Individual Contact Information:

James (Jim) Patterson, P.E.
President / CEO

Email: jimp@holbrookassoc.com

Ronda Engstrom
Mechanical Engineer / Inside Sales Manager

Email: rondae@holbrookassoc.com

Ryan Patterson
After Market Sales / Parts

Email: ryanp@holbrookassoc.com

Mark Holbrook
Treasurer / Secretary

Email: markh@holbrookassoc.com

Tom Larsen
Outside Sales

Email:tom.larsen@holbrookassoc.com