About Us


Our Company

Telecom Networking Services, Inc. (TNSI) was incorporated in 1994 as a California Corporation. The Company was purchased by its present owners on January 1, 1996.

The Corporate office is located in Hayward, California. Daily dispatch is coordinated out of our Oroville Dispatch Center. The Dispatch Center is staffed every business day, with out of hour call referrals for emergency situations.

We bring to our Customers a tradition of quality Customer service at a cost effective price with many years experience in the industry. TNSI provides service to a wide variety of clients in both the Commercial and Governmental sector. Our work carries a warranty and full client satisfaction. If you are a large Company with a major move, or a small Company needing assistance with a voice and data project TNSI can manage your project leaving you free to manage your business.

References, proof of Insurance, Bonding available on request.

We are a Company that is committed to running our business with Biblical integrity.

Our People

We have a Uniprise certified installer on staff and can furnish a twenty year warrantee on cabling.

Many of our Technicians are from the Bell System and carry with them the exceptional training and commitment to Customer service. The rest have experience with other telecommunications companies or were hired at entry level and trained on the job with TNSI.

We have a full staff of technicians all over California and parts of Nevada ready to take on any job, large or small.

License and Certifications

  • Corporate License - State of California - 1872381
  • Contractor's License - (C7) 698022
  • Small Business Certification, Department of General Services - 0002317
  • The TNSI Service Team is represented by Communications Workers of America Local 9430
  • CMAS Number - 3-10-70-2539B
  • Uniprise Certified Installer