Top 100 Contractors in PSC R420: Support – Professional: Certifications and Accreditations (Other Than Education or Information Technology C&A), FY2022

Name: Top 100 Contractors in PSC R420: Support – Professional: Certifications and Accreditations (Other Than Education or Information Technology C&A), FY2022
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2021 – Sep 30, 2022 Code page on GovTribe

The top 10 won 71% of FY2022 PSC R420 contract dollars

Contract obligations: $68,386,207 Net of deobligations, by contracts coded PSC R420
Contractors: 143 Parent companies with an obligation
Largest contractor: Joint Commission On Accreditation of Healthcare Organizations $17 million, 24.0% 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	Joint Commission On Accreditation of Healthcare Organizations Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$17,017,755	24.0%	Rank history: #2 in FY2021, #1 in FY2023, #2 in FY2024 and #1 in FY2025; up 1 since FY2021.
2	Amentum Services, Inc. Top agencies Navy (Department of the Navy)	$6,152,875	8.7%	Rank history: #1 in FY2021, #14 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
3	College of American Pathologists Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$5,707,376	8.0%	Rank history: #4 in FY2021, #4 in FY2023, #4 in FY2024 and #2 in FY2025; up 1 since FY2021.
4	Carahsoft Technology Corp Top agencies USAID (US Agency for International Development)	$4,715,905	6.6%	Rank history: #7 in FY2021, #5 in FY2023, #69 in FY2024 and not on the FY2025 list; up 3 since FY2021.
5	National Committee for Quality Assurance Top agencies HHS (Department of Health and Human Services)	$4,560,974	6.4%	Rank history: not on the FY2021 list, #3 in FY2023, #3 in FY2024 and #3 in FY2025; new.
6	NAO Cyber Veterans LLC Top agencies Navy (Department of the Navy)	$4,140,715	5.8%	Rank history: #6 in FY2021 and not on the FY2023–FY2025 lists; unchanged since FY2021.
7	Commission On Accreditation of Rehabilitation Facilities Top agencies VA (Department of Veterans Affairs)	$2,013,606	2.8%	Rank history: #5 in FY2021, #8 in FY2023, #5 in FY2024 and #7 in FY2025; down 2 since FY2021.
8	Nash Healthcare Consulting, Limited Liability Comp. Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$2,011,128	2.8%	Rank history: #13 in FY2021 and not on the FY2023–FY2025 lists; up 5 since FY2021.
9	Consolidated Safety Services Incorporated Top agencies HHS (Department of Health and Human Services)	$2,009,952	2.8%	Rank history: #10 in FY2021 and not on the FY2023–FY2025 lists; up 1 since FY2021.
10	American College of Surgeons Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) Army (Department of the Army)	$1,755,266	2.5%	Rank history: #8 in FY2021, #7 in FY2023, #53 in FY2024 and #11 in FY2025; down 2 since FY2021.
11	American Heart Association, Inc. Top agencies VA (Department of Veterans Affairs)	$1,692,301	2.4%	Rank history: #3 in FY2021, #2 in FY2023, not on the FY2024 list and #4 in FY2025; down 8 since FY2021.
12	Global Skills Exchange Corporation Top agencies DCSA (Defense Counterintelligence and Security Agency)	$1,500,090	2.1%	Rank history: #9 in FY2021, #10 in FY2023, #12 in FY2024 and not on the FY2025 list; down 3 since FY2021.
13	Accreditation Association for Ambulatory Health Care, Inc. Top agencies DOJ (Department of Justice) HHS (Department of Health and Human Services)	$1,390,362	2.0%	Rank history: #12 in FY2021, #15 in FY2023, #11 in FY2024 and #14 in FY2025; down 1 since FY2021.
14	DJ Business Solutions LLC Top agencies HUD (Department of Housing and Urban Development)	$1,196,907	1.7%	Rank history: #11 in FY2021, #9 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2021.
15	American Association of Blood Banks, Inc. Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$929,971	1.3%	Rank history: #14 in FY2021, #12 in FY2023, #10 in FY2024 and #12 in FY2025; down 1 since FY2021.
