Contact

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.

W.J. O’Neil Company

Headquarters

35457 Industrial Livonia, MI 48150

734.458.2300

Service

734-266-3338

24-hour emergency service

734-266-3338

W.J. O’Neil Company

Chicago Office

224 N Justine Street Chicago IL, 60607

312-470-6300

Service

312-470-6300

24-hour emergency service

312-470-6300

W.J. O’Neil Company

Chattanooga Office

500 West 26th Street Chattanooga, TN 37408

423-702-6000

Service

423-702-6000

24-hour emergency service

423-702-6000

CONTACT US

We'd love to hear from you!





24/7 Service Contact