R & D Construction CO Inc Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Plbg Heat AC Business Website Address rdhc.com Business Address, City 503 N Mill Rd, New Castle ZIP Code 19720 Business Phone Number 3023959311 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?