Yoh Services

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Industry Talent and Outsourcing
Founded 1940
Headquarters Philadelphia, PA
Area served
Continental United States, Canada
Key people
Anthony Bosco (President)
Revenue US$ 374 Million (2007)
Number of employees
4,000 (2007)[1]
Website www.yoh.com

Yoh Services LLC is an American talent and outsourcing company headquartered in Philadelphia, Pennsylvania.[2] Yoh’s primary services include temporary placement, direct hire, managed staffing services and outsourced solutions. The company specializes in providing short- and long-term professionals for the information technology, scientific, clinical, engineering, health care, telecommunications and industrial industries.


Yoh was founded in 1940[3] as Duncan Tool Design.[4] As the country's first temporary technical staffing firm,[3] Yoh got its start by staffing the United States government and industry’s engineering needs during World War II.[5]

Yoh is a business unit in the larger company Day & Zimmermann.[3] It is headquartered in Philadelphia.[2]


  1. ^ "Contract Staffing Company: Easy Source". 
  2. ^ a b c "Company Profile". Yoh Services LLC. Retrieved 19 October 2012. 
  3. ^ a b c "About Yoh". Yoh Services LLC. Retrieved 19 October 2012. 
  4. ^ "History" (interactive timeline). Day & Zimmermann. Retrieved 19 October 2012. 1940: What would become the Yoh Company was founded as Duncan Tool Design by a group of partners including Harold Yoh. 
  5. ^ "History". Day & Zimmermann. Archived from the original on August 2, 2008. 

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