GTSA Engineering Return to Directory Business Name: GTSA Engineering Business Category: Uncategorised Long Business Description: N/A Business Phone Number: 02 8337 6600 Business Fax: 02 8339 0993 Business Address: PO Box 7028 Business Suburb: ALEXANDRIA Business State: NSW Postcode/ZIP Code: 2015 Business Country: Australia Business Contact First Name: Andrew Business Contact Surname: Butters