Royal Steam Heat Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Plbg Heat AC Business Website Address royalsupplyco.com Business Address, City 499 Main Street, East Templeton ZIP Code 01438 Business Phone Number 9786320770 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?