http://www.aflcio.org/ – The American Federation of Labor-Congress of Industrial Organizations (AFL-CIO) home page.

http://www.ironworkers.org/ – International Association of Bridge, Structural, Ornamental, and Reinforcing Ironworkers.

http://www.bctd.org/ – "The Building and Construction Trades Department, AFL-CIO, coordinates activity and provides resources to 14 affiliated trades unions in the construction industry."

http://www.dadsday.org/ – Dollars Against Diabetes – Union Charitable Drive.

http://www.nea-online.org/ – "NEA - The Association of Union Constructors is a nationwide network of over 5,000 union contractors, local union contractor trade associations, industrial maintenance contractors, and industry suppliers."

http://www.nlrb.gov/ – National Labor Relations Board – "The NLRB is an independent Federal agency created in 1935 to enforce the National Labor Relations Act."

http://www.laboreducator.org/ – The Labor Educator – "Doing any job properly requires the right tools. And when the job is building and strengthening your union, you can rely on Labor Educator publications for the greatest impact at the lowest possible cost."

http://www.osha.gov/ – Occupational Safety and Health Administration (OSHA) – "The mission of the Occupational Safety and Health Administration (OSHA) is to save lives, prevent injuries and protect the health of America's workers."

http://www.labornet.org – "LaborNet was founded in 1991 to build a democratic communication network for the labor movement."

http://phillyunions.com – "PhillyUnions.com is a pro-union entity dedicated to working together with participating area unions in all industries for the common purpose of keeping Philadelphia and vicinity the number one union region in America. PhillyUnions.com will be an online news and information source and network, focusing primarily on news, politics, legislation, events, and economic and employment issues related to or that affect Philadelphia area unions. We also serve as a platform and alternative communication medium for the voices of Philadelphia area union leaders, as well as a resource center and community hub for the entire Philadelphia area union community."

http://www.unionusa.com – "UnionUSA.com was designed to bring Membership information, money saving discounts, and to promote communication between all branches of Organized Labor, becoming your source for union information."

http://www.paaflcio.org/ – Homepage of the Pennsylvania AFL-CIO. "An information source for all working people of Pennsylvania."

http://www.cyberunions.net/ – CyberUnions.net

http://www.house.gov/writerep – U.S. House of Representatives Write Your Representative Service – "A step-by-step form to help you email your Representative in the U.S. House of Representatives."

http://www.politicspa.com – PoliticsPA.com – "A resource for observers of the Pennsylvania political scene." Site content reflects the political views of the owners.

http://www.petitions.org – Global site devoted to petitions of all sorts.