About Diamond Steel
Diamond Steel was founded in 1928 by Clarence Smith,
Sr. Today, 70 years later, president Dave Collins
leads a firm specializing in steel erection, "in-plant"
maintenance, crane and industrial
equipment rentals, and industrial
hauling. Serving primarily Mahoning, Trumbull
and Columbiana counties in Ohio, Diamond Steel also
works in Western PA, Northern West Virginia, and occasionally
Cleveland, Toledo, and Southern Michigan.
Diamond crews have experience
erecting structural steel, assisting with building or
plant repairs, erecting overhead cranes and handling
concrete reinforcement assignments.
With over 21 cranes,
Diamond has equipment and crew to handle almost any
lifting job. Diamond is a signatory to various
national maintenance agreements, including: Ironworkers,