Barlow Lock & Security, Inc., in Effingham, IL, is the premier security system installer serving Mattoon, Newton, Charleston, Teutopolis, Olney, Albion, Champaign and surrounding areas since 1969. We specialize in security and fire alarm systems. At Barlow, we know security from A to Z and can help you choose the right security equipment to safeguard everything and everyone you care about. Our customers include corporations, retail stores, industrial plants, municipal buildings, institutions and individual homeowners. We are authorized installers for the leading security device companies, including Honeywell, GE, DSC, Silent Knight, Speco and others. Insurance Accepted Call for Details.