Company lists · Data refreshed September 2026

Top 25 Contact center consultants based in the United States

RevenueBase identified 973 contact center consultants headquartered in the United States as of September 2026 and tracks 45,826 professional contacts across them, including 4,612 with verified work emails. Atlanta is the largest hub.

This list covers contact center consultants 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 27, 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 27, 2026 86% judged on-target in blind review
973Companies
45,826Contacts tracked
4,612Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest contact center consultants based in the United States

Ranked by team size
Top 25 of 973 contact center consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to contact center consultants: 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 evidenceBloomington, IL, United StatesHQ checked Sep 27, 202610001+5,553 contacts →

Strong evidence

“When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.”

Source: RevenueBase Database · checked Sep 27, 2026
2Strong evidenceDallas, TX, United StatesHQ checked Sep 27, 20265,001-10,0004,342 contacts →

Strong evidence

“With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceDallas, TX, United StatesHQ checked Sep 27, 20261,001-5,0003,122 contacts →

Partial evidence

“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.”

Source: RevenueBase Database · checked Sep 27, 2026
4Strong evidenceAkron, OH, United StatesHQ checked Sep 27, 20261,001-5,0001,764 contacts →

Strong evidence

“InfoCision is an award-winning contact center partner trusted by leading brands for over 40 years.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 27, 20265,001-10,0001,741 contacts →

Indirect evidence

“Award-winning outsourcing partner with two decades of experience operating an exclusively nearshore strategy that delivers better performance, close to home, and at a lower cost.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceMahwah, NJ, United StatesHQ checked Sep 27, 20261,001-5,0001,536 contacts →

Indirect evidence

“DialAmerica is now Aucera.”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceCincinnati, OH, United StatesHQ checked Sep 27, 20261,001-5,0001,484 contacts →

Indirect evidence

“At RDI, we believe in winning smart by providing customized, strategic solutions to our clients.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceHorsham, PA, United StatesHQ checked Sep 27, 2026501-1,000883 contacts →

Indirect evidence

“If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!”

Source: RevenueBase Database · checked Sep 27, 2026
9Strong evidencePortland, ME, United StatesHQ checked Sep 27, 2026201-500865 contacts →

Strong evidence

“NexRep is a leader in virtual contact center solutions, with more than 100 years of combined contact center leadership.”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceSalisbury, NC, United StatesHQ checked Sep 27, 2026501-1,000542 contacts →

Indirect evidence

“We are customer service experts.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceColumbus, OH, United StatesHQ checked Sep 27, 20261,001-5,000515 contacts →

Partial evidence

“ContactUs Communications is a U.S.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceBristol, CT, United StatesHQ checked Sep 27, 20261,001-5,000513 contacts →

Partial evidence

“American Customer Care specializes in providing individualized contact with your customers.”

Source: RevenueBase Database · checked Sep 27, 2026
13Strong evidenceMargate, FL, United StatesHQ checked Sep 27, 20261,001-5,000487 contacts →

Strong evidence

“Global Response is The Brand Contact Center.”

Source: RevenueBase Database · checked Sep 27, 2026
14Strong evidenceHenderson, NV, United StatesHQ checked Sep 27, 2026201-500454 contacts →

Strong evidence

“With over 20 years of operational experience in the contact center BPO space, AGR has solidified its position as a dedicated partner, consistently delivering exceptional service…”

Source: RevenueBase Database · checked Sep 27, 2026
15Strong evidenceHurst, TX, United StatesHQ checked Sep 27, 202651-200428 contacts →

Strong evidence

“Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceChicago, IL, United StatesHQ checked Sep 27, 2026501-1,000371 contacts →

Indirect evidence

“Miller Heiman Group is now part of Korn Ferry.”

Source: RevenueBase Database · checked Sep 27, 2026
17Strong evidenceBloomington, MN, United StatesHQ checked Sep 27, 20261,001-5,000354 contacts →

Strong evidence

“For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceMiami, FL, United StatesHQ checked Sep 27, 2026501-1,000344 contacts →

Indirect evidence

“When Customers are On-The-Line, Everything is On-The-Line!”

Source: RevenueBase Database · checked Sep 27, 2026
19Strong evidenceSioux Falls, SD, United StatesHQ checked Sep 27, 20261,001-5,000329 contacts →

Strong evidence

“Five Star Call Centers is a onshore and nearshore contact center outsourcer where we deliver outrageously amazing customer experiences for our clients and their customers.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceSacramento, CA, United StatesHQ checked Sep 27, 2026201-500307 contacts →

Partial evidence

“TeleDirect provides 24/7 U.S-based call center and answering services for organizations that cannot afford to miss important calls.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidencePrinceton, NJ, United StatesHQ checked Sep 27, 2026501-1,000264 contacts →

Indirect evidence

“ExpertCallers (a division of Flatworld Solutions) is a global consulting and outsourcing company, with a wealth of experience in providing operational and strategic excellence to…”

Source: RevenueBase Database · checked Sep 27, 2026
22Strong evidenceIowa City, IA, United StatesHQ checked Sep 27, 2026501-1,000235 contacts →

Strong evidence

“CONTACT CENTER SERVICES INNOVATIVE, HIGH-PERFORMANCE SOLUTIONS THAT WORK Mass Markets executes domestic omni-channel, inbound and outbound contact center services on behalf of…”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceMaryland Heights, MO, United StatesHQ checked Sep 27, 2026201-500234 contacts →

Indirect evidence

“Customer Direct, founded in 1997, empowers its clients to make better business decisions.”

Source: RevenueBase Database · checked Sep 27, 2026
24Strong evidenceGreensboro, NC, United StatesHQ checked Sep 27, 2026201-500216 contacts →

Strong evidence

“Schedule your FREE Consultation here: http://bit.ly/2gUckQb Anomaly Squared is a contact center services provider.”

Source: RevenueBase Database · checked Sep 27, 2026
25Strong evidenceCanton, OH, United StatesHQ checked Sep 27, 2026501-1,000200 contacts →

Strong evidence

“Incept is a multi-channel contact center that strengthens the relationship between you and your client with every interaction.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 973 contact center consultants based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 4,612 reachable decision-makers.

Free signup · no credit card

View the full list →

Contact center consultants based in the United States at a glance

As of Sep 27, 2026
10.1%Verified-email coverage
47.1Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Atlanta
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
430
11-50
232
51-200
169
201-500
67
501-1,000
39
1,001-5,000
27
5,001-10,000
6
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 973 companies.

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 contact center consultants, 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 “contact center consultants”. 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 contact center consultants), 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 contact center consultants, 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, 4,612 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 27, 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 contact center consultants, 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 contact center consultants are there based in the United States?

RevenueBase identified 973 contact center consultants 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?

Afni, INC, headquartered in Bloomington, tops this list with the largest team on record.

Which city has the most contact center consultants?

Atlanta leads with 26 headquartered companies, followed by Chicago (24) and Miami (21).

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 4,612 verified decision-maker contacts tracked across these 973 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 973 contact center consultants 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 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.