| Business | Phone |
| Banducci Katz & Ferraris 51820 Route 25, Southold 11971 | (631) 765-9416 |
| M Britvan 540 Southold Ln, Southold 11971 | (631) 765-4945 |
| Colonial Village At Southold 55075 Route 25, Southold 11971 | (631) 765-3436 |
| Dfr2 Inc 44500 County Road 48, Southold 11971 | (631) 765-3500 |
| Erg Solution Llc 1055 Lighthouse Rd, Southold 11971 | (631) 765-6350 |
| Jackson Street Beach Jackson, Southold 11971 | (631) 734-6464 |
| Southold Park Dist Terry Ln, Southold 11971 | (631) 765-3250 |
| Twomey Latham Shea & Kelley 51820 Route 25, Southold 11971 | (631) 765-2300 |