AREAS OF EXPERTISE
■ Solid and Hazardous Waste Management/Remediation
■ Dredging Operations and Dredged Material Management/Treatment
■ Soil and Groundwater Investigation/Remediation
■ Wetlands Construction and Restoration
■ RCRA, CERCLA, NEPA Environmental Compliance
■ Remedial Design and Construction
■ Solidification/Stabilization of Waste Materials
■ Water Resources Management
■ UST Management and Remediation
OA Systems Corporation (OAS) is a Small Disadvantaged Business Enterprise (SDB), Native American-owned
environmental science and engineering consulting firm based in Amarillo, Texas. OAS, an organization of highly qualified, experienced and technically diverse individuals, was established to provide a wide range of professional consulting,
engineering, administration, and field services.
• Engineering ° Environmental ° Civil ° Coastal ° Hydraulic ° Water Resource ° Chemical ° Mechanical
• Industrial Hygiene
• Wildlife Biology
• Environmental Science
• Health and Safety
Native American Owned
1999 District Minority Small Business of the Yea
ConverseAC is a highly respected HVAC firm in San Antonio, TX. The firm has a solid reputation of quality workmanship that is backed by warranties. They are fully accredited by BBB and ACCA. The firm