INTERNATIONAL MEDICAL CORPS
https://internationalmedicalcorps.org/eve
HANDICAP INTERNATIONAL
Handicap International has been working in Nepal since 2000 and has 47 volunteers on the ground distributing wheelchairs and other mobility aids, and providing help with rehabilitation and logistics.
http://www.handicap-international.us/nepal_emergency_7_9_magnitude_earthquake_strikes
SAVE THE CHILDREN
Based in Fairfield, Conn., the charity has been in Nepal since 1976, has about 400 workers in the country, most of them Nepali and is focused on helping children and their families.
DOCTORS WITHOUT BORDERS
The charity says it is sending eight teams of health care providers, including eight surgeons, to assist earthquake victims and distribute supplies.
http://www.doctorswithoutborders.org/country-region/nepal
CARE
Atlanta-based CARE, which already had 150 workers in the country, is sending in more and has announced a public appeal seeking $40 million in donations to help about 100,000 people
http://www.care.org/emergencies/earthquake-nepal
MERCY CORPS
Mercy Corps has been in Nepal since 2006 and has more than 90 volunteers on the ground trying to distribute water, shelter kits, mosquito netting, tarps, cooking utensils, hygiene materials and other household provisions.
https://www.mercycorps.org/donate/survivors-need-your-help-now