BUILDING THE FOUNDATION OF OKLAHOMA Join OKAA Today Our Mission Is SimpleWe serve as the leading voice for the aggregates industry on vital issues like workplace safety, environmental protection and cooperative relations with government officials. The Scoop on Aggregates OKAA 20th Annual MeetingDon't miss the premiere event for the Oklahoma Aggregates industry! Learn More We’re Here To Help.The Oklahoma Aggregates Association serves as the leading voice for the aggregates industry and its allies. They represent more than 80 stone, sand, gravel and gypsum producers, as well as the equipment manufacturers and service providers who assist them. Through OKAA, members and affiliate members convey a single voice on vital issues like workplace safety, environmental protection and cooperative relations with government officials.Learn More I'm ready to join OKAA.Learn more about state issues.