Jacobi, Toombs & Lanz, Inc. is a mid-sized consulting engineering and surveying firm specializing in the planning, design and construction inspection of various project types. Our areas of expertise include:

  • Sanitary Sewer Collection and Treatment Systems, Combined Sewer Overflow (CSO) Control
  • Stormwater & Drainage
  • Roads, Streets & Bridges
  • Supply, Treatment and Distribution Systems for Potable Water
  • Airports
  • Solid Waste Transfer and Disposal Sites
  • Residential, Commercial, Industrial and Institutional Sites
  • Land Surveying, GIS and GPS
  • Parks and Recreation
  • Infrastructure and Building Application Permit Review Support Services

Since 1955, Jacobi, Toombs & Lanz has offered professional engineering services to a wide variety of governmental, commercial, private development, utility, industrial and institutional clients in the Kentucky and Southern Indiana areas. In 1999, JTL became a certified MBE and DBE with several municipal agencies and organizations. We are registered as a MBE with the City of Indianapolis and DBE with the Indiana Department of Transportation. We are also a certified DBE with the Kentucky Transportation Cabinet and MBE with the Tri-State Minority Supplier Development Council, Louisville Metro Government, and Louisville Metropolitan Sewer District.

Every project awarded to our firm receives special attention, and is developed with technical excellence and client satisfaction. JTL makes every attempt to design projects with social and environmental harmony, thereby mitigating impact on the project’s surroundings.

JTL’s excellence in engineering has been recognized in publications like Government Engineering, MSD DiverseWorks, Business First and Hispanic Business.