Resource links Industry and Professional Associations and Affiliations American Concrete Industry Associated Builders and Contractors National ReadyMix Concrete Association National Stone, Sand and Gravel Association National Underground Contractors Association Ohio Aggregates and Industrial Minerals Association Ohio Nurserymen and Landscape Association Ohio Ready Mixed Concrete Association Community Associations and Affiliations Beavercreek Area Chamber of Commerce Better Business Bureau – Miami Valley Dayton Area Chamber of Commerce Homebuilders Association of Dayton and the Miami Valley Xenia Area Chamber of Commerce