Company lists · Data verified August 2026

Top 25 Call management software companies based in the United States

Name: Call management software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 121 companies tracked

There are 121 call management software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 2,792 professional contacts across them, including 628 with verified work emails and 851 with mobile numbers. Atlanta is the largest hub.

This list covers call 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. Data current as of August 28, 2026.

121Companies

2,792Contacts tracked

628Verified emails

851Mobile numbers

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The 25 largest call management software companies based in the United States

Ranked by team size

Top 25 of 121 call management software companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Aspect Software	Boulder, CO	1,001-5,000	877	180
2	Call BOX	Dallas, TX	51-200	210	62
3	ROBBU	Sun Prairie, WI	201-500	107	59
4	Calltrackingmetrics	Millersville, MD	51-200	96	75
5	COA Network INC	Bridgewater, NJ	51-200	65	5
6	ZLINQ	Denver, CO	51-200	54	48
7	Xima Software	South Jordan, UT	51-200	46	25
8	Telstrat	Allen, TX	51-200	46	2
9	Intelemedia Communications	Plano, TX	51-200	34	19
10	Upland Ingenius	Chelmsford, MA	1,001-5,000	21	12
11	Leadspedia, INC	Franklin, TN	11-50	18	14
12	Alphapage, LLC	Denver, CO	11-50	16	2
13	Esotech	Round Rock, TX	11-50	15	9
14	Callshaper	Perry Hall, MD	11-50	15	8
15	Pondera Services LLC	Logan, UT	11-50	15	3
16	Great Virtual Services	Houston, TX	51-200	14	2
17	The Telepoint Group	New Boston, TX	11-50	14	1
18	Nice Uptivity	Columbus, OH	201-500	13	5
19	Ctipath	Raleigh, NC	11-50	13	5
20	Mosaicvoice YC W22	San Francisco, CA	11-50	9	4
21	Dialing Innovations	Indianapolis, IN	11-50	9	1
22	Mycallcloud	Henderson, CO	11-50	8	5
23	BBX Technologies	Allen, TX	11-50	8	4
24	Callworks	Minnetonka, MN	11-50	7	3
25	Acucall, LLC	Jupiter, FL	11-50	7	2

Showing 25 of 121 call management software companies based in the United States

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Call management software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

AtlantaLargest hub · 5 HQs

851Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Call management software companies by metro

Metro	Companies
Call management software companies in Atlanta	5
Call management software companies in Phoenix	5
Call management software companies in New York	4
Call management software companies in Houston	4
Call management software companies in Denver	4
Call management software companies in Boulder	3
Call management software companies in San Francisco	3
Call management software companies in Sarasota	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “call management software companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 3 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 121 call management software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Aspect Software, headquartered in Boulder, tops this list with the largest team on record.

Which city has the most call management software companies?

Atlanta leads with 5 headquartered companies, followed by Phoenix (5) and New York (4).

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 628 verified decision-maker contacts tracked across these 121 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.