Hamilton

International Sensor Systems / Aurora Boardworks is a manufacturer of custom built circuit assemblies for industrial, aerospace, medical device and agriculture applications.

Top Flite Corporation is primarily engaged in manufacturing continuous cold rolled helicoid flighting --- Auger products for agriculture and industry.

Mars pet care produces pet products.

Kaapa Partners Aurora, Llc is primarily engaged in manufacturing ethanol.

Penner Manufacturing, Inc. is primarily engaged in the manufacturing of bathing systems and related products.

Bish Enterprises, Inc. is primarily engaged in manufacturing farm machinery and equipment, including wheel tractors, for use in the preparation and maintenance of the soil; planting and harvesting of the crop; preparing crops for market on the farm; or for use in performing other farm operations and processes. This also includes manufacturing commercial mowing and other turf and grounds care equipment.

Fiberglass Products, Inc. is primarily engaged in manufacturing fiberglass products.

Chief Industries, Inc. -- This location builds modular homes.