Parker Leigh Environmental

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.

Since 1974, Trinity Consultants has assisted industrial facilities throughout the United States with environmental issues. The company provides regulatory compliance consulting to meet the changing regulatory compliance requirements of clients. Its regulatory compliance services include air permitting, air dispersion modeling and compliance auditing. Trinity Consultants also provides environmental management services related to compliance management, ISO 14001 compliance and emissions trading. It markets BREEZE air dispersion and explosion modeling software and teaches training courses on environmental issues.