Mechanical Contractors Since 1940
Our Experience at Your Service

“Working at Riddleberger Brothers Inc. is exciting because the day to day activities are ever changing. The challenge that you face today is not necessarily the challenge you will face tomorrow. There are a variety of experiences that you face on a daily basis and those different challenges is what I feel keep the job exciting. RBI is a good company that will stand behind you and give you credit when credit is due. They really make you feel like a team member and I am proud to work here.”
Clint Lyle
Project Manager
A Place to Build a Career.
At RBI, you benefit from being part of a team while having the opportunity to grow as an individual. RBI supports professional growth with trade apprenticeships and licensure, continuing education, and management and leadership training.
A team you can trust.
With over 75 years of experience, our goal is to increase efficiencies, minimize downtime, improve comfort, and provide solutions to operational issues with prompt 24/7 response.

Resources to get the job done.
From our full team of experienced Engineers and Project Managers to our in-house production capabilities, we’re equipped to respond to our customers’ needs quickly.
Let's partner on your next project.
Featured Construction and Service Projects
What's happening at RBI?
Collaborative Training at RBI
Recently, our service team displayed true collaboration skills by participating in Service Leadership training, working alongside fellow Comfort Systems operating companies. Together, they shared insights on teamwork, customer experience, leadership, coaching, and mentorship—all essential to delivering the best service possible.
Read MoreGreene County Technical Education Center Tour
We had a great time hosting HVAC and welding students from Greene County Technical Education Center at RBI recently! Students got to take a tour of our facilities, learn more about the work we do, and even got hands-on with a virtual demonstration.
Read MoreNew Mobile Learning Trailer
We are putting the finishing touches on our new mobile learning trailer, which will soon start making its debut at local schools, technical centers, trade shows, and other community events.
Read More