TriState Bizfon LLC
- Specializing in small office phone systems, with up to 24 lines and 32 extensions with cordless capability. Danbury
- http://www.tristatebizfon.com/

Pilothouse Communications, LLC
- Provides a wide range of telecomm solutions for various sized businesses.
- http://www.pilothousecomm.com/

Granite Communications
- Provides voice and data telephone systems, cabling and related tools. Located in North Haven.
- http://www.granitecomm.com/

Farmstead Telephone Group
- Distributor of Avaya telecommunication equipments. Also provides installation, repair, refurbishing, short-term rental, and inventory management. (American Stock Exchange, FTG). East Hartford
- http://www.farmstead.com/

DigitalPhone USA
- Sales and service of voice, data and messaging for all communications needs in Stamford.
- http://www.digitalphoneusa.com/

American Business Telephone and Technologies LLC
- Offers new and re-manufactured telephone systems, accessories, upgrades and replacement parts. Manchester
- http://www.abtelephone.com/

Baldwin Communications
- Advanced telephone Nitsuko/ NEC systems servicing the state. Cheshire
- http://www.bce-ct.com/

Amnet Systems
- Providing design and installation services utilizing advanced voice and data communication products. Stamford
- http://www.amnetsystems.com/

Allied Phone
- Phones, systems, wireless products and nationwide service.
- http://www.alliedphone.com/