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50+ Years
experience
Expert Geotechnical Engineering in Madison, WI
Established in 1966, Soils & Engineering Services, Inc. has built a reputation as a trusted leader in geotechnical and environmental engineering. Our team of certified professionals brings decades of combined experience to every project, specializing in geotechnical investigations, environmental drilling, and comprehensive materials testing. We pride ourselves on delivering precise engineering analyses and innovative solutions tailored to complex subsurface conditions. Our AASHTO-certified laboratory and state-of-the-art equipment ensure accurate data collection and interpretation for infrastructure, commercial developments, and environmental remediation projects. With eight specialized drilling rigs and a commitment to sustainability through solar-powered operations, we serve government agencies, architects, and private developers across Wisconsin and beyond.

Our long-standing client relationships, some spanning over 45 years, reflect our dedication to technical excellence and client satisfaction. From foundation recommendations to seismic site classifications, we provide actionable insights grounded in rigorous fieldwork and laboratory analysis. Our expertise extends to pavement design, groundwater monitoring, and geotechnical instrumentation installation, supporting projects ranging from airport runways to university campuses. As an industry pioneer, we continue to invest in advanced technologies while maintaining the personalized service that has defined our approach since our founding.
Services
Engineering Drilling Testing Environmental Services Materials Testing Foundation Analysis Pavement Design Groundwater Monitoring Geotechnical Instrumentation Seismic Assessments
Details
  • Year established: 1966
Highlights and features
  • 50+ years of geotechnical engineering expertise in Wisconsin
  • AASHTO-certified laboratory for precise materials testing
  • Solar-powered operations demonstrating environmental commitment
  • Eight specialized drilling rigs for diverse project requirements
  • Long-term client relationships with government and private sectors
Associations and certifications
  • AASHTO
  • WisDOT
Services
Geotechnical Engineering
Our geotechnical engineering services include foundation recommendations, subsurface exploration, and soil parameter analysis. We evaluate shallow and deep foundation options using LRFD methodologies and provide settlement calculations. Our team conducts seismic site classifications and retaining wall analyses for commercial, industrial, and infrastructure projects.
Environmental Drilling
We specialize in environmental drilling for groundwater monitoring and contamination assessment. Our services include installing monitoring wells, piezometers, and lysimeters using direct-push and hollow-stem auger methods. We perform slug testing and permeability analysis to evaluate subsurface conditions and environmental impact.
Materials Testing
Our AASHTO-certified laboratory conducts comprehensive materials testing for soils, aggregates, concrete, and asphalt. We perform Proctor tests, Atterberg limits, and California Bearing Ratio analysis. Field testing includes nuclear density gauges and pavement coring to ensure construction quality compliance.
Drilling Services
We offer geotechnical and environmental drilling with capabilities up to 320 feet depth. Our fleet includes hollow-stem augers, air rotary systems, and direct-push samplers. We collect Shelby tube samples and perform split-barrel sampling for soil analysis and foundation design.
Pavement Design
Our pavement design services include subgrade evaluation, life cycle cost analysis, and material testing. We assess soil bearing capacity and perform pressuremeter testing to develop durable pavement solutions for roadways, airport runways, and industrial facilities.
Questions
What geotechnical services do you offer?
We provide foundation analysis, subsurface exploration, pavement design, and seismic site classifications using advanced drilling and testing methods.
Are your laboratory testing services certified?
Yes, our laboratory holds AASHTO certification and WisDOT approval for soil, concrete, and asphalt testing.
What types of drilling equipment do you use?
We operate eight specialized rigs including hollow-stem augers, air rotary systems, and direct-push samplers for diverse geological conditions.
Do you handle environmental monitoring projects?
Yes, we install monitoring wells and perform groundwater permeability testing for environmental assessment and remediation projects.
What construction materials do you test?
We test soils, aggregates, concrete, asphalt, masonry units, and pavement materials using standardized laboratory procedures.
How do you support infrastructure projects?
We provide geotechnical analyses, foundation recommendations, and quality assurance testing for roads, bridges, and airport facilities.