DirectoryTravelUSA.com provides diversified information about USA travel such as business travel, travelogues, airport, travel agents, resorts, adventure travel, travel tips & tools.
Abletogo.com
Service tailored to meet the needs of disabled and elderly travelers, and those who have difficulty getting about. Free membership required.
http://www.abletogo.com
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Haseltine Systems Corporation
Offers containers and cases that cover and protect wheelchairs, scooters and shower chairs from damage during travel
Travel Care Companions
Provides travel assistance, medical care, and companionship to elderly and disabled travelers enabling them to reach their destination safely.