Contact Us

LL Pelling General Office
1425 West Penn Street
P.O. Box 230
North Liberty, IA 52317
Phone: (319) 626-4600
Fax: (319) 626-4605
Cedar Rapids Plant
(319) 632-3150
Marion Plant
(319) 377-8615
Iowa City Plant
(319) 351-3068
Online Form
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Contact a member of our team directly!

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Estimator/Project Manager – C.R.

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 – C.R.

DeWayne was hired in the spring of 2004 and has been in the asphalt industry since 1976.  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 is a proud father of four and a new grandpa. He enjoys his Harley and several athletic pursuits in his free time.

Estimator/Project Manager – Iowa City & Coralville

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.

Sealcoat Estimator – Wyoming area

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.


Bob Donohoe

Sealcoat Estimator/Supervisor – South of I-80

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. Contact Bob at (319) 330-2731.

Sealcoat Estimator/Supervisor – North of I-80

Darrin Tippie was hired in 2008 to drive a distributor for the Oil Plant. In his current position, Darrin serves as a Sealcoat Estimator and Foreman. Contact Darrin via email or at (319) 330-2730.

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.