McLanahan Board of Directors Member Inducted into Pit & Quarry Hall Of Fame
Hollidaysburg, Pa., April 9, 2025 — Ronald DeDimar, a member of the McLanahan Board of Directors, was one of four individuals selected for the 2025 Pit & Quarry Hall of Fame class. Inductees were honored at a black-tie ceremony and dinner at the Marriott St. Louis Grand in conjunction with this years AGG1 event. The event marked the 10th celebration in Pit & Quarry Hall of Fame history with over 160 guests in attendance.
DeDiemar’s career in the industry has been long and impactful, and he has spent time working with prominent manufacturers of crushing and screening equipment. With a strong background in engineering, he played a strong role in the improvement of equipment design that led to advancements in production gains for aggregate producers. He is the holder or coholder of 13 U.S. patents for enhancements to products such as jaw crushers, cone crushers, gravel scrubbers and apron feeders.
DeDiemar currently serves on the McLanahan Board of Directors. He has made impactful contributions through his work on chamber design and was influential in the company’s expanding crusher offerings.
“Ron DeDiemar represents the very best in terms of professionalism, deep knowledge and passion for the aggregate industry. He has a unique background in that he was a product engineer, a business owner, manufacturer’s representative, mine development consultant, Board Member for a manufacturer (McLanahan) and so much more. His experience and what he is able to give back to the industry, is what sets him apart. He is that person who will forget more than most will ever learn. Couple all of his knowledge with a humble grace and calm demeanor and Ron is unmatched in the industry,” said Sean McLanahan, President and CEO of McLanahan.
The 2025 Class of the Pit & Quarry Hall of Fame will be represented in the National Mining Hall of Fame & Museum in Leadville, Colo., along side the former inductees. Like his fellow inductees, DeDiemar has had a strong impact on the aggregate industry and has left a mark that won't be forgotten.
McLanahan Corporation is proud to have DeDiemar represent the company in the Pit & Quarry Hall of Fame, along with second generation owner and prolific inventor Samuel Calvin McLanahan, and former McLanahan President George Sidney.
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