Among other things, they are the makers of various drilled shaft spacing products. They also sell helical anchors, soil screws, tieback anchors, underpinning solutions and more.
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Geotechnical Engineering Directory
Just what the name implies, a directory of geotechnical related websites. Visit Geotechnical Engineering Directory
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NDT Corporation
Based in Worcester, MA, NDT Corporation provides nondestructive testing services to assess the condition of bridges, tunnels, pipes, and concrete structures and geophysical testing to assess soil and bedrock foundations. Visit NDT Corporation
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ENR
Excellent news magazine for the civil engineering industry. Visit ENR