Founded in 1984, the Colorado Oil & Gas Association's (COGA) purpose is "to foster and promote the beneficial, efficient, responsible and environmentally sound development, production and use of Colorado oil and natural gas."​ COGA is a nationally recognized trade association that aggressively promotes the expansion of Rocky Mountain natural gas markets, supply and transportation infrastructure through its growing and diverse membership. With Denver as a central focus of the region's growing gas industry, our Association is at the forefront of the legal, legislative and regulatory issues facing our member companies.