International Organization for Standardization (ISO)


DNP is committed to highly effective and efficient operations through ISO-certified management system standards. 

ISO 9001: Quality Management

ISO 9001 is one of the most widely used management tools in the world. The requirements of this standard are based upon eight management principles:

  • Customer Focus
  • Leadership
  • Involvement of People
  • Process Approach
  • System Approach to Management
  • Continual Improvement
  • Factual Approach to Decision Making
  • Mutually Beneficial Supplier Relationship

Certified organizations must demonstrate a Business Management System capable of providing a product and/or service that meets customer and regulatory mandates.

ISO 14001: Environmental Management

ISO 14001 is a framework for an Environmental Management System that companies can follow and become certified. This is a voluntary standard that helps to reduce waste, conform to applicable laws and regulations, and improve company image. The standard is based around the framework of Plan-Do-Check-Act:



Objectives and processes required are established.


Processes are implemented.


Processes are measured and monitored, and results are reported.


Action is taken to continually improve performance of the Environmental Management System based on results.