ISS Perennial Gold Sponsor, Viking Recruitment, Sets “Green Standard” in the U.K. by Designing and Building “Viking House,” a Passivhaus Certified Building, for its Expanding Workforce. The International Superyacht Society (ISS) is pleased to acknowledge the groundbreaking “green” efforts of perennial Gold Supporter, Viking Recruitment. Viking’s steadfast commitment to the superyacht industry is apparent in their continuing support of ISS’s efforts on behalf of crew worldwide.