Company lists · Data refreshed September 2026
Top 25 Library systems based in the United States
RevenueBase identified 812 company matches for library systems associated with the United States as of September 2026 and tracks 29,378 professional contacts across them, including 10,746 with verified work emails. New York is the largest hub.
This list covers company matches for library systems associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest library systems based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,494 contacts → | ||||
Exact match “The New York Public Library is a free provider of education and information for the people of New York and beyond.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 1,087 contacts → | ||||
Exact match “Established in 1896, Brooklyn Public Library is the nation’s sixth largest public library system and currently has nearly active cardholders.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 812 contacts → | ||||
Exact match “Queens Public Library is one of the largest and busiest public library systems in the United States, dedicated to serving the most ethnically and culturally diverse area in the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 714 contacts → | ||||
Exact match “Since 1873, Chicago Public Library (CPL) has encouraged lifelong learning by welcoming all people and offering equal access to information, entertainment and knowledge through…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 682 contacts → | ||||
Exact match “KCLS Strategic Focus: We create opportunities by connecting people – individuals at all stages of life, families, communities and organizations – with: • Information and services…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 671 contacts → | ||||
Exact match “The Los Angeles Public Library provides free and easy access to information, ideas, books and technology that enrich, educate and empower every individual in our city's diverse…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 599 contacts → | ||||
Exact match “Cincinnati & Hamilton County Public Library has been cultivating curiosity from the moment we first opened our doors in 1853.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 518 contacts → | ||||
Exact match “Cuyahoga County Public Library serves 47 communities with 27 branches.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 473 contacts → | ||||
Exact match “One county.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 462 contacts → | ||||
Exact match “Charlotte Mecklenburg Library is one of America’s leading urban public libraries, serving one of the country’s great emerging metropolitan areas in North Carolina.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 422 contacts → | ||||
Exact match “For over 50 years, Bibliotheca has partnered with libraries to meet the needs of their communities worldwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 418 contacts → | ||||
Exact match “The Indianapolis Public Library is the community's place to access essential information resources, technology, programs and services; foster reading and learning and promote the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 376 contacts → | ||||
Exact match “Mid-Continent Public Library is the largest public library system in Missouri, serving nearly people in the greater Kansas City metropolitan area across Clay, Jackson, and Platte…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 359 contacts → | ||||
Exact match “Boston Public Library provides educational, cultural and civic enrichment, free to all, for the residents of Boston, Massachusetts and beyond, through its collections, services…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 327 contacts → | ||||
Exact match “Advancing knowledge.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 324 contacts → | ||||
Exact match “Enriching lives through experiences and opportunities to learn, grow and connect.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 316 contacts → | ||||
Exact match “Harris County Public Library (HCPL) provides information and resources to enrich lives and strengthen communities through innovative services within and beyond our walls.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 313 contacts → | ||||
Exact match “Sno-Isle Libraries serves residents across 2,260 square miles in Snohomish and Island county through 23 community libraries, online services, and Library on Wheels.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 312 contacts → | ||||
Exact match “Sacramento Public Library is the fourth largest library system in California with 28 locations serving 1.4M urban, suburban and rural residents.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 303 contacts → | ||||
Exact match “SirsiDynix is the world’s leading provider of library technology solutions, connecting over 300 million people with information and resources at more than academic, public…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 282 contacts → | ||||
Exact match “Awarded the National Medal in 2017 by the Institute of Museum and Library Services, Richland Library is a vibrant, contemporary organization that provides resources and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 271 contacts → | ||||
Exact match “Jefferson County Public Library servers more than residents from ten different locations: Arvada, Belmar, Columbine, Conifer, Edgewater, Evergreen, Golden, Lakewood, Standley Lake…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 262 contacts → | ||||
Exact match “Our mission: Enriching the community through lifelong learning and discovery.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 240 contacts → | ||||
Exact match “Our vision is an empowered community where all people reach their potential.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 233 contacts → | ||||
Exact match “The Miami-Dade Public Library System is located in one of the most dynamic and diverse geographic areas in the United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “library systems”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 812 library systems based in the United States
See the full list, filter by size, metro and specialty, and access 10,746 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Library systems based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 812 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “library systems” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 10,746 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “library systems”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many library systems are there based in the United States?
RevenueBase identified 812 company matches for library systems associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
The NEW York Public Library tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most library systems?
