Company lists · Data refreshed September 2026

Top 25 Customer interaction software companies based in the United States

RevenueBase identified 334 company matches for customer interaction software companies associated with the United States as of September 2026 and tracks 36,615 professional contacts across them, including 13,411 with verified work emails. New York is the largest hub.

This list covers company matches for customer interaction software 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 28, 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 28, 2026 How this list was built
334Companies
36,615Contacts tracked
13,411Verified emails
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The 25 largest customer interaction software companies based in the United States

Ranked by team size
Top 25 of 334 company matches for customer interaction software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchCambridge, MA, United StatesHQ recorded Sep 28, 20265,001-10,00011,077 contacts →

Exact match

“HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSan Mateo, CA, United StatesHQ recorded Sep 28, 20261,001-5,0007,034 contacts →

Exact match

“Freshworks Inc.(NASDAQ: FRSH) is the AI-powered, unified service operations platform that is fast to deploy, intuitive to use, and enables every employee to be more productive.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchNorcross, GA, United StatesHQ recorded Sep 28, 202610001+4,785 contacts →

Exact match

“At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchScottsdale, AZ, United StatesHQ recorded Sep 28, 20261,001-5,0001,638 contacts →

Exact match

“Build amazing customer experiences with Nextiva’s AI-powered platform.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLouisville, KY, United StatesHQ recorded Sep 28, 20265,001-10,0001,270 contacts →

Exact match

“UnifyCX is a future-ready, next-generation customer experience platform that fuses the best of human expertise with advanced AI technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026501-1,000804 contacts →

Exact match

“The collaborative, AI-powered platform for customer conversations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchAustin, TX, United StatesHQ recorded Sep 28, 2026501-1,000763 contacts →

Exact match

“Khoros' award-winning enterprise software makes it easier for complex brands to engage with customers at scale across digital, social, and brand-owned channels.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchPalo Alto, CA, United StatesHQ recorded Sep 28, 2026201-500448 contacts →

Exact match

“SaaS Labs is all about helping sales and support teams reach their full potential.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSanta Clara, CA, United StatesHQ recorded Sep 28, 2026501-1,000307 contacts →

Exact match

“KANA understands the value of great Customer Service experiences.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 28, 20261,001-5,000301 contacts →

Exact match

“OutPLEX is a leading international digital and voice customer contact management services organization developing solutions for the world's most trusted brands.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchIndianapolis, IN, United StatesHQ recorded Sep 28, 20261,001-5,000275 contacts →

Exact match

“Genesys acquired Interactive Intelligence in December 2016.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026201-500259 contacts →

Exact match

“Kustomer is the Intelligent Customer Experience Platform empowering brands to put customers at the center of every interaction.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSan Mateo, CA, United StatesHQ recorded Sep 28, 2026201-500241 contacts →

Exact match

“Netomi is the enterprise agentic CX platform built for the world's most complex environments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchAlpharetta, GA, United StatesHQ recorded Sep 28, 202651-200237 contacts →

Exact match

“We solve a critical gap businesses face with employee to client communication, over voice and messaging.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-200232 contacts →

Exact match

“LiveAdmins is one of the leading live chat service providers in the industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 202651-200228 contacts →

Exact match

“Hiver is an AI-native customer service platform built for complex, high-stakes support with cross-team collaboration, automation, and AI that can take on even the hardest requests.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202651-200213 contacts →

Exact match

“Help Scout is the support platform that helps businesses delight and retain more customers across all their support channels.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchMiami, FL, United StatesHQ recorded Sep 28, 202651-200206 contacts →

Exact match

“Botmaker is the most advanced conversational platform that allows you to give smart and fast answers to your customers in all digital channels.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Sep 28, 202651-200140 contacts →

Exact match

“Close is the sales CRM built for founders, startups, and small businesses that want to grow faster.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchMinneapolis, MN, United StatesHQ recorded Sep 28, 202651-200139 contacts →

Exact match

“Kipsu is pioneering a software-based solution designed to revolutionize how service-driven brands interact with consumers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchLas Vegas, NV, United StatesHQ recorded Sep 28, 2026201-500130 contacts →

Exact match

“tawk.to makes it easy for over six million people to communicate and transact with billions of customers, no matter where they are or how they pay.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-20099 contacts →

Exact match

“Pylon is the modern alternative to Zendesk, optimized for B2B.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchLos Angeles, CA, United StatesHQ recorded Sep 28, 202651-20098 contacts →

Exact match

“Powerfront is a leading provider of customer engagement technology and solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchMiami, FL, United StatesHQ recorded Sep 28, 202651-20092 contacts →

Exact match

“indigitall is the only AI-Powered Customer Engagement Platform that empowers brands to efficiently create and manage personalized inbound and outbound customer interactions across…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchNorcross, GA, United StatesHQ recorded Sep 28, 202651-20084 contacts →

Exact match

“Empowering Businesses with Unified Customer Experience Platform Omind is a leading provider of innovative solutions that leverage advanced AI, machine learning, and intelligent…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 334 customer interaction software companies based in the United States

See the full list, filter by size, metro and specialty, and access 13,411 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer interaction software companies based in the United States at a glance

As of Sep 28, 2026
36.6%Verified-email coverage
109.6Average contacts per company
11-50Median size (employees)
9.0%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
116
11-50
125
51-200
61
201-500
18
501-1,000
4
1,001-5,000
6
5,001-10,000
3
10001+
1

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 334 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 “customer interaction software 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 13,411 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 28, 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.

Customer interaction software companies by metro

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 “customer interaction software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer interaction software companies are there based in the United States?

RevenueBase identified 334 company matches for customer interaction software 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?

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

Which city has the most customer interaction software companies?

New York leads with 30 company records, followed by San Francisco (18) and Austin (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 13,411 professional contacts with verified work emails tracked across these 334 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 28, 2026.

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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.