- DWG Associates - Design engineering, field services, and software for wastewater and water treatment plant engineers and owners; specializing in processes using oxygen or ozone gas, located in Marietta, Georgia.
www.dwgassociates.com
- John B. Wilcox and Associates, Inc. - Offers nationwide consulting services in the areas of air quality compliance, permitting, air pollution control, municipal and medical waste management, incineration and thermal treatment, located in Marietta, Georgia.
home.interserv.com/~jbwilcox/hpg1.htm
- Remtech Engineers - Specializes in soil and groundwater site remediation engineering, contracting, and equipment manufacturing with over 25 years experience on over 2,000 cleanups, located in Marietta, Georgia.
www.remtech-eng.com
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