ISO (International Organization for Standardization) is a worldwide standardization organization made up of entities from over 110 countries.
In order to become ISO 9001:2008 Certified, a company must first develop a strict standard of operation based on eight quality management principles.
1 - Customer Focus
2 - Leadership
3 - Involvement of People
4 - Process Approach
5 - System Approach to Management
6 - Continual Improvement
7 - Factual Approach to Decision Making
8 - Mutually Beneficial Supplier Relationship
Then the company must subject all aspects of its organization to intense scrutiny by an approved ISO auditor to ensure that these principals are met.