| Business | Phone |
| Verizon Laboratories 40 Sylvan Rd, Waltham 2451 | (781) 890-2868 |
| Boston Clinical Laboratories 764a Main St, Waltham 2451 | (781) 893-1477 |
| Serenex Inc 1601 Trapelo Rd, Waltham 2451 | (781) 290-2250 |
| Grow Tech Inc 240 Beaver St, Waltham 2452 | (781) 642-0842 |
| Health Assessment Lab 235 Wyman St, Waltham 2451 | (781) 890-5544 |