Riverside Millwork Group started as two different companies, Riverside Door & Trim starting in 2005 in Kitchener and County H ... eritage Forest Products starting back in 1976 in London. County Heritage has had a long-standing tradition of providing quality manufactured interior building materials and service in Southwestern Ontario. In 2015, the merge became what is now Riverside Millwork Group with locations in London and Waterloo. Our progressive approach sets up apart from others in the industry since we continually introduce new products and technologies. In the first decade of operation, Riverside saw significant growth. Along the way, new products and technologies were adopted to support the evolving needs of the interior building materials consumer market. Riverside saw growth within a number of locations in the Greater Toronto Area which lead to the opening of a third brick and mortar location in Stoney Creek in 2019. In 2018 Riverside Millwork Group made the annual list for the Growth 500 award of Canada’s Fastest-Growing Companies and ranked number 265 in Canada with a five-year revenue growth of 253%. The Growth 500 is produced by Canada’s premier business and current affairs media brands. Riverside Millwork Group was recognized for overall business performance and sustained growth from the Canada’s Best Managed Companies Award. The winners are among the best in class of Canadian owned and managed companies with revenues over $15 million. read more