Koy Concrete, LTD. Share: ContractorsReady-Mix ConcreteConcrete Visit Website Request Info 770 Highway 90E Sealy, Texas 77474 (979) 885-3551 (979) 885-3552 (fax) www.koyconcrete.com About Map About Ready Mix Concrete What's Nearby? Distance: 5 10 15 20 25 50 mi.