| Business | Phone |
| Air Park Bp 19230 Woodfield Rd, Gaithersburg 20879 | (240) 632-9130 |
| Airpark Exxon Shop 7983 Muncaster Mill Rd, Gaithersburg 20877 | (301) 975-9731 |
| Walnut Hill Chevron 623 S Frederick Ave, Gaithersburg 20877 | (301) 926-4666 |
| Walnut Hill Exxon 16425 S Frederick Ave, Gaithersburg 20877 | (301) 590-0033 |
| Washingtonian Chevron 10003 Fields Rd, Gaithersburg 20878 | (301) 840-6277 |
| Atlantic Motor Sports 8624 Dakota Dr, Gaithersburg 20877 | (301) 869-7700 |
| Shell 15730 Shady Grove Rd, Gaithersburg 20877 | (301) 963-0303 |
| Shell 19300 Montgomery Village Ave, Gaithersburg 20886 | (301) 417-9220 |
| Shady Grove Amoco 16210 S Frederick Ave, Gaithersburg 20877 | (301) 926-2661 |
| Quince Orchard Plaza Shell 600 Quince Orchard Rd, Gaithersburg 20878 | (301) 990-4344 |
| Quince Orchard Shell Food Mart 501 Quince Orchard Rd, Gaithersburg 20878 | (301) 990-7494 |
| Darnestown Chevron 12301 Darnestown Rd, Gaithersburg 20878 | (301) 519-1500 |
| Darnestown Shell 14020 Darnestown Rd, Gaithersburg 20878 | (301) 840-8515 |
| Potomac Valley Servicenter 12175 Darnestown Rd, Gaithersburg 20878 | (301) 948-2444 |
| Flower Hill Mobil 8441 Snouffer School Rd, Gaithersburg 20879 | (301) 948-2785 |
| Montgomery Shell 455 N Frederick Ave, Gaithersburg 20877 | (301) 670-9800 |
| Montgomery Village Amoco 19304 Montgomery Village Ave, Gaithersburg 20886 | (301) 869-1600 |
| Montgomery Village Exxon 19205 Watkins Mill Rd, Gaithersburg 20886 | (301) 948-8447 |
| Gaithersburg Citgo 409 E Diamond Ave, Gaithersburg 20877 | (301) 921-9225 |
| Gaithersburg Crown 12140 Darnestown Rd, Gaithersburg 20878 | (301) 869-1215 |
| Gaithersburg Exxon 408 N Frederick Ave, Gaithersburg 20877 | (301) 926-1132 |
| Gaithersburg Shell 15 S Summit Ave, Gaithersburg 20877 | (301) 869-8190 |
| Goshen Crossing Mobil 20050 Goshen Rd, Gaithersburg 20879 | (301) 977-3200 |
| Lake Forest Exxon 448 N Frederick Ave, Gaithersburg 20877 | (301) 948-8209 |
| Kentland Exxon 971 Quince Orchard Rd, Gaithersburg 20878 | (301) 926-1111 |
| Kentlands Mobil 121 Kentlands Blvd, Gaithersburg 20878 | (301) 963-6911 |