About NTL

In 1985, Robert Nelson created our laboratory as an independent construction materials testing laboratory in Schaumburg, Illinois. Known as Robert L. Nelson & Associates, we specialized in providing prompt, practical and reliable solutions to the complex testing needs of concrete and masonry clients. Providing experienced, yet personal service was a hallmark of Bob and the laboratory he created.

In 2004, Mark Nelson joined our laboratory as President and the name was changed to Nelson Testing Laboratories (NELSON). At that time, the company expanded independent testing capabilities related to construction product testing, including epoxies, grouts, waterproofing membranes, sealers, water repellents, joint sealants and exterior coatings. After Bob's death in 2008, Mark continued to expand NELSON to better service our clients' independent testing needs while consistently providing the personal and responsive service expected from our laboratory.

In 2012, Brian Petty joined our laboratory as Vice-President. As a long-time client of NELSON, Brian brought in decades of construction product knowledge allowing us to better support the testing needs of our clients. Moreover, Brian supports our laboratory growth with his unique ability to coordinate increased business performance through controlled expansion.

The future of NELSON will continue to be driven by the hallmark of our past, experienced and personal service for all of our clients. NELSON's growth will always be dictated by the testing needs of our clients. National and local laboratory accreditations, technician training, industry participation and support are all minimum demands placed upon an independent construction materials laboratory. What will always set NELSON apart is our commitment to support our clients, our profession and our industry as a whole.