• The Altstadt & Langlas Baking Company, baked goods
• Beck-Nauman & Watts Company, sash and door company
• Canfield Lumber Company, lumber
• Waterloo & Cedar Falls Rapid Transit Railway, transportation
• William Galloway Company, farm machinery
• Waterloo Gasoline Engine Company, tractors and other farm machinery
• Rath Packing Company, food products
• William A. Welty Company, fountain pens
• Litchfield Manufacturing Company, farm machinery
• The Iowa Dairy Separator Company, cream separators and gasoline engines
• The John Deere Company, farm machinery

For more information visit: Waterloo Biographies 1854-2004