National Institute of Standards and Technology (NIST) - http://www.nist.gov
NIST develops and promotes measurement, standards, and technology to enhance productivity, facilitate trade, and improve the quality of life.

Office of Law Enforcement Standards (OLES) - http://www.eeel.nist.gov/oles/
OLES develops performance standards to help law enforcement, corrections, and criminal justice agencies ensure that the equipment they purchase and the technologies they use are safe, dependable, and effective.

National Institute of Justice (NIJ) - http://www.ojp.usdoj.gov/nij/
NIJ is the research, development, and evaluation agency of the U.S. Department of Justice and is dedicated to researching crime control and justice issues. NIJ provides objective, independent, evidence-based knowledge and tools to meet the challenges of crime and justice, particularly at the State and local levels.

Advanced Generation of Interoperability Strategies for Law Enforcement (AGILE) - http://www.nlectc.org/agile/
AGILE’s assists State and local law enforcement agencies to effectively and efficiently communicate with one another across agency and jurisdictional boundaries. It is dedicated to studying interoperability options and making valuable information available to law enforcement, firefighters, and emergency technicians in different jurisdictions in communities across the country.

OASIS - http://www.oasis-open.org/home/index.php
OASIS is a not-for-profit, international consortium that drives the development, convergence and adoption of e-business standards for security, Web services, conformance, business transactions, supply chain, public sector, and interoperability within and between marketplaces.

International Organization for Standardization (ISO) - http://www.iso.ch/iso/en/ISOOnline.frontpage
ISO (International Organization for Standardization) is the world's largest developer of standards. Although ISO's principal activity is the development of technical standards, ISO standards also have important economic and social repercussions. ISO standards make a positive difference, not just to engineers and manufacturers for whom they solve basic problems in production and distribution, but to society as a whole.