PennWell Corporation, a diversified global media and information company, announced today that it has acquired the Elsevier Public Safety Group including flagship magazine JEMS (Journal of Emergency Medical Services), JEMS.com, and the EMS Today Conference & Exposition (the JEMS Conference), EMS Insider newsletter, along with FireRescue magazine, FirefighterNation.com, FireEMSblogs.com, Law Officer magazine, LawOfficer.com, and the publishing contract for APCO’s Public Safety Communications magazine from Elsevier