Meet The Team
David D. McCray
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EXPERIENCE
45 Years experience in Geotechnical and Environmental drilling and testing services. Includes; Dams, Airports, Railroads, Ports, Industrial, Landfills, Government and Superfund projects.

LICENSE
Licensed driller in; Tennessee, Mississippi, Arkansas, Missouri, Oklahoma, Louisiana, and Texas

Memberships
National Drilling Association
Association of Groundwater Scientist and Engineers
American Society for Testing and Materials
National Ground Water Association
Shelby County Ground Water Control Board Past Chairman
Shelby County Ground Water Control Board Member
40 Hour OSHA Certified
Tammy K. Dunn
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EXPERIENCE
18 plus years experience as Office Manager.

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Robert G. Baker

EXPERIENCE
36 Years experience in Geotechnical and Environmental drilling and testing services. Includes; Dams, Airports, Railroads, Ports, Industrial, Landfills, Government and Superfund projects.

LICENSE
Licensed driller in; Tennessee, Mississippi, and Arkansas

Memberships
National Drilling Association
Association of Groundwater Scientist and Engineers
American Society for Testing and Materials
National Ground Water Association
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Certificates
40 Hour OSHA Certified
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Johnathan Brown

EXPERIENCE
5 Years experience in Geotechnical and Environmental drilling and testing services. Includes: Dams, Airports, Railroads, Ports, Industrial, Landfills, Government and Superfund projects.
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Certificates
40 Hour OSHA Certified, eRail Certified.
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Ryan Freeman
Experience:
7 years experience in Geotechnical and Environmental drilling and testing services. Includes: dams, Airports, Railroads, Ports, Industrial, Landfills, Government and
Superfund Projects.
Certificates: 40 Hour OSHA certified, erail Certified
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