Ameriflight does indeed have a first officer program:
All Pilot Positions
Commercial Pilot License with multi-engine land and instrument rating or Airline Transport Pilot License
Current Instrument Proficiency Check
English Proficient
High Performance and Complex logbook endorsements
FAA Medical, First or Second Class
FCC Restricted Radiotelephone Operator Permit
Current Passport
Eligibility to work in the United States
Valid driver’s license
First Officer Positions
EMB120 FO: 500 TT, 25 ME, 100 XC (defined as point to point), 25 night, 350 PIC, 75 instrument
Accelerated Captain Program FO: 750 TT, 25 ME, 300 XC (defined as point to point), 100 night, 500 PIC, 75 instrument
Captain Positions
BE99 Captain: 1,200 TT, 50 ME, 500 XC (defined as point to point), 100 night, 500 PIC, 75 instrument
BE1900 Captain: 1,800 TT, 250 ME, 500 XC (defined as point to point), 100 night, 1,000 PIC, 100 instrument, 100 Turbine, 121 or 135 experience
SA227 Captain: 2,500 TT, 250 ME, 500 XC (defined as point to point), 100 night, 1,000 PIC, 100 instrument, 200 Turbine, 121 or 135 experience
EMB120 Captain: 3,000 TT, 500 ME, 500 XC (defined as point to point), 100 night, 1,000 PIC, 200 instrument, 500 Turbine, 121 or 135 experience