Standards Associations
	American Association for Laboratory Accreditation - (A2LA)
	American Council of Independent Laboratories - (ACIL)
	American Institute of Chemical Engineers - (AIChE)
	American National Standards Institute - (ANSI)
	American Petroleum Institute - (API)
	American Physical Society
	American Society of Mechanical Engineers - (ASME)
	American Society for Testing and Materials - (ASTM)
	Association of Vacuum Equipment Manufacturers
	CENELEC - European Committee for Electrotechnical Standardization
	CSA International
	Electronic Industries Association - (EIA)
	NRC Institute for National Measurement Standards - (INMS)
	Institute for Electrical and Electronic Engineers - (IEEE)
	International Electrotechnical Commission - (IEC)
	International Organization for Standardization - (ISO)
	ISA - Instrumentation, Systems, and Automation Society
	National Electrical Manufacturer's Association - (NEMA)
	US National Conference of Standards Laboratories -(NCSL)
	US National Institute of Standards & Technology (NIST)
	National Standards System Network - (NSSN)
	National Voluntary Laboratory Accreditation Program (NVLAP)
	Standards Council of Canada - (SCC)
	Underwriters Laboratories - (UL)

Communication Networks
	AS-i
	Controller Area Network (CAN)
	ControlNET
	DeviceNet
	Fieldbus Foundation
	HART
	Industrial Ethernet
	Interbus-S
	Modbus/TCP
	Profibus