Bryan Williams has 28 years of 
international experience working in the construction industry as a site engineer, construction surveyor, project supervisor and consultant. He has spent the last 14 years developing and marketing intelligent positioning solutions for the construction industry as part of the General Contractor/Construction Manager Division of Trimble Buildings Group. Call 800-850-2660 or visit trimble.com/
construction/layout_CG_contractors.aspx 
for more information.