Cornerstone Steel Corporation, based in Oklahoma, can design the perfect metal building that fits your needs.  At Cornerstone Steel Corporation, we continuously develop some of the most versatile, energy-efficient and cost-effective metal building solutions on the market today. We work closely with our customers to gain a deeper understanding of their building needs. As a result, we develop new solutions, or improve existing ones, that provide you with high-performance, competitive products.  Cornerstone Steel Corporation offers a full range of metal building framing options, industry-proven roof panel systems, attractive steel wall panels, insulated metal panels, energy-saving prismatic skylights, innovative mezzanines, and multiple building accessories.  We can also drop ship a metal building package/kit to your building site, anywhere.

We are proud to be an Authorized Nucor Building Systems Dealer, the leading steel building manufacturer in the industry.  Nucor Corporation’s integrated infrastructure allows us direct access to an uninterrupted supply of steel. As a result, we have the ability to provide our customers with single source solutions for a wide range of products. As an industry leader, our strength, capacity, and resources offer unprecedented value to our customers.

Metal Building Systems – The Cost Effective Solution

Our flexibility allows your building’s design to be adapted to support your unique requirements while delivering a practical and cost effective building solution. At Cornerstone Steel Corporation, we design and manufacture custom steel buildings for a wide variety of end-uses including commercial and retail, industrial, warehouse, community, agriculture and everything in between.

Inherently flexible in design, your steel building can be customized to meet your specific project requirements. And with our rendering & virtual reality technology, you can gain a life-like virtual experience of your building before it’s even manufactured.

Metal Building Types

Meet The Owner


Lockhart DiPaolo Jr.

Lockhart DiPaolo, Jr is a successful entrepreneur in the Logistics, Construction, and Land Development Industries.

He holds multiple degrees from Liberty University and Florida State College at Jacksonville in business, engineering and logistics.

He is passionate about serving his community, church and customers with integrity, honesty and excellence.

Lockhart proudly served our great nation in the U.S. Navy and supported operation Iraqi freedom and operation enduring freedom where he was promoted to an E5 in a short 2.5 years. Lockhart was Meritoriously advanced to E3 in Bootcamp, and he was entrusted to a leadership position.

Lockhart graduated from the FedEx Freight Leadership Development Program and after graduating he served as an Operations Supervisor where he was responsible for effectively leading multiple team members in a high paced and intense environment.

Lockhart is from 4 Generations of entrepreneurs in construction and business.

As an adult, Lockhart saw a great need for honesty, integrity and quality work in the construction business, so he chose to carry on the family legacy and he started Cornerstone Developers, Inc.

Which has today grown into multiple divisions including Cornerstone Steel Corporation where Lockhart is currently overseeing and managing the construction and erection of quality metal buildings for customers across the country.