Contractors State License Board ( - CA state agency is part of the Department of the Consumer Affairs and regulates contractors of 43 different classifications that constitute the construction industry

American Institute of Architects ( - AIA represents the professional interests of America's architects.

The American Design Drafting Association ( an international non-profit, professional membership and educational organization.

ACCE-The American Council for Construction Education ( is a leading global advocate of quality construction education programs which promotes, supports, and accredits quality construction education programs

The Associated Schools of Construction ( is the professional association for the development and advancement of construction education, where the sharing of ideas and knowledge inspires, guides and promotes excellence in curricula, teaching, research and service.

U.S. Green Building Council ( is a non-profit trade organization that promotes sustainability in how buildings are designed, built, and operated. USGBC is best known for the development of the Leadership in Energy and Environmental Design (LEED) green building rating systems.

The Blue Book Building and Construction Network ( Construction database of general contractors, architects, engineers, sub-contractors, material and equipment suppliers and manufacturers.

Building Owners and Managers Association International ( BOMA International is a primary source of information on building management and operations, development, leasing, building operating costs, energy consumption patterns, local and national building codes, legislation, occupancy statistics, technological developments and other industry trends.

The Associated General Contractors of America ( A full service national trade association with a nationwide network of exceptional chapters, AGC represents more than 30,000 leading firms in the industry - including general contractors, specialty contractors and service providers and suppliers.