24/7 EMERGENCY SERVICE AVAILABLE! 630-906-1300
Serving the Chicagoland Area since 1926
Established in 1926, RJ O’Neil embodies a robust sense of pride that defines our company. Renowned for our unwavering commitment to high-quality, service-oriented practices and a team-oriented approach, we diligently strive to enhance our products, processes, and services on a continuous basis. Specializing in delivering top-notch HVAC-R, plumbing, and mechanical services to the municipal, industrial, commercial, and residential sectors, our can-do attitude, extensive service legacy, and established process for ensuring customer satisfaction forge enduring partnerships with our clientele, positioning RJ O’Neil as the ultimate choice for all your mechanical service needs.
OUR 5 POINTS OF DIFFERENCE
End-to-end solution for mechanical systems: From install to maintenance.
Count on us to install, maintain and repair your mechanical systems for decades to come. There’s a great advantage to having years of experience – and being there for the long haul.
Focus on new construction and expansion projects for commercial, industrial, and municipal buildings.
We have a 100% on-time completion record because we are 100% committed to your success.
Equity and responsibility.
If you’re looking for greater diversity, we’re proud to be a certified woman-owned and minority-owned business for the City of Chicago and State of Illinois. At RJ O’Neil, safety is always a top priority.
Relationships lead to better outcomes.
We build relationships with the people driving your success: you, fellow tradespeople, our team, and our subcontractors. Expect consistent communication throughout a project.
One person to blame and thank.
We’re an extension of your team. You’ll have the same project manager throughout the duration of the project.
WE BELIEVE GOOD CULTURE CREATES BETTER OUTCOMES FOR YOUR PROJECT
There’s more to working with RJ O’Neil than just installing equipment. Our secret sauce is our people. There’s an ease of doing business with us and positivity infused throughout our work. We believe a great work culture translates into successful relationships.
To us, a great culture means supporting each other. We encourage our employees to make homelife a priority and earn an honest wage for an honest day’s work. Because of our culture, we bring the best of ourselves to every project!
