THELEN ASSOCIATES, INC. (THELEN) was established in 1971, to provide a local service to the Greater Cincinnati Area. The firm has since grown to become a regional service provider to all of Kentucky, Ohio, Indiana and the Midwest. THELEN specializes as Geotechnical-Testing Engineers and as Construction Materials Testing Laboratories. Headquartered in Erlanger (Boone County), Kentucky, THELEN emplo
ys over 100 employees including geotechnical engineers, geologists, field and laboratory technicians, drillers, and support staff personnel. Branch offices are located in Lexington, Kentucky, Cincinnati and Dayton, Ohio. THELEN projects include Commercial, Residential and Industrial Developments, Institutional Buildings/Complexes, Transportation, Levees/Dams (FEMA), Public Utilities, Landfills (AML) and Major Sports Facilities. As Geotechnical Engineers, we perform subsurface explorations for building sites, pipelines, landslides, highways, AML reclamation sites, tunnels, dams and other earth-bearing structures. We provide a complete service beginning with exploratory test drilling, drilling supervision, field and laboratory testing, engineering analyses; and ending with a specific and comprehensive engineering report. As Construction Materials Testing Laboratories and Testing Engineers, we perform field and laboratory testing and field review of soils, concrete, asphalt, steel, fireproofing and roofing installations. These services are performed by our engineering staff and a wide range of certified engineering technicians. In-House Drilling Operations (10 rigs) and Accredited Soil Mechanics and Materials Testing Laboratories allows us to better serve our clients. THELEN’s Mission is to provide geotechnical engineering, consulting services and related drilling and materials testing to our Clients using innovative techniques through a team effort. We pride ourselves with our personal interest in every project and our concern for providing the Owner with quality service, which results in economical design data for the Engineer or Architect, and practical construction techniques for the Contractor. While trying to maintain this position, we stand firm on our integrity; the foundation of our business.