Plymouth Economic Development
- Subjects covered include strategic goals and objectives, business park expansion, and commercial and retail activity.
- http://www.plymouthct.us/ecodev.htm

Adventure Balloon
- Hot air balloon flights plus instruction and advertising services.
- http://www.adventureballoon.com/

Wood Acres Farm
- Providing horse drawn carriage rides and sleigh rides.
- http://www.woodacresfarm.com/

Plymouth - Time for Business
- Plymouth Business Park provides map of site and information on available properties.
- http://www.plymouthtime.com/

Phoenix Products Company
- Packager of consumer goods for the swimming pool, spa, potable and industrial water treatment industries.
- http://phoenixproductsco.com/

Local Businesses
- List with contact information, organized by industry.
- http://www.plymouthtime.com/business3.htm

Dufrane Nuclear Shielding, Inc.
- Offers design, engineering and fabrication of shielding and temporary storage for low level radioactive waste. Located in the Terryville section.
- http://www.dufrane.com/