GMG Janitorial, Inc. is a uniquely female owned and operated company founded by Gina Gregori. Gina and her hand-selected crew are known for a special brand of personalized care and quality services. As the industry grows progressively corporate, we maintain an old fashioned philosophy that combines integrity, reliability and profound dedication to customer service. Since the company's inception in 1987, GMG has grown exponentially in size and incorporated the use of cutting-edge management, computer and communication systems to ensure systematic cleaning and prompt issue resolution. Employees are highly skilled in safety and performance..