| Business | Phone |
| Accurate Survey Svc 28662 W Northwest Hwy, Barrington 60010 | (847) 381-8735 |
| Barrington Engineering Conslnt 215 S Northwest Hwy 202a, Barrington 60010 | (847) 382-6337 |
| Lake-Cook Land Survey 118 Barrington Commons Ct, Barrington 60010 | (847) 382-9572 |