Michael D. Herman

Pyramid Oil Co. explores, develops and produces crude oil and natural gas. It acquires interests in land and producing properties through acquisition and lease on which it drills and operates crude oil and natural gas wells. The crude oil and natural gas produced from these properties are sold to various refineries and pipeline companies. The company was founded on October 9, 1909 and is headquartered in Bakersfield, CA.

The Company primarily explores and develops oil and gas properties in California and has a significant working interest in oil wells in the Popular Field of northern Montana. It engages in a broad range of activities associated with the oil and gas business in an effort to develop oil and gas reserves. The company has interest in an inactive subsidiary Aspen Gold Mining Co., a company that has not been engaged in business since 1995. Aspen Exploration Corp. was incorporated on February 28, 1980.

Part of Cetis, Inc., TeleMatrix, Inc. is a company that specializes in hotel phones. The company is based in Colorado Springs, CO. The company offers a range of beautifully engineered phones for hotels, including the Telematrix 9700 series, 3500 series, 9600 series, 3300 series, 3100 series, and Retro series. The company's website also provides a hotel phone model guide to assist customers in selecting the best phone for their needs.

Part of Enservco Corp., Heat Waves Hot Oil Service LLC is a company that provides oil and natural gas well services. The company is based in Cheyenne Wells, CO.

Sunair Electronics LLC provides wireless communication services. The private company is based in Ocala, FL.

Part of Enservco Corp., Dillco Fluid Service, Inc. provides onshore oil and gas services. The company is based in Hugoton, KS.