AAASHTO: American Association of State Highway and Transportation Officials -  (http://www.transportation.org/)

ADSC-The International Association of Foundation Drilling -  (http://www.adsc-iafd.com/)

American Concrete Institute -  (https://concrete.org/)

American Society of Civil Engineers - (https://www.asce.org/)

ASCE GeoInstitute -  (https://geoinstitute.org/)

Associated Builders & Contractors - ( www.abc.org )

Associated General Contractors of America – (www.agc.org)

ASTM International - (http://www.astm.org/)

Bipartisan Policy Center - (https://bipartisanpolicy.org/)

Brookings Institution - (www.brookings.edu)

Bureau of Labor Statistics - (www.bls.gov)

Bureau of Labor Statistics - Producer Price Index (PPI) - (www.bls.gov/ppi)

Deep Foundations Institute -  (http://dfi.org/)

Design Build Institute of America -  (https://dbia.org/)

Engineering News Record – ( www.enr.com )

Federal Reserve Bank -  (www.research.stlouisfed.org/publications)

FHWA Bridges and Structures -  (https://www.fhwa.dot.gov/bridge/)

FHWA Geotechnical Engineering -  (http://www.fhwa.dot.gov/engineering/geotech/)

FHWA Research Resources – (www.highways.dot.gov/research/research-resources)

Harvard Business Review – (www.hbr.org)

Institution of Civil Engineers -  (https://www.ice.org.uk/)

International Society for Micropiles -  (http://ismicropiles.org/)

International Society for Soil Mechanics and Geotechnical Engineering  - (https://www.issmge.org/)

MIT Sloan Management Review – (www.sloanreview.mit.edu)

McKinsey Global Institute - (www.mckinsey.com/mgi)

National Highway Institute - (www.nhi.fhwa.dot.gov)

Project Management Institute -  (https://www.pmi.org/)

Risk Management Society - (https://www.rims.org/)

Strategic Highway Research Program 2 -  (http://www.trb.org/StrategicHighwayResearchProgram2SHRP2/)

Transportation Research Board  - (https://www.nationalacademies.org/trb/transportation-research-board)

U.S. Department of Defense, Unified Facilities Criteria Program  - (www.wbdg.org/ffc/dod)

U.S. Department of Labor - Occupational Safety and Health Administration - (https://www.osha.gov/)

U.S. Department of Transportation -  (https://www.transportation.gov/)

World Bank - (www.worldbank.org)