OUR TEAM
Patrick Ralston
Patrick Ralston
Patrick Ralston
Founder & Senior Project Manager
Patrick grew up on his family’s farm in South Central Kansas and then graduated from Kansas State University in 1996 with a Civil Engineering Degree. After graduation, he spent 8 years working on heavy highway and civil construction projects. For the next 15 years, he successfully managed numerous projec
Founder & Senior Project Manager
Patrick grew up on his family’s farm in South Central Kansas and then graduated from Kansas State University in 1996 with a Civil Engineering Degree. After graduation, he spent 8 years working on heavy highway and civil construction projects. For the next 15 years, he successfully managed numerous projects for his Customers in the renewable energy industry. During this time, he managed the design and construction of 3 new greenfield ethanol plants, several bolt on technology additions, a major rebuild of an entire plant, and a number of plant expansions / upgrades. In 2020, he realized his lifelong dream of starting his own company, 5R Contractors. Since then, Patrick has served as the construction manager for a major expansion at a beverage grade ethanol facility, managed a handful of renewable natural gas projects for a mechanical subcontractor, coordinated engineering projects, and served as an owner’s representative on a plant upgrade. Patrick enjoys the outdoors, cooking, watching college sports and spending time with his wife and three children.
Nathan Spicer
Patrick Ralston
Patrick Ralston
Senior Project Manager
Nathan was raised in Southeast Kansas and graduated from Pittsburg State University in 2008 with a Construction Management Degree. After graduation, he spent a year in industrial construction and then moved into the renewable energy industry. For the next decade, he managed multiple projects, including corn oil ext
Senior Project Manager
Nathan was raised in Southeast Kansas and graduated from Pittsburg State University in 2008 with a Construction Management Degree. After graduation, he spent a year in industrial construction and then moved into the renewable energy industry. For the next decade, he managed multiple projects, including corn oil extraction, plant expansions / upgrades, and assisted with 2 new greenfield ethanol plants. Then he spent 3 years working on combined heat and power projects for renewable energy customers. Nathan joined 5R Contractors in 2023 and continues to use his expertise to estimate and manage projects. In his free time, Nathan enjoys playing golf, fishing, and spending time with his two children.