| Business | Phone |
| Bert Brosmith 16 Parkway, Katonah 10536 | (914) 232-7990 |
| Martin W Diano 28 High St, Katonah 10536 | (914) 232-7416 |
| R E Hagele 3 Edgemont Rd, Katonah 10536 | (914) 232-9493 |
| Helmes Group 184 Katonah Ave, Katonah 10536 | (914) 232-4633 |
| John Milnes Baker 85 Girdle Ridge Rd, Katonah 10536 | (914) 232-4903 |
| Michael Decandia Architects 174 N Salem Rd, Katonah 10536 | (914) 232-8210 |
| Paul Krause Assoc 16 Parkway, Katonah 10536 | (914) 232-8104 |
| Lloyd Taft 43 Katonah Ave, Katonah 10536 | (914) 232-3500 |
| Vermeersch & Vermeersch 21 South Ln, Katonah 10536 | (914) 245-2885 |