FIRST NAME  M INTIAL  LAST NAME  SUFFIX  COMPANY   CITY   STATE   ZIP   CERT TYPE   EXPIRATION DATE 
Antonio Ramirez Lee ContractorBattle GroundWA98604Pervious Concrete Technician12/13/2026
Juan Garcia  Battle GroundWA98604Pervious Concrete Technician12/13/2026
Jesse Espy Pre-Mix Inc.PullmanWA99163RMC Dispatcher01/17/2065
MarcL.Bradley  LakewoodWA98439RMC Supervisor01/01/2055
Brian Guiney Miles Sand & Gravel CompanyBurlingtonWA98233RMC Dispatcher01/17/2065
Pedro Tapia Maldonado Lee ContractorBattle GroundWA98604Pervious Concrete Technician12/13/2026
Chris Gavigan  DuvallWA98019RMC Supervisor01/01/2055
Michael Liniger American Rock ProductsPascoWA99301Concrete Technologist Level 409/28/2055
EdgarJoseSanchez Lightining Concrete LLCEdgewoodWA98371Pervious Concrete Installer03/23/2026
Garrett Webster WSDOT State Material LabOlympiaWA98504Concrete Technologist Level 409/28/2055
Scott Chambers  ArlingtonWA RMC Supervisor01/01/2055
Parker Sloan GCP Applied TechnologiesSeattleWA98178Concrete Technologist Level 409/28/2055
Kent Klizke  RichlandWA99354RMC Supervisor01/01/2055
Bill Davis  LakewoodWA98439RMC Supervisor01/01/2055
Allan Kramer Lehigh NW Cement Co.TacomaWA98403Concrete Technologist Level 409/28/2055
Sean Roberts CalPortlandCentraliaWA98531Concrete Technologist Level 409/28/2055
Josh Olson Central Washington Concrete, Inc.WenatcheeWA98801Concrete Technologist Level 301/30/2065
Juan Vazquez Ortega Continental Concrete NW LLCMonroeWA98272Pervious Concrete Technician06/07/2026
Dave Crosswhite Miles Sand & Gravel CompanyPuyallupWA98372RMC Supervisor03/01/2065
Matthew Willis Custom Concrete ContractingBellinghamWA98228Pervious Concrete Installer08/30/2026