The association, members, and advertisers are showcased in this new user-friendly mobile app. The app is an indispensable tool for all users. At OPMCA, we are committed to the success of Oklahoma's petroleum wholesalers and retailers, and strive to give you all you need to help you succeed! • Stay up to date on all the latest news in the industry. • Easily view business listings using the locator map. • Quickly search for Members using our Directory feature. • Follow and participate in the OPMC