Top 100 Contractors in NAICS 51929: Web Search Portals and All Other Information Services, FY2025

Name: Top 100 Contractors in NAICS 51929: Web Search Portals and All Other Information Services, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 56% of FY2025 NAICS 51929 contract dollars

Contract obligations: $245,965,161 Net of deobligations, by contracts coded NAICS 51929 or a code under it
Contractors: 269 Parent companies with an obligation
Largest contractor: Lexisnexis Special Services Inc $30.3 million, 12.1% of obligations
Data as of: Oct 23, 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	Lexisnexis Special Services Inc 4 awardees, including Relx Inc., Elsevier Inc. and Lnrs Data Services Inc. Top agencies SSA (Social Security Administration) Commerce (Department of Commerce) SEC (Securities and Exchange Commission)	$30,270,493	12.1%	Rank history: #3 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Allium US Holding LLC 2 awardees, including Global Knowledge Solutions LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$15,617,061	6.2%	Rank history: not on the FY2023 list and #15 in FY2024; up 13 since FY2024.
3	West Publishing Corporation Top agencies SSA (Social Security Administration) Army (Department of the Army) DOL (Department of Labor)	$13,527,617	5.4%	Rank history: not on the FY2023 list and #8 in FY2024; up 5 since FY2024.
4	CCH Incorporated 3 awardees, including Uptodate, Inc. and Ovid Technologies, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) SEC (Securities and Exchange Commission)	$13,226,588	5.3%	Rank history: not on the FY2023 list and #48 in FY2024; up 44 since FY2024.
5	Gartner, Inc. Top agencies DOS (Department of State) DOE (Department of Energy) DOT (Department of Transportation)	$12,643,354	5.1%	Rank history: #48 in FY2023 and #3 in FY2024; down 2 since FY2024.
6	American Chemical Society Top agencies Commerce (Department of Commerce) Army (Department of the Army) OSD (Office of the Secretary of Defense)	$11,829,316	4.7%	Rank history: #43 in FY2023 and #66 in FY2024; up 60 since FY2024.
7	Ebsco Industries Inc. 3 awardees, including Ebsco Information Services, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USAF (Department of the Air Force)	$11,315,874	4.5%	Rank history: #32 in FY2023 and not on the FY2024 list; up 107 since FY2024.
8	Hypori, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$10,909,700	4.4%	Rank history: not on the FY2023 list and #2 in FY2024; down 6 since FY2024.
9	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) PBGC (Pension Benefit Guaranty Corporation)	$10,729,590	4.3%	Rank history: #2 in FY2023 and #12 in FY2024; up 3 since FY2024.
10	Dun & Bradstreet, Inc. Top agencies DHS (Department of Homeland Security) EOP (Executive Office of the President) USAF (Department of the Air Force)	$9,863,529	3.9%	Rank history: not on the FY2023 list and #7 in FY2024; down 3 since FY2024.
11	Reuters News & Media Inc. 3 awardees, including Clarivate Analytics (Us) LLC, Refinitiv US LLC and Thomson Reuters (Tax & Accounting), Inc. Top agencies Commerce (Department of Commerce) Treasury (Department of the Treasury) SEC (Securities and Exchange Commission)	$8,509,422	3.4%	Rank history: not on the FY2023–FY2024 lists; new.
12	IHS Global Inc 2 awardees Top agencies DOI (Department of the Interior) Commerce (Department of Commerce) USAF (Department of the Air Force)	$5,887,439	2.4%	Rank history: not on the FY2023 list and #17 in FY2024; up 5 since FY2024.
13	Cox Subscriptions, Inc. Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$5,571,147	2.2%	Rank history: #23 in FY2023 and #10 in FY2024; down 3 since FY2024.
14	National Student Clearinghouse Top agencies DCSA (Defense Counterintelligence and Security Agency)	$4,951,791	2.0%	Rank history: not on the FY2023 list and #11 in FY2024; down 3 since FY2024.
15	Moody'S Corporation 2 awardees, including Moody's Analytics, Inc. Top agencies HUD (Department of Housing and Urban Development) Treasury (Department of the Treasury) USITC (International Trade Commission)	$4,942,809	2.0%	Rank history: #1 in FY2023 and #4 in FY2024; down 11 since FY2024.
16	Graham Advisory Network Inc. 2 awardees Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$4,665,005	1.9%	Rank history: #6 in FY2023 and #16 in FY2024; unchanged since FY2024.
