Letterle provides high quality, reliable environmental contracting, cleanup equipment, and filed services. We strive to exceed expectations in providing cost-effective solutions and innovative equipment uniquely suited to your environmental challenge.

Letterle is the source for your environmental contracting needs. We do it all, drilling, field services, remediation trailer rental and customized remediation systems designed for your project. Our staff has the skills and the experience to get the dirty work done.

Groundwater Monitoring and Recovery Well Installations

  • Well installation and construction
  • Nested well installations
  • Low and restricted access drilling
  • Piezometer wells for discrete groundwater profiling
  • Vapor monitoring point wells

Soil Boring and Sampling

  • Systematic random soil sampling
  • Split-spoon soil sampling
  • Continuous direct push soil sampling

Air Vacuum Excavation

  • Underground utility clearance for soil borings and trenching
  • Catch basin cleanout
  • Manway, well vault, and valve box cleaning