Rhode Island Turnpike and Bridge Authority
- RITBA is a toll collection agency that manages The Claiborne Pell Bridge and The Mount Hope Bridge, which connects Portsmouth to Bristol . Find toll rates and contact information.
- http://www.ritba.org/

Rhode Island Technology Transfer Center
- Transferring NASA and other federal technology to private industry, dedicated to the mission of assisting American industry to improve its worldwide competitiveness.
- http://www.uritc.uri.edu/t2center/

Rhode Island Christmas Tree Growers Association
- Organization of tree growers, wholesalers and retailers, promoting the Christmas tree industry. Includes detailed member pages, educational trips, calendar of events and more.
- http://www.richristmastrees.com

AIA Rhode Island
- Calendar, bulletin board, member news, awards, FAQ, employment classifieds and members listing.
- http://www.aia-ri.org/

Rhode Island Food Dealers Association
- Serves food retailers and suppliers in the state, providing information, education, legislative representation, and other services. List of officers, details of member benefits, summaries of legislative issues, and other information.
- http://www.rifda.com/

Sneada: Southern New England Antiques Dealers Association
- Find antiques dealers from Rhode Island, Massachusetts and Connecticut. Get information about shops and member specialties.
- http://www.sneada.org

Rhode Island Economic Policy Council
- A comprehensive overview of Rhode Island's economic development goals, strategy, and progress.
- http://www.ripolicy.org/

Rhode Island Economic Development Corporation
- Business resource for location and relocation assistance, services include site selection, financing, job training, and general information on the state's economy and commerce.
- http://www.riedc.com/

Rhode Island Public Utilities Commission
- A regulatory agency whose responsibilities include oversight of electric, telecommunications, gas, and water utilities and motor carriers section.
- http://www.ripuc.org/

RI Small Business Development Center
- Offers free and low-cost personalized consulting, training seminars, assistance, and information to small businesses and entrepreneurs.
- http://www.risbdc.org/