| Central Mississippi Planning and Development District | | Regional planning organization serving the governments of Copiah, Hinds, Madison, Rankin, Simpson, Warren and Yazoo counties. Information about planning, economic development, workforce training, agency on aging, and other programs. |
| Golden Triangle Planning and Development District | | Regional agency serving local governments in Choctaw, Clay, Lowndes, Noxubee, Oktibbeha, Webster, and Winston counties with economic development, E-911, childcare, senior services, and related functions. |
| North Mississippi Industrial Development Association | | Organization of electrical power distributors serving most of northern and northeastern Mississippi, organized to generate business and industry prospects. Information about the region, community resources, and available sites and incentives. |
| Region 8 Mental Health Services | | Provider of services for people with developmental disabilities and treatment and prevention for mental and emotional problems in Rankin, Madison, Simpson, and Copiah Counties. |
| Southern Mississippi Planning and Development District | | Regional planning entity assisting 15 county and 37 municipal governments in Covington, Forrest, George, Greene, Hancock, Harrison, Jackson, Jefferson Davis, Jones, Lamar, Marion, Pearl River, Perry, Stone and Wayne Counties. |
| Spot Cash Stores | | Sellers of furniture, appliances, tires, and auto care products, with stores in Starkville, Kosciusko, Grenada, and Winona. Locations and lists of brands. |
| Three Rivers Planning and Development District | | Non-profit regional intergovernmental organization that serves Calhoun, Chickasaw, Itawamba, Lafayette, Lee, Monroe, Pontotoc, and Union counties in economic development, solid waste management, health and aging, and related services. | |
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