Earth Engineering Incorporated (EEI) is a full-service Geotechnical/GeoEnvironmental engineering consulting firm that offers subsurface site investigation, foundation design, geostructural design, and environmental services. Located locally in the Rossmoyne Business Center in Mechnicsburg, we offer our services throughout Central Pennsylvania.  Our Corporate Headquarters is in East Norriton and we have been in business since 1990 serving our clients.  

The services provided by EEI include Geotechnical Investigations, Construction Inspection and Testing, Sinkhole Consulting, Geotechnical Design, Environmental Services, Infiltration Testing and Soil Labortory Testing. 

"At EEI, we combine quality consulting and investigative work with on-time, on-budget performance. We keep your project moving – it’s who we are. We’re committed to providing our clients with the higher level of service and experience they’ve come to expect from EEI." - Ward McMasters, P.E. President