TLF is a forty person engineering firm located on the northwest side of Indianapolis, Indiana, that specializes in Project Management, Structural Engineering, Site Development, Civil Engineering, Landscape Architecture, Industrial Facility Design and Engineering Investigations. TLF, formerly known as Ter Horst, Lamson and Fisk, Inc., provides professional services to Owners, Contractors and other Design Professionals and has established a reputation for high quality and innovative engineering. We are committed to excellence for all our projects regardless of size. Founded in 1991, our firm remains committed to total client satisfaction and the successes we have achieved for our clients have invariably caused them to select us for subsequent projects.