Systems Audits

We perform internal and external compliance and conformance audits, ISO 31000 organizational risk assessments and internal control reviews, ISO 14001 environmental management system audits, emissions inventories, regulatory reporting and permitting for NEPA, RCRA, and CERCLA projects.


Oak Services, LLC

2205 West 136th Ave. Ste 106-140

Broomfield, CO 80023


Catherine Drumheller

QEP Principal, President

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