Liquid Stone: New Architecture in Concrete The online version of the National Building Museum’s exhibit running through January 2006 featuring innovative contemporary projects, products, and technologies.

American Concrete Pavement Association

American Association of State Highway Officials

American Concrete Institute

American Institute of Architects

American Society of Civil Engineers

archINFORM an international architecture database including over 13000 built and unrealized projects from various architects and planners.

Architectural Record Magazine's Project Portfolio

Architecture Week Magazine

Building Construction and Design Magazine

Chicago Architecture Foundation

Civil Engineering Magazine

Concrete Products Magazine

Design Build Institute

Engineering News Record Magazine

Environmental Council of Concrete Organizations

Federal Highway Administration

Great Buildings Online

National Concrete Bridge Council

New Urbanism

Portland Cement Association

National Building Museum focuses on architecture, design, urban planning, engineering, and construction.

Slag Cement Association

The Transportation Research Board

US Green Building Council information about the LEED (Leadership in Energy and Environmental Design) standards for developing high-performance, sustainable buildings.

American Coal Ash Association

Fly Ash Resource Center