Links   
ACI - American Concrete Institute
ACI_Texas- American Concrete Institute- Northeast Texas Chap.
AISI - American Iron and Steel Institute
AITC - American Institute of Timber Construction
ANSI - American National Standards Institute
ASCE - National Society of Professional Engineers
ASTM - American Society for Testing and Materials
BIA - Brick Institute of America
CASE - Council of American Structural Engineers
CPA - Composite Panel Association
CRSI - Concrete Reinforcing Steel Institute
DallasASCE - Dallas Society of Professional Engineers
DFI - Deep Foundations Institute
ICC - International Codes Council
LGSEA - Light Gauge Steel Engineers Association
METRIC Conversions
NCSBCS - National Conference of States on Building Codes and Standards, Inc.
NCSEA - National Council of Structural Engineering Associations
NSPE - National Society of Professional Engineers
SEAOT - Structural Engineering Association of Texas