Bit 7 Inc

Founded in 1987, Livingston Products Inc. is a corporation. Located in Buffalo Grove, Ill., it provides services for contract engineering and contract manufacturing. The company offers product design, development and contract manufacturing services, concept design, pre-production units and finished quality products. Its products include new bumble bee stair chair and mammography products. The company operates from a 43,000 square foot facility. Livingston Products Inc. caters to the needs of U.S. markets and overseas markets such as Japan, Europe, and Australia.

Founded in 1933, Karl Lambrecht Corporation specializes in fabricating optical components made of birefringent crystals of calcite, quartz, magnesium fluoride, mica, and many more. The company makes available a wide range of products, such as calcite/magnesium fluoride/crystal quartz polarizers, retardation/mounting devices, scrambler, thin films and glass components. Karl Lambrecht Corporation fabricates several different polarization components of various apertures as standard catalog parts. The firm offers custom-made parts fabricated catering to the specifications provided through customers. It is located in Chicago, Ill.