Top 100 Contractors in NAICS 519: Web Search Portals, Libraries, Archives, and Other Information Services, FY2023

Name: Top 100 Contractors in NAICS 519: Web Search Portals, Libraries, Archives, and Other Information Services, FY2023
Creator: GovTribe

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

The top 10 won 42% of FY2023 NAICS 519 contract dollars

Contract obligations: $580,759,353 Net of deobligations, by contracts coded NAICS 519 or a code under it
Contractors: 633 Parent companies with an obligation
Largest contractor: Thomson Reuters (Tax & Accounting) Inc. $50.4 million, 8.2% 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	Thomson Reuters (Tax & Accounting) Inc. 4 awardees, including West Publishing Corporation and Thomson Reuters (Markets) LLC Top agencies DHS (Department of Homeland Security) SSA (Social Security Administration) HHS (Department of Health and Human Services)	$50,389,511	8.2%	Rank history: #2 in FY2021, #1 in FY2022, #23 in FY2024 and not on the FY2025 list; unchanged since FY2022.
2	Relx Inc 8 awardees, including Elsevier Inc., Lexisnexis Risk Solutions Inc. and Elsevier B.V. Top agencies DHS (Department of Homeland Security) DHA (Defense Health Agency) SSA (Social Security Administration)	$45,976,887	7.5%	Rank history: #34 in FY2021, #5 in FY2022, #1 in FY2024 and #2 in FY2025; up 3 since FY2022.
3	Oil Price Information Service LLC 5 awardees, including IHS Global Inc., R.l. Polk & Co and S&P Global Limited Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$37,637,372	6.1%	Rank history: #4 in FY2021, #3 in FY2022, #48 in FY2024 and not on the FY2025 list; unchanged since FY2022.
4	American Chemical Society 2 awardees Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$22,920,953	3.7%	Rank history: #5 in FY2021, #4 in FY2022, #5 in FY2024 and not on the FY2025 list; unchanged since FY2022.
5	Bloomberg LP 3 awardees, including Bloomberg Finance LP and Bloomberg Industry Group, Inc. Top agencies SEC (Securities and Exchange Commission) Treasury (Department of the Treasury) Commerce (Department of Commerce)	$22,693,571	3.7%	Rank history: #8 in FY2021, #10 in FY2022, #20 in FY2024 and #35 in FY2025; up 5 since FY2022.
6	Cox Subscriptions, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$18,289,628	3.0%	Rank history: #13 in FY2021, #7 in FY2022, #4 in FY2024 and #4 in FY2025; up 1 since FY2022.
7	Gartner, Inc. 2 awardees Top agencies DOE (Department of Energy) USDA (Department of Agriculture) DHS (Department of Homeland Security)	$17,859,732	2.9%	Rank history: #9 in FY2021, #8 in FY2022, #3 in FY2024 and #9 in FY2025; up 1 since FY2022.
8	Ebsco Industries Inc. 5 awardees, including Yankee Book Peddler Incorporated Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$16,583,033	2.7%	Rank history: #6 in FY2021, #6 in FY2022, #18 in FY2024 and #25 in FY2025; down 2 since FY2022.
9	Wolters Kluwer N.V. 3 awardees, including Uptodate, Inc., Ovid Technologies, Inc. and CCH Incorporated Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$14,523,102	2.4%	Rank history: #7 in FY2021, #9 in FY2022, #68 in FY2024 and not on the FY2025 list; unchanged since FY2022.
10	Mcgraw Hill Financial Inc. 6 awardees, including S&P Global Market Intelligence LLC, S&P Global Inc. and Capital IQ, Inc. Top agencies Treasury (Department of the Treasury) DOE (Department of Energy) PBGC (Pension Benefit Guaranty Corporation)	$12,342,662	2.0%	Rank history: #12 in FY2021, #11 in FY2022, #77 in FY2024 and not on the FY2025 list; up 1 since FY2022.
11	Arctic Slope Regional Corporation Through Asrc Federal Professional Services, LLC Top agencies Commerce (Department of Commerce)	$11,856,605	1.9%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2024 and not on the FY2025 list; up 416 since FY2022.
