TransTel manufactures telephone switching equipment in Taiwan and Mainland China. TMS-100 and TMS Plus are made in the United States. The manufacturing facilities have production capacities for up to 3,000 systems and 40,000 telephones per month. Innovative techniques are employed in the manufacturing process to assure quality and reliability.

TransTel Communications employs approximately 200 people in the United States, Taiwan and China. The main manufacturing facilities are ISO 9001 certified, meeting stringent quality control procedures based on the ISO international standards organization.

All TransTel telephone systems are certified by Electronic Testing Laboratories (ETL) and are found to be in compliance with Underwriters Laboratories (UL) Specification 1459. Not all telephone equipment is tested to these specifications, although some cities, counties and state agencies require that any installed equipment be certified to be in compliance with UL1459. Additionally, all TransTel telephone systems are FCC registered for connection to the public telephone network.