TIF and Promax are wholly owned brands of SPX Corporation, and are produced, managed and sold through the SPX Service Solutions division. These brands make SPX one of the largest US producers of professional test and service tools for the HVAC/R industry. The constantly growing product offering now includes hundreds of products designed with the latest technology, and manufactured with quality and durability in mind.Sales are made primarily through distributors, and SPX Service Solutions nurtures and protects its distributor relationships. SPX Service Solutions advertises directly to consumers to create demand at the distributor level. The ability to offer these internationally recognized brands from a single source positions SPX Service Solutions as a premier supplier to some of the industry's leading OEM's, distributors and technicians.