Company lists · Data refreshed September 2026

Top 25 Professional networking services companies based in the United States

RevenueBase identified 523 company matches for professional networking services companies associated with the United States as of September 2026 and tracks 87,760 professional contacts across them, including 10,319 with verified work emails. New York is the largest hub.

This list covers company matches for professional networking services companies 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 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
523Companies
87,760Contacts tracked
10,319Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest professional networking services companies based in the United States

Ranked by team size
Top 25 of 523 company matches for professional networking services companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFrederick, MD, United StatesHQ recorded Sep 19, 202651-200138 contacts →

Exact match

“iHire is a leading employment platform that powers a family of 57 industry-focused talent networks, including WorkInSports, iHireVeterinary, iHireDental, iHireConstruction, and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202651-200106 contacts →

Exact match

“Business moves at the speed of community.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Sep 19, 202651-20076 contacts →

Exact match

“Workweek is building the next generation of professional networks.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchFlorida, United StatesHQ recorded Sep 19, 202651-20073 contacts →

Exact match

“Awareness.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchUnited StatesHQ recorded Sep 19, 202651-20069 contacts →

Exact match

“Obsidi® is the largest career navigation system that sees you.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchSchaumburg, IL, United StatesHQ recorded Sep 19, 202611-5052 contacts →

Exact match

“ProGathers is an exclusive platform where like-minded professionals come together to network, connect, collaborate, and build meaningful relationships.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchPalo Alto, CA, United StatesHQ recorded Sep 19, 202611-5048 contacts →

Exact match

“Key AI is an AI-native community engine rebuilding how professionals connect, turning passive networks into active opportunities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Sep 19, 2026n/a39 contacts →

Exact match

“In an increasingly digital world, the need to build an online networking community in the global fashion & beauty industry became pressing during the covid pandemic.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchNew York, United StatesHQ recorded Sep 19, 202611-5031 contacts →

Exact match

“Bizfluence is a business oriented social network, a community, and a platform that is hyper-focused on building real relationships and real business with real people.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSeattle, WA, United StatesHQ recorded Sep 19, 202611-5026 contacts →

Exact match

“Welcome to employHER, the premier video professional networking platform committed to nurturing connections, exchanging expertise, and propelling careers through dynamic video…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchVirtual Only, NJ, United StatesHQ recorded Sep 19, 20261,001-5,00023 contacts →

Exact match

“PSGCNJ is the nation's first employment community.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchLehi, UT, United StatesHQ recorded Sep 19, 202611-5019 contacts →

Exact match

“Facet is a professional network for individuals looking for their next career move.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchMountain View, CA, United StatesHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“Netclan – Connect.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchCary, NC, United StatesHQ recorded Sep 19, 202611-5013 contacts →

Exact match

“Welcome to InsightLab, your go-to community for sparking conversations, sharing expertise, and staying on top of the latest industry insights-all while earning some exciting…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 202611-5013 contacts →

Exact match

“AfterCollege is an online professional platform that connects college grads, faculty, alumni and employers through customized career networks at colleges and professional…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchNew York, United StatesHQ recorded Sep 19, 202611-5013 contacts →

Exact match

“Our mission is to help ambitious professionals achieve more by connecting them to the right people and opportunities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“Share the #levolove: Levo is a thriving online and offline community of young professionals, role models, and innovative companies taking Gen Y by storm.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchFrisco, NY, United StatesHQ recorded Sep 19, 20261-1011 contacts →

Exact match

“Gaggle Social is known for being a unique, professional social network and hiring platform dedicated to enterprise applications.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Sep 19, 20261-1010 contacts →

Exact match

“A professional platform that doesn’t feel like one.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchBoise, ID, United StatesHQ recorded Sep 19, 20261-1010 contacts →

Exact match

“Reputyz: Making Connections That Move People Mission: Turning everyday interactions into opportunities for growth, impact, and shared success.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 19, 20261-109 contacts →

Exact match

“Putting people first on the internet.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchNY, United StatesHQ recorded Sep 19, 20261-109 contacts →

Exact match

“Voray is the go-to place to join, build, or partner with a community.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 20261-109 contacts →

Exact match

“Information on your work profiles and resumes is disorganized, hard to spot, and spread across the internet.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchDE, United StatesHQ recorded Sep 19, 202611-509 contacts →

Exact match

“Are you ready to make your move?”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSurprise, AZ, United StatesHQ recorded Sep 19, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 523 professional networking services companies based in the United States

See the full list, filter by size, metro and specialty, and access 10,319 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Professional networking services companies based in the United States at a glance

As of Sep 19, 2026
11.8%Verified-email coverage
167.8Average contacts per company
1-10Median size (employees)
10.9%Largest-city concentration · New York
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
365
11-50
118
51-200
20
201-500
10
501-1,000
2
1,001-5,000
2
5,001-10,000
2
10001+
3

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 523 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 “professional networking services companies” 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 10,319 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 19, 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 “professional networking services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional networking services companies are there based in the United States?

RevenueBase identified 523 company matches for professional networking services companies 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?

IHIRE tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most professional networking services companies?

New York leads with 57 company records, followed by San Francisco (24) and Los Angeles (17).

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 10,319 professional contacts with verified work emails tracked across these 523 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 523 professional networking services companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.