Theisen Roofing celebrates 50 years in business

CORTLAND – Theisen Roofing is celebrating its 50th anniversary in 2021.

In 1971, founder Raymond “Ray” Theisen, established a roofing business after branching out from working with his father, Harry M. Theisen, who at the time owned Malcor Roofing Co. in Aurora.

Ray Theisen and several of his brothers worked under their father, who became a partner of G. C. Malcor’s roofing company in 1929.

Ray Theisen’s new venture started off as a solo job, relying upon a used pickup truck and his hand tools. In the business’ early days, a shop was set up in roughly 1,000 square feet of warehouse space on the east end of Lincoln Highway in DeKalb.

A decade later, Ray Theisen purchased a larger, more permanent location on Pleasant Street, which served as the business’ office and warehouse for Theisen Roofing for roughly three decades.

With business continuing to expand, Theisen Roofing moved in 2016 to a 20,000-square-foot facility at 257 W. Stephenie Drive in Cortland.

Through the years, the third-generation company has been known for its quality craftsmanship in residential roofing, siding and seamless gutters.

After 50 years in business, Theisen Roofing is still family owned and operated under the leadership of Ray’s sons Jeff, who joined the company in 1978, and Brian, who joined the company in 1989. Ray’s youngest grandson Eric has also been with the company since 2010.

For more information about Theisen Roofing, visit www.theisenroofing.com or call 815-758-8998.