CONTACT PERSON:
Dr. W. Allen Marr, P.E.
Chief Engineer
GeoTesting Express
1145 Massachusetts Ave.
Boxborough, MA 01719
Phone: (978) 635-0424 – (800) 434-1062
Fax: (978) 635-0266
E-mail: wam@geotest.com
For more information visit their home page.