Top 100 Contractors in NAICS 519: Web Search Portals, Libraries, Archives, and Other Information Services, Aug 2025–Jul 2026
Parent companies by net contract obligations Aug 1, 2025 – Jul 31, 2026 Code page on GovTribe
The latest 12 months. See the newest fiscal year's list: Top Contractors in NAICS 519: Web Search Portals, Libraries, Archives, and Other Information Services, FY2025.
The top 10 won 56% of NAICS 519 contract dollars from August 2025 through July 2026
Ranking facts
- Contract obligations
- $469,857,054 Net of deobligations, by contracts coded NAICS 519 or a code under it
- Contractors
- 366 Parent companies with an obligation
- Largest contractor
- West Publishing Corporation $51.7 million, 10.8% of obligations
- Data as of
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 |
West Publishing Corporation
|
$51,702,697 | ||
| 2 |
Lexisnexis Special Services Inc
|
$49,021,401 | ||
| 3 | $33,293,156 | |||
| 4 | $33,221,626 | |||
| 5 | $25,839,820 | |||
| 6 | $16,468,272 | |||
| 7 | $16,435,030 | |||
| 8 |
CCH Incorporated
|
$15,365,083 | ||
| 9 | $14,442,810 | |||
| 10 | $13,060,451 | |||
| 11 | $12,532,247 | |||
| 12 | $10,530,474 | |||
| 13 | $9,775,966 | |||
| 14 | $8,063,038 | |||
| 15 |
IHS Global Inc
|
$7,878,266 | ||
| 16 |
Moody'S Corporation
|
$7,102,744 | ||
| 17 | $5,773,583 | |||
| 18 | $4,132,802 | |||
| 19 |
Panamerica Computers, Inc.
Top agencies
|
$4,083,333 | ||
| 20 | $3,796,638 | |||
| 21 |
Quotientsub LLC
Top agencies
|
$3,545,685 | ||
| 22 | $3,442,936 | |||
| 23 | $3,316,635 | |||
| 24 |
Infostructures Inc.
Top agencies
|
$3,170,076 | ||
| 25 |
The Staywell Co LLC
Top agencies
|
$3,149,064 | ||
| 26 |
Ntrepid, LLC
Top agencies
|
$2,605,039 | ||
| 27 |
Paydesk Limited
Top agencies
|
$2,520,634 | ||
| 28 | $2,479,878 | |||
| 29 |
CQ-Roll Call Inc
|
$2,470,083 | ||
| 30 |
TRM Labs, Inc.
Top agencies
|
$2,432,800 | ||
| 31 |
John Wiley & Sons Inc.
|
$2,394,830 | ||
| 32 |
Pen-Link, Ltd
Top agencies
|
$2,347,250 | ||
| 33 | $2,141,430 | |||
| 34 |
ManTech International Corporation
|
$2,134,564 | ||
| 35 | $2,086,364 | |||
| 36 |
CGI Federal Inc.
Top agencies
|
$2,083,325 | ||
| 37 |
Proquest LLC
|
$2,040,738 | ||
| 38 |
Fiscalnote Inc.
|
$2,026,724 | ||
| 39 |
Bloomberg Industry Group Inc.
|
$1,913,571 | ||
| 40 | $1,875,370 | |||
| 41 |
Logical Images, Inc.
Top agencies
|
$1,782,496 | ||
| 42 | $1,779,811 | |||
| 43 | $1,777,366 | |||
| 44 | $1,724,304 | |||
| 45 | $1,715,721 | |||
| 46 |
Goldbelt, Incorporated
Top agencies
|
$1,668,413 | ||
| 47 |
Thundercat Technology LLC
|
$1,629,391 | ||
| 48 | $1,609,986 | |||
| 49 |
Argus Media Inc.
|
$1,516,877 | ||
| 50 |
Cengage Learning Holdings II Inc.
|
$1,496,622 | ||
| 51 |
Adenza Inc
Top agencies
|
$1,437,503 | ||
| 52 | $1,370,453 | |||
| 53 | $1,338,395 | |||
| 54 |
Montage + Magnum, LLC
Top agencies
|
$1,301,193 | ||
| 55 | $1,271,108 | |||
| 56 | $1,267,589 | |||
| 57 |
Mpf-Zai Solutions LLC
Top agencies
|
$1,266,872 | ||
| 58 | $1,206,056 | |||
| 59 | $1,200,141 | |||
| 60 | $1,131,110 | |||
| 61 |
Informa Business Media Inc.
|
$1,092,795 | ||
| 62 | $1,083,621 | |||
| 63 | $1,010,226 | |||
| 64 |
Trinity-Nextstep LLC
Top agencies
|
$1,001,901 | ||
| 65 |
The Mitre Corporation
Top agencies
|
$1,000,000 | ||
| 66 |
Cadca
Top agencies
|
$998,002 | ||
| 67 | $970,750 | |||
| 68 |
Thorn
Top agencies
|
$933,920 | ||
| 69 |
Mcgraw Hill LLC
|
$863,436 | ||
| 70 | $859,778 | |||
| 71 | $840,591 | |||
| 72 | $826,959 | |||
| 73 | $814,072 | |||
| 74 | $800,695 | |||
| 75 | $787,868 | |||
| 76 | $723,618 | |||
| 77 | $694,497 | |||
| 78 | $689,873 | |||
| 79 | $664,486 | |||
| 80 | $627,927 | |||
| 81 | $624,350 | |||
| 82 | $583,200 | |||
| 83 |
Siertek Ltd.
Top agencies
|
$571,685 | ||
| 84 |
Stryder Corp.
|
$570,115 | ||
| 85 | $532,247 | |||
| 86 |
Sinclair, Inc.
Top agencies
|
$503,062 | ||
| 87 |
Heights Labs, Inc.
Top agencies
|
$500,000 | ||
| 88 |
Potomacwave, Inc.
Top agencies
|
$490,720 | ||
| 89 |
5150 Labs LLC
Top agencies
|
$487,103 | ||
| 90 | $462,619 | |||
| 91 | $460,000 | |||
| 92 |
Ivix TECH Inc.
Top agencies
|
$450,000 | ||
| 93 | $447,407 | |||
| 94 | $422,278 | |||
| 95 | $403,027 | |||
| 96 | $393,160 | |||
| 97 |
Symplr Software LLC
Top agencies
|
$383,312 | ||
| 98 | $381,557 | |||
| 99 | $359,100 | |||
| 100 | $358,472 |
Show 75 more
100 of 366 contractors listed here. See the rest on GovTribe.
Rankings for the codes under NAICS 519
| Code | Net obligations | Largest contractor |
|---|---|---|
| 5192 Web Search Portals, Libraries, Archives, and Other Information Services | $329,641,007 | Lexisnexis Special Services Inc |
| 5191 Other Information Services | $140,216,047 | West Publishing Corporation |
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 $481 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.
- Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
- Rank changes compare with Aug 2024–Jul 2025. "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.
- 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 Aug 2025–Jul 2026?
1. West Publishing Corporation ($51.7M), 2. Lexisnexis Special Services Inc ($49M), 3. American Chemical Society ($33.3M), 4. Allium US Holding LLC ($33.2M), 5. Ebsco Industries Inc. ($25.8M), 6. Bloomberg LP ($16.5M), 7. Cox Subscriptions, Inc. ($16.4M), 8. CCH Incorporated ($15.4M), 9. Hypori, Inc. ($14.4M), 10. S&P Global Market Intelligence LLC ($13.1M).
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