John D. Spengler

John D. Spengler

Founder at Environmental Health & Engineering, Inc.

Commercial Services

John D. Spengler active positions

CompaniesPositionStartEnd
Founder 2010-04-26 -
Corporate Officer/Principal 1987-12-31 2010-04-26

Career history of John D. Spengler

Statistics

International

United States 2

Operational

Founder 1
Corporate Officer/Principal 1

Sectoral

Commercial Services 2

Positions held

Active

Inactive

Listed companies

Private companies

Linked companies

Private companies1

Commercial Services

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