16	Kearney & Company, P.C. Top agencies MCC (Millennium Challenge Corporation)	$668,328	0.9%	Rank history: #15 in FY2021, #13 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
17	National Test Pilot School Inc. Top agencies Army (Department of the Army)	$600,000	0.8%	Rank history: #24 in FY2021, #25 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2021.
18	Center for Public Safety Excellence, Inc. Top agencies Navy (Department of the Navy)	$595,422	0.8%	Rank history: #17 in FY2021, #16 in FY2023, #20 in FY2024 and #16 in FY2025; down 1 since FY2021.
19	Ansi National Accreditation Board LLC Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) EPA (Environmental Protection Agency)	$553,873	0.8%	Rank history: #22 in FY2021, #21 in FY2023, #14 in FY2024 and #17 in FY2025; up 3 since FY2021.
20	American Bureau of Shipping Top agencies Army (Department of the Army)	$471,843	0.7%	Rank history: #31 in FY2021, #32 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2021.
21	The Geneva Foundation Top agencies DHA (Defense Health Agency)	$464,466	0.7%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
22	The American Correctional Association Top agencies DOJ (Department of Justice) Army (Department of the Army) Navy (Department of the Navy)	$444,850	0.6%	Rank history: #50 in FY2021, #22 in FY2023, #49 in FY2024 and #39 in FY2025; up 28 since FY2021.
23	The National Registry of Emergency Medical Technicians Inc. Top agencies Army (Department of the Army)	$426,128	0.6%	Rank history: #23 in FY2021, #17 in FY2023, #15 in FY2024 and #18 in FY2025; unchanged since FY2021.
24	Technical Communities, Inc. 2 awardees Top agencies USAF (Department of the Air Force)	$409,336	0.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
25	Solutions for Information Design, Inc. Top agencies USAF (Department of the Air Force)	$379,644	0.5%	Rank history: #21 in FY2021, #18 in FY2023, #16 in FY2024 and #19 in FY2025; down 4 since FY2021.
26	Larsonallen LLP Through Cliftonlarsonallen LLP Top agencies AbilityOne	$366,052	0.5%	Rank history: #19 in FY2021 and not on the FY2023–FY2025 lists; down 7 since FY2021.
27	Global Strategic Energy LLC Top agencies USAF (Department of the Air Force)	$313,140	0.4%	Rank history: #20 in FY2021, #20 in FY2023, #18 in FY2024 and #21 in FY2025; down 7 since FY2021.
28	Practising Law Institute Top agencies SEC (Securities and Exchange Commission)	$251,050	0.4%	Rank history: #26 in FY2021, #26 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
29	L3Harris Technologies, Inc. Top agencies USSOCOM (United States Special Operations Command)	$249,955	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
30	Compass CG LLC Top agencies VA (Department of Veterans Affairs)	$246,200	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
31	Gryphon Scientific, LLC Top agencies Army (Department of the Army)	$239,359	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
32	Biocomx Top agencies VA (Department of Veterans Affairs)	$232,760	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
33	Camp Alliance Inc. Top agencies VA (Department of Veterans Affairs)	$225,000	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
34	Accreditation Council for Graduate Medical Education Top agencies Army (Department of the Army)	$193,500	0.3%	Rank history: #47 in FY2021, #41 in FY2023, #33 in FY2024 and #13 in FY2025; up 13 since FY2021.
35	Data2Design Technologies LLC Top agencies USAF (Department of the Air Force)	$190,443	0.3%	Rank history: #35 in FY2021, #33 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2021.
36	Hoolaulima Government Solutions, LLC Top agencies DHA (Defense Health Agency)	$180,757	0.3%	Rank history: not on the FY2021 list, #31 in FY2023, #29 in FY2024 and #25 in FY2025; new.
37	San Diego Community College District Top agencies Navy (Department of the Navy)	$180,020	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
38	Omni2Max, Inc. Top agencies Navy (Department of the Navy)	$172,512	0.2%	Rank history: #33 in FY2021 and not on the FY2023–FY2025 lists; down 5 since FY2021.
39	Amtivo (USA) Inc. Top agencies DOJ (Department of Justice) Army (Department of the Army) DOS (Department of State)	$166,011	0.2%	Rank history: #32 in FY2021 and not on the FY2023–FY2025 lists; down 7 since FY2021.
