Excellence since 1948!

From our humble roots as a one-man operation known as Carlisle Steel Supply, Ritner Steel, Inc. has been consistently serving the construction industry in Pennsylvania since 1948 as a Custom Steel Fabricator.

Learn more about our history.


What We Do

We supply the do-it-yourselfer, home builder, general contractor, trade contractors and industry. We carry a wide selection of steel shapes and products. Our products include Fixed and Adjustable Basement Posts, anchor bolts, bar joist, metal decking, reinforcing bars and much more. So if your requirements are just a small piece of steel or a completely fabricated structural or miscellaneous project, processed to all AISC standards, we take great pride in meeting your needs.

“When we built our home, steel just made better sense!”


A few words from our clients…

Stephen W.

We rely on Ritner Steel to monitor and advise Alexander Building Co. on the structural steel fabrication and erection aspects of our projects. The expertise and professionalism that Ritner Steel shows during the preconstruction phase is critical to the success of our projects.

Richard V.

It’s been a pleasure working with you and your team at Ritner Steel. We appreciate how you have met or improved on all your performance/schedule requirements while providing quality submittals and workmanship. We also appreciate the positive attitude and approach you and your team have for getting the job done as well as owning and overcoming any problems that we’ve had.

Mike K.

We have been doing business together for over 15 years and have enjoyed a relationship built on trust and reliability.  Our business is based around service to our customers and Ritner understands and embraces this approach as well, which has led to many successful opportunities working together.

Rena Geesaman

Susquehanna Bank has been blessed to have a customer relationship with Ritner Steel Inc since 2006. They are a highly valued client whose executives and team members have exhibited the same set of core values which we hold dear…..service, communication, integrity, honesty, respect, appreciation and responsibility.

Contact Us

We look forward to hearing from you!

Ritner Steel, Inc.

131 Stover Drive

Carlisle, PA 17015 USA

Phone: 717.249.1449
Fax: 717.249.6829

  • If you are contacting us for an Estimate please use our Request an Estimate Form Request an Estimate
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