Transmission Specialists, Inc. is a pioneering company that offers transmitter operations and maintenance services to broadcasting companies. By leveraging on its highly trained technical workforce, TSI offers a viable alternative for broadcasters to employ an excellent and efficient staff who can maintain and operate their transmission facilities at its optimum capability while maintaining efficiencies resulting to significant savings in operating costs.

TSI is currently operating and maintaining all transmission facilities of ABS-CBN Broadcasting Corporation in 51 sites around the Philippines, covering 26 VHF-TV stations, 36 UHF-TV Stations, 15 FM Stations and 3 AM stations.