ORMCA Member Directory ORMCA Member Directory 34.6035669,-98.3959291,G & R Enterprises, LLC 35.2477703,-97.7466152,Genesis Concrete Co. 36.1380927,-95.8656302,Greenhill Concrete Co. 36.1380768,-95.8654325,Greenhill Materials, Inc. ORMCA Member Directory Search Radius... 1 mi 5 mi 10 mi 50 mi 100 mi G Back to Search Results: 4 Associate G & R Enterprises, LLC (580) 699-2344 Visit Website Producer Genesis Concrete Co. (405) 476-2144 Visit Website Producer Greenhill Concrete Co. 1640 S. 101st East Ave, Tulsa, OK 74128 (918) 272-3999 Visit Website Associate Greenhill Materials, Inc. (918) 274-6560 Visit Website Powered By GrowthZone