17	S&P Global Inc. 5 awardees, including S&P Global Market Intelligence LLC, Crisil Irevna US LLC and Markit North America Inc. Top agencies Treasury (Department of the Treasury) Commerce (Department of Commerce) PBGC (Pension Benefit Guaranty Corporation)	$4,644,624	1.9%	Rank history: #14 in FY2023 and not on the FY2024 list; up 140 since FY2024.
18	News Corporation 2 awardees, including Factiva Inc. and Dow Jones & Company, Inc. Top agencies SEC (Securities and Exchange Commission) USAF (Department of the Air Force) DOS (Department of State)	$3,756,816	1.5%	Rank history: #63 in FY2023 and #87 in FY2024; up 69 since FY2024.
19	Chickasaw Nation Through Chickasaw Business Solutions, LLC Top agencies DOE (Department of Energy)	$3,111,748	1.2%	Rank history: not on the FY2023–FY2024 lists; new.
20	Pen-Link, Ltd 2 awardees, including Cobwebs America Inc. Top agencies DHS (Department of Homeland Security)	$2,523,563	1.0%	Rank history: not on the FY2023–FY2024 lists; new.
21	TRM Labs, Inc. Top agencies Treasury (Department of the Treasury)	$2,432,800	1.0%	Rank history: not on the FY2023–FY2024 lists; new.
22	ManTech International Corporation Through Unison Virtual Acquisition Office LLC Top agencies VA (Department of Veterans Affairs) DOS (Department of State) DOE (Department of Energy)	$2,375,807	1.0%	Rank history: not on the FY2023–FY2024 lists; new.
23	Microhealth LLC Top agencies DOE (Department of Energy)	$1,905,345	0.8%	Rank history: not on the FY2023 list and #26 in FY2024; up 3 since FY2024.
24	Costar Realty Information, Inc. Top agencies HUD (Department of Housing and Urban Development) Treasury (Department of the Treasury) VA (Department of Veterans Affairs)	$1,851,158	0.7%	Rank history: not on the FY2023 list and #19 in FY2024; down 5 since FY2024.
25	Logical Images, Inc. Top agencies VA (Department of Veterans Affairs)	$1,782,496	0.7%	Rank history: not on the FY2023 list and #28 in FY2024; up 3 since FY2024.
26	Proquest LLC Top agencies GAO (Government Accountability Office) DODEA (Department of Defense Education Activity) Army (Department of the Army)	$1,627,910	0.7%	Rank history: not on the FY2023 list and #25 in FY2024; down 1 since FY2024.
27	Techinsights USA Inc. Top agencies Commerce (Department of Commerce)	$1,500,000	0.6%	Rank history: not on the FY2023–FY2024 lists; new.
28	Adenza Inc Top agencies CFTC (Commodity Futures Trading Commission)	$1,437,503	0.6%	Rank history: not on the FY2023–FY2024 lists; new.
29	Synergy Enterprises, Inc. Top agencies HHS (Department of Health and Human Services)	$1,383,799	0.6%	Rank history: #9 in FY2023 and #32 in FY2024; up 3 since FY2024.
30	Fiscalnote Inc. Top agencies DOS (Department of State) DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$1,319,741	0.5%	Rank history: not on the FY2023 list and #35 in FY2024; up 5 since FY2024.
31	Ntrepid, LLC Top agencies DOJ (Department of Justice)	$1,302,511	0.5%	Rank history: not on the FY2023–FY2024 lists; new.
32	Thundercat Technology LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$1,246,550	0.5%	Rank history: #31 in FY2023 and #27 in FY2024; down 5 since FY2024.
33	Leadership Connect, Inc. Top agencies GAO (Government Accountability Office) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$1,204,488	0.5%	Rank history: #72 in FY2023 and #56 in FY2024; up 23 since FY2024.
34	Tax Analysts Top agencies Treasury (Department of the Treasury) GAO (Government Accountability Office)	$1,192,142	0.5%	Rank history: #16 in FY2023 and #38 in FY2024; up 4 since FY2024.
35	National Law Enforcement Telecommunication System (Nlets), Inc. Top agencies DCSA (Defense Counterintelligence and Security Agency) DHS (Department of Homeland Security) DOT (Department of Transportation)	$1,183,014	0.5%	Rank history: #28 in FY2023 and #63 in FY2024; up 28 since FY2024.
36	Argus Media Inc. Top agencies DOE (Department of Energy) Treasury (Department of the Treasury)	$992,634	0.4%	Rank history: #19 in FY2023 and #41 in FY2024; up 5 since FY2024.
37	LRP Publications, Inc. Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury) Navy (Department of the Navy)	$982,719	0.4%	Rank history: #27 in FY2023 and #51 in FY2024; up 14 since FY2024.
