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W.J. O'Neil Co.
Livonia, MI 48150
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Our Story
Our main lines of business include: Mechanical Contractors, Piping--Industrial, Sheet Metal Contractors & Fabricators.
W.J. O'Neil Co. has been listed in the Blue Book since 2000.
What We Do
- Mechanical Contractors
- Piping--Industrial
- Sheet Metal Contractors & Fabricators
Commercial Experience
Regions & Counties Serviced
- Michigan
Michigan 1
- Wayne
Our CSI Codes
23 01 20 - Operation and Maintenance of HVAC Piping and Pumps
23 01 50 - Operation and Maintenance of Central Heating Equipment
23 01 80 - Operation and Maintenance of Decentralized HVAC Equipment
23 06 20 - Schedules for HVAC Piping and Pumps
23 06 50 - Schedules for Central Heating Equipment
23 06 50.13 - Heating Boiler Schedule
23 06 80.16 - Convection Heating and Cooling Unit Schedule
23 20 00.00.01 - HVAC Piping and Pumps