Featured Projects

  • Volkswagen Group of America awarded W.J. O’Neil Company a contract to fabricate and install utility piping at the automaker’s new automotive plant under construction in Chattanooga, TN. The piping system will deliver gas, air, chilled water, hot water, and steam throughout the plant, more

    Learn more about our featured projects here

  • MichCon DTE hired W.J. O’Neil as the General Contractor to construct three buildings on an existing Green Field. We ran 3,500 feet of underground 24” and 20” gas mains. The key building housed a 4,700 hp reciprocating gas compressor. more

    Learn more about our featured projects here

  • The new BASF Polymer Plant was one of the largest process piping jobs in recent Michigan history. We laid 170,000 linear feet of stainless steel and carbon steel piping 30” and smaller and set over 700 pieces of equipment. more

    Learn more about our featured projects here

News & Events

7/2013
W.J. O’Neil brings mechanical services business to Chicago  read the full story
2/2012
WJO Awarded Contract at Wacker Plant in Charleston, TN  more
2/2012
Shaw Industries Awards WJO Contracts at Several Facilities  more
12/2011
WJO Installs New Paint Shop at Nissan Smyrna Plant    more

Service Department

Our service department can help keep your energy costs down. We’re one of Michigan’s premier green building and sustainability contractors. more

Plan Room

The Plan Room is a pass code protected area where our partners can easily and securely access... more

Safety Matters

At WJO, safety isn’t just a corporate goal; it’s a requirement. We adhere to all federal, state and local regulations. more

Environmental Sustainability

WJO is only one of only 29 contractors in the country to be awarded a GreenStar designation for promoting sustainability. more

CORPORATE HEADQUARTERS

35457 Industrial Dr.
Livonia, Michigan 48150
734.458.2300
734.458.2305 Fax

24-hour emergency service
313.531.9521

INTERNATIONAL - MEXICO

SOUTHERN REGION - AL, GA, MS, TN

500 West 26th Street
Chattanooga, Tennessee 37408
423.702.6000
423.702.6005 Fax

MIDWEST REGION

W.J. O'Neil Chicago, LLC (affiliate)
224 North Justine Street
Chicago, Illinois 60607
312.470.6300
312.470.6305 Fax