From a humble sole proprietorship that began in 1955 to becoming a mid-sized firm with four offices across two states, JACOBI, TOOMBS AND LANZ strives to operate in the best long-term interests of our clients and employees, to be an active member of the communities in which we live and work, and to aim for the highest in technical excellence. We understand the importance of developing a great team and providing value to both our clients and our shareholders.

We specialize in Civil Engineering and Land Surveying services and are proud of our work on much of the infrastructure in the Southern Indiana and Louisville region. Our team of Licensed Professional Engineers and Surveyors, Registered Landscape Architects and Certified Building Officials take pride in the client relationships we’ve built and maintained over the history of our firm and endeavors to provide a return on the valuable investment our clients make in us. Backed by a highly skilled and experienced support staff, we approach our work with a detailed recognition of the unique requirements each project brings and strive to perform our daily processes with a systematic approach in an environment that encourages teamwork and communication.

With a diverse portfolio of both public and private clients and projects, we’ve had continued, long-term success in the following areas:

· Water Resources

· Transportation

· Site/Civil

· Construction Services

· Building Services

· Land Surveying

For over 65 years, JACOBI, TOOMBS & LANZ has helped create opportunities by listening to our communities and partners, by helping to explore and identify innovative solutions, and by being trusted advisors for our clients throughout the process. We want to make a positive impact on the world around us and continue to focus on the things that have gotten us to this point, while always looking for ways to improve and make a positive difference.

We’re guided by Integrity, Community and Trust.

Our Company Is Built On Integrity, Community & Trust.
We Want To Help You Succeed

Our Clients

“Mike and the JTL staff have been great to work with as we work thru our Capital Improvement Projects. Mike has made himself available to me to answer what some might believe are the most mundane questions, but are important to the success of our operation. They have helped us whenever we called upon and have become an important part of our team.”

Kevin H. Gibson, C.E.T., P.A.C.P., U.M.P. Project Manager
Municipal & Commercial Business

Grant Line Road Fall Run Culvert
New Albany, IN