IBC 2015 or current State codes
ASCE 7 Current ED
National Design Specification (NDS) wood design
American Institute of Steel Construction (AISC)
American Concrete Institute (ACI)
Precast Concrete Institute (PCI)
ASABE Standards
NRCS Standards

AASHTO Standards for Highway Signs and Light Poles
American Welding Society (AWS)
Occupational Safety & Health Administration (OSHA) Design Standards
RAM Advanse Structural Software (by Bentley)
AutoCad Latest Edition Subscription by Autodesk
In-House Fabric Building Design Software

In-House Building Design Spreadsheets

In-House Solar Panel Foundation Spreadsheets

L-Pile Design Software 

HelixPile: Helical Pile Design Software

Light Pole Spreadsheets