Yoh provides talent to companies that leverage knowledge and technology for competitive advantage. Operating from 75 locations with 400 million USD in annual sales, Yoh delivers long- and short-term temporary and direct placement of technology and professional personnel, as well as workforce management and outsourcing services, for the information technology, scientific, engineering, health care, telecommunications and industrial communities. Founded in 1940, Yoh is headquartered in Philadelphia, PA.

Yoh is a business unit of Day & Zimmermann. Operating from more than 150 worldwide locations with 2.4 Billion USD in revenues, the Day & Zimmermann family of companies employs 24,000 professionals and is currently ranked as one of the largest private companies in America by Forbes and is a former winner of the U.S. National Family Business of the Year award. Serving 1300 customers worldwide with completed projects in 75 countries.