Portland Air Freight
- Provides air, surface freight,and cargo transportation including warehousing and distribution services.
- http://www.paftrans.com/

Portland International Jetport
- Description of jetport, concessions, ground transportation, map of jetport, links to airlines: American, Business Express, Continental, Delta, US Airways, United, TWA, Northwest, airNova and others. Arrival and destination link not yet available.
- http://www.portlandjetport.org/

Casco Bay Lines Ferry
- Ferry schedules and information provided. Departures between Portland and the islands of Casco Bay: Peaks, Little Diamond, Great Diamond, Diamond Cove, Long, Chebeague, Cliff and Bailey.
- http://www.cascobaylines.com/

AirNav: Portland International Jetport Airport
- Complete aeronautical information provided, including location, runways, navaids, radio frequencies, FBOs and fuel prices.
- http://www.airnav.com/airport/PWM

Maine Aviation Corporation
- Provides a variety of aviation services including aircraft charter, maintenance and parts, aircraft sales and management, and flight training.
- http://www.maineaviation.com/