Manpower Inc. (NYSE: MAN), Paychex Inc. (NASD: PAYX) and Accenture Plc (NYSE: ACN) were named to the Ethisphere Institute's 2014 world's most ethical companies list. All three were listed in the business services category.

This marks the sixth time Paychex has landed on the list and the fourth consecutive year ManpowerGroup has earned the award.

Ethisphere is an international think-tank that promotes best practices in corporate ethics and compliance. The World’s Most Ethical Company assessment is based upon the Ethisphere Institute’s Ethics Quotient framework. Scores are generated in five key categories: ethics and compliance program; reputation; leadership and innovation; governance; corporate citizenship and responsibility and culture of ethics.

For more on the list, click here.