Wade Ford Brooksby

Energy West, Inc. engages in the distribution and sale of natural gas to residential, commercial, and transportation customers through its subsidiaries. It distributes approximately 26 billion cubic feet of natural gas to approximately 37,000 customers through regulated utilities operating in and around Great Falls and West Yellowstone, Montana; Cody, Wyoming; Bangor, Maine; and Elkin, North Carolina. The company also markets approximately 2.3 billion cubic feet of natural gas to commercial and industrial customers in Montana and Wyoming, and manages midstream supply and production assets for transportation customers and utilities. It has an ownership interest in 160 natural gas producing wells and gas gathering assets. The company was founded in 1909 and is headquartered in Great Falls, MT.

Zila, Inc., headquartered in Scottsdale, Arizona and founded in 1988, is a diagnostic company that offers prevention, detection and treatment of oral cancer and periodontal disease. Zila manufactures and markets ViziLite Plus with TBlue (“ViziLite Plus”), the company’s product for the detection of oral abnormalities that could lead to cancer. ViziLite Plus is a medical device for use in a popilation risking for oral cancer. Zila designs, manufactures and markets products sold directly to dental professionals for periodontal disease, including the Rotadent Professional Powered Brush, the Pro-Select Platinum ultrasonic scaler and oral pharmaceutical products for both in-office and home-care use

Part of Great Midwest Packaging LLC, Innovative Swab Technologies, Inc. is a company that manufactures swab products. The company is based in Phoenix, AZ. Innovative Swab Technologies was acquired by Great Midwest Packaging LLC from Zila, Inc. on July 25, 2006.

Hearthstone Utilities, Inc. is a holding company. The firm distributes and sells natural gas to end-use residential, commercial, and industrial customers. Its other operations include natural gas production and natural gas marketing. The company was founded in 1909 and is headquartered in Naperville, IL.