Surveying & Engineering

Ronald Johnson & Associates is a prominent design firm established in February 1970 in Madisonville, Kentucky, recognized as one of the oldest firms in Western Kentucky with over 40 years of diverse experience in civil, environmental, and mining engineering, as well as safety engineering and surveying services. The firm prides itself on its responsive client commitment, appointing dedicated project managers and using state-of-the-art design tools to ensure high-quality outcomes tailored to each project's specific needs. As the city engineer for several cities, including Dawson Springs, Cadiz, and Greenville, Ronald Johnson & Associates also serves as the engineer for Hopkins County. With a focus on quality service and effective communication, the company's mission is to deliver timely projects that are completed within budget while maintaining strong relationships with its clients. Generated from the website

Landmark Engineering, Inc. (LEI) was founded October 1, 2004 by Thaddaeus J. Lucas, PE, PLS. Thad purchased an existing company by the name of Petty & Associates, Inc., which had been in business in the Bowling Green area since 1985