D & D Engineering

OptoNet, Inc was founded in 2003. OptoNet develops advanced, innovative photonic chips and modules based on proprietary approaches to monolithic integration of InP photonic devices including tunable laser, tunable filter, optical performance monitor, tunable wavelength converter, and Mux/Demux. We also have integrated Si packaging platform design for avionic application, which can provide C55 to +95 C operating temperature range, 5mm packaging profile, and 2.5GHz modulation rate. This basic packaging technology we have can be tailored to fit any chip technologies we are developing. OptoNet, Inc develops advanced, innovative photonic chips and modules based on proprietary approaches to monolithic integration of InP photonic devices and packaging. It prides itself on several novel techniques: super compact grating based tunable laser/tunable filter, and ruggedized packaging technology that greatly improves coupling efficiency and reduces the cost of packaging for photonic integrated circuit. The company's Evanston, Illinois facility contains semiconductor fabrication, characterization and packaging equipments. OptoNet's research scientists and development engineers have decades of experience in photonic R&D, and have contributed to the many patents the company owns. OptoNet, Inc has a strong interest in collaborated research with universities and government agencies. We welcome collaborations with people who share our visions and dreams.

Established in 1961, Graef is one of the leading, employee-owned consulting firms in the United States. The company specializes in structural, civil and transportation engineering solutions. It serves clients in the health care, educational, hospitality, manufacturing and retail industries, as well as government organizations. The company offers a variety of residential design solutions. Graef undertakes projects for industrial units, bridges, and sports and recreational facilities. The company offers environmental, plumbing and contracting services. It conducts inspections and handles replacement and reconstruction projects. The company s project portfolio includes McCleary Bridge and Wausau Highway. Graef has offices in Wisconsin, Illinois, Arizona and Florida.

HBM Engineering Group LLC is a civic, structural and geotechnical engineering service provider to public and private offices. Based in Hillside, Ill., the company specializes in design, detailing, preparation construction documents and performance of construction. It caters to transportation/roadway facilities, highways, bridges and buildings. Its list of projects includes North Halsted Street Bridge and Loyola University Residence. HBM Engineering Group LLC is certified by the Illinois Department of Business Regulation. The company serves government agencies, municipalities, architects, insurance companies, and contractors.