All American Geotech Inc

George Design & Engineering Inc (GDE) is a privately owned consulting engineering firm located in Chantilly, Virginia, established in 2005 and managed by Mohamad Abu Kassem, PE, who brings 25 years of industry experience. The firm specializes in geotechnical, environmental, and structural design, as well as construction materials testing and inspection services throughout the Washington, D.C. metro area. GDE offers a comprehensive range of services including foundation system analysis, soil stabilization, environmental site assessments, and forensic failure investigations. Their expertise extends to various aspects of construction testing and inspection, ensuring quality and compliance in all projects undertaken. Generated from the website

Hillis-Carnes Engineering Associates is a consulting engineering firm that provides geotechnical and environmental and drilling services for private and public sector clients in the mid-Atlantic. Founded in 1989, the firm offers maintains offices in Maryland, Virginia, Pennsylvania and Delaware. It undertakes projects for the transportation, industrial, residential, sports, maritime, commercial and institutional industries. Hillis-Carnes Engineering Associates provides embankment, slope stability, retaining wall and soil stabilization design services. It also offers quality control inspection services for the construction industry. Hillis-Carnes Engineering Associates additionally offers forensic engineering, subsurface exploration and drilling services. The firm has undertaken projects for Kent County Courthouse and Manchester Valley High School.

Engineering Consulting Services, also known as ECS Corporate Services, is a group of six consulting firms specializing in the related fields of geotechnical, environmental and construction materials engineering. Founded in 1987, the six subsidiaries in the ECS group employ a staff of more than 1,000 people, including registered professional engineers and geologists, certified laboratory technicians and construction inspectors, field engineers and support personnel. Based in Chantilly, Va., ECS operates full-service branch offices in the Eastern, Midwest and Southern United States, ranging from Pennsylvania to Illinois and from Texas to Florida. The company s corporate office is located in Washington, D.C. Engineering Consulting Services is a privately owned company and employs nearly 250 people at its headquarters in Chantilly.