40	American Institute of Certified Public Accountants Top agencies SEC (Securities and Exchange Commission)	$137,318	0.2%	Rank history: #38 in FY2021, #34 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
41	Information Systems Audit and Control Association, Inc. Through Cmmi Institute, LLC Top agencies USAF (Department of the Air Force)	$137,148	0.2%	Rank history: #34 in FY2021 and not on the FY2023–FY2025 lists; down 7 since FY2021.
42	Virginia Polytechnic Institute & State University Through Public Health Accreditation Board Top agencies Army (Department of the Army)	$117,465	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
43	Sinclair Broadcast Group Inc. Through Politico, LLC Top agencies DHS (Department of Homeland Security)	$116,546	0.2%	Rank history: #39 in FY2021 and not on the FY2023–FY2025 lists; down 4 since FY2021.
44	International Electrical Testing Association Top agencies Army (Department of the Army)	$114,828	0.2%	Rank history: #41 in FY2021, #48 in FY2023, #30 in FY2024 and #33 in FY2025; down 3 since FY2021.
45	American Nurses' Association Through American Nurses Credentialing Center, Inc. A / K / A American Nurses Credentialing Center Top agencies VA (Department of Veterans Affairs)	$112,125	0.2%	Rank history: not on the FY2021 list, #51 in FY2023 and not on the FY2024–FY2025 lists; up 63 since FY2021.
46	Gartner, Inc. Top agencies Navy (Department of the Navy)	$110,497	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
47	Microtechnologies LLC Top agencies USAF (Department of the Air Force)	$104,736	0.1%	Rank history: #44 in FY2021, #65 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2021.
48	American Society of Health-System Pharmacists Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) Army (Department of the Army)	$104,700	0.1%	Rank history: #37 in FY2021, #49 in FY2023, #34 in FY2024 and #24 in FY2025; down 11 since FY2021.
49	Healthcare Quality Assistance Group, LLC Top agencies VA (Department of Veterans Affairs)	$102,581	0.1%	Rank history: not on the FY2021 list, #24 in FY2023, #25 in FY2024 and not on the FY2025 list; new.
50	Team Henry Enterprises, LLC Top agencies Army (Department of the Army)	$97,659	0.1%	Rank history: not on the FY2021 list, #50 in FY2023 and not on the FY2024–FY2025 lists; new.
51	American Society for Radiation Oncology Top agencies VA (Department of Veterans Affairs)	$93,500	0.1%	Rank history: #40 in FY2021, #39 in FY2023, #40 in FY2024 and #29 in FY2025; down 11 since FY2021.
52	TECH Scan Inc. Top agencies VA (Department of Veterans Affairs)	$91,370	0.1%	Rank history: #57 in FY2021, #81 in FY2023, #41 in FY2024 and #48 in FY2025; up 5 since FY2021.
53	Association for Clinical Pastoral Education Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$82,437	0.1%	Rank history: #68 in FY2021, #56 in FY2023, #50 in FY2024 and #34 in FY2025; up 15 since FY2021.
54	American Industrial Hygiene Association Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) DOL (Department of Labor)	$81,875	0.1%	Rank history: #77 in FY2021, #55 in FY2023, #43 in FY2024 and #41 in FY2025; up 23 since FY2021.
55	Reed Elsevier Inc. Through Elsevier Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$80,853	0.1%	Rank history: #84 in FY2021 and not on the FY2023–FY2025 lists; up 29 since FY2021.
56	Devry Inc. 2 awardees, including Becker Professional Development Corporation and Association of Certified Anti-Money Laundering Specialists, LLC Top agencies SEC (Securities and Exchange Commission) DOS (Department of State)	$80,700	0.1%	Rank history: #85 in FY2021, #47 in FY2023 and not on the FY2024–FY2025 lists; up 29 since FY2021.
57	Quality Texas Foundation Top agencies VA (Department of Veterans Affairs)	$79,333	0.1%	Rank history: not on the FY2021 list, #52 in FY2023 and not on the FY2024–FY2025 lists; new.
58	American National Standards Institute Incorporated Top agencies HHS (Department of Health and Human Services)	$77,805	0.1%	Rank history: #48 in FY2021, #53 in FY2023, #45 in FY2024 and #35 in FY2025; down 10 since FY2021.
