United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia. We specialize in environme ... ntal services, geotechnical engineering, geophysical services, subsurface utility engineering, materials testing, and special inspections services. We are a City of Atlanta-certified Small Business Enterprise (SBE), licensed and registered in 35 states, with offices in Georgia, Alabama, and California. United Consulting holds an active GDOT Notice of Professional Consultant Qualification. We are prequalified in the following Area Classes: 1.06e Ecology, 5.08 Subsurface Utility Engineering, the entire 6. Soils, Foundation & Materials Testing Area Class Group, 8.01 Construction Supervision, and 9.03 Field Inspection for Compliance of Erosion and Sedimentation Control Devise Installations. The United Consulting Geotechnical Laboratory occupies approximately 10,000 square feet of space in our Norcross, Georgia headquarters. The laboratory is fully equipped to perform a wide variety of tests on disturbed and undisturbed samples. Our USACE-certified lab is also certified by American Association of State Highway Transportation Officials (AASHTO) under the AASHTO Materials Reference Laboratory (AMRL) the Concrete and Cement Reference Laboratory (CCRL) as an R-18 Laboratory. read more