Contractors - General Near Me in Mississippi Mills, Ontario Contractors - General Near Me in Mississippi Mills, Ontario Home / Ontario / Mississippi Mills / Contractors - General Contractors - General Greyleith Engineering And Construction Ltd 12624 HWY-7, Mississippi Mills, ON K7C 0C5, Mississippi Mills, Ontario 613-253-3771 Categories of companies in Mississippi Mills Art Galleries & Dealers Caterers Churches & Other Places of Worship Contractors - General Designers Engineering Services Gift Shops Hot Tubs & Spas - Retail Restaurants Restaurants - Pizza Sightseeing Tours