| Business | Phone |
| Brian J Nixon Assoc 2035 Brinkman Rd, Quakertown 18951 | (215) 536-5856 |
| C Robert Wynn Assoc Inc 211 W Broad St, Quakertown 18951 | (215) 536-7336 |
| Haycock Electronics 487 Mount Airy Dr, Quakertown 18951 | (215) 529-4471 |
| Innovative Process Solutions 246 W Broad St, Quakertown 18951 | (215) 529-4120 |