Company lists · Data verified August 2026
Top 14 Call center quality assurance companies based in the United States
There are 43 call center quality assurance companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 2,110 professional contacts across them, including 221 with verified work emails and 483 with mobile numbers. Phoenix is the largest hub.
This list covers call center quality assurance 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.
The 14 largest call center quality assurance companies based in the United States
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Astegic | 12 |
| 2 |  j.lodge | 29 |
| 3 |  BPA Quality | 27 |
| 4 |  Limolink | 62 |
| 5 |  SQM Group INC | 27 |
| 6 |  ISS Vertical Quality Solutions | 22 |
| 7 | WFQ INC | 7 |
| 8 |  Call Center Resources LLC | 7 |
| 9 |  HQC | 2 |
| 10 |  Benchmarkportal | 8 |
| 11 |  ARC | 5 |
| 12 |  Callicity | 4 |
| 13 | Tpg, INC | 1 |
| 14 | Voxjar | 1 |
Showing 14 of 43 call center quality assurance companies based in the United States
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Call center quality assurance companies based in the United States at a glance
As of Aug 28, 2026Companies by employee count
Call center quality assurance companies by metro
| Metro | Companies |
|---|---|
| Call center quality assurance companies in Phoenix | 2 |
| Call center quality assurance companies in Huntsville | 2 |
| Call center quality assurance companies in Sunnyvale | 1 |
| Call center quality assurance companies in Novato | 1 |
| Call center quality assurance companies in Warren | 1 |
| Call center quality assurance companies in Portland | 1 |
| Call center quality assurance companies in Cornwall | 1 |
| Call center quality assurance companies in San Pablo | 1 |
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 center quality assurance 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; 0 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 center quality assurance companies are there based in the United States?
There are 43 call center quality assurance companies headquartered in the United States as of August 2026 (RevenueBase).
What is the largest company on this list?
Astegic, headquartered in Falls Church, tops this list with the largest team on record.
Which city has the most call center quality assurance companies?
Phoenix leads with 2 headquartered companies, followed by Huntsville (2) and Sunnyvale (1).
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 221 verified decision-maker contacts tracked across these 43 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.
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