S&R MECHANICAL, DIVISION OF 681291 ONTARIO INC. was incorporated in September 1986 with a goal of providing proficient mechan ... ical and plumbing services in the Institutional, Industrial, Commercial and Residential sectors. Our head office is located at 250 Vanguard Drive, Ottawa, Ontario K4A 3V6. Our company fleet can be seen combing the Ottawa-Gatineau, Upper Ottawa Valley & Seaway Valley areas. read more