Celebrating over Twenty Years
as a full service, Mechanical Contractor

W.J. O'Neil is a multi-faceted mechanical service contractor. The company specializes in plumbing, heating, air-conditioning, process piping, boiler and burner repair and installations, sheet metal fabrication, building automation, design/engineering, CAD design, systems analysis and much more.

Multi- Faceted Services

• Industrial sized boiler and burner service and installations
• Design/Build Services
• CAD engineering/detailing services
• Complete Building Mechanical System Installations
• Mechanical Service retrofits
• Complete Pipe Fabrication Facility
• Mechanical Service

Markets Served:

• Automotive Market
  
• Health Care Market
  
• Industrial Market
  
• Life Science Market
  
• Education Market
  
• Global Marketplace

W . J .   O ' N e i l   C o m p a n y
35457 Industrial
Livonia, MI 48150
(734) 458-2300

24 hr / 7 Day Service
with over 30 Service Techs

Regular Service Hours,
Call (734) 266-3338

After Hours
Emergency Service:
Call (313) 531-9521