Fourth generation owned and operated, we specialize in industrial, institutional and commercial plumbing, gas and steam fitting, boiler and chiller installations, industrial process piping, sprinkler and fire protection piping, heating, ventilating, air conditioning, heat recovery systems, industrial exhaust systems and dust collection.

New Sub Contractor Sign Up Form. Limited is committed to providing outstanding customer service, delivering high quality projects and maintaining or improving upon all construction timelines. We utilize a non-confrontational approach to service delivery and are committed to providing the same level of service throughout the warranty period and beyond. We strive to treat all employees, suppliers and sub-trades fairly and equitably while providing a safe and enjoyable place to work or do business.

General Contractors Proudly Serving the Construction Demands Across Ontario. Since its inception, J. McGuire has achieved a proud reputation in client relations focused on completing the highest quality of work, on time and within budget to the satisfaction of our clients. McGuire is recognized as one of the largest general contractors in Durham Region. Our established success and continued growth in completing large, diverse and complex projects are attribut.

City of Ottawa and other tenders for sale. Listing a Project at the OCA. Coming to Ontario from Québec. The official magazine of the OCA.