| Business | Phone |
| A-1 Real Estate Svc 327 Aldrich Rd # A, Portsmouth 3801 | (603) 431-7700 |
| De Wolfe Gold Key 31 Raynes Ave, Portsmouth 3801 | (603) 964-9588 |
| Ice Solutions Inc 1 New Hampshire Ave, Portsmouth 3801 | (603) 436-3100 |
| Myriad Management Group Inc 2 Regina Rd, Portsmouth 3801 | (603) 436-9240 |
| N H Real Estate 38 State St # 1, Portsmouth 3801 | (603) 433-8884 |
| Property Tax Advisors Inc 56 Middle St, Portsmouth 3801 | (603) 427-1122 |
| S & W Enterprises Inc 115 Mirona Rd, Portsmouth 3801 | (603) 431-3140 |