Heat Treating Services Unlimited; Inc Return to Directory Rating (average): (0) Business Name: Heat Treating Services Unlimited; Inc Business Genre: Contractor, Plbg Heat AC Business Website Address: htsu.net Business Address, City: 207 North Maple Street; Suite 1, Simpsonville ZIP Code: 29680 Business Phone Number: 8649629497 Business Fax: 8649679758 Ratings There are no reviews yet. Please login to rate this listing. ▸▾ Claim Listing Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password? Reader Interactions Leave a Reply Cancel replyYou must be logged in to post a comment.