FIRST NAME  M INTIAL  LAST NAME  SUFFIX  COMPANY   CITY   STATE   ZIP   CERT TYPE   EXPIRATION DATE 
JoseLuisOrtiz Lopez HarmonyWilmingtonDE19804Concrete Exterior Flatwork Finisher Installer11/16/2065
Don Ortley  MankatoMN Concrete Technologist Level 301/01/2055
Luke Osborn Rylind ConstructionMt. WolfPA17347Concrete Exterior Flatwork Finisher Installer09/30/2065
Jacob Osborne  WillisburgKY40078RMC Supervisor11/09/2065
Don Osborne  Los AngelesCA Concrete Technologist Level 301/01/2055
Tevin Osborne MassDOTArlingtonMA02476Concrete Exterior Flatwork Finisher Installer02/04/2065
James Osborne Del DOTDoverDE19903Concrete Exterior Flatwork Finisher Installer12/12/2060
Rod Osburn Sorrento LumberBaton RougeLA70818Pervious Concrete Technician08/18/2029
TylerG.Oskin Local 526MunhallPA Concrete Exterior Flatwork Finisher Installer10/01/2065
Erik Osterman Point Ready Mix LLCMcHenryIL60050RMC Supervisor01/24/2060
Jamison Ostertag Delaware DOTMagnoliaDE19962Concrete Exterior Flatwork Finisher Installer11/27/2065
Conor Ostling 93 Construction Company LLCSpring CreekNV89815Plant Manager05/18/2028
Ryan Ostrom  Sedro WoolleyWA98284RMC Dispatcher11/16/2065
Lindsay Ostrom CDACoeur D' AleneID83814Concrete Technologist Level 301/30/2060
Scott Ostwinkle EIECFarleyIA52046Concrete Exterior Flatwork Finisher Installer07/25/2065
Ryan Oswald Aggregate IndustriesEdgewaterMD21037Concrete Technologist Level 302/28/2065
Ryan Oswald Aggregate IndustriesEdgewaterMD21037Concrete Technologist Level 409/19/2065
Rodrigo Oteiza Sepulved Grupo de OroBostonMA02163Plant Manager02/10/2027
Pedro Otero AJ Advanced Solutions Corp.ParklandFL33067Volumetric Mixer Operator11/14/2027
Ken Ott Ash Grove Cement CompanyOverland ParkKS66210Concrete Technologist Level 202/09/2028