Barnwell County Agriculture - Data and information on agriculture in the county. cherokee.agecon.clemson.edu/barnwell.htm
County Extension Office - Data and information about Barnwell County, SC. virtual.clemson.edu/groups/barnwell/barnwell.htm
Industrial Development, Tri-County Alliance - Tri-County Economic Development Alliance is a non-profit industrial development agency responsible for recruiting new industry to Allendale, Bamberg and Barnwell Counties in South Carolina. barnwellweb.com/tca
