CCHIT
Certification Commission for Healthcare Information Technology
CCHIT “is a recognized certification body for electronic health records and their networks, and a private, nonprofit initiative. Our mission is to accelerate the adoption of robust, interoperable health information technology by creating a credible, efficient certification process.”  CCHIT  “is a private nonprofit organization with the sole public mission of accelerating the adoption of robust, interoperable health information technology by creating a credible, efficient certification process.”
http://www.cchit.org

HIMSS
The Healthcare Information and Management Systems Society
HIMMS  is the “healthcare industry’s membership organization exclusively focused on providing leadership for the optimal use of healthcare information technology (IT) and management systems for the betterment of healthcare.”
HIMSS’s slogan is “Transforming Healthcare through IT.”

http://www.himss.org

ONCHIT
Office of the National Coordinator
for Health Information Technology
ONCIT (or ONC)  “provides counsel to the Secretary of HHS and Departmental leadership for the development and nationwide implementation of an interoperable health information technology infrastructure. Use of this infrastructure will improve the quality, safety and efficiency of health care and the ability of consumers to manage their health information and health care.”
http://healthit.hhs.gov