"Bison Janitorial Services Ltd 238 Jarvis Ave, Winnipeg, MB R2W 3A2, Canada +1 204-589-0112 We are a Winnipeg based commercial cleaning company, providing quality service for over 25 years. At Bison Janitorial, we specialize in professional janitorial services for commercial offices, industrial warehouses, medical offices, car dealerships, schools and businesses of all sizes in and around Winnipeg. "