ProTransport-1 Ambulance | 2,137 followers on LinkedIn. PT-1 Ambulance is the leading provider of patient logistics services to hospital systems in Northern California. | MISSION We bring patients and medical professionals together through mobile healthcare solutions and reliable transportation services. HISTORY Founded in 2000, ProTransport-1 has quickly emerged as Northern California's premier medical transport provider. What started as a company operating one used van out of a backyard granny unit has grown to encompass an area of 22 counties served by 500-plus employees and more than 120 vehicles out of 6 stations.