12	DUN & Bradstreet Inc. Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce) GAO (Government Accountability Office)	$11,818,440	1.9%	Rank history: #14 in FY2021, #14 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
13	Bureau Van Dijk Electronic Publishing Inc. Top agencies Treasury (Department of the Treasury) Commerce (Department of Commerce) USITC (International Trade Commission)	$11,191,000	1.8%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and #17 in FY2025; new.
14	Clarivate Analytics (US) LLC 2 awardees, including Global Knowledge Solutions LLC Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$11,159,412	1.8%	Rank history: #16 in FY2021, #12 in FY2022, #10 in FY2024 and #12 in FY2025; down 2 since FY2022.
15	Cambridge Information Group Inc. 2 awardees, including Proquest LLC and Ex Libris USA Inc. Top agencies Commerce (Department of Commerce) DODEA (Department of Defense Education Activity) Navy (Department of the Navy)	$10,498,257	1.7%	Rank history: #17 in FY2021, #62 in FY2022 and not on the FY2024–FY2025 lists; up 47 since FY2022.
16	Reed Elsevier Inc. 6 awardees, including Elsevier B.V., Lnrs Data Services Inc. and Portfolio Media Inc. Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) DOT (Department of Transportation)	$9,305,536	1.5%	Rank history: #1 in FY2021, #2 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
17	Cloud Lake Technology LLC Top agencies DOS (Department of State)	$9,055,093	1.5%	Rank history: not on the FY2021 list, #37 in FY2022, #28 in FY2024 and not on the FY2025 list; up 20 since FY2022.
18	Prenax Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) DOE (Department of Energy)	$8,390,798	1.4%	Rank history: #18 in FY2021, #19 in FY2022, #21 in FY2024 and #18 in FY2025; up 1 since FY2022.
19	Paydesk Limited Top agencies USAGM (US Agency for Global Media)	$8,224,582	1.3%	Rank history: #37 in FY2021, #32 in FY2022, #19 in FY2024 and #47 in FY2025; up 13 since FY2022.
20	Fiscalnote, Inc. 2 awardees, including Cq-Roll Call, Inc. Top agencies Commerce (Department of Commerce) DOS (Department of State) DHS (Department of Homeland Security)	$6,632,272	1.1%	Rank history: #22 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
21	Ahtna Infrastructure & Technologies LLC Top agencies SSA (Social Security Administration)	$6,447,474	1.0%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2024 and #16 in FY2025; new.
22	London Stock Exchange Group PLC 3 awardees, including Refinitiv US LLC and Mergent, Inc. Top agencies SEC (Securities and Exchange Commission) Treasury (Department of the Treasury) DOE (Department of Energy)	$6,018,812	1.0%	Rank history: not on the FY2021 list, #27 in FY2022, #42 in FY2024 and not on the FY2025 list; up 5 since FY2022.
23	Shoreland Inc. Top agencies DHA (Defense Health Agency)	$5,550,000	0.9%	Rank history: #25 in FY2021, #25 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
24	Moody'S Corporation Through Moody's Analytics, Inc. Top agencies Treasury (Department of the Treasury) HUD (Department of Housing and Urban Development) EXIM (Export Import Bank of the US)	$5,504,578	0.9%	Rank history: #32 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
25	National Student Clearinghouse Top agencies DCSA (Defense Counterintelligence and Security Agency)	$5,300,000	0.9%	Rank history: not on the FY2021 list, #30 in FY2022, #32 in FY2024 and #21 in FY2025; up 5 since FY2022.
26	Arrow Alliance Industries, LLC Top agencies DOI (Department of the Interior)	$4,999,902	0.8%	Rank history: #24 in FY2021, #16 in FY2022, #50 in FY2024 and #20 in FY2025; down 10 since FY2022.
27	Thomson Reuters Special Services LLC Top agencies DHS (Department of Homeland Security)	$4,920,175	0.8%	Rank history: #26 in FY2021, #33 in FY2022, #30 in FY2024 and #23 in FY2025; up 6 since FY2022.
28	Unison Virtual Acquisition Office LLC Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security) DOS (Department of State)	$4,375,507	0.7%	Rank history: #41 in FY2021, #22 in FY2022, #31 in FY2024 and #36 in FY2025; down 6 since FY2022.
29	The Associated Press Top agencies USAGM (US Agency for Global Media) DOS (Department of State)	$4,241,148	0.7%	Rank history: #35 in FY2021, #39 in FY2022, #33 in FY2024 and #71 in FY2025; up 10 since FY2022.
