Engineering Tectonics
   Provides geotechnical engineering, construction services, drilling and environmental services.
   http://www.engineeringtectonics.com/

GeoConsult
   Petrographic service that provides geologists with detailed descriptions of rocks mineralogy, texture and alteration to help evaluate ore potential.
   http://www.consultgeo.com/

Other Worlds Educational Enterprises
   Instructional aides for the earth science classroom, Science Olympiad, and home schools.
   http://www.otherworlds-edu.com/