Crystal Communications, Ltd. offers cabling installation services through this contract, including: telecommunication equipment, electrical equipment, cables, wires, and communication and media related services. This contract is only available for Zones 1 and 5. Please see the Zone Cabling Map for areas covered. Customers can purchase directly through this DIR contract. Contracts may be used by state and local government, public education, other public entities in Texas, as well as public entities outside the state. Resellers are not available for this contract.