30	Thomson Company Inc the Through Reuters News & Media Inc. Top agencies USAGM (US Agency for Global Media)	$4,057,399	0.7%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2024 and #1 in FY2025; new.
31	Sayari Analytics, LLC Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) SEC (Securities and Exchange Commission)	$4,034,291	0.7%	Rank history: not on the FY2021 list, #36 in FY2022, #27 in FY2024 and not on the FY2025 list; up 5 since FY2022.
32	Goldbelt Frontier, LLC Top agencies Army (Department of the Army)	$3,933,517	0.6%	Rank history: not on the FY2021 list, #34 in FY2022, #34 in FY2024 and #26 in FY2025; up 2 since FY2022.
33	Staywell Company LLC the Top agencies VA (Department of Veterans Affairs)	$3,771,409	0.6%	Rank history: not on the FY2021 list, #31 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
34	Costar Group, Inc. Through Costar Realty Information, Inc. Top agencies GSA (General Services Administration) HUD (Department of Housing and Urban Development) VA (Department of Veterans Affairs)	$3,628,793	0.6%	Rank history: #38 in FY2021, #35 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
35	Elsevier B.V. Top agencies Commerce (Department of Commerce) DOE (Department of Energy) DHS (Department of Homeland Security)	$3,536,796	0.6%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2024 and #32 in FY2025; up 205 since FY2022.
36	Sinclair Broadcast Group Inc. Through Politico, LLC Top agencies HHS (Department of Health and Human Services) DOE (Department of Energy) DOI (Department of the Interior)	$3,463,860	0.6%	Rank history: #67 in FY2021, #47 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
37	Taft Broadcasting Company, L.L.C. Top agencies DMA (Defense Media Activity)	$3,449,957	0.6%	Rank history: #33 in FY2021, #38 in FY2022, #38 in FY2024 and #53 in FY2025; up 1 since FY2022.
38	Tuvli LLC Top agencies DOS (Department of State)	$3,444,440	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
39	Randstad North America Inc. Through Monster Government Solutions, LLC Top agencies DOS (Department of State)	$3,251,595	0.5%	Rank history: #39 in FY2021, #45 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
40	JAB Innovative Solutions LLC Top agencies DOS (Department of State)	$3,105,613	0.5%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2024 and not on the FY2025 list; new.
41	5150 Labs LLC Top agencies Treasury (Department of the Treasury)	$2,979,215	0.5%	Rank history: not on the FY2021 list, #64 in FY2022, #74 in FY2024 and #59 in FY2025; up 23 since FY2022.
42	Ebsco Information Services, LLC Top agencies VA (Department of Veterans Affairs) DODEA (Department of Defense Education Activity) Treasury (Department of the Treasury)	$2,881,136	0.5%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2024 and #10 in FY2025; new.
43	Dynamic Business Group, Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) NRC (Nuclear Regulatory Commission)	$2,785,835	0.5%	Rank history: #57 in FY2021, #48 in FY2022, #61 in FY2024 and #29 in FY2025; up 5 since FY2022.
44	Quotientsub LLC Top agencies Smithsonian (Smithsonian Institution)	$2,619,578	0.4%	Rank history: #66 in FY2021, #49 in FY2022, #36 in FY2024 and #27 in FY2025; up 5 since FY2022.
45	Glimmer Technologies Inc. Top agencies USAGM (US Agency for Global Media)	$2,579,945	0.4%	Rank history: #77 in FY2021, #72 in FY2022, #41 in FY2024 and #70 in FY2025; up 27 since FY2022.
46	Nationwide Pharmaceutical LLC Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$2,579,775	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 84 since FY2022.
47	Vintun LLC Top agencies Navy (Department of the Navy)	$2,542,469	0.4%	Rank history: #49 in FY2021, #54 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
48	Graham Advisory Network Inc Top agencies VA (Department of Veterans Affairs)	$2,519,974	0.4%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2024 and #24 in FY2025; new.
49	The Institute of Electrical and Electronics Engineers Incorp Through Institute of Electrical & Electronics Engineers Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$2,506,418	0.4%	Rank history: #43 in FY2021, #46 in FY2022, #65 in FY2024 and not on the FY2025 list; down 3 since FY2022.
