Not the only company.  I never heard of OxyContin or Vicodin until the 2000's.  Until then, OxyContin was mostly prescribed for terminal cancer patients and Vicodin was for patients after surgery while they were still in hospital.  I remember having my wisdom teeth pulled in 1988.  Dental surgeon sent me home with nothing.  Told me to take a Tylenol if it bothered me.  Next day I had to beg for a prescription.  My understanding is that in the time after that, doctors would write big prescriptions for narcotics under the same circumstances, no need to ask.  Pills in your hands before you got home.  Pharmaceutical company reps pushing doctors to prescribe drugs of that type for every little thing is a big reason why there is an addiction and overdose epidemic in this country.  Many people have addictive tendencies.  Exposing them to substances of abuse increases the chance there will a problem.