Tidal Electric, Inc.
- Developer of tidal generator capable of commercial-scale electrical power production utilizing the oceans' tides as its sole power source.
- http://www.tidalelectric.com/

Yankee Planning Group, LLC
- Land use planning, environmental planning and coastal management services to private, industry, government, and nonprofit clients.
- http://www.yankeeplanning.com/

The Metropolitan District Commission
- Nonprofit municipal corporation chartered by the Connecticut General Assembly in 1929 provides quality water supply, water pollution control, mapping, and household hazardous waste collection to eight member municipalities.
- http://www.themdc.com/