50	Therapeutic Research Center, LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$2,473,537	0.4%	Rank history: #62 in FY2021, #44 in FY2022, #52 in FY2024 and #81 in FY2025; down 6 since FY2022.
51	The Hearst Corporation 3 awardees, including Fitch Solutions, Inc., Inventory Locator Service, LLC and Creditsights Inc. Top agencies Treasury (Department of the Treasury) DLA (Defense Logistics Agency) EXIM (Export Import Bank of the US)	$2,363,145	0.4%	Rank history: #65 in FY2021, #66 in FY2022, #82 in FY2024 and not on the FY2025 list; up 15 since FY2022.
52	Advancia Ahtna JV, LLC Top agencies SSA (Social Security Administration)	$2,271,906	0.4%	Rank history: #19 in FY2021, #40 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
53	Oclc, Inc. Top agencies Commerce (Department of Commerce) Army (Department of the Army) Navy (Department of the Navy)	$2,205,790	0.4%	Rank history: #53 in FY2021, #59 in FY2022, #46 in FY2024 and #46 in FY2025; up 6 since FY2022.
54	Vibrantech Solutions Inc. Top agencies Treasury (Department of the Treasury)	$2,205,464	0.4%	Rank history: not on the FY2021 list, #71 in FY2022, #88 in FY2024 and not on the FY2025 list; up 17 since FY2022.
55	Alaska Native Government Services LLC Through Copper River Cyber Solutions, LLC Top agencies HHS (Department of Health and Human Services)	$2,161,678	0.4%	Rank history: not on the FY2021 list, #56 in FY2022, #37 in FY2024 and not on the FY2025 list; up 1 since FY2022.
56	Cadet Portfolio, LLC Top agencies Army (Department of the Army)	$2,141,460	0.3%	Rank history: #72 in FY2021, #80 in FY2022, #54 in FY2024 and not on the FY2025 list; up 24 since FY2022.
57	Factiva Inc. Top agencies SEC (Securities and Exchange Commission) SSA (Social Security Administration) Treasury (Department of the Treasury)	$2,059,479	0.3%	Rank history: #52 in FY2021, #60 in FY2022, #66 in FY2024 and not on the FY2025 list; up 3 since FY2022.
58	CGI Technologies and Solutions Inc. Through CGI Federal Inc. Top agencies GAO (Government Accountability Office)	$1,949,578	0.3%	Rank history: not on the FY2021 list, #67 in FY2022, #56 in FY2024 and not on the FY2025 list; up 9 since FY2022.
59	Chickasaw Management Services, LLC Top agencies Commerce (Department of Commerce)	$1,910,347	0.3%	Rank history: not on the FY2021 list, #55 in FY2022, #59 in FY2024 and not on the FY2025 list; down 4 since FY2022.
60	Cobwebs America Inc. Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$1,845,670	0.3%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2024 and not on the FY2025 list; up 90 since FY2022.
61	University of North Carolina At Chapel Hill Top agencies EPA (Environmental Protection Agency)	$1,838,950	0.3%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and #40 in FY2025; up 65 since FY2022.
62	Cadence Group Associates, Inc. Top agencies DOJ (Department of Justice) Army (Department of the Army) DHA (Defense Health Agency)	$1,728,292	0.3%	Rank history: #74 in FY2021, #87 in FY2022, #63 in FY2024 and #80 in FY2025; up 25 since FY2022.
63	Cision US Inc. 2 awardees, including Bulletin Intelligence LLC Top agencies Treasury (Department of the Treasury) HHS (Department of Health and Human Services) ED (Department of Education)	$1,704,881	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 135 since FY2022.
64	Morningstar Inc. 2 awardees, including Pitchbook Data Inc. Top agencies SEC (Securities and Exchange Commission) DOS (Department of State) Treasury (Department of the Treasury)	$1,703,498	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #69 in FY2025; up 42 since FY2022.
65	Logical Images, Inc. Top agencies VA (Department of Veterans Affairs)	$1,696,646	0.3%	Rank history: #61 in FY2021, #68 in FY2022, #67 in FY2024 and #50 in FY2025; up 3 since FY2022.
