
1992 34 Years of Professional Engineering Services 2026
a.k.a R. L. Plowfield & Associates, Inc.
ABOUT US
Solving Structural Engineering challenges for over 30 years, RLP Engineers (formerly R.L. Plowfield & Associates) is ready to cost effectively design and certify your project. Our team has worked with thousands of architects, contractors, designers, and building owners to cost effectively realize their dreams. We are pleased to count Disney and Universal as satisfied repeat clients. A remodel project or the next world class entertainment venue - We'd like to add you to our distinguished list of satisfied clients.
Our work represents us. Please feel encouraged to review the projects on our site to gain an appreciation for the top engineering talent we can apply to your project. The team is ready to tackle your next project!
JEFFREY S. YEAGER, P.E., SEI, PRINCIPAL
ROBERT L. PLOWFIELD, JR., P.E., PRINCIPAL
Owner
Founder & CEO
Associate
Structural Project Manager
AMY GRAEF, P.E
MATTHEW L. ROSS,P.E.
Hiten Patel, E.I.T
TRENTON LOWERY, DRAFTER
Junior Structural Engineer
Revit / Autocad Technician
KRISTA YEAGER, A.A.
Administrative Assistant/Marketing leader
In practice since 1998, Ms. Graef has been responsible for the design of various commercial, residential, and institutional projects. Her experience is in structural design and inspection includes concrete design, composite beam design, masonry design, steel design, wood design, and cold formed steel design.






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