Lloyd A. Semple

The Group's principal activities are to design, develop and manufacture systems and equipment for integrated passive surveillance systems, electronic countermeasures and simulators for military and commercial customers. The Defense Systems segment designs and develops products that intercept, analyze, classify, identify, localize and track microwave signals from radars and weapons. The Communication segment designs and develops products that intercept signals, analyze the on-line communication and identify and localize the involved parties. The Imaging segment designs and develops products for multispectral, infrared and light imaging systems. On 14-Apr-2004, the Group acquired Imaging Sensors and Systems Inc and on 30-Sep-2004, acquired Argon Engineering Associates

Argon ST A Boeing Co., Inc. provides C4ISR and combat systems. It designs, develops, and produces signals intelligence sensors. It also reconnaissance, communication, and navigation systems; geo-location; electronic warfare; threat warning; and adversary emulation systems. The company was founded by Victor F. Sellier in 2001 and is headquartered in Fairfax, VA.

Dykema Gossett PLLC provides legal services. The company serves corporations, middle-market and emerging companies. Its client base includes individuals, publicly held corporations, privately held companies, limited and general partnerships, associations, hospitals and managed care networks, banks and financial institutions and retailers. The company was founded in 1926 and is headquartered in Detroit, MI.

The Detroit Medical Center's (DMC) record of service has provided medical excellence throughout the history of the Metropolitan Detroit area. From the founding of Children's Hospital in 1886, to the creation of the first mechanical heart at Harper Hospital 50 years ago. Their medical experts are nationally recognized and each year, hundreds of DMC doctors are included in the list of America's Best Doctors. A reputation for excellence draws patients to world-class programs in oncology, organ transplant, cardiology, women's services, neurosciences, stroke treatment, optometry, orthopedics, pediatrics and rehabilitation. They are the leading academically integrated system in metropolitan Detroit and the largest health care provider in southeast Michigan. The DMC has more than 2,000 licensed beds and 3,000 affiliated physicians. Detroit Medical Center facilities employ best practices and conduct business in an atmosphere of respect and professionalism. Their recognition of and attention to diversity in their business operations and healthcare services is unparalleled. Their volunteer efforts in health education & disease prevention represent an ongoing commitment to the health and well-being of the communities they serve. The DMC continues to meet the health care needs of a growing community, offering the best in medical research & development, advanced technology and optimum clinical services.

National Audubon Society, Inc. conserves and restores natural ecosystems. The firm preserves species of birds, other animals, and their natural habitats. Its projects include saving habitat in the everglades, arctic wildlife refuge, long island sound, and mississippi river basin. The company was founded in 1905 by George Bird Grinnell and is headquartered in New York City, NY.

The Detroit Zoological Society is a private, not-for-profit corporation. It operates the Detroit Zoo and Belle Isle Nature Zoo. The firm offers arctic ring of life and the australian outback adventure, the detroit zoo houses over 1,500 animals of 260 different species. The Belle Isle Nature Zoo encompasses 20 acres of forested wetlands with nature trails, a lodge and live animal exhibits focusing on Michigan wildlife. The company was founded in 1911 and is headquartered in Royal Oak, MI.

The ExOne Co. engages in the development, manufacture, and marketing of three-dimensional (3D) printing machines. It offers 3D printing solutions to industrial customers in the aerospace, automotive, heavy equipment, energy, and oil and gas industries. The company was founded in 1995 and is headquartered in North Huntingdon, PA.