Patty's Pups
- Raising AKC Basset Hounds. Includes information about current puppies available, photographs, testimonials and location map.
- http://www.bassetpups.net/

Sands of Iowa
- Offers seed products and agronomy services. Includes company profile, daily grain bids and job opportunities.
- http://www.sandsofiowa.com/

City-Data.com: Marcus, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps.
- http://www.city-data.com/city/Marcus-Iowa.html

Little Sioux Corn Processors
- Ethanol processing plant. Includes company profile, cash bids, ethanol facts, stock information, photographs and list of employees.
- http://www.littlesiouxcornprocessors.com/

Wikipedia: Marcus, Iowa
- Encyclopedia article cover geography and demographics of this city in Cherokee County.
- http://en.wikipedia.org/wiki/Marcus,_Iowa

Marcus Historical Society
- Dedicated to preserve the historical heritage of the community. Includes meeting and membership information, constitution and bylaws and FAQs.
- http://www.marcushistoricalsociety.org/

Marcus, Iowa
- Provides an overview of the community and contains a directory of businesses and service organizations, and a calendar. Includes photographs.
- http://www.marcusiowa.com/

Timfish's All-Purpose Breading Company
- Offers a seasoning mix for fish, ground meat and vegetables. Includes a product catalog, order information, recipes and a list of retail stores.
- http://www.timfishbreading.com/