History of TTL

Established in 1927 as Toledo Testing Laboratory, TTL Associates, Inc., re-established itself as a premier, full-service environmental, testing, and geotechnical engineering firm with "in-house," certified laboratories and drilling services in 2003 under the leadership of Thomas R. Uhler, P.E., President & CEO.  Throughout the 81 year history of providing environmental, testing and geotechnical services to both public and private entities throughout the United States and the world, TTL has provided the following services:

  • Environmental Services
  • Testing & Inspections
  • Geotechnical Engineering
  • Probing & Drilling Services
  • Construction Material Quality Testing Laboratory

A Service-Disabled Veteran Owned Small Business

Professional Expertise

  • Industrial Hygienists
  • Professional Registered Engineers
  • Geologists
  • Environmental Biologists
  • Certified AHERA Building Inspectors & Management Planners
  • Certified Asbestos Hazard Evaluation Specialists
  • Certified Lead-based Paint Inspectors & Risk Assessors
  • Certified Roof Inspectors
  • Certified Mold Inspectors
  • Environmental Scientists & Technicians
  • Drilling Experts
  • Geotechnical Engineers
  • Safety & Health Trainers

Laboratory

  • Certified Independent Construction Laboratory for Quality Construction Material Testing Services
  • Certified Asbestos Testing Laboratory

Our Clients

  • Commercial - Retail, Banks, Gas Stations, Restaurants, Entertainment, Arenas, Convention Centers
  • Industrial - Manufacturing Facilities, Recycling Facilities
  • Educational - Child Development Centers, Elementary, Middle, High Schools, Colleges & Universities
  • Professionals - Architects, Engineers, Construction Managers, General Contractors, Design & Build, and Developers
  • Government - Villages, Cities, Townships, County, State & Federal Agencies

Quality

TTL’s Management Team is “hands-on,” involved with your project from beginning to end, and are available to answer questions at any time.  Our team strives to be responsive, honest and committed to providing you with experience, manpower, resources and the equipment needed for a successful project.  Call Us!

environmental     testing     geotechnical engineering

Quality, Integrity & Commitment since 1927