| Business | Phone |
| Alberti's Window 304 Pleasant St, Watertown 2472 | (617) 923-8450 |
| Bottomline Technologies 480 Arsenal St, Watertown 2472 | (617) 924-2666 |
| St Croix Systems Corp 400 Talcott Ave, Watertown 2472 | (617) 393-2372 |
| Snowbound Software 321 Arsenal St, Watertown 2472 | (617) 924-4273 |
| Software Artisans 3 Brook St, Watertown 2472 | (617) 738-0777 |
| R & D Adina 71 Elton Ave, Watertown 2472 | (617) 926-5199 |
| Over Byte 299 School St, Watertown 2472 | (617) 926-8248 |
| Nuvosoft Inc 32 Fairview Ave, Watertown 2472 | (781) 788-0190 |
| Oat Services 204 Dexter Ave, Watertown 2472 | (617) 924-9301 |
| Oat Systems Inc 125 Walnut St, Watertown 2472 | (617) 924-7029 |
| Dyson Group Inc Watertown 2472 | (617) 924-0212 |
| Hard Software 14 Howe St, Watertown 2472 | (617) 926-5514 |