Sales Team


Estimator/Project Manager

Joel Gryp was hired in May of 1999 as an Estimator/Project Manager and is currently in the Cedar Rapids metro market area. He spends the majority of his time working on DOT, County and Municipal road contracts. When he’s not working, Joel can be found at one of his kids’ ball games or on the golf course.

Estimator/Project Manager

DeWayne was hired in the spring of 2004 and has been in the asphalt industry since 1976. He is currently an Estimator/Project Manager for Cedar Rapids and the surrounding area. DeWayne attended Iowa State University for Civil Engineering and previously worked for his father’s company, Cedar Valley Asphalt, until it was sold to LL Pelling.  He enjoys his Harley and several athletic pursuits in his free time.

Estimator/Project Manager

Barry Rhinehart was hired in 1996 as a shop hand and laborer. In his current position, Barry serves as an Estimator for the Iowa City, Coralville and surrounding areas. One of his largest projects (valued at $10 million) was the reconstruction of Interstate 80. Outside of work, Barry enjoys watching the Hawkeyes, NASCAR, and hunting.

Bob Donohoe

Chip Sealcoat Estimator/Supervisor

Bob Donohoe was hired in 1985 as a laborer on an asphalt crew. He has also worked at the oil plant driving a distributor from 1986 to 1995. In his current position, Bob serves as a Sealcoat Estimator and Foreman.

Chip Sealcoat Estimator

Greg, a new addition to the team in 2013, was born and raised in a family aggregate production business. He was officially introduced to street maintenance work in 1987 and has held many positions including: dump truck driver, chip spreader operator, and road grader operator. Outside of work Greg’s passion is riding his Harley especially over new asphalt! He also loves spending time with his friends, family, and new grandson.

Chip Sealcoat Estimator

Darrin was hired in April 2008 as a driver for our Oil Plant. In 2013, he was promoted to a chip sealcoat estimator. Darrin lives in Millersburg with his wife and daughters.

Painting Division Manager/Estimator

Marianne Wainwright has worked in the asphalt industry since 1987, moving to the painting division in 2006. She works primarily in Eastern Iowa bidding jobs and scheduling painting crews for roadway and parking lot work.