Missouri Small Business Development Centers
- Counseling and training services for Missouri's small businesses. Outreach project of the University of Missouri System.
- http://www.mo-sbdc.org/

Missouri Limestone Producers Association (MLPA)
- Promotes and protects the interests of crushed stone operators located or doing business in the state.
- http://www.molimestone.com/

Missouri Association of Sheltered Workshop Managers
- Providing employment opportunities for Missourians with disabilities through quality business services.
- http://www.moworkshops.org

Missouri Association of Trial Attorneys
- An organization for attorneys who care about consumers' rights and the civil justice system.
- http://www.matanet.org/

Missouri Society of Certified Public Accountants (MSCPA)
- Professional association of financial experts in public practice, industry, government and education.
- http://www.mocpa.org/

Missouri Association of Mutual Insurance Companies (MAMIC)
- This association provides its membership with educational meetings, materials, newsletters, and forms.
- http://www.mamic.net/

Missouri Chamber of Commerce
- Our mission is to protect and advance Missouri business. News releases, links to local Chambers, schedule of meetings and events, and government links are provided.
- http://www.mochamber.org/

Associated Industries of Missouri
- Advocacy and lobbying on laws, taxes and safety and environmental regulations.
- http://www.aimo.com/