Organizations

ACS - American Chemical Society
AGA - American Gas Association
AIChE - American Institute of Chemical Engineers
API - American Petroleum Institute
ASME - American Society of Mechanical Engineers
IChemE - Institution of Chemical Engineers
NPRA - National Petrochemical & Refiners Assn.
SMRP - Society for Maintenance & Reliability Professionals
TAPPI - Technical Assn. of the Pulp & Paper Industry
VMA - Valve Manufacturers Association

Standards

Fieldbus Foundation
HART Foundation
NEMA RATINGS

Regulatory compliance

EPA - U.S. Environmental Protection Agency
ANSI - American National Standards Institute
BSi - BSI Group (British Standards)
CENELEC - European Committee for Electrotechnical Standardization
CSA - Canadian Standards Association
DIN - Deutsches Institute fur Normung
IEC - International Electrotechnical Commission
ISA - Standards information
ISO - International Organization for Standardization

Conversion Tables

Industry malls and communities

Hydrocarbon Online
Paperloop.Com
PetroChemLink
PetroPages.com
Pulp and Paper.Net
Valve World

Fluid mechanic
http://hyperphysics.phyastr.qsu.edu/hbase/hframe.html

Magazines
Chemical Engineering
Chemical Engineering Progress
Chemical Processing
Flow Control Network
Hydrocarbon Processing
InTech
Maintenance Technology
Petroleum News
Pipe Line and Gas Industry
Plant Engineering
Plant Services
Pulp & Paper
Tappi Journal