Jon Peltier is a very well known consultant in the Excel community. He has a large collection of tips and tricks for making some charts that you would have never thought Excel could do. Very handy for any scientist or engineer.
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Geo Photo Album
A very nice collection of photos of geotechnical failures, geotechnical construction projects and methods. Put together by Ross W. Boulanger at UC Davis and James Michael Duncan from Virginia Tech, Blacksburg. Visit Geo Photo Album
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Brierley Associates
Geotechnical and tunnel design consultant with offices in Colorado, New York, Texas and Massachusetts. Visit Brierley Associates
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ChemGrout
ChemGrout offers the world’s widest selection of grouting equipment. Applications include heavy construction, building construction, restoration and repair, highways, bridges, mining, tunneling, geothermal and soil stabilization. Making grouting profitable for over 25 years. Visit ChemGrout