OSCS Clients 

OSCS practices mobile testing, meaning we offer the most time efficient, and accurate testing services to our clients. We pride ourselves in maintaining a strict schedule to reduce time lost during travel.

OSCS provides collection services to both private and public industries. We work with a wide range of partnering organizations that serve the public, including:

  • DHHS

  • US Customs & Border Protection 

  • US Probation & Pretrial Services

  • USGC

  • Schools 

  • Public Transportation


We also serve a number of Private Sector Industries, ranging from:

  • Construction

  • Railways

  • Airlines

  • Pulp & Paper

  • Oil companies

  • Trucking and Logging

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