George O’Brien Supply Company, Inc. is a full-service wholesale/retail supplier, providing both residential and commercial customers with top quality plumbing, heating and excavation products since 1982. Our highly trained employees provide the best possible customer service and can help you select products to meet the needs of your business or personal residence. 

Visit O’Brien Supply at any one of our Four locations: Mashpee, Dennis, Eastham MA And Providence RI.

Store Hours

Monday – Friday 7:00 AM – 4:30 PM

Saturday 8:00 – 12:00

Closed Sundays