Sprinkler Fitters Local Union 550 Signatory Contractors employ the best and brightest in the fire protection industry on some of the most complex construction projects in the country. We work in partnership to insure our members are productive and safe on the job site. There is no project that Local Union 550 contractors can't handle!! If you are in need a a fire protection contractor for an upcoming project please feel free to call the union office at 617-323-0474 or submit your info using the form below and we will happily connect you with the right contractor for your needs. Feel free to click the link below which will provide a list of every contractor signatory with the Sprinkler Fitters Local Union 550.
CLICK HERE FOR LOCAL 550 CONTRACTOR LIST