59	Asis International Inc. Top agencies DHS (Department of Homeland Security)	$70,668	0.1%	Rank history: #54 in FY2021, not on the FY2023 list, #48 in FY2024 and #42 in FY2025; down 5 since FY2021.
60	American Association for Laboratory Accreditation, Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$67,686	0.1%	Rank history: #28 in FY2021, #27 in FY2023, #23 in FY2024 and #22 in FY2025; down 32 since FY2021.
61	National Commission On Correctional Health Care Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$67,469	0.1%	Rank history: #59 in FY2021, #61 in FY2023, #27 in FY2024 and #38 in FY2025; down 2 since FY2021.
62	Cornell University Top agencies USAF (Department of the Air Force)	$62,973	0.1%	Rank history: #55 in FY2021, #59 in FY2023, #39 in FY2024 and not on the FY2025 list; down 7 since FY2021.
63	Eagle Force, Inc. Top agencies Army (Department of the Army)	$60,000	0.1%	Rank history: #42 in FY2021, #36 in FY2023, #35 in FY2024 and #54 in FY2025; down 21 since FY2021.
64	Elsevier Inc. Top agencies HHS (Department of Health and Human Services)	$56,462	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
65	Am Health and Safety, Inc. Top agencies DOJ (Department of Justice)	$54,660	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 53 since FY2021.
66	South Coast Air Quality Management District Top agencies VA (Department of Veterans Affairs)	$54,329	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
67	Transportation North Carolina Department of Through Fayetteville Technical Community College Top agencies Army (Department of the Army)	$51,000	0.1%	Rank history: #60 in FY2021, #43 in FY2023, #60 in FY2024 and not on the FY2025 list; down 7 since FY2021.
68	National Society of Black Engineers Top agencies DOS (Department of State)	$50,000	0.1%	Rank history: #63 in FY2021, #58 in FY2023, #97 in FY2024 and not on the FY2025 list; down 5 since FY2021.
69	Congressional Award Foundation Top agencies CNCS (Corporation for National and Community Service)	$50,000	0.1%	Rank history: #82 in FY2021, #69 in FY2023, #74 in FY2024 and not on the FY2025 list; up 13 since FY2021.
70	Harmony Healthcare International, Inc. Top agencies VA (Department of Veterans Affairs)	$50,000	0.1%	Rank history: #64 in FY2021 and not on the FY2023–FY2025 lists; down 6 since FY2021.
71	Accreditation Council for Pharmacy Education Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$49,500	0.1%	Rank history: #65 in FY2021, #62 in FY2023, #55 in FY2024 and #67 in FY2025; down 6 since FY2021.
72	Applylogic Consulting Group, LLC Top agencies VA (Department of Veterans Affairs)	$49,080	0.1%	Rank history: #66 in FY2021, #88 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2021.
73	The Connecticut Hospital Association. Incorporated Top agencies VA (Department of Veterans Affairs)	$45,829	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
74	Mcgraw-Hill Global Education Holdings, LLC Through Mcgraw Hill LLC Top agencies Army (Department of the Army)	$42,511	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
75	Press Ganey Associates Inc Top agencies VA (Department of Veterans Affairs)	$39,125	0.1%	Rank history: #80 in FY2021, #68 in FY2023, #58 in FY2024 and #51 in FY2025; up 5 since FY2021.
76	Arrow Electronics, Inc. Through Immixtechnology Inc. Top agencies EEOC (Equal Employment Opportunity Commission)	$37,192	0.1%	Rank history: #91 in FY2021, #66 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2021.
77	NSF International Strategic Registrations Ltd Top agencies Army (Department of the Army)	$37,000	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 39 since FY2021.
78	Aaalac International Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$35,361	<0.1%	Rank history: #99 in FY2021 and not on the FY2023–FY2025 lists; up 21 since FY2021.
79	Health Level Seven International Inc. Top agencies HHS (Department of Health and Human Services)	$35,000	<0.1%	Rank history: #78 in FY2021 and not on the FY2023–FY2025 lists; down 1 since FY2021.
80	American Bar Association Top agencies Navy (Department of the Navy)	$35,000	<0.1%	Rank history: not on the FY2021 list, #76 in FY2023, #64 in FY2024 and #57 in FY2025; new.