New York leads with 7 company records, followed by Durham (5) and Washington (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 10,746 professional contacts with verified work emails tracked across these 812 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 812 library systems based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Library systems based in Canada
- Library systems based in the Netherlands
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 library systems based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 812 matching company records for library systems based in the United States, with 29,378 tracked contacts and 10,746 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 library systems based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  The NEW York Public Librarynypl.orgHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,494 contacts → |
“The New York Public Library is a free provider of education and information for the people of New York and beyond.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Brooklyn Public Librarybklynlibrary.orgHQ: Brooklyn, NY, United StatesReported employees: 1,001-5,000 | Brooklyn, NY, United States | 1,001-5,000 | Exact match | 1,087 contacts → |
“Established in 1896, Brooklyn Public Library is the nation’s sixth largest public library system and currently has nearly active cardholders.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Queens Public Libraryqueenslibrary.orgHQ: Jamaica, NY, United StatesReported employees: 1,001-5,000 | Jamaica, NY, United States | 1,001-5,000 | Exact match | 812 contacts → |
“Queens Public Library is one of the largest and busiest public library systems in the United States, dedicated to serving the most ethnically and culturally diverse area in the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Chicago Public Librarychipublib.orgHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 714 contacts → |
“Since 1873, Chicago Public Library (CPL) has encouraged lifelong learning by welcoming all people and offering equal access to information, entertainment and knowledge through…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  King County Library Systemkcls.orgHQ: Issaquah, WA, United StatesReported employees: 1,001-5,000 | Issaquah, WA, United States | 1,001-5,000 | Exact match | 682 contacts → |
“KCLS Strategic Focus: We create opportunities by connecting people – individuals at all stages of life, families, communities and organizations – with: • Information and services…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  LOS Angeles Public Librarylapl.orgHQ: Los Angeles, United StatesReported employees: 501-1,000 | Los Angeles, United States | 501-1,000 | Exact match | 671 contacts → |
“The Los Angeles Public Library provides free and easy access to information, ideas, books and technology that enrich, educate and empower every individual in our city's diverse…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 599 contacts → |
“Cincinnati & Hamilton County Public Library has been cultivating curiosity from the moment we first opened our doors in 1853.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cuyahoga County Public Librarycuyahogalibrary.org HQ: Parma, OH, United StatesReported employees: 501-1,000 | Parma, OH, United States | 501-1,000 | Exact match | 518 contacts → |
“Cuyahoga County Public Library serves 47 communities with 27 branches.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Hennepin County Libraryhclib.org HQ: Minnetonka, MN, United StatesReported employees: 501-1,000 | Minnetonka, MN, United States | 501-1,000 | Exact match | 473 contacts → |
“One county.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Charlotte Mecklenburg Librarycmlibrary.orgHQ: Charlotte, NC, United StatesReported employees: 201-500 | Charlotte, NC, United States | 201-500 | Exact match | 462 contacts → |
“Charlotte Mecklenburg Library is one of America’s leading urban public libraries, serving one of the country’s great emerging metropolitan areas in North Carolina.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bibliothecabibliotheca.comHQ: Lake Elmo, MN, United StatesReported employees: 201-500 | Lake Elmo, MN, United States | 201-500 | Exact match | 422 contacts → |
“For over 50 years, Bibliotheca has partnered with libraries to meet the needs of their communities worldwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  The Indianapolis Public Libraryindypl.orgHQ: Indianapolis, IN, United StatesReported employees: 501-1,000 | Indianapolis, IN, United States | 501-1,000 | Exact match | 418 contacts → |
“The Indianapolis Public Library is the community's place to access essential information resources, technology, programs and services; foster reading and learning and promote the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mid-Continent Public Librarymymcpl.orgHQ: Independence, MO, United StatesReported employees: 501-1,000 | Independence, MO, United States | 501-1,000 | Exact match | 376 contacts → |
“Mid-Continent Public Library is the largest public library system in Missouri, serving nearly people in the greater Kansas City metropolitan area across Clay, Jackson, and Platte…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Boston Public Librarybpl.orgHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 359 contacts → |
“Boston Public Library provides educational, cultural and civic enrichment, free to all, for the residents of Boston, Massachusetts and beyond, through its collections, services…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Carnegie Library Of Pittsburghcarnegielibrary.orgHQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 327 contacts → |
“Advancing knowledge.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Orange County Library Systemocls.org HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 324 contacts → |
“Enriching lives through experiences and opportunities to learn, grow and connect.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Harris County Public Libraryhcpl.netHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 316 contacts → |
“Harris County Public Library (HCPL) provides information and resources to enrich lives and strengthen communities through innovative services within and beyond our walls.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Sno-Isle Librariessno-isle.orgHQ: Tulalip, WA, United StatesReported employees: 201-500 | Tulalip, WA, United States | 201-500 | Exact match | 313 contacts → |
