A T Klemens Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Electrical Business Website Address atklemens.com Business Address, City 814 12th St N, Great Falls ZIP Code 59401 Business Phone Number 4064529541 Business Fax 4067610935 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?