GSW Inc. Profile For one hundred and fifty years, GSW companies have been manufacturing a diversity of consumer durable products. The rich heritage of product innovation, engineering leadership and enduring quality is prevalent in every GSW product reaching its customer. GSW Inc. - a Canadian corporation - continues to expand its offering of consumer durable products to customers, including major North American retailers and wholesalers, specialty distributors, and consumers. Behind every product leaving GSW is a service and technical support commitment GSW customers have come to count on. Today, GSW retains a dynamic position in the marketplace, providing customers with the conveniences of electronic commerce, and critical market information gained through consumer research and constant market analysis.