Gilbert Ave, Smithtown
- Gilbert Ave Catania, Koren/Michael
- 1-9 Gilbert Ave Pi2 Llc
- 5 Gilbert Ave Catania, Koren/Michael
- 8 Gilbert Ave Scrozzo, Francesco/Jo Ann
- 10 Gilbert Ave Lambert, Joseph/Nicole
- 11 Gilbert Ave Kollmeier, John
- 12 Gilbert Ave Smithtown Good Management
- 14 Gilbert Ave United Cerebral Palsy
- 16 Gilbert Ave Feldman, Joseph
- 18 Gilbert Ave Pailla, Satheesh/Sriatha
- 18a Gilbert Ave Pailla, Praveen/Sandhyarani
- 20 Gilbert Ave Cgmk Llc
- 21 Gilbert Ave Pluta, Deborah
- 24 Gilbert Ave Tumminello, Joseph/Tara Lee
- 25 Gilbert Ave Dunn, Kenneth
- 29 Gilbert Ave Vourlos, Andrew
- 30 Gilbert Ave Richford, Joseph/Angela
- 33 Gilbert Ave Rudolph, Clifford/Natalie
- 34 Gilbert Ave Ciaravino, Melanie A
- 39 Gilbert Ave Robertson, John J