David A. Dorn, P.E.

Mechanical Engineer

David joined Benchmark Group in 2006 after earning his BSME degree, and received his Professional Engineering license in May 2011.  He has experience in design and project management for HVAC and plumbing on numerous retail projects, including grocery stores and supermarkets, as well as general merchandise and discount stores.  This experience includes new stores as well as modifying and upgrading systems in building expansions, remodels, and acquisitions.  David also performs comprehensive Quality Checks on projects, and is involved in managing and training new designers to produce clear and accurate drawings.  David currently maintains the Walmart and Sam’s Club fuel protos for mechanical, plumbing, and fuel systems. He also designs projects related to those protos.


B.S., Mechanical Engineering, University of Arkansas


American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
National Council of Examiners for Engineering & Surveying (NCEES)

Licensed in:

AR – 14693
CA – 36191
CT – 30902
ID – 16355
IL – 062.064846
KS – 22548
KY – 29559
RI – 11635
WI – 44472-6