Ways to Contact Us
There are many ways to contact us. Feel free to use the method you find most convenient.
Call our Client Care Center and speak to a Client Care Associate at 1-888-222-3720. To better serve you, our Client Care phone hours are 7 am to 7 pm, Monday through Friday.
We also offer 24/7 emergency service. If you have an emergency, please call for immediate assistance.
Fill out the consultation form on the right side of this page. You can also order fuel oil by clicking here.
Send fax correspondence to 1-301-932-3718.
Send written correspondence to:
SMO Client Care Center
109 North Maple Avenue
La Plata, MD 20646
You may stop by one of our offices to drop off a payment Monday through Friday:
• Hein/SMO plant at 7400 Baltimore Annapolis Blvd, Glen Burnie (8am-4pm)
• SMO La Plata plant at 109 N. Maple Ave, La Plata (9am-4pm)
• Wills Group office at 6355 Crain Highway, La Plata (8am-4pm)
• SMO Prince Frederick office at 201 Bugeye Square, Prince Frederick (8am-4pm)