Company lists · Data verified August 2026
Top 13 Bpo companies based in Houston, United States
There are 44 bpo companies headquartered in Houston, United States (RevenueBase, August 2026). RevenueBase tracks 1,025 professional contacts across them, including 126 with verified work emails and 98 with mobile numbers. New York is the largest hub.
This list covers bpo companies headquartered in Houston, 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 13 largest bpo companies based in Houston, United States
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Supportzebra | 99 |
| 2 |  S4 Communications | 4 |
| 3 |  Protocol Leads Infotech Pvt. LTD | 1 |
| 4 |  Jasper IT Pvt.Ltd | 1 |
| 5 |  Qtat BPO Solutions INC | 3 |
| 6 |  Atpoint | 3 |
| 7 |  Staffbox Corp. LLC | 1 |
| 8 |  Armfox Healthcare Private Limited | 1 |
| 9 |  Farias Jett & CO | 4 |
| 10 |  V Assist PRO INC | 1 |
| 11 |  Viable Dimensions LLC | 2 |
| 12 |  Firmusan | 2 |
| 13 | Ad2 Telecommunication Corporation | 1 |
Showing 13 of 44 bpo companies based in Houston, United States
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Bpo companies based in Houston, United States at a glance
As of Aug 28, 2026Companies by employee count
Bpo companies by metro in the United States
| Metro | Companies |
|---|---|
| Bpo companies in New York | 92 |
| Bpo companies in Miami | 51 |
| Bpo companies in Sheridan | 47 |
| Bpo companies in Austin | 41 |
| Bpo companies in Atlanta | 37 |
| Bpo companies in Houston | 37 |
| Bpo companies in Los Angeles | 35 |
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 “bpo companies”, with match quality audited by blind human judging, and headquartered in Houston, 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; 1 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 bpo companies are there based in Houston, United States?
There are 44 bpo companies headquartered in Houston, United States as of August 2026 (RevenueBase).
What is the largest company on this list?
Supportzebra, headquartered in Houston, tops this list with the largest team on record.
Which city has the most bpo companies?
New York leads with 92 headquartered companies, followed by Miami (51) and Sheridan (47).
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 126 verified decision-maker contacts tracked across these 44 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.