March
22-24 NSA 2011 Annual Meeting National Slate Association (NSA) Atlantic City, N.J. Contact: NSA (866) 256-2111 slateassociation.org NERCA 85th Convention & Trade Show North/East Roofing Contractors Association (NERCA) Atlantic City, N.J. Contact: NERCA (781) 849-0555 www.nerca.org/convention.htm
23 Profitability Through Effective Safety Programs NRCA Atlanta Contact: NRCA's Customer Service Department (866) ASK-NRCA (275-6722) www.nrca.net
24 Rooftop Photovoltaics: Energizing Your Business NRCA Atlanta Contact: NRCA's Customer Service Department (866) ASK-NRCA (275-6722)