AFLCIO The American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) is a voluntary federation of 56 national and international labor unions. http://www.aflcio.org
The Union Label The Union Label and Service Trades Department, AFL-CIO, was founded in 1909 to promote the products and services produced in America by union members. http://www.unionlabel.org
OSHA OSHA is the main federal agency charged with the enforcement of safety and health legislation http://www.osha.gov
ELCOSH The Electronic Library of Construction Safety and Health (eLCOSH), is a collection of information on construction safety and health http://www.elcosh.org