Company lists · Data refreshed September 2026

Top 25 Telecom customer management software companies based in the United States

RevenueBase identified 105 telecom customer management software companies headquartered in the United States as of September 2026 and tracks 9,513 professional contacts across them, including 3,601 with verified work emails and 2,124 with mobile numbers. Austin is the largest hub.

This list covers telecom customer management software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 6, 2026 86% judged on-target in blind review
105Companies
9,513Contacts tracked
3,601Verified emails
2,124Mobile numbers
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The 25 largest telecom customer management software companies based in the United States

Ranked by team size
Top 25 of 105 telecom customer management software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to telecom customer management software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceEnglewood, CO, United StatesHQ checked Sep 6, 20265,001-10,0005,874 contacts →

“CSG is a leader in innovative customer engagement, revenue management and payments solutions that make ordinary customer experiences extraordinary.”

Source: company website · checked Sep 6, 2026
2Indirect evidenceTempe, AZ, United StatesHQ checked Sep 6, 2026501-1,000617 contacts →

“KUBRA delivers industry-leading billing and payments solutions through KUBRA HQ™, an AI-powered, cloud-native platform built for speed, security, and growth.”

Source: company website · checked Sep 6, 2026
3Strong evidenceFrisco, TX, United StatesHQ checked Sep 6, 202651-200104 contacts →

“Advantix, a global leader in telecom lifecycle management solutions, leverages its expense management software, carrier APIs and end-to-end professional services to integrate…”

Source: company website · checked Sep 6, 2026
4Partial evidenceAtlanta, GA, United StatesHQ checked Sep 6, 202651-20098 contacts →

“Our mission at Vatic Outsourcing is to identify ways to effectively reduce your telecom budget - and help you manage all your business communications more efficiently.”

Source: company website · checked Sep 6, 2026
5Strong evidenceForest Park, IL, United StatesHQ checked Sep 6, 202651-20063 contacts →

“ICOMM is a services-first telecom management and consulting company, offering IT Telecom Expense Management, support services for fixed telephony, UCaaS and mobility services…”

Source: company website · checked Sep 6, 2026
6Strong evidenceDenver, CO, United StatesHQ checked Sep 6, 202651-20054 contacts →

“zLinq is a telecom management software and services company that helps enterprises to manage, optimize, and buy Voice & Data Connectivity, Unified Communications and Contact…”

Source: company website · checked Sep 6, 2026
7Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 6, 202651-20054 contacts →

“Our company is leading the Telecom BPO movement.”

Source: company website · checked Sep 6, 2026
8Strong evidenceCarlsbad, CA, United StatesHQ checked Sep 6, 202651-20053 contacts →

“GLDS offers the leading customer management, billing, and service delivery solutions for small to mid-sized broadband operators worldwide.”

Source: company website · checked Sep 6, 2026
9Strong evidenceDelray Beach, FL, United StatesHQ checked Sep 6, 202611-5047 contacts →

“We pride ourselves on exceptional customer service, support and telecom knowledge.”

Source: company website · checked Sep 6, 2026
10Partial evidenceOlathe, KS, United StatesHQ checked Sep 6, 202651-20036 contacts →

“Kansys is a provider of billing software and services that help communications and enterprise businesses monetize complex business at scale.”

Source: company website · checked Sep 6, 2026
11Strong evidenceSuffield, CT, United StatesHQ checked Sep 6, 202611-5029 contacts →

“CORE Communications is a comprehensive technology service and telecommunications management firm.”

Source: company website · checked Sep 6, 2026
12Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 6, 202611-5028 contacts →

“ChikPea is the only 100% Force.com Native complete solution-in-a-box for Salesforce.”

Source: company website · checked Sep 6, 2026
13Strong evidenceSacramento, CA, United StatesHQ checked Sep 6, 202611-5025 contacts →

“Improve productivity with Visage’s Telecom Expense Management software and services!”

Source: company website · checked Sep 6, 2026
14Indirect evidenceChicago, IL, United StatesHQ checked Sep 6, 202611-5022 contacts →

“There are two kinds of TEM providers.”

Source: company website · checked Sep 6, 2026
15Partial evidenceBoca Raton, FL, United StatesHQ checked Sep 6, 202651-20021 contacts →

“Global enterprises trust imimobile to help them manage business-critical customer interactions at scale.”

Source: company website · checked Sep 6, 2026
16Strong evidenceMadison, TN, United StatesHQ checked Sep 6, 202611-5020 contacts →

“Equinox Information Systems is a global provider of software solutions for the telecommunications industry.”

Source: company website · checked Sep 6, 2026
17Strong evidenceWinooski, VT, United StatesHQ checked Sep 6, 202651-20017 contacts →

“Excelergy, part of the Harris Group of companies, is a world leader in high performance software solutions that optimize the billing and customer care processes in competitive…”

Source: company website · checked Sep 6, 2026
18Indirect evidenceNewport Beach, CA, United StatesHQ checked Sep 6, 202611-5016 contacts →

“Camvio was founded on the belief that operational and billing systems should be simple, cost-effective, and easy to implement.”

Source: company website · checked Sep 6, 2026
19Strong evidenceHouston, TX, United StatesHQ checked Sep 6, 202651-20016 contacts →

“TotalCX, formerly InteractiveTel, is a comprehensive approach to customer experience management and combines automation, AI technology, ongoing training, real-time assessments…”

Source: company website · checked Sep 6, 2026
20Indirect evidenceMankato, MN, United StatesHQ checked Sep 6, 202611-5015 contacts →

“Our name – Northflow Solutions – is new.”

Source: company website · checked Sep 6, 2026
21Strong evidenceRancho Cucamonga, CA, United StatesHQ checked Sep 6, 202611-5013 contacts →

“Since 1984, Advantage 360 has provided billing, customer care and POS software to nearly 200 customers world-wide.”

Source: company website · checked Sep 6, 2026
22Indirect evidenceKirkland, WA, United StatesHQ checked Sep 6, 202611-5012 contacts →

“The core focus of Holt Enterprises is to assist telSPACE and mCASH clients launch their back office operations.”

Source: company website · checked Sep 6, 2026
23Partial evidenceVero Beach, FL, United StatesHQ checked Sep 6, 202611-509 contacts →

“TimelyBill is a comprehensive billing and CRM platform that is purpose-built for telecom, VoIP, wireless, and IoT service providers.”

Source: company website · checked Sep 6, 2026
24Strong evidenceErie, PA, United StatesHQ checked Sep 6, 202611-509 contacts →

“I help IT leaders streamline telecom management by handling critical project management tasks.”

Source: company website · checked Sep 6, 2026
25Partial evidenceAlbany, NY, United StatesHQ checked Sep 6, 202611-508 contacts →

“ComputerWorks is a CMMI® Level 2 rated software developer, headquartered in beautiful upstate New York.”

Source: company website · checked Sep 6, 2026

Showing 25 of 105 telecom customer management software companies based in the United States

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Telecom customer management software companies based in the United States at a glance

As of Sep 6, 2026
37.9%Verified-email coverage
22.3%Mobile-number coverage
90.6Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · Austin
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
37
11-50
36
51-200
20
201-500
7
501-1,000
4
5,001-10,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom customer management software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “telecom customer management software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom customer management software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among telecom customer management software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 3,601 across the full list. 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 6, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom customer management software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 105 telecom customer management software companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

CSG, headquartered in Englewood, tops this list with the largest team on record.

Which city has the most telecom customer management software companies?

Austin leads with 3 headquartered companies, followed by Bellevue (3) and Miami (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,601 verified decision-maker contacts tracked across these 105 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 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 Smart Search, 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.