http://www.artba.org 
The Washington, D.C.-based American Road & Transportation Builders Association (ARTBA) is a non-partisan association whose primary goal is to aggressively grow and protect transportation infrastructure investment to meet the public and business demand for safe and efficient travel.  ARTBA was founded in 1902, and, in addition to its core mission, engages in a number of activities to benefit its membership.

• Developing and advocating consensus legislative and regulatory policy positions.
• Producing cutting-edge economic reports and analyses aimed at empowering industry executives to make smart business decisions.
• Representing the industry’s market interests when threatened in court by anti-transportation opponents.
• Offering innovative training, certification and other services that are designed to improve safety on both sides of the work zone barricades.
• Providing executive level networking and business development opportunities through events, regional leadership teams, webinars, and regular division, committee and council meetings.
• Delivering exclusive news and information via multiple communications platforms on transportation investment, policy, safety, environmental and other issues.
• Providing leadership and professional growth forums for the next generation via the Industry Leader Development Council.

http://www.gatransportation.org/
The Georgia Transportation Alliance (GTA) is the state’s only organization focused solely on identifying and promoting long-term transportation solutions specifically connected to economic development and job creation. The Alliance works closely with the Georgia Chamber of Commerce, the Georgia Department of Transportation, and other key stakeholders in Georgia and in Washington, DC, with the goal of ensuring an efficient, safe and multi-modal statewide transportation system.

http://www.gaconcrete.org/
The Georgia Ready Mixed Concrete Association (GRMCA) exists in order to help the Georgia ready mix industry be safe, compliant and prosperous. They promote the use of, and market for, ready mixed concrete, educate the public, government agencies, and the construction community on the uses and benefits of concrete.

http://gcaa.org/
Georgia Construction Aggregate Association (GCAA) encourages the highest ethical standards in all matters pertaining to the construction aggregates industry.

http://www.guca.com/
Georgia Utility Contractors Association (GUCA) is a construction trade association representing contractors who install or rehabilitate new and existing underground utility systems. GUCA has been in business for more than 40 years. The goal of the association is to be the voice of the underground utility construction industry while providing exclusive benefits for members.

https://openstates.org/ga/
Open States aggregates legislative information from all 50 states, Washington, D.C., and Puerto Rico. This information is then standardized, cleaned, and published to the public via OpenStates.org, a powerful API, and bulk downloads. OpenStates.org enables individuals to find out who represents them, look up information on an important bill that’s been in the news, discover how their representatives are voting, or just stay current with what is happening in their capital.