38	John Wiley & Sons Inc. Top agencies USDA (Department of Agriculture) USUHS (DOD Uniformed Services University of the Health Sciences) Navy (Department of the Navy)	$946,516	0.4%	Rank history: not on the FY2023 list and #46 in FY2024; up 8 since FY2024.
39	Thorn Top agencies DHS (Department of Homeland Security)	$933,920	0.4%	Rank history: not on the FY2023–FY2024 lists; new.
40	Mcgraw Hill LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$861,273	0.3%	Rank history: not on the FY2023–FY2024 lists; new.
41	Montage + Magnum, LLC Top agencies NSF (National Science Foundation)	$840,659	0.3%	Rank history: not on the FY2023 list and #34 in FY2024; down 7 since FY2024.
42	Institute of Electrical & Electronics Engineers Inc. Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce) GAO (Government Accountability Office)	$801,217	0.3%	Rank history: not on the FY2023 list and #40 in FY2024; down 2 since FY2024.
43	The Ives Group, Inc. Top agencies SEC (Securities and Exchange Commission)	$762,568	0.3%	Rank history: not on the FY2023–FY2024 lists; new.
44	Factset Research Systems Inc. Top agencies SEC (Securities and Exchange Commission) Treasury (Department of the Treasury) CFTC (Commodity Futures Trading Commission)	$725,867	0.3%	Rank history: #25 in FY2023 and #52 in FY2024; up 8 since FY2024.
45	Fitch Solutions, Inc. Top agencies HUD (Department of Housing and Urban Development) PBGC (Pension Benefit Guaranty Corporation) Treasury (Department of the Treasury)	$719,479	0.3%	Rank history: not on the FY2023–FY2024 lists; up 87 since FY2024.
46	Jane'S Group UK Limited Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$714,429	0.3%	Rank history: not on the FY2023 list and #23 in FY2024; down 23 since FY2024.
47	Potomacwave, Inc. Top agencies DOS (Department of State)	$712,200	0.3%	Rank history: not on the FY2023–FY2024 lists; new.
48	Cengage Learning Holdings II Inc. Through Cengage Learning, Inc. Top agencies USAF (Department of the Air Force) DODEA (Department of Defense Education Activity) DOJ (Department of Justice)	$694,442	0.3%	Rank history: not on the FY2023–FY2024 lists; up 146 since FY2024.
49	National Association for Public Health Statistics and Information Systems, Inc. Top agencies DCSA (Defense Counterintelligence and Security Agency)	$650,000	0.3%	Rank history: not on the FY2023–FY2024 lists; new.
50	William S. Hein & Co., Inc. Top agencies Treasury (Department of the Treasury) DOS (Department of State) DOJ (Department of Justice)	$614,546	0.2%	Rank history: #50 in FY2023 and #65 in FY2024; up 15 since FY2024.
51	Vikusa LLC Top agencies FCC (Federal Communications Commission)	$612,011	0.2%	Rank history: not on the FY2023 list and #39 in FY2024; down 12 since FY2024.
52	CQ-Roll Call Inc 3 awardees, including Financial Times Limited(The) and The Economist Intelligence Unit, NA, Incorporated Top agencies SEC (Securities and Exchange Commission) DFC (International Development Finance Corporation) MDA (DOD Missile Defense Agency)	$585,969	0.2%	Rank history: #33 in FY2023 and #69 in FY2024; up 17 since FY2024.
53	Datix (USA) Inc. Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$568,000	0.2%	Rank history: not on the FY2023 list and #58 in FY2024; up 5 since FY2024.
54	American Psychiatric Association Top agencies VA (Department of Veterans Affairs)	$553,088	0.2%	Rank history: #26 in FY2023 and #54 in FY2024; unchanged since FY2024.
55	Poplicus Incorporated Top agencies Commerce (Department of Commerce)	$540,000	0.2%	Rank history: not on the FY2023 list and #43 in FY2024; down 12 since FY2024.
56	Camp Systems International Inc. Through Inventory Locator Service, LLC Top agencies DLA (Defense Logistics Agency)	$518,345	0.2%	Rank history: not on the FY2023–FY2024 lists; new.
57	Heights Labs, Inc. Top agencies DHS (Department of Homeland Security)	$500,000	0.2%	Rank history: not on the FY2023–FY2024 lists; new.
58	Informa Business Media Inc. 3 awardees, including Informa Media LLC, Taylor & Francis Group LLC and Informa TECH LLC Top agencies DOT (Department of Transportation) Army (Department of the Army) Navy (Department of the Navy)	$482,107	0.2%	Rank history: not on the FY2023 list and #47 in FY2024; down 11 since FY2024.