“Sno-Isle Libraries serves residents across 2,260 square miles in Snohomish and Island county through 23 community libraries, online services, and Library on Wheels.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sacramento Public Librarysaclibrary.org HQ: Sacramento, CA, United StatesReported employees: 201-500 | Sacramento, CA, United States | 201-500 | Exact match | 312 contacts → |
“Sacramento Public Library is the fourth largest library system in California with 28 locations serving 1.4M urban, suburban and rural residents.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Sirsidynixsirsidynix.comHQ: Lehi, UT, United StatesReported employees: 201-500 | Lehi, UT, United States | 201-500 | Exact match | 303 contacts → |
“SirsiDynix is the world’s leading provider of library technology solutions, connecting over 300 million people with information and resources at more than academic, public…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Richland Libraryrichlandlibrary.comHQ: Columbia, SC, United StatesReported employees: 201-500 | Columbia, SC, United States | 201-500 | Exact match | 282 contacts → |
“Awarded the National Medal in 2017 by the Institute of Museum and Library Services, Richland Library is a vibrant, contemporary organization that provides resources and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Jefferson County Public Libraryjeffcolibrary.org HQ: Lakewood, CO, United StatesReported employees: 201-500 | Lakewood, CO, United States | 201-500 | Exact match | 271 contacts → |
“Jefferson County Public Library servers more than residents from ten different locations: Arvada, Belmar, Columbine, Conifer, Edgewater, Evergreen, Golden, Lakewood, Standley Lake…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Allen County Public Libraryacpl.lib.in.usHQ: Fort Wayne, IN, United StatesReported employees: 201-500 | Fort Wayne, IN, United States | 201-500 | Exact match | 262 contacts → |
“Our mission: Enriching the community through lifelong learning and discovery.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Howard County Library Systemhclibrary.orgHQ: Ellicott City, MD, United StatesReported employees: 201-500 | Ellicott City, MD, United States | 201-500 | Exact match | 240 contacts → |
“Our vision is an empowered community where all people reach their potential.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Miami-Dade Public Library Systemmdpls.org HQ: Miami, FL, United StatesReported employees: 501-1,000 | Miami, FL, United States | 501-1,000 | Exact match | 233 contacts → |
“The Miami-Dade Public Library System is located in one of the most dynamic and diverse geographic areas in the United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 812 company matches
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Library systems: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
805 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 812 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for library systems?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many library systems did RevenueBase find based in the United States?
The saved snapshot records 812 matching company records, 29,378 tracked contacts and 10,746 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Library systems by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 library systems based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/library-systems/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Library systems based in Canada
- Library systems based in the Netherlands
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 library systems based in the United States
RevenueBase records 812 matching company records for library systems based in the United States, with 29,378 tracked contacts and 10,746 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 library systems based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | The NEW York Public Librarynypl.org HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,494 contacts → |
“The New York Public Library is a free provider of education and information for the people of New York and beyond.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Brooklyn Public Librarybklynlibrary.org HQ: Brooklyn, NY, United StatesReported employees: 1,001-5,000 | Brooklyn, NY, United States | 1,001-5,000 | Exact match | 1,087 contacts → |
“Established in 1896, Brooklyn Public Library is the nation’s sixth largest public library system and currently has nearly active cardholders.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Queens Public Libraryqueenslibrary.org HQ: Jamaica, NY, United StatesReported employees: 1,001-5,000 | Jamaica, NY, United States | 1,001-5,000 | Exact match | 812 contacts → |
“Queens Public Library is one of the largest and busiest public library systems in the United States, dedicated to serving the most ethnically and culturally diverse area in the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Chicago Public Librarychipublib.org HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 714 contacts → |
“Since 1873, Chicago Public Library (CPL) has encouraged lifelong learning by welcoming all people and offering equal access to information, entertainment and knowledge through…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | King County Library Systemkcls.org HQ: Issaquah, WA, United StatesReported employees: 1,001-5,000 | Issaquah, WA, United States | 1,001-5,000 | Exact match | 682 contacts → |
“KCLS Strategic Focus: We create opportunities by connecting people – individuals at all stages of life, families, communities and organizations – with: • Information and services…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | LOS Angeles Public Librarylapl.org HQ: Los Angeles, United StatesReported employees: 501-1,000 | Los Angeles, United States | 501-1,000 | Exact match | 671 contacts → |
“The Los Angeles Public Library provides free and easy access to information, ideas, books and technology that enrich, educate and empower every individual in our city's diverse…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 599 contacts → |
“Cincinnati & Hamilton County Public Library has been cultivating curiosity from the moment we first opened our doors in 1853.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cuyahoga County Public Librarycuyahogalibrary.org HQ: Parma, OH, United StatesReported employees: 501-1,000 | Parma, OH, United States | 501-1,000 | Exact match | 518 contacts → |
“Cuyahoga County Public Library serves 47 communities with 27 branches.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Hennepin County Libraryhclib.org HQ: Minnetonka, MN, United StatesReported employees: 501-1,000 | Minnetonka, MN, United States | 501-1,000 | Exact match | 473 contacts → |
