PPI is a Consulting Engineering Firm that specializes in Geotechnical Engineering, Subsurface Drilling, Construction Materials Testing, and Environmental Services.  PPI was founded as a Missouri Corporation in 1989 in Springfield, Missouri, and is still headquartered there today.  PPI maintains satellite Offices with Laboratory Facilities in Branson, Missouri, Joplin, Missouri, and Tulsa, Oklahoma.

Our staff serves a wide variety of Clients in the public and private sectors.  PPI’s resources include over 50 full-time employees, full-service testing laboratories certified by the USACE and AASHTO, and a drilling fleet that includes 10 drill rigs and extensive tooling.

PPI is managed by a six-person Board of Directors that was established in 2014.  Many of PPI’s Board Members also serve as Department Managers within the Company.  PPI prides ourselves in long-lasting Client relationships and high-quality service to our Clients.  We are always looking for ways we can reinvest in the Company to provide better service to our Clients and the communities in which we live and work.   Please contact us today if you have a Project Need or Question that PPI can help you solve .