ACI: American Concrete Institute – Advancing concrete knowledge www.aci-int.net 

AISC: American Institute of Steel Construction – Commitment to excellence in steel design and construction.
www.aisc.org 

ASCE: American Society of Civil Engineers – Affiliated Internationally, Nationally, Statewide and regionally to position engineers as global leaders building a better quality of life. www.asce.org 

NSPE: National Society of Professional Engineers – The standard by which engineering is defined. www.nspe.org 

SEAOK: Structural Engineers Association of Kentucky – “improve personal safety and economic security” www.seaok.org 

SEI: Structural Engineering Institute – Promoting research, education, design, testing, manufacturing, construction and operations in the structural engineering profession. www.seinstitute.org 

USGBC: U.S. Green Building Council and LEED Leadership in Energy and Environmental Design – To transform the built environment to sustainability by providing the building industry with consistent, credible standards... www.usgbc.org