| Business | Phone |
| Mei Inc 1212 E Main St, Riverhead 11901 | (631) 208-0053 |
| Crown Central Petroleum Corp Flanders Rd, Riverhead 11901 | (631) 727-9890 |
| Motex Petroleum Inc 415 E Main St, Riverhead 11901 | (631) 369-5138 |
| Mudak Petroleum Flanders Rd, Riverhead 11901 | (631) 727-9020 |
| E M & T Inc Route 58, Riverhead 11901 | (631) 727-1950 |
| Empire Oil Station 1356 Old Country Rd, Riverhead 11901 | (631) 369-5900 |
| Empire Service Station 1050 Osborne Ave, Riverhead 11901 | (631) 399-9602 |
| Empire Service Station 640 Old Country Rd, Riverhead 11901 | (631) 369-9602 |
| Enka Petroleum Inc 1149 Old Country Rd # E4, Riverhead 11901 | (631) 208-9292 |
| Exxon 1050 Osborne Ave, Riverhead 11901 | (631) 369-9602 |
| Ocean 301 Route 24, Riverhead 11901 | (631) 727-8497 |
| Flanders Corp Usa 1446 Flanders Rd, Riverhead 11901 | (631) 369-0402 |
| Getty 11 Flanders Rd, Riverhead 11901 | (631) 727-7550 |
| Gulf Gas Station Riverhead 7 Peconic Trl, Riverhead 11901 | (631) 208-3009 |
| Riverhead Mobil 1575 Old Country Rd, Riverhead 11901 | (631) 727-7234 |
| Sunoco 103 Flanders Rd, Riverhead 11901 | (631) 287-6233 |