Gross Mechanical Contractors Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Plbg Heat AC Business Website Address grossmechanical.com Business Address, City 3622 Greenwood Blvd, St Louis ZIP Code 63143 Business Phone Number 3146450077 Business Fax 3146450098 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?