Trustworthy Locking Systems & Security Hardware

Oestreich Sales & Service, Inc. installs and maintains various types of locking systems and security hardware. We come to you within the Joliet, Illinois, area for installations and maintenance services.


As a licensed locksmith agency, we provide all grades of security hardware, as well as electrical and mechanical locking systems. In addition, we also install cameras, video intercom systems, and digital video recorders with remote access capabilities for enhanced security. Record your property with our expansive DVR capability.

Based on your individual or commercial needs, we are able to install digital and card access systems with audit trail capabilities. We also offer standalone electronic access to computer-operated control systems. To keep your belongings safe, we also sell and service all kinds of safes to suit your needs. When you cannot get into your safe due to a malfunction, call us to open it.

Security System - Security Hardware


If you are ever locked out of your home, office, or car, call us for emergency locksmith services. Whether you want to make new keys, re-key your lockset, or integrate your custom master key, we have decades of expertise in the locksmith field. We specialize in handicapped door openers that comply with the Americans with Disabilities Act. Let us install and maintain your locking hardware, including:

• Door Knobs • Deadbolts • Panic Exits • Access Control Systems • Custom CCTV Systems

Licensed Locksmiths

All of our employees are members of Local Lodge #701 for the International Association of Machinists and Aerospace Workers. Each locksmith is required to have a Personal Employee Registration Card, provided by the state of Illinois after a background investigation and fingerprint check.

Let us install and maintain your locking systems or security hardware.