We are a full-service independently owned alarm company serving primarily Illinois and Missouri.  The owner has over 30 years of experience in the alarm and low voltage field.

We pride ourselves on providing quality work and equipment at affordable prices. “We service what we sell.”

We install and service security alarms, fire alarmsvideo surveillance systems, access control systems, etc.

We serve clients in the residential, commercial, and federal government sectors.

We are licensed with the State of Illinois and have St. Louis County Communications Contractor & Alarm Licenses.

We have staff on call 24 hours a day.


Pro Alarm provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Pro Alarm complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.