Your Complete Exterior Renovation Contractor. Welcome Home to Manalco Pickering  955A Alliance Rd., Pickering Ontario L1W 3M8. Phone: [905] 831-6000, Toll Free [800] 926-0320, Fax: [905] 839-0007 Ottawa 3843a Strandherd Dr., Nepan,Ontario K2J 0K3 Phone: [613] 440-4126 Fax: [613] 440-4127