Tight Security

Tight Security. TSI) is a family run security firm with a difference. We aim to suit all of our client's requirements and anticipate any problems they may have. TSI employs only off-duty Police Officers. We pride ourselves on a job well done. TSI is fully licensed and bonded. We are approved on the City of Chicago's vendor list. Due to our huge knowledge and motivated team, TSI can offer far more than an ordinary security firm. There is no comparison to TSI's trained, experienced Police Officers to a 20-hour trained security guard.