TULSA, Okla.–(BUSINESS WIRE)–Oklahoma’s largest provider of security and smart home solutions, Guardian Security Systems, has been selected as one of the “Best Places to Work in Oklahoma,” an annual list created by okc.BIZ and Best Companies Group. Guardian Security Systems is part of Central Security Group, a Top 10 provider of security and smart home solutions in the United States and an Inc. 5000 fastest-growing private company. Founded more than 40 years ago, Guardian Security Systems als