O S Engines

Porter Athletic Equipment Company, founded in 1868, is one of the leading worldwide suppliers of athletic and recreational equipment. It specializes in basketball equipment, and is the originator of the glass backboard, fan-shaped backboard and full perimeter striping on backboards. The company s basketball backstops have been used in various competition games worldwide, including National Basketball championships, the NBA All-Star game, National Collegiate Athletic Association Final Four tournament, Pan-Am, Goodwill and the World Basketball Championship games. Its athletic equipment have been installed and utilized by leading professional arenas and major universities, local schools, park districts and YMCAs throughout the world. Porter Athletic Equipment Company specializes in installation, inspection, repair and maintenance of gymnasium equipment. Its installation teams provide repair and service of portable, ceiling suspended and wall mounted basketball backstops, divider curtains, mat movers, and floor sleeves and anchors. The company is headquartered in Broadview, Ill.

Clifford-Jacobs Forging produces a variety of custom forgings, from simple round gear blanks to complex multi-impression die forgings weighing from 10 to 650 pounds. The company specializes in low-to-medium runs of parts, ranging from 30 inches in diameter for round parts to 50 inches in length for shaft parts. Clifford-Jacobs Forging s craftsmen are adept at forging a variety of materials, including carbon, alloy and stainless steel. Additionally, it forges a variety of aerospace grade materials, including precipitation-hardening, maraging and select nickel-based super alloy grades. From giant machines tunneling deep into the earth to military planes on the forefront of battle, the company s products are behind some of the best-known names in off-highway/construction equipment, mining, forestry, oilfield, railway and aerospace equipment. Headquartered in Champaign, Ill., Clifford-Jacobs Forging is a privately owned company that employs nearly 100 people.