Website:
Maintained by:
Transportation Research Board
Structure:
Hierarchical
Can be downloaded here: http://trt.trb.org/trt_download.asp
transportation
Standard Industrial Classification
Submitted by Anonymous on Fri, 2011-09-02 10:50Published in
Maintained by:
U.S. Department of Labor, Occupational Safety and Health Administration
Structure:
Hierarchical
A system for classifying industries. Established in 1937. Similar to and generally superseded by the North American Industry Classification System (NAICS). Still used by the Occupational Health and Safety Administration (OSHA) and by the U.S. Securities Exchange Commission (SEC).
North American Industry Classification System
Submitted by Anonymous on Fri, 2011-09-02 10:14Published in
Website:
Maintained by:
U.S. Economic Classification Policy Committee (ECPC), Statistics Canada, Instituto Nacional de Estadistica, Geografia e Informatica
Structure:
Hierarchical
Last updated:
2007
The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.
Transport Canada Thesaurus
Submitted by Anonymous on Fri, 2011-09-02 09:40Published in
Maintained by:
Transport Canada Library
Structure:
Hierarchical
Last updated:
2008
The Transport Canada Thesaurus (TCT) has been developed as a specialized controlled vocabulary to be used as a source of standardized terminology for the indexing and retrieval of Transport Canada information resources.
Civil Engineering Database Subject Heading List
Submitted by amanda on Sun, 2011-03-13 18:45Website:
Maintained by:
American Society of Civil Engineers (ASCE)
Structure:
Hierarchical
Number of entries:
7800
Last updated:
Current
OECD Macrothesaurus
Submitted by amanda on Fri, 2011-03-11 20:14Published in
Maintained by:
Organisation for Economic Co-operation and Development (OECD)
Structure:
Hierarchical
Last updated:
1991
