| Business | Phone |
| Machine Control Tech Inc 16 Vincent Ave, North Smithfield 2896 | (401) 762-3106 |
| R & R Machine Industries Inc 1 Tupperware Dr, North Smithfield 2896 | (401) 766-2505 |
| Precision Products 445 Saint Paul St, North Smithfield 2896 | (401) 766-0200 |