Total Mechanical Service Corp.

Total Mechanical Service Corp. works out of Plymouth and describes itself as a mechanical contractor: piping and systems inside treatment plants, pump stations and reservoirs, roadwork piping including hydrants and pump pits, heating installations in schools and municipal buildings, and mechanical insulation — including insulation subcontracted to other mechanical contractors. It says it was founded by Darin Yee in 1984 and that it is SOMWBA-certified as a minority business enterprise and a DBE. A Massachusetts Gaming Commission committee document from 2018 records the same certification independently, listing the company as an MBE mechanical contractor in Plymouth. Its own numbers are inconsistent: the site gives 1984 as the year established but elsewhere claims 'over 25 years of experience', which does not fit a 1984 start, so treat any tenure figure as unconfirmed. The work it advertises is public and institutional — treatment plants, schools, municipal buildings, and named jobs such as the MWRA Deer Island plant — rather than houses, and no customer has reviewed it anywhere that could be found. If you are a homeowner, ask first whether it takes residential work at all; if you are hiring for a facility, ask for its current SOMWBA/SDO certificate and recent project references.