Contact Us

With a corporate office in Michigan and a growing presence throughout North America, W.J. O’Neil specializes in solving complex technical problems with superior people and a never-ending dedication to becoming Your Intelligent Facility Partner, For Life.

Headquarters

W.J. O’Neil Company
35457 Industrial
Livonia, MI 48150
734.458.2300
734.458.2305 (fax)

Service
734.266.3338

24-hour emergency service
313.531.9521

International

W.J. O’Neil Company
Mexico

Southern Region - AL, GA, MS, TN

W.J. O’Neil Company
500 West 26th Street
Chattanooga, TN 37408

24-hour emergency service
423.702.6000
423.702.6005 (fax)

Midwest Region

W.J. O’Neil Chicago LLC (affiliate)
224 North Justine Street
Chicago, IL 60607

24-hour emergency service
312.470.6300
312.470.6305 (fax)

Contact Chicago Office

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