SIL4 Systems is an innovative supplier of affordable safety and control system products and services for rail transit, railroad and industrial markets worldwide. Safety and Reliability is in our DNA and is the basis for everything we do.

Our product design philosophy is based upon our innovative in-house architected and designed platforms to address a wide variety of market needs, and supplementing them with commercially available components and technologies within a framework of product platforms that allow us to comply with changing technology and regulations — quickly and efficiently. In a world where technology renders products obsolete with increasing frequency, our products stay evergreen due to our intentional design process that adapts and incorporates emerging technologies.

Call us today to discuss how we may be able to help you with your new and existing railcars to meet safety and compliance while gaining a technological edge.

Ambitious and all-compassing!  More than a “guide” it is a 250+ page vital reference book.  Unraveling the daunting challenge of planning and executing a methodical embedded fail-safe, mission-critical control system design.  From concept thorough hazard analysis, design, implementation, test, V&V and certification.  Deriving best practices from diverse industries such as Automotive, Rail Transit, Nuclear, Aviation, Medical Devices, Industrial Automation or Functional Safety for just about any electronic control system.  Mr. Conti and Mr. Yankovich draw upon decades of experience assisting clients in 5 countries world-wide.  Provide a vital guide that any company, product manager, and engineer will assuredly benefit from.  Whether you are new to the field or updating a legacy product that now needs to meet a safety standard – this is your go-to reference.

Coming Soon Fall 2025!