Many of the larger telephone companies install, own, and use their own networks of cables or fiber-optics instead of leasing from another carrier. Keep in mind, though, that just because a company owns and uses its own network, this does not always equal a better deal. Some resellers actually provide a better deal because, as smaller companies, they may need your business much more than a telephone mega-corporation.

Most the larger telephone company's use and install their own network facilities. They use there own infrastructure rather then leasing from another carrier. Telephone companies who have their own infrastructure do not mean the best deals. Some of the resellers who are smaller can provide you with the better deals.

A carrier that provides telecommunications services, using, in part, their own switching and transmission facilities.