Ronald Chilton

National Trench Safety LLC sells trench and traffic safety equipment. It products include truck mounted attenuators, barrels, grabber cones, traffic roll up signs, message boards, and construction signs. The company was founded by Ronald Wayne Chilton, Shelly Bangerter, Thomas H. Hartman and LaRue Wesley Jones in January 2004 and is headquartered in Houston, TX.

Stonebridge Partners LLC (Stonebridge Partners) is a private equity firm founded in 1986. The firm is headquartered in White Plains, New York.

NTS Holdings, Inc. provides trench safety solutions for underground maintenance and construction activities. The company was founded in 2010 and is headquartered in Lubbock, TX.

National Equipment Services, Inc. rents general and specialty equipment to industrial and construction end-users. The Company rents different types of machinery and equipment and distributes new equipment for nationally recognized original equipment manufacturers. The Company also sells used equipment as well as complementary parts, supplies and merchandise and provides repair and maintenance services to its customers

Coltec Industries, Inc. manufactures aerospace and defense products. The firm provides landing gear systems and aircraft flight controls, turbine components and compressor rotating parts primarily for aircraft gas turbine engines. It also offers seals, gaskets material, and truck products; marketing parts for fairbanks morse diesel engines and accessories. The company was founded in 1911 and is headquartered in Charlotte, NC.

Part of Bartronics India Ltd., Software Research Group, Inc. provides information technology services. The company is based in Iselin, NJ. The CEO of the company is Michael M. Salerno. Software Research Group was acquired by Bartronics India Ltd. on January 29, 2008.

Smith International, Inc. provides premium products and services used for the drilling, completion and production phases of oil and natural gas development activities. It has three operating divisions, namely M-I SWACO, Smith Oilfield and Distribution. Company was founded in 1902 and is headquartered in Houston, TX.