Keystone
SAWHORSE
Pennsylvania moving toward statewide plumbers license.
http://www.legis.state.pa.us/CFDOCS/Legis/PN/Public/btCheck.cfm?txtType=PDF&sessYr=2011&sessInd=0&billBody=S&billTyp=B&billNbr=0747&pn=0757
http://www.legis.state.pa.us/CFDOCS/Legis/PN/Public/btCheck.cfm?txtType=PDF&sessYr=2011&sessInd=0&billBody=S&billTyp=B&billNbr=0747&pn=0757