Callahan's favorite group now is consumer discretionary, the standard portmanteau industry classification that includes retailers, automakers and advertising companies.

FORBES: Taming the Sector Beast

StarMine uses the Global Industry Classification Standard for its industry definitions.

FORBES: A Short Description

"The weird thing about industry classification is that, depending on the sources we look at, there are varying rates of risk, " says Cordell Wise, a Fair Isaac product manager.

FORBES: Magazine Article

This step moves us closer to meeting the recent Jobs Council recommendation to enable regulations to be searched by North American Industry Classification System (NAICS) codes, (NAICS is a standard used by Federal agencies in classifying industry).

WHITEHOUSE: Regulations.gov: Remaking Public Participation

The numbers were combined to find an overall rating of employee happiness for each respondent, and then they were sorted by field to find the six happiest and six unhappiest industries (as defined by the North American Industry Classification System ( NAICS)).

FORBES: The Happiest And Unhappiest Industries To Work In Right Now

The gold miners are currently one of the lowest ranked industry groups in Zacks classification of 265 industries.

FORBES: Titan In The Line Of Fire As Mining Optimism Cools

The British Board of Film Censors, which he joined in 1975, and which later became the British Board of Film Classification, was set up as a self-regulatory body for the film industry.

ECONOMIST: James Ferman