66	Synnex Corporation Through Concentrix CVG Corporation Top agencies CNCS (Corporation for National and Community Service)	$1,680,829	0.3%	Rank history: #46 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
67	Synergy Enterprises, Inc. Top agencies HHS (Department of Health and Human Services)	$1,671,420	0.3%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2024 and #60 in FY2025; new.
68	Informa Business Intelligence Inc. 4 awardees, including Informa Media LLC, Taylor & Francis Group LLC and Informa TECH LLC Top agencies NASA (National Aeronautics and Space Administration) CFPB (Consumer Financial Protection Bureau) DOT (Department of Transportation)	$1,609,510	0.3%	Rank history: #64 in FY2021, #63 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
69	Select Federal Services, LLC Top agencies NASA (National Aeronautics and Space Administration)	$1,548,391	0.3%	Rank history: #69 in FY2021, #77 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
70	Microhealth LLC Top agencies DOE (Department of Energy)	$1,544,007	0.3%	Rank history: #59 in FY2021, #69 in FY2022, #57 in FY2024 and #44 in FY2025; down 1 since FY2022.
71	Lexisnexis Risk Solutions Inc. Top agencies DHS (Department of Homeland Security)	$1,520,968	0.2%	Rank history: #75 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 84 since FY2022.
72	Novetta Solutions, LLC Through Accenture Federal Services LLC Top agencies USAF (Department of the Air Force)	$1,392,305	0.2%	Rank history: #42 in FY2021, #82 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
73	Mastercard Incorporated Through Ciphertrace Inc. Top agencies Treasury (Department of the Treasury)	$1,378,645	0.2%	Rank history: not on the FY2021 list, #97 in FY2022 and not on the FY2024–FY2025 lists; up 24 since FY2022.
74	Formation Healthcare Group, LLC Top agencies HUD (Department of Housing and Urban Development)	$1,364,900	0.2%	Rank history: #88 in FY2021, #92 in FY2022, not on the FY2024 list and #90 in FY2025; up 18 since FY2022.
75	Hedgelan Consulting LLC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$1,185,561	0.2%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2024 and #77 in FY2025; up 74 since FY2022.
76	J.e. Federal Enterprises, Llc. Top agencies VA (Department of Veterans Affairs) DODEA (Department of Defense Education Activity)	$1,179,214	0.2%	Rank history: #87 in FY2021, #83 in FY2022, #90 in FY2024 and #98 in FY2025; up 7 since FY2022.
77	FWG Solutions Inc. Top agencies Army (Department of the Army)	$1,179,113	0.2%	Rank history: #95 in FY2021, #96 in FY2022 and not on the FY2024–FY2025 lists; up 19 since FY2022.
78	American Medical Association Top agencies VA (Department of Veterans Affairs)	$1,177,152	0.2%	Rank history: #82 in FY2021, #84 in FY2022, #79 in FY2024 and not on the FY2025 list; up 6 since FY2022.
79	National Law Enforcement Telecommunication System (Nlets), Inc. Top agencies DHS (Department of Homeland Security) DOT (Department of Transportation) DCSA (Defense Counterintelligence and Security Agency)	$1,161,074	0.2%	Rank history: #84 in FY2021, #74 in FY2022, #91 in FY2024 and #65 in FY2025; down 5 since FY2022.
80	American Psychiatric Association Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$1,151,749	0.2%	Rank history: #90 in FY2021, #93 in FY2022, #89 in FY2024 and #73 in FY2025; up 13 since FY2022.
81	LRP Publications, Inc. Top agencies DOI (Department of the Interior) Treasury (Department of the Treasury) DOT (Department of Transportation)	$1,138,276	0.2%	Rank history: #100 in FY2021, not on the FY2022 list, #83 in FY2024 and #56 in FY2025; up 20 since FY2022.
82	Bulletin Intelligence LLC Top agencies HHS (Department of Health and Human Services)	$1,134,473	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 41 since FY2022.
83	Technology - Management & Innovative Solutions, LLC Top agencies DHS (Department of Homeland Security) HUD (Department of Housing and Urban Development)	$1,133,739	0.2%	Rank history: #73 in FY2021, #98 in FY2022, #93 in FY2024 and #100 in FY2025; up 15 since FY2022.
84	Thundercat Technology LLC Top agencies Treasury (Department of the Treasury) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$1,126,160	0.2%	Rank history: not on the FY2021 list, #65 in FY2022, #64 in FY2024 and #67 in FY2025; down 19 since FY2022.
