State Sen. Tom Killion (R-9) Senator Tom Killion (R-9) and Senator Tom McGarrigle (R 26) will host two free COSTARS Workshops on Thursday, October 6 to provide information for local companies on state and local bidding opportunities.  The first workshop will be hosted at 10 a.m. by the Chester County Chamber of Business and Industry, located at1600 Paoli Pike in Malvern. A second event at 1:30 p.m....