Should you use fiber optics for your communications system? What are its advantages and disadvantages? PRECOM has been a leading fiber optic contractor since 1993. From design to installation we have impressively terminated large count multi-mode and single-mode fiber optic systems for large inter-campus facilities to small multi-level office buildings with zero percent failures. Our certified fiber technicians utilize company owned OTDR's, fusion splicers, power meter and laser source testing equipment to ensure a project meets or exceeds industry standards.