WJ O'Neil Company brings over 40 years of full-service mechanical contracting expertise to facilities managers, property managers and building owners. With offices in Detroit and Chattanooga, and experience throughout the US, Canada, and Central America, our focus is on customer success, to understand your needs, recommend optimal solutions and deliver quality workmanship on every project. It’s pretty simple. We’ll make your priorities ours – then roll up our sleeves and get them done on time and within budget.
View Top Employees from W.J. O'Neil Company| Website | https://www.wjo.com |
| Revenue | $41 million |
| Funding | $5 million |
| Employees | 95 (75 on RocketReach) |
| Founded | 1983 |
| Address | 35457 Industrial Rd, Livonia, Michigan 48150, US |
| Phone | (734) 458-2300 |
| Fax | (734) 458-2305 |
| Technologies |
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| Industry | Facilities Services, Commercial & Residential Construction, Manufacturing, HVAC, Construction, Mechanical Services, Control Systems, Energy Management Systems, Preventive Maintenance |
| Web Rank | 24 Million |
| Keywords | Wj O'Neil |
| Competitors | Illingworth-Kilgust Mechanical, Inc., Klebs Mechanical, Tessiers Inc, W. Soule & Co., Xcel Mechanical Systems |
| SIC | SIC Code 171 Companies, SIC Code 17 Companies |
| NAICS | NAICS Code 238220 Companies, NAICS Code 2382 Companies, NAICS Code 23822 Companies, NAICS Code 23 Companies, NAICS Code 238 Companies |
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W.J. O'Neil Company Questions
The W.J. O'Neil Company annual revenue was $41 million in 2024.
John O'Neil is the President of W.J. O'Neil Company.
75 people are employed at W.J. O'Neil Company.
W.J. O'Neil Company is based in Livonia, Michigan.
The NAICS codes for W.J. O'Neil Company are [238220, 2382, 23822, 23, 238].
The SIC codes for W.J. O'Neil Company are [171, 17].
Top W.J. O'Neil Company Employees
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ViewKen Zimmerman
Lead Estimator and Project Manager at W.J. O'Neil Company
Harrison, Michigan, United States33 -
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