Cowhey Gudmundson Leder, Ltd. was established in 1975 to offer highly personalized and professional services to clients involved in real estate development throughout the Chicago area. Serving both the private and public sectors, the firm’s commitment to providing resourceful, expeditious and highly skilled services continues to make CGL an industry leader, an innovative and award-winning company well respected for its expertise in the fields of civil, sanitary, environmental and municipal engineering, as well as natural resources and land surveying. In today’s complex development landscape, Cowhey Gudmundson Leder, Ltd. has become the company to call. Our engineering staff has capability and experience in a wide range of professional services to provide create engineering solutions to address complex projects. CGL can assist in providing a variety of Civil Engineering, as well as Land Surveying, Natural Resource, GIS Mapping and Database Management services for both Private and Municipal Sectors.