NSR Petro Service operates 48 unbranded convenience stores in the Baltimore-Washington metropolitan areas. In 2020, it purchased eight stores from Burch Oil.

For benchmarking purposes, store counts are as of Jan. 1, 2021.

Headquarters:Greenbelt, Maryland
No. of Stores:48
Rank:134
Rank Last Year:182
Website:http://nsr-petro-services-llc.business.site/