A horticulturalist for the Chicago Park District, Theodore W. Brickman Sr., established Theodore Brickman Landscaping in 1939. The Brickman Group has become one of the largest landscape service providers in the United States. The company offers a variety of services, such as landscape maintenance, landscape enhancements, design and build, installation, snow and ice management, irrigation, tree care and sports turf. The company has locations throughout the United States that include California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Kentucky, Maryland, Michigan, Minnesota, Missouri, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Texas, Virginia and Wisconsin. The Brickman Group s corporate headquarters are in Gaithersburg, Md.