Selected as one of the Top 100 Systems Integrators in 2011, we began in 1966 performing fire alarm inspections, and while we still perform them, our services have expanded to provide quality solutions for integrated systems including fire alarm and suppression, security, access control, CCTV and related low-voltage special systems. Protex Central offers a unique alternative to traditional contracting relationship because we can truly provide single source "turn-key"​ services. While our products and services have changed, our values have not. Bound by ethics. Committed to professionalism. Driven towards excellence. These were our values in 1966 and they remain our values today.

International Sensor Systems Inc. (ISSI) was founded in 1973; and maintains a long standing business philosophy centered on dedication to customer satisfaction, professional integrity, and superior quality. We have committed to exceeding the level of workmanship and product reliability that our customers have come to expect. ISSI is a manufacturer of custom built electronic circuit assemblies for the Industrial, Medical, and Military markets. We utilize a variety of technologies to produce Surface Mount, Through Hole, Thick Film Hybrid, Chip-on-Board, and Multi Chip circuits. With our engineering services, rigid quality program, detailed manufacturing processes, and on time delivery record, ISSI will become the one-stop, cost effective source for all of you electronic circuit assembly needs. Through years of service, the members of the ISSI team have proven their dedication to customer service and satisfaction. Each customer and each project, large or small, receive the full attention and resources of our management, technical, and production teams. Commitment to quality service and products is our primary hallmark. Contact us today to see how we can become an integral part of your custom electronic circuit solutions.