85	Dataminr, Inc. Top agencies AOUSC (Administrative Office of the U.S. Courts)	$1,120,000	0.2%	Rank history: #55 in FY2021, #99 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
86	Barbaricum LLC Top agencies DOJ (Department of Justice) DOT (Department of Transportation)	$1,088,297	0.2%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and #72 in FY2025; up 36 since FY2022.
87	John Wiley & Sons Inc. 2 awardees, including Wiley Subscription Services, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) USUHS (DOD Uniformed Services University of the Health Sciences)	$1,086,775	0.2%	Rank history: #85 in FY2021, #81 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
88	Leadership Connect, Inc. Top agencies DHS (Department of Homeland Security) GAO (Government Accountability Office) Commerce (Department of Commerce)	$1,054,179	0.2%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2024 and #61 in FY2025; up 17 since FY2022.
89	Cengage Learning Inc. Top agencies DODEA (Department of Defense Education Activity) DOJ (Department of Justice) USDA (Department of Agriculture)	$987,702	0.2%	Rank history: #63 in FY2021, #89 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
90	Tax Analysts Top agencies Treasury (Department of the Treasury) GAO (Government Accountability Office)	$986,352	0.2%	Rank history: #81 in FY2021, #88 in FY2022, #78 in FY2024 and #66 in FY2025; down 2 since FY2022.
91	Mythics, LLC Through Emergent, LLC Top agencies USAGM (US Agency for Global Media)	$973,826	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 42 since FY2022.
92	Digital Science & Research Solutions Inc. 2 awardees, including Springer Nature Customer Service Center LLC and Springer Nature America, Inc. Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration) DOI (Department of the Interior)	$964,751	0.2%	Rank history: #30 in FY2021, #100 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
93	Mpf-Zai Solutions LLC Top agencies Commerce (Department of Commerce)	$925,454	0.2%	Rank history: #94 in FY2021, #94 in FY2022, #86 in FY2024 and #68 in FY2025; up 1 since FY2022.
94	Argus Media Inc. Top agencies DOE (Department of Energy) DOI (Department of the Interior) DOT (Department of Transportation)	$909,063	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	Overdrive Inc. Top agencies DODEA (Department of Defense Education Activity) DOI (Department of the Interior) DOS (Department of State)	$907,490	0.1%	Rank history: #76 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 34 since FY2022.
96	Trinity-Nextstep LLC Top agencies Navy (Department of the Navy)	$900,034	0.1%	Rank history: #98 in FY2021, not on the FY2022 list, #94 in FY2024 and #78 in FY2025; returned.
97	Nova Technology Corporation Limited. Top agencies DOS (Department of State)	$855,678	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 6 since FY2022.
98	Mackin Book Company Top agencies DODEA (Department of Defense Education Activity)	$848,790	0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2024 and not on the FY2025 list; up 11 since FY2022.
99	The Mitre Corporation Top agencies USAF (Department of the Air Force)	$810,000	0.1%	Rank history: #80 in FY2021, #53 in FY2022 and not on the FY2024–FY2025 lists; down 46 since FY2022.
100	William S. Hein & Co., Inc. Top agencies DOJ (Department of Justice) SSA (Social Security Administration) SEC (Securities and Exchange Commission)	$805,024	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #87 in FY2025; up 11 since FY2022.

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100 of 633 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 519

Code	Net obligations	Largest contractor
5191 Other Information Services	$489,332,344	Thomson Reuters (Tax & Accounting) Inc.
5192 Web Search Portals, Libraries, Archives, and Other Information Services	$91,427,009	Bureau Van Dijk Electronic Publishing Inc.

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $615 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 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 519 contractors in FY2023?

1. Thomson Reuters (Tax & Accounting) Inc. ($50.4M), 2. Relx Inc ($46M), 3. Oil Price Information Service LLC ($37.6M), 4. American Chemical Society ($22.9M), 5. Bloomberg LP ($22.7M), 6. Cox Subscriptions, Inc. ($18.3M), 7. Gartner, Inc. ($17.9M), 8. Ebsco Industries Inc. ($16.6M), 9. Wolters Kluwer N.V. ($14.5M), 10. Mcgraw Hill Financial Inc. ($12.3M).

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