Gruy Petroleum Management Co Claim Listing Return to Directory Rating (average) (0) Business Genre Manufacturing, Petroleum Business Website Address magnumhunter.com Business Address, City RR 2 Box 361, Madill ZIP Code 73446 Business Phone Number 5807953391 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?