PO Box: 4515 Steffani Lane, Houston, Texas 77041
4515 Steffani Lane, Houston, Texas 77041
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CASCO is an Industrial Building Contractor established in 1959. The Shannon family has been in the metal building and component business for over four generations. It all began with Shannon & Co., a Hardware Merchant and Sheet Metal Shop located on Main Street in La Porte, Texas in the early 1900’s.