59	Morningstar Inc. 2 awardees, including Pitchbook Data Inc. Top agencies SEC (Securities and Exchange Commission) Treasury (Department of the Treasury) PBGC (Pension Benefit Guaranty Corporation)	$480,323	0.2%	Rank history: #11 in FY2023 and not on the FY2024 list; up 50 since FY2024.
60	Ivix TECH Inc. Top agencies Treasury (Department of the Treasury)	$450,000	0.2%	Rank history: not on the FY2023–FY2024 lists; new.
61	Technology - Management & Innovative Solutions, LLC Top agencies DHS (Department of Homeland Security)	$438,384	0.2%	Rank history: #36 in FY2023 and #42 in FY2024; down 19 since FY2024.
62	Wood Mackenzie Inc Top agencies EPA (Environmental Protection Agency) DOE (Department of Energy) DOI (Department of the Interior)	$426,362	0.2%	Rank history: not on the FY2023 list and #74 in FY2024; up 12 since FY2024.
63	Oil Price Information Service LLC Top agencies DLA (Defense Logistics Agency) DOI (Department of the Interior)	$412,868	0.2%	Rank history: not on the FY2023–FY2024 lists; up 149 since FY2024.
64	Vintun LLC Top agencies DLA (Defense Logistics Agency)	$399,802	0.2%	Rank history: not on the FY2023–FY2024 lists; new.
65	J.e. Federal Enterprises, Llc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$397,545	0.2%	Rank history: #46 in FY2023 and #70 in FY2024; up 5 since FY2024.
66	Oclc, Inc. Top agencies Commerce (Department of Commerce) DOT (Department of Transportation) HHS (Department of Health and Human Services)	$380,420	0.2%	Rank history: not on the FY2023–FY2024 lists; up 82 since FY2024.
67	Stryder Corp. Top agencies HHS (Department of Health and Human Services) CFPB (Consumer Financial Protection Bureau)	$367,225	0.1%	Rank history: not on the FY2023 list and #33 in FY2024; down 34 since FY2024.
68	Dtn, LLC Top agencies CFTC (Commodity Futures Trading Commission) USDA (Department of Agriculture)	$353,635	0.1%	Rank history: not on the FY2023–FY2024 lists; up 44 since FY2024.
69	Loveland Technologies LLC Top agencies Commerce (Department of Commerce) USDA (Department of Agriculture)	$325,000	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
70	Vortexa Inc. Top agencies DOE (Department of Energy)	$305,834	0.1%	Rank history: #42 in FY2023 and #82 in FY2024; up 12 since FY2024.
71	Preqin Ltd Top agencies SEC (Securities and Exchange Commission) Treasury (Department of the Treasury)	$299,665	0.1%	Rank history: #39 in FY2023 and #76 in FY2024; up 5 since FY2024.
72	Rane Network Inc. Top agencies Denali Commission Navy (Department of the Navy) WHS (DOD Washington Headquarters Service)	$289,345	0.1%	Rank history: not on the FY2023 list and #97 in FY2024; up 25 since FY2024.
73	Oxford University Press LLC Through The Chancellor Masters & Scholars of the University of Oxford Top agencies USDA (Department of Agriculture) DOJ (Department of Justice) CFPB (Consumer Financial Protection Bureau)	$281,967	0.1%	Rank history: not on the FY2023 list and #73 in FY2024; unchanged since FY2024.
74	Ibisworld Inc. Top agencies Army (Department of the Army) Treasury (Department of the Treasury) DOT (Department of Transportation)	$262,645	0.1%	Rank history: not on the FY2023 list and #89 in FY2024; up 15 since FY2024.
75	Sinclair, Inc. Through Politico, LLC Top agencies GAO (Government Accountability Office) DOE (Department of Energy) Commerce (Department of Commerce)	$259,711	0.1%	Rank history: #35 in FY2023 and not on the FY2024 list; up 153 since FY2024.
76	Middle East Internet Co. Ltd. - Cyberia Top agencies DOS (Department of State)	$252,098	0.1%	Rank history: #34 in FY2023 and #68 in FY2024; down 8 since FY2024.
77	State Analysis, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) HHS (Department of Health and Human Services)	$251,788	0.1%	Rank history: not on the FY2023 list and #84 in FY2024; up 7 since FY2024.
78	Vistra Communications, LLC Top agencies VA (Department of Veterans Affairs)	$245,506	0.1%	Rank history: not on the FY2023 list and #95 in FY2024; up 17 since FY2024.
