Preferred EMS | Houston’s Trusted 24/7 Medical Transportation Since 2004, Preferred EMS has provided reliable, compassionate non-emergency ambulance services across Greater Houston. Located minutes from the Texas Medical Center, our state-certified Paramedics and EMTs operate fully equipped MICU and ALS units for everything from routine facility transfers to complex high-acuity care. Our Services Include: Hospital Discharges • Interfacility & Long-Distance Transfers • Bariatric & Pediatric Transport • Specialized Organ Transportation. Available 24/7 for hospitals, care facilities, and private residences.