Our Services Tretec has the following type of Services On-Site SupportEquipment Service, Maintenance, and Process Development. Semiconductor Equipment Maintenance / ModificationIn-house Service and Sales for Equipment Parts, T&H Control Unit, and Chillers. Tool InstallationOn-site Project management and Tool Qualification. On-Site Support, Nationwide (USA)Coast to coast, border to border, we are there for your field service needs. Service and Parts SupportIn addition to USA shipping, we have assisted customers with their shipping needs in Asia, Canada, and Europe. Clean Booth ServicesLong term or short term, ready when you need it.