Thomas Dean & Hoskins, Inc. (TD&H) is a consulting firm offering comprehensive civil, structural, and environmental services throughout Idaho, Montana, North Dakota, Pennsylvania and Washington. We serve a diverse clientele ranging from unincorporated communities to large cities and individuals to large corporations. We assist our clients through all project phases, from concept development through construction and warranty assistance. TD&H has been satisfying clients since its incorporation in 1965, all the while building an impressive resume of successful projects. TD&H strives to provide innovative engineering solutions to challenging technical problems by assigning professionals who understand the issues and deliver results. We place a high priority on service and measure our success in terms of client satisfaction.
Our Mission
To perform high-quality engineering services that meet or exceed
our clients’ desires and expectations, for a fair price, in a timely manner.
Our Staff
We provide engineering services that are a direct reflection of our skilled and knowledgeable staff. Our qualified, intelligent, self-motivated employees achieve high levels of performance, and TD&H encourages excellence by providing interesting projects, promoting professional development, offering a pleasant and cordial work environment, maintaining open communication, and providing compensation commensurate to each employee’s knowledge and ability.
Growth
TD&H is fueled by healthy, steady, and conservative growth. We invest time and capital in personnel and equipment to optimize our returns. We continue to look for opportunities in expanding markets and to position TD&H to hire the best people.
Clients
We are committed to providing our clients with high quality services at a fair price. We are fair, honest, courteous, and professional. We are sensitive to our clients’ desires and dedicated to their satisfaction.
Our Leadership Team

Steven Marsh P.E., Principal
CEO / President

Rodney Blake P.E., Principal
Vice President / Regional Manager

Paul Hopkins PhD, P.E., S.E., Principal
Vice President/Regional Manager

Kyle Scarr P.E., Principal
Vice President / Regional Manager

Bucky Kempa P.E., Principal
Vice President / Engineer - Electrical

Kelly Okes Principal
Financial / Human Resources Director

Scott Mahurin P.E., S.E., Principal
Vice President / Engineer - Structural

Alex Edwards P.E., Principal
Engineer – Civil

Andrew Cooper P.E., Principal
Engineer - Structural

Brady Lassila P.E., Principal
Engineer - Transportation & Bridge

Chevy Baily P.E.
Regional Manager / Engineer - Civil

Cody Croskey P.E., Principal
Engineer - Civil & Environmental

Craig Nadeau P.E., Principal
Testing Lab Manager / Engineer - Geotechnical

Dave Broquist P.E., Principal
Engineer - Mechanical

Douglas A. Peppmeier P.E., Principal
Vice President / Regional Manager

James Wyatt P.E. & Principal
Project Manager/ Mechanical Engineer

Jana Cooper PLA., Principal
Landscape Architecture Manager

John Juras P.E., Principal
Engineer - Civil

Kyle Palagi P.E., S.E., Principal
Engineer - Structural

Lee French P.E., Principal
Engineer - Structural

Marissa Siemens P.E., Principal
Vice President / Regional Manager

Matt Beard P.E., PLS., Principal
Vice President / Regional Manager

Matt McGee P.E., Principal
Engineer - Civil & Environmental

Nate Young P.E., Principal
Engineer - Civil

Nathan Kleinsasser P.E., Principal
Engineer - Electrical

Phil Odegard P.E., S.E., Principal
Vice President / Regional Manager

Tony Stenlund P.E., S.E., Principal
Engineer - Structural