“One county.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Charlotte Mecklenburg Librarycmlibrary.org HQ: Charlotte, NC, United StatesReported employees: 201-500 | Charlotte, NC, United States | 201-500 | Exact match | 462 contacts → |
“Charlotte Mecklenburg Library is one of America’s leading urban public libraries, serving one of the country’s great emerging metropolitan areas in North Carolina.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bibliothecabibliotheca.com HQ: Lake Elmo, MN, United StatesReported employees: 201-500 | Lake Elmo, MN, United States | 201-500 | Exact match | 422 contacts → |
“For over 50 years, Bibliotheca has partnered with libraries to meet the needs of their communities worldwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | The Indianapolis Public Libraryindypl.org HQ: Indianapolis, IN, United StatesReported employees: 501-1,000 | Indianapolis, IN, United States | 501-1,000 | Exact match | 418 contacts → |
“The Indianapolis Public Library is the community's place to access essential information resources, technology, programs and services; foster reading and learning and promote the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mid-Continent Public Librarymymcpl.org HQ: Independence, MO, United StatesReported employees: 501-1,000 | Independence, MO, United States | 501-1,000 | Exact match | 376 contacts → |
“Mid-Continent Public Library is the largest public library system in Missouri, serving nearly people in the greater Kansas City metropolitan area across Clay, Jackson, and Platte…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Boston Public Librarybpl.org HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 359 contacts → |
“Boston Public Library provides educational, cultural and civic enrichment, free to all, for the residents of Boston, Massachusetts and beyond, through its collections, services…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Carnegie Library Of Pittsburghcarnegielibrary.org HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 327 contacts → |
“Advancing knowledge.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Orange County Library Systemocls.org HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 324 contacts → |
“Enriching lives through experiences and opportunities to learn, grow and connect.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Harris County Public Libraryhcpl.net HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 316 contacts → |
“Harris County Public Library (HCPL) provides information and resources to enrich lives and strengthen communities through innovative services within and beyond our walls.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sno-Isle Librariessno-isle.org HQ: Tulalip, WA, United StatesReported employees: 201-500 | Tulalip, WA, United States | 201-500 | Exact match | 313 contacts → |
“Sno-Isle Libraries serves residents across 2,260 square miles in Snohomish and Island county through 23 community libraries, online services, and Library on Wheels.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sacramento Public Librarysaclibrary.org HQ: Sacramento, CA, United StatesReported employees: 201-500 | Sacramento, CA, United States | 201-500 | Exact match | 312 contacts → |
“Sacramento Public Library is the fourth largest library system in California with 28 locations serving 1.4M urban, suburban and rural residents.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sirsidynixsirsidynix.com HQ: Lehi, UT, United StatesReported employees: 201-500 | Lehi, UT, United States | 201-500 | Exact match | 303 contacts → |
“SirsiDynix is the world’s leading provider of library technology solutions, connecting over 300 million people with information and resources at more than academic, public…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Richland Libraryrichlandlibrary.com HQ: Columbia, SC, United StatesReported employees: 201-500 | Columbia, SC, United States | 201-500 | Exact match | 282 contacts → |
“Awarded the National Medal in 2017 by the Institute of Museum and Library Services, Richland Library is a vibrant, contemporary organization that provides resources and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Jefferson County Public Libraryjeffcolibrary.org HQ: Lakewood, CO, United StatesReported employees: 201-500 | Lakewood, CO, United States | 201-500 | Exact match | 271 contacts → |
“Jefferson County Public Library servers more than residents from ten different locations: Arvada, Belmar, Columbine, Conifer, Edgewater, Evergreen, Golden, Lakewood, Standley Lake…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Allen County Public Libraryacpl.lib.in.us HQ: Fort Wayne, IN, United StatesReported employees: 201-500 | Fort Wayne, IN, United States | 201-500 | Exact match | 262 contacts → |
“Our mission: Enriching the community through lifelong learning and discovery.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Howard County Library Systemhclibrary.org HQ: Ellicott City, MD, United StatesReported employees: 201-500 | Ellicott City, MD, United States | 201-500 | Exact match | 240 contacts → |
“Our vision is an empowered community where all people reach their potential.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Miami-Dade Public Library Systemmdpls.org HQ: Miami, FL, United StatesReported employees: 501-1,000 | Miami, FL, United States | 501-1,000 | Exact match | 233 contacts → |
“The Miami-Dade Public Library System is located in one of the most dynamic and diverse geographic areas in the United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 812 company matches
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Library systems: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
805 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 812 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for library systems?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many library systems did RevenueBase find based in the United States?
The saved snapshot records 812 matching company records, 29,378 tracked contacts and 10,746 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Library systems by geography
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Cite this list
RevenueBase Data Team. Top 25 library systems based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/library-systems/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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