| Business | Phone |
| Adams & Jaskot 84 Hilltop Dr, Smithtown 11787 | (631) 265-7380 |
| Adl Bookeeping & Acctg Svc 1034 W Jericho Tpke # 1, Smithtown 11787 | (631) 543-2310 |
| Alperin & Alperin 325 Middle Country Rd, Smithtown 11787 | (631) 724-2240 |
| Madonna & Mazzone 738 Smithtown Byp # 110, Smithtown 11787 | (631) 289-7555 |
| Andrew S Becker Cpa 155 E Main St # 150, Smithtown 11787 | (631) 366-0641 |
| Charles A Bartagato & Co 9 Brooksite Dr, Smithtown 11787 | (631) 724-7900 |
| Merl & Cirigliano 50 Route 111 # 101, Smithtown 11787 | (631) 360-2727 |
| Craig Fitzsimmons & Michaels 20 Manor Rd, Smithtown 11787 | (631) 360-1400 |
| Dominic Marsicovetere & Co 198 Terry Rd, Smithtown 11787 | (631) 265-1613 |
| Doyle & Lauro 363 Route 111 # 100, Smithtown 11787 | (631) 382-7830 |
| Nathan Eichner Cpa 22 Lawrence Ave # 100, Smithtown 11787 | (631) 724-4400 |
| Philip Fabrizio Cpa 823 W Jericho Tpke, Smithtown 11787 | (631) 864-5221 |
| Gary P Silko Pc 90 Lawrence Ave # 2b, Smithtown 11787 | (631) 265-9393 |
| Gladowsky Capitol Mgmt Co 18 Manor Rd, Smithtown 11787 | (631) 360-0902 |
| Brian E Glickman Cpa 8 Manor Rd, Smithtown 11787 | (631) 366-4606 |
| Goodman Associates 550 Smithtown Byp, Smithtown 11787 | (631) 979-4200 |
| Elliot D Graff Cpa 821 W Jericho Tpke, Smithtown 11787 | (631) 543-4950 |
| S Hartmann & Co Inc 821 W Jericho Tpke, Smithtown 11787 | (631) 864-1109 |
| Joseph T Saggese Cpa 115 N Country Rd, Smithtown 11787 | (631) 361-8751 |
| La Sala Cpa 227 Middle Country Rd, Smithtown 11787 | (631) 265-6200 |
| Gary Schack Cpa 180 E Main St # 102, Smithtown 11787 | (631) 361-9090 |
| Carl Shapiro Cpa 38 Sterling Ln, Smithtown 11787 | (631) 265-7228 |
| Skinnon & Faber 373 Route 111, Smithtown 11787 | (631) 366-0802 |
| Stephen D Lippman Pc 314 E Main St, Smithtown 11787 | (631) 724-1020 |
| Tedoldi & Assocs 3 Whispering Woods Dr, Smithtown 11787 | (631) 269-3191 |
| Kenneth A Troise Cpa 14 Bellemeade Ave, Smithtown 11787 | (631) 265-7573 |
| Wealth Builder's 308 W Main St # 102, Smithtown 11787 | (631) 265-4446 |