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John Archer Dandridge Ltd
Free Member

John Archer Dandridge Ltd

Our reliable and professional (SAP) Substance Abuse Professionals are dedicated to providing the support you need in the RTD process

New provider Detroit Since 2004
  • SAP return-to-duty evaluations

About

Our experienced Substance Abuse Professionals (SAP) are qualified to conduct the required assessments following USDOT regulations. We understand the critical importance of these evaluations in maintaining public safety, and our approach combines professionalism with empathy to support each individual’s unique journey. We have over twenty years of experience in the Return to Duty process.

Services offered

  • SAP return-to-duty evaluations

Specialist sectors

  • Owner-operators
  • Small fleets
  • General freight
  • Box trucks
  • Hotshot / pickup-trailer
  • Hazmat
  • Tankers
  • Passenger carriers
  • Construction and aggregates
  • Refrigerated / temperature-controlled
  • Interstate carriers
  • Intrastate carriers

Certificates & accreditations

  • MCBAP Certification 9 April 2004
  • State of Michigan Masters Social Work License #6801069046
  • 12 Hours of Continuing Education 31 December 2025

States served

Blank map of the United States, territories not included Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia West Virginia Wisconsin Wyoming District of Columbia District of Columbia
Served Not listed

Covers 1 state

  • Michigan

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