(Past and Present)

• General Building Contractors Association (GBCA)
• The Associated General Contractors of America (AGC)
• Construction Financial Management Association
• American Society of Professional Estimators
• American Society of Plumbing Engineers
• American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE)
• The Institute of Electrical and Electronics Engineers (IEEE)
• The National Fire Protection Association (NFPA)
• International Code Council
• NRA Endowment