Kathleen Thompson will also have to pay 268-thousand dollars in restitution to the state.
She pled guilty in a case that left several oil customers without prepaid deliveries.
Thompson ran Petroleum Products Cooperative of Maine, which supplied fuel to retailers and other customers, including schools.
The attorney general says Thompson’s company failed to pay nearly 3-million dollars in fuel taxes to the state.
She also wrote large checks from an account that had no funds.
People who pre-paid for fuel lost their money when the company failed.