LINKS Here is our list of web links you may find interesting and informative. SPASA Queensland Association for the swimming pool & spa industry. Building Services Authority (BSA) The (BSA) is a statutory authority established under the Queensland Building Services Authority Act 1991.. Master Builders Association Master Builders is Queensland's largest building industry membership organisation representing 11,000 members. The Pool Tile Company The Pool Tile Company is dedicated to providing first class service and a complete range of tiles for your swimming pool. Hurlcon Hurlcon is one of Australia's leading swimming pool equipment manufacturers. Creative Marketing Sauce All it takes is a little sauce... to add spice to your advertising. Corporate Design, Brochures & Catalogues, Websites & Photography.