| Business | Phone |
| Police Tronics Alarm Inc 5535 W 110th St 5, Oak Lawn 60453 | (708) 425-9797 |
| Windy City Alarm 5318 W 96th St, Oak Lawn 60453 | (708) 424-9679 |
| American Eagle Security Inc 6844 W 95th St, Oak Lawn 60453 | (708) 430-2015 |
| Motor Vehicle Transportation 6305 W 95th St, Oak Lawn 60453 | (708) 424-3500 |
| Oak Lawn Fire Protection 9526 Cook Ave, Oak Lawn 60453 | (708) 422-0388 |
| Porta-Electric 10204 S Komensky Ave, Oak Lawn 60453 | (708) 354-4424 |