| Business | Phone |
| Brindley Newell Inc 111 Beaumont Dr, Newtown 18940 | (215) 504-8250 |
| Trident Engineering 12 Terry Dr, Newtown 18940 | (267) 685-1700 |
| Desai Consulting Co 36 Eagleton Farm Rd, Newtown 18940 | (215) 579-0380 |
| R A West Assoc Inc 2865 S Eagle Rd Pmb 359, Newtown 18940 | (215) 860-5026 |
| Patrick Engineering Inc 41 University Dr # 400, Newtown 18940 | (267) 757-0638 |
| Pickering Corts & Summerson 828 Newtown Yardley Rd # B, Newtown 18940 | (215) 968-9300 |