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.
- http://www.noitr.org/

Ohio Chapter - International Association of Electrical Inspectors
- Lists board of directors, calendar and news.
- http://ohio.iaei.org/

Microenterprise Organization of Ohio (MOO)
- Provides training and technical assistance to microenterprise programs in Ohio.
- http://www.ohmicro.org/

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.
- http://www.ohiocdc.org/

PolymerOhio
- Represents Ohio's processors, material suppliers, machinery manufacturers, mold builders and organizations involved in the plastics industry. Includes directory of members.
- http://www.polymerohio.org/

Ohio Oil and Gas Association
- Provides news, member, legal, legislative, and tax information.
- http://www.ooga.org/

The Ohio Society of CPAs
- Includes general news for visitors and specialized services for members.
- http://www.ohioscpa.com/

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.
- http://www.odanet.com/

Associated General Contractors of Ohio
- Commercial construction association. Provides message board, member, and event information.
- http://www.agcohio.com/

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.
- http://www.ohioshrm.org/

Ohio Manufactured Homes Association
- A nonprofit organization, whose strategic vision strives to make manufactured housing a standard way of life in Ohio.
- http://welcomehomeohio.com/

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.
- http://www.ohiogotogrow.com/

Country Spring Farmers Co-Op
- An agricultural cooperative providing services of grain, feed, petroleum and other agronomy services. Includes list of offices in Ohio.
- http://www.csfco-op.com/

Ohio Small Business Association
- Supplies the small business owner with services.
- http://www.osba.com/

Ohio Building Officials Association (OBOA)
- Includes directory, calendar of events, list of chapters, and discussion board.
- http://www.oboa.org/

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.
- http://www.iaap-ohio.org/

Ohio Manufacturers' Association
- Presents manufacturing news, event calendar, product and service information.
- http://www.ohiomfg.com/

Ohio Vehicle Leasing Association
- A not-for-profit trade association serving more than 200 firms involved in the vehicle leasing industry.
- http://www.uautolease.com/

Ohio Air Quality Development Authority
- Helping large and small businesses in financing and lowering the cost of cleaning the air, controlling and preventing pollution.
- http://www.ohioairquality.org/

Ohio Chemical Council
- Trade association representing the chemical and allied industries in Ohio.
- http://www.ohiochem.org/

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.
- http://dept.kent.edu/oeoc/

Ohio Pest Control Association
- Promote standards and ethics for the pest control industry in Ohio.
- http://www.ohiopca.com/

Ohio Propane Gas Association
- State trade association representing the propane industry that includes small businesses and large corporations
- http://www.ohiopropanegas.org/

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.
- http://www.aquaticcouncil.com

Ohio Auctioneers Association
- A non-profit trade association designed to improve, promote and develop higher standards in the auctioneering profession.
- http://www.ohioauctioneers.org/

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.
- http://www.ppofohio.org/

Ohio Chamber of Commerce
- Dedicated to presenting Ohio lawmakers with the business perspective on issues.
- http://www.ohiochamber.com/

Ohio Nursery and Landscape Association
- Represents the interest of the state's nursery, garden center, and landscape industry.
- http://www.onla.org/

Ohio Business Brokers Association
- A nonprofit organization to promote professional development within the industry.
- http://www.obba.org/

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.
- http://www.ohiocul.org/