| Business | Phone |
| Barrington Venture Llc 6000 Garlands Ln 120, Barrington 60010 | (847) 277-7711 |
| Bernat Development Co 1 Wood Creek Rd, Barrington 60010 | (847) 426-4479 |
| Schruecht Development Group 590 W Russell St, Barrington 60010 | (847) 381-3727 |
| Ram Properties & Devmnt Inc 31 Covered Bridge Rd, Barrington 60010 | (847) 277-7900 |
| G K Development Inc 303 E Main St 201, Barrington 60010 | (847) 277-9930 |
| Maude Development Llc 22n159 Pepper Rd, Barrington 60010 | (847) 382-1636 |