Telesource Services, Inc.: Detailed Company Information & Corporate Profile
Summary
Telesource Services, Inc., established in 2015, operates from Elmhurst, Illinois. With a team of 10‑50 professionals, the company generates annual revenue between $10 million and $50 million, positioning it as an agile player within the telecom sector.
The firm specializes in buying, selling, and repairing IT hardware for voice and data networking. It handles equipment from major vendors such as Avaya, Cisco, Nortel, Unify/Siemens, Plantronics, Polycom, Extreme Networks, Juniper Networks, and over 50 additional brands, offering a comprehensive solution set to clients needing reliable network infrastructure.
Leadership includes General Manager Mark Hastings, Account Executive John Sullivan, Apple Product Technician Daniel Jarzyna, and Senior Account Manager Janie Frazho, who guide the company’s service offerings and client relationships.
| Telesource Services, Inc. Website | MyTelesource.com |
| Industries | |
| Telesource Services, Inc. Headquarters Address | 977 N Oaklawn Ave, Elmhurst, Illinois, 60126 US |
| Company Size | 10-50 employees |
| Specialities & Services | Buy, Sell and Repair IT Hardware, Voice and Data Networking Hardware, Avaya, Cisco, Nortel, Unify/Siemens, Plantronics, Polycom, Extreme Networks, Juniper Networks and 50 other brands |
| Founded | 2015 |
| Estimated Annual Revenue | $10M - 50M |
| Updated: | 2026-09-23 |
Workforce Turnover
Length of Employment
Telesource Services, Inc.'s workforce includes employees across a wide range of tenure levels.
4% have been with the company for 3 to 4 years4% have been with the company for 5 to 7 years4% have been with the company for 8 to 10 years87% have been with the company for more than 11 years
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Telesource Services, Inc. Corporate Information: FAQ
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