News and Events

Highly-Reputable Companies Change Names to Terracon

posted 02.06.2013

OLATHE, Kan. — ESA Energy Systems Associates, Inc., Nodarse & Associates, Inc., and NTL Engineering & Geoscience officially changed their names to Terracon Consultants, Inc. on January 1, 2013. Terracon is one of the nation’s largest employee-owned engineering consulting firms with headquarters in Olathe, Kan.

All three companies, who Terracon acquired since 2008, will now operate as Terracon.

“We are excited these three companies are part of Terracon,” said David Gaboury, P.E., president and CEO of Terracon. “They each bring unique talents and capabilities that provide added value to our employees and clients.”

ESA Energy Systems Associates, Inc.

ESA is based in Round Rock, Texas, and joined Terracon in May 2010. As Terracon, they will continue to offer energy management and mechanical, electrical and plumbing (MEP) design services.

Since its establishment in 1982, ESA has provided professional services for more than 500 facilities nationwide. Most of the firm’s design projects have been the direct result of Investment Grade Energy Audits. ESA is also heavily involved in energy management consulting and commissioning for schools, hospitals, commercial and industrial clients.

James Brown, P.E., president of ESA, will continue to serve as regional manager for Terracon’s Houston and Round Rock offices.

Nodarse & Associates, Inc.

Nodarse, headquartered in Winter Park, Fla., joined Terracon in April 2011. As Terracon, they will continue to offer environmental, geotechnical, construction materials engineering and testing and threshold inspection services.

Established in 1991, Nodarse offers specialized engineering services throughout Florida serving thousands of public and private sector clients. Nodarse has completed numerous high-profile projects including The Amway Center in Orlando, Nemours Children’s Hospital in Orlando, Signature Place in Tampa, Miami Multimodal Center and I-10/I-95 Interchange in Jacksonville.

Leila Nodarse, P.E., served as president of Nodarse and will continue to serve as senior client development manager for the entire state of Florida.

NTL Engineering & Geoscience

Based in Great Falls, Mont., NTL joined Terracon in November 2008. As Terracon, they will continue to offer geotechnical, environmental and construction materials services.

Since its establishment in 1991, NTL offers professional engineering services throughout Montana and the Northwest U.S. NTL serves a number of public and private sector clients. Sector clients include agribusiness, commercial, government, industrial, power generation and transmission, medical and telecommunications.

Gary Quinn, P.E., who served as NTL’s president and senior geotechnical engineer, will continue to serve as office manager for Terracon’s Great Falls office.

Terracon is an employee-owned engineering consulting firm with more than 2,800 employees providing geotechnical, environmental, construction materials and facilities services from more than 130 offices in 39 states nationwide. Terracon currently ranks 39th on Engineering News-Record’s List of Top 500 Design Firms. For additional information about Terracon, please visit