Colusa County Economic Forecast
- Economic information for Colusa County by the Sacramento Forecast Project, including employment by industry, unemployment, and local resources.
- http://www.csus.edu/indiv/j/jensena/sfp/sa11/yol2/col/colusa.htm

Colusa County Canning Company
- Food processing facility, producing high quality aseptically packaged tomato paste for domestic and export markets.
- http://www.colusacanning.com/

Colusa County Economic Development Corporation
- Includes information on development, recreation, community, climate, a map, and members.
- http://www.colusacountyedc.org/

Colusa County Cooperative Extension
- Research and educational programs conducted by the University of California Cooperative Extension in cooperation with Colusa County and the US Department of Agriculture.
- http://cecolusa.ucdavis.edu/

ColusaNET
- Local internet service and email provider including links and newsfeeds.
- http://www.colusanet.com/