Sletten Construction CO Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Homes Business Website Address slettencompanies.com Business Address, City PO Box 2467, Great Falls ZIP Code 59403 Business Phone Number 4067617920 Business Fax 4067610923 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?