| Associated General Contractors of Ohio: Commercial construction association. Provides message board, member, and event information. |
| Country Spring Farmers Co-Op: An agricultural cooperative providing services of grain, feed, petroleum and other agronomy services. Includes list of offices in Ohio. |
| Microenterprise Organization of Ohio (MOO): Provides training and technical assistance to microenterprise programs in Ohio. |
| NARI Inc.: Organization that develops programs that expand and unite the remodeling industry. |
| Northern Ohio Information Technology Roundtable: A partnership of business, academia, and government organized to provide security and safeguarding intellectual property and financial data. Includes scheduled meetings. |
| Ohio Air Quality Development Authority: Helping large and small businesses in financing and lowering the cost of cleaning the air, controlling and preventing pollution. |
| Ohio Aquatic Council Ltd.: Offering certified pool operator training, consulting services, and facility surveys for the design, construction, operation and maintenance of commercial pools and spas. |
| Ohio Auctioneers Association: A non-profit trade association designed to improve, promote and develop higher standards in the auctioneering profession. |
| Ohio Building Officials Association (OBOA): Includes directory, calendar of events, list of chapters, and discussion board. |
| Ohio Business Brokers Association: A nonprofit organization to promote professional development within the industry. |
| Ohio CDC Association: A statewide membership organization of community development corporations that engages in capacity-building, advocacy and public policy development that fosters socially and economically healthy communities. |
| Ohio Chamber of Commerce: Dedicated to presenting Ohio lawmakers with the business perspective on issues. |
| Ohio Chapter - International Association of Electrical Inspectors: Lists board of directors, calendar and news. |
| Ohio Chemical Council: Trade association representing the chemical and allied industries in Ohio. |
| Ohio Credit Union League: A state trade association whose mission is to foster the success of credit unions, and the credit union philosophy, in Ohio. |
| Ohio Development Association: Provides education, information, and networking opportunities to economic development practitioners and others committed to the economic growth of Ohio and its communities. |
| Ohio Division of IAAP: The International Association of Administrative Professionals offers opportunities for education, leadership development, and professional advancement for its 37 chapters and their members throughout Ohio. |
| Ohio Employee Ownership Center: University-based nonprofit organization providing outreach, information, and preliminary technical assistance to employees and business owners interested in exploring employee ownership. |
| Ohio Entrepreneur: Partnership provides entrepreneurs access to the services they need to start and grow a business in Ohio, promotes the state nationally and internationally. |
| Ohio Manufactured Homes Association: A nonprofit organization, whose strategic vision strives to make manufactured housing a standard way of life in Ohio. |
| Ohio Manufacturers' Association: Presents manufacturing news, event calendar, product and service information. |
| Ohio Nursery and Landscape Association: Represents the interest of the state's nursery, garden center, and landscape industry. |
| Ohio Oil and Gas Association: Provides news, member, legal, legislative, and tax information. |
| Ohio Pest Control Association: Promote standards and ethics for the pest control industry in Ohio. |
| Ohio Propane Gas Association: State trade association representing the propane industry that includes small businesses and large corporations |
| Ohio Small Business Association: Supplies the small business owner with services. |
| Ohio State Council of Society for Human Resource Management: Coordinates SHRM chapter efforts and provides leadership, support and ideas to facilitate the role of chapter volunteer leaders in the state. |
| Ohio Vehicle Leasing Association: A not-for-profit trade association serving more than 200 firms involved in the vehicle leasing industry. |
| PolymerOhio: Represents Ohio's processors, material suppliers, machinery manufacturers, mold builders and organizations involved in the plastics industry. Includes directory of members. |
| Professional Photographers Association of Ohio: Enhances the lives of its members in a spirit of friendship by challenging and motivating their personal advancement, through education, technology, and public awareness. |
| The Ohio Society of CPAs: Includes general news for visitors and specialized services for members. |
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