C1S Group Inc

Terracon is a leading provider of geotechnical, environmental, construction and other related services. The company s geotechnical services include subsurface exploration and testing, foundation analysis and design, in-situ testing and performance monitoring, earth structures and retention systems, dynamic analysis and evaluations, soil stabilization and ground improvements, ground water control solutions and pavement designs. Environmental services include site assessments and investigations, remedial designs and implementations, wetlands delineation and mitigation services, industrial hygiene and indoor air quality solutions, regulatory compliance services, environmental management systems and solid waste planning. Construction services include on-site observation and monitoring programs, quality control and assurance programs, field and laboratory testing, material selection consulting, forensic investigations and construction management services. Terracon is headquartered in Lenexa, Kan., and has opertions in Dallas.

Established in 1957, Purdy-McGuire Inc. is a consulting engineering firm. Based in Dallas, Texas, the company offers a wide range of services, such as plumbing, fire protection, electrical design, thermal storage, life cycle cost analysis, maintenance consultation, site selection evaluation, Heating, Ventilating and Air Conditioning (HVAC) among others. It has completed various projects on the lines of higher education, office buildings, municipal, restaurant, retail, medical and many more. Purdy-McGuire Inc. is affiliated with the National Society of Professional Engineers, Society for Design Administration (SDA), National Association of Women Business Owners (NAWBO), etc.

The Society of Petroleum Engineers, also known as SPE, is a nonprofit professional association whose members are engaged in energy resources development and production. It collects and disseminates technical knowledge concerning the exploration, development and production of oil and gas resources. The association serves more than 65,000 members in over 100 countries worldwide. It also offers certified petroleum engineering programs. Additionally, the association publishes magazines and journals. Its online book store provides reading materials related to drilling, geology, reservoir engineering, production operations and information technology. The Society of Petroleum Engineers, with a location in Richardson, Texas, also operates offices in Asia, Russia and Europe.