David Porterfield
Acting General Manager at Keystone Certification
Based in Chesapeake, United States
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Seniority
Manager
Department
General Business & Management
Location
Chesapeake
Industry
Environmental Services
Company size
8
Contact information
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d•••••••@keystonect.com
Phone
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Background
About David Porterfield
With over 20 years of graphic design and management experience, David Porterfield is a…
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