ADDC – Association of Desk & Derrick Clubs About ADDC ADDCis the energy industry association that brings everyone together to build better careers companies and communities. Membership is open to those employed in or affiliated with the petroleum energy and allied industries as well as individuals interested in increasing their knowledge about these industries who can benefit from broadbased cross functional training. Our Mission Our mission is to enhance and foster a positive image to the global community by promoting the contribution of the petroleum energy and allied industries through education by using all resources available. Our Purpose The Association of Desk and Derrick Clubs ADDC an international nonprofit organization is a premier provider of energy education and professional development.