Operational for more than 50 years, HGA, also known as Hammel, Green and Abrahamson, is a full-service architecture, engineering and planning firm. It specializes in civil, electrical, industrial, mechanical and structural engineering; interior, lighting and sustainable designing; and landscape architecture and drafting design policies. It serves a broad range of corporate, cultural, education, engineering, government, health care, religious, science and technology and architectural clients, such as 3M, General Mills, Honeywell, the University of Minnesota, North Dakota State University, Medtronic and Unisys. HGA has received various awards, including American Council of Engineering Companies of Minnesota Honor Award. The company is located in Milwaukee with offices in Los Angeles, San Francisco, Minneapolis, Sacramento, Calif., and Rochester, N.Y.