Best Ongoing Maintenance in Detroit MI

Called these people in hopes to find a detroit based commercial hvac contrcator.Spoke with Tony Moore of Moore brothers. He asked me to send him my blue prints via email and i did.He replyed saying he did received. One week later still no response. So i decide to call back and asked if that could follow up with me.
Still no reponse two weeks later. Dont waste your time!!!!!!!!!!