Meet Our Team

Tye Engineering and Surveying, Inc is a small locally owned and operated civil engineering and surveying firm that provides services for residential and commercial development projects. We also provide services for a wide variety of water resource projects which include water systems, sewer systems, irrigation projects, and water rights.

Tye Engineering is blessed with a professional staff waiting to assist our clients and provide the best possible service. Our engineering knowledge combined with local experience in the development community is a winning marriage to create successful projects for our clients.

William R Tye

Our Founder

William R Tye, PE, PLS, CWRE*, Graduated from OSU and founded Tye Engineering & Surveying in 1990. “Bill” passed away unexpectedly of a heart attack January 6, 2019, at age 74, on his beloved cattle ranch in Alfalfa, just east of Bend. This salt of the earth, hard-working, fearless, and warm-hearted soul lived his life to the fullest. He connected with so many people and left his mark in making this world a better place.

Dirk Duryee

Dirk Duryee

In 1997, Dirk Duryee, PE, PLS, CWRE*, joined the Tye Engineering team from the Palouse Hills University of Idaho. Dirk brought his professional know how, creativity and tenacity to the firm. As a result, Tye Engineering experience unprecedented growth. He has vast experience with water resource engineering along with private development engineering. In 2016, Dirk became president of the company, and in 2021 became the sole owner of Tye Engineering. In his spare time, he can be found telemark skiing in the backcountry, running the trails, or pursuing elk with his bow.

Martin Gyorgyfalvy

Martin Gyorgyfalvy

In 1990, upon its inception, Martin Gyorgyfalvy, PE, joined Tye Engineering. Martin brought a passion for engineering and never shied away from a challenge. The majority of Martin’s work was focused on commercial developments and business development. Martin has retired his engineering endeavors and can often be found enjoying the vast skiing opportunities at Mt. Bachelor.

Pam Tennant

Pam Tennant

Pam Tennant joined the company in 1994 as an engineering technician. She utilizes her extensive experience with AutoCAD to produce a variety of maps such as; Construction Plans, Topographic Surveys, Boundary Surveys, Boundary Line Adjustments, Partition Plats, Subdivision Plats, ALTA surveys, Foundation Surveys, and FEMA Flood Surveys. If you have a project with challenging land use issues, then she is your local expert.

Survey Drone UAV

Devon Karl,  and his assistant Mr. Drone

Devon Karl, Survey Party Chief, rejoined Tye Engineering in 2017.  He brings 30+ years of knowledge in and out of the field to our team.  He enjoy his time outdoors in the engineering and survey world providing his skills to our clients.  He is a third generation land surveyor and loves the career.

*Professional Engineer (PE), Professional Land Surveyor (PLS), Certified Water Rights Examiner (CWRE)

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