| Business | Phone |
| Zuluaga's Tae Kwon Do 106 Merrimack St, Lowell 1852 | (978) 458-3990 |
| Gary Card's Martial Arts Acad 649 Lawrence St, Lowell 1852 | (978) 452-2699 |
| Master An's Tae Kwon Do 1519 Middlesex St, Lowell 1851 | (978) 453-5387 |
| Masters Self Defense Ctr 225 Stedman St # 25, Lowell 1851 | (978) 441-2212 |
| Lowell Tae Kwon Do 99 Market St, Lowell 1852 | (978) 458-3990 |