterans Affairs)	$346,624	0.2%	Rank history: not on the FY2022 list, #56 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
77	Decisionpoint Corporation Top agencies DHRA (Defense Human Resources Activity)	$342,396	0.2%	Rank history: #78 in FY2022, #76 in FY2023, #75 in FY2024 and not on the FY2025 list; up 2 since FY2020.
78	Lancer Information Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$329,882	0.2%	Rank history: #79 in FY2022 and not on the FY2023–FY2025 lists; down 15 since FY2020.
79	Limno-Tech Inc. Top agencies DOS (Department of State)	$325,395	0.2%	Rank history: not on the FY2022–FY2025 lists; down 23 since FY2020.
80	Semantic AI, Inc. Top agencies USAF (Department of the Air Force)	$325,000	0.2%	Rank history: #44 in FY2022, #39 in FY2023, #21 in FY2024 and #24 in FY2025; new, not ranked in FY2020.
81	Costar Group, Inc. Through Costar Realty Information, Inc. Top agencies Treasury (Department of the Treasury)	$324,132	0.2%	Rank history: #80 in FY2022 and not on the FY2023–FY2025 lists; down 16 since FY2020.
82	Center for A New American Security, Inc. Top agencies WHS (DOD Washington Headquarters Service)	$323,085	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Applied Research Associates, Inc. Top agencies USAF (Department of the Air Force)	$320,000	0.2%	Rank history: #54 in FY2022, not on the FY2023 list, #39 in FY2024 and #42 in FY2025; down 25 since FY2020.
84	Management Analysis Technologies (Mat), Incorporated Top agencies DHRA (Defense Human Resources Activity)	$296,314	0.1%	Rank history: not on the FY2022–FY2025 lists; down 17 since FY2020.
85	Moody'S Corporation Through Moody's Analytics, Inc. Top agencies HUD (Department of Housing and Urban Development)	$285,689	0.1%	Rank history: #69 in FY2022, #66 in FY2023, #55 in FY2024 and not on the FY2025 list; down 2 since FY2020.
86	GRA Inc. Top agencies DOT (Department of Transportation)	$284,643	0.1%	Rank history: #68 in FY2022, #54 in FY2023, #14 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
87	Magpie Health Analytics Inc. Top agencies HHS (Department of Health and Human Services)	$282,721	0.1%	Rank history: not on the FY2022 list, #90 in FY2023, #90 in FY2024 and #59 in FY2025; new, not ranked in FY2020.
88	Rubicon Planning, LLC Top agencies Army (Department of the Army)	$273,468	0.1%	Rank history: not on the FY2022–FY2023 lists, #87 in FY2024 and #51 in FY2025; new, not ranked in FY2020.
89	Vesselsvalue Limited Top agencies DOT (Department of Transportation)	$272,182	0.1%	Rank history: #74 in FY2022, #73 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
90	Luizza Conservation Consulting, LLC Top agencies DOI (Department of the Interior)	$264,051	0.1%	Rank history: not on the FY2022–FY2025 lists; down 13 since FY2020.
91	RSG CJ Analytics LLC Top agencies DOJ (Department of Justice)	$258,026	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	Moody's Analytics, Inc. Top agencies Treasury (Department of the Treasury)	$249,384	0.1%	Rank history: not on the FY2022–FY2025 lists; down 30 since FY2020.
93	Potomacwave, Inc. Top agencies Treasury (Department of the Treasury)	$237,600	0.1%	Rank history: #91 in FY2022, not on the FY2023–FY2024 lists and #77 in FY2025; down 19 since FY2020.
94	ITG Revenue Management Solutions, LLC Top agencies USDA (Department of Agriculture)	$214,779	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	Mcgraw Hill Financial Inc. Through S&P Global Market Intelligence LLC Top agencies Treasury (Department of the Treasury)	$214,625	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	The Association of American Geographers Top agencies DOS (Department of State)	$211,154	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Cuebiq Inc. Top agencies HHS (Department of Health and Human Services)	$208,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
98	Baron Public Affairs LLC Top agencies DOD (Department of Defense)	$204,825	0.1%	Rank history: #55 in FY2022, #19 in FY2023, #17 in FY2024 and #28 in FY2025; down 34 since FY2020.
99	Foreign Policy Research Institute Inc. Top agencies WHS (DOD Washington Headquarters Service)	$199,144	0.1%	Rank history: not on the FY2022–FY2023 lists, #93 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
100	The Hearst Corporation Through First Databank, Inc. Top agencies DLA (Defense Logistics Agency)	$186,529	0.1%	Rank history: not on the FY2022 list, #81 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.

Show 75 more

100 of 197 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 $205 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 PSC B506 contractors in FY2021?

1. Educational Testing Service ($62M), 2. Deloitte LLP ($13.2M), 3. ASR Analytics, LLC ($11.8M), 4. Healthverity Inc. ($6.84M), 5. Research Triangle Institute ($5.86M), 6. The Medical College of Wisconsin, Inc. ($4.73M), 7. Kpmg L.L.P. ($4.46M), 8. The Mitre Corporation ($4.03M), 9. Lbyd Federal, LLC ($3.5M), 10. Vertical Applications, LLC ($3.42M).

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