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 and GIS
• Parks and Recreation

Since 1955, Jacobi, Toombs & Lanz has offered professional engineering services to a wide variety of governmental, commecial, industrial and institutional clients in the Greater Louisville and Southern Indiana areas. Our firm currently supports locations in Indiana and Kentucky, and is certified as a Minority Business Enterprise (MBE) and Disadvantaged Business Enterprise (DBE) by the States of Indiana and Kentucky; MBE by the City of Indianapois; the Louisville and Jefferson County Human Relations Commission; the Indiana Business Development Council (IBDC); and the Kentucky Minority Business Council (KMBC).

Every project awarded to our firm recieves 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 recently in publicaitons like Government Engineering and MSD DiverseWorks.