79	Third Iron LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$232,567	0.1%	Rank history: not on the FY2023 list and #81 in FY2024; up 2 since FY2024.
80	Aware Inc. Top agencies DHS (Department of Homeland Security)	$232,253	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
81	Digital Vertex Federal, LLC Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$230,971	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
82	Transitsecurityreport.com Inc. Top agencies USAF (Department of the Air Force)	$225,000	0.1%	Rank history: not on the FY2023 list and #99 in FY2024; up 17 since FY2024.
83	Cerifi LLC Top agencies SSA (Social Security Administration) DOJ (Department of Justice)	$219,846	0.1%	Rank history: #71 in FY2023 and #93 in FY2024; up 10 since FY2024.
84	Ice Mortgage Technology Inc. 2 awardees, including Black Knight Data & Analytics LLC Top agencies CFPB (Consumer Financial Protection Bureau) Treasury (Department of the Treasury)	$213,000	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
85	Paydesk Limited Top agencies USAGM (US Agency for Global Media)	$200,000	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
86	Questel-Orbit Incorporated Top agencies Commerce (Department of Commerce)	$198,000	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
87	The Trustees of the University of Pennsylvania Top agencies SEC (Securities and Exchange Commission)	$183,754	0.1%	Rank history: not on the FY2023–FY2024 lists; up 52 since FY2024.
88	CB Information Services Inc. Top agencies Treasury (Department of the Treasury)	$177,406	0.1%	Rank history: #84 in FY2023 and not on the FY2024 list; up 13 since FY2024.
89	Cision US Inc. Top agencies Treasury (Department of the Treasury) NSF (National Science Foundation)	$177,191	0.1%	Rank history: not on the FY2023 list and #55 in FY2024; down 34 since FY2024.
90	Klas Enterprises LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$169,900	0.1%	Rank history: #67 in FY2023 and not on the FY2024 list; up 12 since FY2024.
91	Mergent Inc. Top agencies Treasury (Department of the Treasury) SEC (Securities and Exchange Commission) DOS (Department of State)	$164,331	0.1%	Rank history: not on the FY2023–FY2024 lists; up 61 since FY2024.
92	American Society of Civil Engineers Top agencies Army (Department of the Army)	$160,900	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
93	Grupo De Comunicaciones Digitales S.A. Top agencies DOS (Department of State)	$159,991	0.1%	Rank history: not on the FY2023 list and #94 in FY2024; up 1 since FY2024.
94	Getty Images (Us), Inc. Top agencies Treasury (Department of the Treasury) SEC (Securities and Exchange Commission) SSA (Social Security Administration)	$157,506	0.1%	Rank history: not on the FY2023 list and #91 in FY2024; down 3 since FY2024.
95	Nova Technology Corporation Limited. Top agencies DOS (Department of State)	$154,063	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
96	Calcbench, Inc. Top agencies SEC (Securities and Exchange Commission)	$150,000	0.1%	Rank history: not on the FY2023–FY2024 lists; new.
97	Skilltran LLC Top agencies SSA (Social Security Administration)	$146,046	0.1%	Rank history: not on the FY2023–FY2024 lists; up 19 since FY2024.
98	Dronesec Inc. Top agencies DOJ (Department of Justice)	$143,000	0.1%	Rank history: not on the FY2023–FY2024 lists; up 10 since FY2024.
99	American Society for Testing and Materials Top agencies Navy (Department of the Navy) NRC (Nuclear Regulatory Commission) GAO (Government Accountability Office)	$140,569	0.1%	Rank history: not on the FY2023–FY2024 lists; up 4 since FY2024.
100	ICE Data Derivatives UK Limited Top agencies SEC (Securities and Exchange Commission)	$136,534	0.1%	Rank history: not on the FY2023–FY2024 lists; up 13 since FY2024.

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100 of 269 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 51929

Code	Net obligations	Largest contractor
519290 Web Search Portals and All Other Information Services	$245,965,161	Lexisnexis Special Services 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 $250 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2023, #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 FY2024 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 51929 contractors in FY2025?

1. Lexisnexis Special Services Inc ($30.3M), 2. Allium US Holding LLC ($15.6M), 3. West Publishing Corporation ($13.5M), 4. CCH Incorporated ($13.2M), 5. Gartner, Inc. ($12.6M), 6. American Chemical Society ($11.8M), 7. Ebsco Industries Inc. ($11.3M), 8. Hypori, Inc. ($10.9M), 9. Bloomberg LP ($10.7M), 10. Dun & Bradstreet, Inc. ($9.86M).

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