| Business | Phone |
| Waltham Municipal Employees Cu 177 Lexington St, Waltham 2452 | (781) 899-0506 |
| Twh Credit Union Hope Ave, Waltham 2453 | (781) 647-6497 |
| Twinbrook Federal Credit Union 225 Wyman St, Waltham 2451 | (781) 890-9300 |
| U S Alliance Credit Union 159 Overland Rd, Waltham 2451 | (781) 642-0350 |
| Unified Federal Credit Union 40 Sylvan Rd, Waltham 2451 | (781) 466-2152 |
| Energy Credit Union 52 2nd Ave, Waltham 2451 | (781) 890-2222 |
| Boston Po Employee Cu 200 Smith St, Waltham 2451 | (781) 890-2577 |
| Rtn Federal Credit Union 600 Main St, Waltham 2452 | (781) 647-0848 |
| Raytheon Credit Union 600 Main St # 1, Waltham 2452 | (781) 894-6351 |
| Raytheon Employees Federal Cu 600 Main St, Waltham 2452 | (781) 736-9900 |