Rail Capabilities
Signal Houses
Our expertise extends to the fabrication of signal houses, designed to meet the specific requirements of railroad and infrastructure projects. We prioritize innovation and precision to deliver custom-built signal houses that align with industry standards and client needs.
Cantilevers & Structures
We fabricate cantilevers, bridges, and structural assemblies engineered to support critical signaling and communication systems. Each structure is designed for precision alignment, long-term performance, and simplified field installation.
Rail Foundations
Serrmi designs and manufactures precast and helical foundation systems built to AREMA, AASHTO, and Buy America standards. Our products provide the stability and durability required for rail, DOT, and infrastructure installations of every scale.
Signal Components
Our electrical and communication products include junction boxes, cable systems, and steel housings designed to meet strict rail and industrial standards. Each unit is built for reliability, safety, and compatibility across multiple systems.
Batteries
Our rail power solutions include lead-acid and Ni-Cd battery systems engineered to support critical signal and infrastructure applications. Designed for long service life and dependable performance, these batteries deliver consistent power in demanding rail environments and ensure system continuity across a wide range of operating conditions.
Locomotive Lighting
Our locomotive and wayside lighting products deliver high-efficiency LED solutions designed for visibility, safety, and long-term reliability. Built for harsh rail environments, these lighting systems support consistent performance while reducing maintenance and energy demands across rolling stock and rail operations.
Explore Our Product Range
CERTIFIED M-1003 STANDARDS
Proudly manufactured in the United States, our offerings are certified to the rigorous American Association of Railroad M-1003 Standards, ensuring the highest level of performance and reliability.
Each Serrmi house and case features stainless steel three-point latching systems, guaranteeing a secure and tight closure. Our cast aluminum exterior door handles are designed to accommodate standard padlocks, ensuring enhanced security. Moreover, house doors are equipped with interior handles for convenient access when the enclosure is occupied.
We utilize premium materials to construct our houses and cases. Walls, roof, and floor panels are made from 0.100" Aluminum, Alloy 3003-H14, providing exceptional strength and resilience. Doors are crafted from 0.125" Aluminum, Alloy 3003-H14, ensuring long-lasting performance. The structural material used in each house and case is Aluminum Alloy 6061-T6, known for its superior durability.
Custom Engineering
Expert Support From Concept to Production
Serrmi supports projects from early concepts through build-ready drawings, helping customers turn requirements into accurate, production-ready solutions. Our engineering team works through the details before fabrication begins, including digital models, electrical and structural requirements, documentation, and field installation needs.
CAD Development
BOM Creation
Electrical Schematics
3D Modeling
Prototyping
Mechanical Problem Solving
R&D
Manufacturing Capabilties
Built In-House From Start to Finish
Serrmi brings fabrication, machining, forming, finishing, and assembly together to support complex, production-ready work. With the equipment, space, and experience to manage more steps in-house, our team helps customers reduce handoffs, improve consistency, and move projects forward with greater control.
Automated Laser Cutting
Plasma Cutting
Punching & Engraving
CNC Router
Wire Grid Fabrication
3D Wire Bending
4-Axis Horizontal CNC MillI
3-Axis Vertical Mill
CNC Lathe
Powder Coating
YOUR NEXT PROJECT STARTS HERE