AGB is the largest black-owned, award winning security firm that opened in Chicago in 2001 and has grown to 1300+ employees. Our clients include Fortune 10 companies and government agencies. We are ISO 9001 certified and proud of the philanthropic efforts of our two 501(c)(3)’s, the AGB Foundation and the AGB Institute, the only security firm in the state approved by Illinois Board of Higher Education, that are committed to making a difference in the communities we serve. Our extensive workforce training and use of technology makes us more efficient and competitive in today’s market.