81	California Council On Science and Technology Top agencies NASA (National Aeronautics and Space Administration)	$31,500	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
82	Penguin Random House LLC Through Relias LLC Top agencies VA (Department of Veterans Affairs)	$31,413	<0.1%	Rank history: #81 in FY2021, #78 in FY2023, #68 in FY2024 and not on the FY2025 list; down 1 since FY2021.
83	Commonweal Top agencies VA (Department of Veterans Affairs)	$31,400	<0.1%	Rank history: not on the FY2021 list, #63 in FY2023 and not on the FY2024–FY2025 lists; new.
84	Cola Inc. Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$30,729	<0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #70 in FY2024 and not on the FY2025 list; up 61 since FY2021.
85	Management Concepts, Inc. Top agencies DOJ (Department of Justice)	$30,297	<0.1%	Rank history: not on the FY2021 list, #77 in FY2023 and not on the FY2024–FY2025 lists; new.
86	Human Resources Technologies, Inc. Top agencies DOS (Department of State)	$30,153	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
87	Kirkpatrick Partners, LLC Top agencies VA (Department of Veterans Affairs)	$27,175	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
88	Vantage Robotics, Inc. Top agencies DOJ (Department of Justice)	$24,900	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
89	Foundation for the Accreditation of Cellular Therapy Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$24,860	<0.1%	Rank history: not on the FY2021 list, #85 in FY2023, #75 in FY2024 and #68 in FY2025; up 28 since FY2021.
90	Logos Secure, LLC Top agencies USAF (Department of the Air Force)	$24,750	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
91	Vaxa, Inc. Top agencies Army (Department of the Army)	$24,735	<0.1%	Rank history: #92 in FY2021 and not on the FY2023–FY2025 lists; up 1 since FY2021.
92	H.i.g. Capital Management Inc. Through Iron Bow Technologies, LLC Top agencies EEOC (Equal Employment Opportunity Commission)	$23,808	<0.1%	Rank history: #79 in FY2021 and not on the FY2023–FY2025 lists; down 13 since FY2021.
93	Quality Systems Registrars, Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army)	$23,643	<0.1%	Rank history: #75 in FY2021, not on the FY2023 list, #47 in FY2024 and #77 in FY2025; down 18 since FY2021.
94	Government and Military Certification Systems, Inc. Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$22,888	<0.1%	Rank history: #71 in FY2021, #42 in FY2023, #46 in FY2024 and #37 in FY2025; down 23 since FY2021.
95	The Ems Training School LLC Top agencies VA (Department of Veterans Affairs)	$21,600	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
96	National Technical Systems Inc. Through National Quality Assurance - U.s.a., Inc. Top agencies DOJ (Department of Justice)	$20,900	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
97	University of Arkansas - Pulaski Technical College Top agencies USAF (Department of the Air Force)	$20,000	<0.1%	Rank history: #94 in FY2021 and not on the FY2023–FY2025 lists; down 3 since FY2021.
98	American Society for Training and Development, Incorporated Top agencies CFPB (Consumer Financial Protection Bureau)	$19,819	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
99	Perry Johnson Laboratory Accreditation Inc. Top agencies EPA (Environmental Protection Agency) Commerce (Department of Commerce)	$19,062	<0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #89 in FY2024 and #72 in FY2025; up 63 since FY2021.
100	American College of Radiology Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$17,800	<0.1%	Rank history: #86 in FY2021, not on the FY2023 list, #77 in FY2024 and #98 in FY2025; down 14 since FY2021.

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100 of 143 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 $71 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 2022 ran Oct 1, 2021 – Sep 30, 2022. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2021. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2021 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 PSC R420 contractors in FY2022?

1. Joint Commission On Accreditation of Healthcare Organizations ($17M), 2. Amentum Services, Inc. ($6.15M), 3. College of American Pathologists ($5.71M), 4. Carahsoft Technology Corp ($4.72M), 5. National Committee for Quality Assurance ($4.56M), 6. NAO Cyber Veterans LLC ($4.14M), 7. Commission On Accreditation of Rehabilitation Facilities ($2.01M), 8. Nash Healthcare Consulting, Limited Liability Comp. ($2.01M), 9. Consolidated Safety Services Incorporated ($2.01M), 10. American College of Surgeons ($1.76M).

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