Court manufacturers The ERF can help countries or facility owners in building racquetballcourts and provide you with all the necessary information.We work together with construction companies, such as “Courtwall Innovations”.Courtwall InnovationsHeiligenstaedterstr.86/InnenhofA-1190 Vienna, AUSTRIAInternational Contact:Wolfgang DenkTel: (43) 699 1002 9506Fax: (43) 1 533 3332E-mail: info@courtwall.comWebsite: www.courtwall.com