Safety
Safety is our number one core value. We are committed to delivering the safest and most reliable systems to our customers and the communities we serve. We work in a manner that respects the health, safety and welfare of everyone on the job and in the communities where we work, to ensure everyone gets home safe every day.

Quality
We believe that quality is the responsibility of the entire project team and we are committed to providing the necessary training, support, materials, and tools to consistently achieve excellence in quality.

Commitment
The relationships we build with our customers are fundamental to everything we do. We have a proven track record of exceeding client expectations by committing ourselves to excellence to ensure the highest possible standards of service.

Expertise
Our team provides unparalleled expertise in the rail and transit industry. This expertise ensures the systems we work on meet or exceed customers' expectations. Project success not only depends on the company, but on the people within the company.

Diversity
We strive to create a workplace that reflects the communities in which we work, where everyone feels empowered to bring their full authentic selves to the job. Our commitment to inclusion encompasses ethnicity, gender, age, religion, identity and experience.


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Project Management

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Systems Engineering and Integration

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Signal Construction

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Testing and Commissioning
Modern Railway Systems
We are a recognized leader in delivering turnkey signal systems from conceptual design through certification of installed systems. We have completed or are currently involved in over $750 million in rail systems projects. Our team has extensive experience in rail systems management, design, procurement, construction, testing and integration. Our primary focus is on the train control disciplines, but our capabilities also extend to the communications, power distribution and rail operation disciplines.
We provide the safest, most innovative and cost-effective systems solutions available. We work as an integrated team with our customers, their representatives, and other contractors involved in our projects. We work on systems for light rail, commuter rail, streetcar and Class I railroads across the United States and Canada. Our history and experience with train control projects highlights our ability to provide a completely integrated project from design to implementation.
We are at the forefront of the industry with our implementation of Positive Train Control (PTC). We have installed PTC systems on more than 280 miles of commuter rail lines throughout the nation. In addition, we were the first to successfully implement the FRA PTC Type-Approval for Enhanced-Automatic Train Control in the United States.
Stacy and Witbeck is the parent company of MRS, MCS and MML, specializing in construction and management services on complex rail and transportation projects.
Modern Communications Systems (MCS) provides design, furnish, integration, installation, and testing of all communications systems for rail and bus transit systems.
Modern Manufacturing Limited (MML) is a custom manufacturer of precision metal fabrications, specializing in railway equipment. MML is the exclusive supplier to many Class I railways and transit owners in North America.