| Business | Phone |
| Arakelian Realtors 295 Boston Rd # 1, North Billerica 1862 | (978) 667-2301 |
| Era Morrison Real Estate 305 Boston Rd, North Billerica 1862 | (978) 671-0010 |
| Ronnie's Inc 71 Faulkner St, North Billerica 1862 | (978) 667-1380 |
| Pioneer Realty Development Llc 2 Valhalla, North Billerica 1862 | (978) 671-4545 |
| Omni Realty 265 Boston Rd, North Billerica 1862 | (978) 528-5330 |