Member Directory Contractor -Traffic Signal InstallationPrint VersionNew SearchPrev1NextProfileHerr Signal and Lighting Co., Inc.Karen Herr, V.P.70 Appalachian DrGrantville, PA 17028-8261Map717-865-5939Fax: 717-865-2341EmailContractor -Traffic Signal InstallationNew SearchPrev1NextBusiness Directory | Chamber Events | Member Account | Community Events | Job Opportunities | Member Discounts | Member Headlines Upcoming EventsWed8 HR/Workforce RoundtableMay 8th @ 12:00 PMWed8 33rd Annual Excellence in Education CelebrationMay 8th @ 6:00 PMThu9 Meeting the Leadership Challenge: Becoming a Better LeaderMay 9th @ 8:00 AMThu9 Ambassador CommitteeMay 9th @ 8:00 AM New MembersCentral PA Tool Library & MakerspaceLiz Arndt PhotographyUpward BroadbandThe St. James PlayersKeystone Family AlliancePho Bar & Grill