For nearly 20 years, National Telecom Services has provided installation and maintenance services for telephone systems, data networks, and converged voice/data systems. We're one of the largest private firms in the business, employing a network of over 15,000 independent technical contractors throughout the continental United States and Canada. Our customers include Fortune 500 companies, small businesses, and institutions of all kinds. We are also experienced with the unique challenge of integrating communications across hundreds of locations nationwide, for our customers in a wide variety of industries.