FIRST NAME  M INTIAL  LAST NAME  SUFFIX  COMPANY   CITY   STATE   ZIP   CERT TYPE   EXPIRATION DATE 
Thomas Woerdeman Transit Mix Concrete Co.Colorado SpringsCO80903Safety Professional04/11/2060
Steve Wobken Ash Grove Cement Co.LincolnNE68521Concrete Technologist Level 410/14/2055
Steve Wobken     Concrete Technologist Level 301/01/2055
Steve Wittstock Central Pre-Mix Concrete Co.SpokaneWA Concrete Technologist Level 310/27/2055
StephenJ.Wittstock Central Pre-Mix Concrete Co.   Concrete Technologist Level 405/20/2055
Derek Wittneben BASF CorporationPhoenixAZ85024Concrete Technologist Level 311/08/2060
Andrew Wittle Pennsy Supply, Inc.HarrisburgPA17110Concrete Technologist Level 302/28/2065
Matthew Witter Knife RiverStocktonCA95203RMC Dispatcher11/16/2065
David Witte Lorne G. Seifert, LLCDillsburgPA17019Concrete Exterior Flatwork Finisher Installer12/15/2065
Timothy Withrow Greggo and FerraraDoverDE19904Concrete Exterior Flatwork Finisher Installer03/14/2065
Timothy Withrow Greggo and FerraraDoverDE19904Concrete Exterior Flatwork Finisher Installer03/14/2065
Emily Witherow Pennsylvania College of TechnologyPerkasiePA18944Pervious Concrete Technician11/09/2027
Valerie Witherington Transfleet Concrete Inc.CollegevillePA19426Concrete Delivery Professional Level II01/16/2027
Albert Withee  BangorME4401Environmental Professional01/01/2055
John Wissler Del DOT DE Concrete Exterior Flatwork Finisher Installer11/14/2060
David Wisnewski  LyndhurstNJ Concrete Technologist Level 301/01/2055
Christian Winzek Traffic Control & Eng.BentlyvillePA15314Concrete Exterior Flatwork Finisher Installer02/14/2065
Laraiel Winton   TN Volumetric Mixer Operator02/02/2029
Rusty Winters   ME Concrete Technologist Level 301/01/2055
Adam Winters M&B ServicesClarionPA16214Concrete Exterior Flatwork Finisher Installer02/15/2065