Repair Service. Willis Service Centre Ltd. has been established in Windsor since 1962. By providing good, old-fashioned customer service over the years, proprietor Glenn Willis has gained a loyal following in the community. Many hundreds of area residents have come to depend on him, and to rely on the technical expertise of his friendly staff to keep their family vehicles in peak running condition. The success of his neighbourhood business has been built on a foundation of customer satisfaction. Indeed, satisfied existing clients are Glenn Willis's best advertising. Their 'word-of-mouth referrals' continue to be his largest source of new customers.