Leading People and Companies in the Post-Tensioning Industry

Three companies dominate the PT strand market, although there are other smaller manufacturers. The leading companies have extensive information on their web sites:

Suncoast Post-Tension is the largest manufacturer of PT strand—their web site has lots of good information.
VSL was purchased a few years ago by Structural Group. There is an excellent tool on their web site for selecting the right PT system
DSI is a German manufacturer; they also have a good basic description of PT (PDF).

Other leading figures in the PT industry include:

Ted Neff, is the executive director of the Post-Tensioning Institute.
Pawan Gupta, is the technical director of PTI.
Jim Rogers, is the former technical director of PTI who is now publisher and editor of Post-Tension Magazine.
Ken Bondy is an engineer who has been designing PT structures for over 40 years; he wrote an excellent history of the industry (PDF) in Concrete Construction in December 2001.
Larry Stadler, president of Suncoast Post-Tension is an energetic promoter of PT
Bijan Aalami, is a professor at San Francisco State and a lifetime member of PTI.
Vector Corrosion Technologies acquired Calgary-based Post-Tech Construction Technologies in 2006. Post-Tech has extensive experience in corrosion testing and repair services for post-tensioned concrete structures.
Precision Sure-Lock makes post-tensioning wedges, anchors, pumps and rams, tools, accessories and equipment.