Performance Composites Inc.

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Transportation And Alternative Energy Composite Manufacturing California

Composite Manufacturing for California Transportation and Alternative Energy Industries.

Performance Composites has spent over 40 years manufacturing precision fiberglass and composite components for transportation and alternative energy customers throughout California. Our team produces engineered structures built for the durability, weight, environmental resistance, and long-term reliability demands of California transit systems, EV manufacturers, and energy equipment producers. From rail components and city bus panels to EV fairings and composite energy enclosures, we support California customers across the full production lifecycle.

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What California Transportation and Alternative Energy Manufacturers Get from Our Team

California leads the country in transportation electrification, alternative energy adoption, and public transit investment, creating steady demand for composite components that meet strict performance, weight, and durability standards across a wide range of applications. Our manufacturing team serves California transportation and energy customers with end-to-end composite fabrication, managing every production phase in-house to deliver consistent quality and on-time performance. Here is what we provide:
  • Engineering and Design Support
  • Prototype Development
  • Material Selection Assistance
  • Tooling and Mold Manufacturing
  • Composite Fabrication and Production
  • Precision CNC Machining and Cutouts
  • Hardware Integration and Assembly Support
  • Paint and Surface Finishing
  • Quality Inspection and Verification
  • Packaging and Crating Solutions
  • Ready-to-Install Component Preparation

Composite Structures Engineered for California Transportation and Energy Environments

California transportation and alternative energy applications span one of the most diverse and technically demanding ranges in the country, from high-speed rail and electric bus fleets to utility-scale energy storage and EV commercial vehicles. Composite structures used in these environments must hold up against UV radiation, moisture, temperature cycling, vibration, and chemical exposure across years of continuous service. We produce components for California transportation and energy customers that are dimensionally accurate, specification-compliant, and integration-ready on arrival. Our manufacturing capabilities cover the following product types:
  • Train Masks
  • City Bus Exterior Panels
  • Transportation Dashboards
  • Train Doors
  • Fiberglass Transportation Components
  • Lightweight Composite Materials for Transportation
  • Composite Parts for Electric Vehicles
  • Composite Enclosures for Energy Systems

Standard and Custom Composite Products for California Transportation and Energy Applications

California transportation and energy customers need composite products built to their exact requirements, engineered for the specific operating conditions of their application, and delivered ready to use. We supply both standard composite defense structures and fully custom-engineered products matched to the precise performance, dimensional, and material specifications of each California project. Our facility is equipped with in-house tooling, four CNC routers, an Autometric Pattern Cutter, and a complete mill and lathe shop, giving California customers a single-source manufacturing partner from initial design through finished assembly preparation. Single prototypes and long-run production orders receive the same level of engineering attention and quality oversight.

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Why California Transportation and Alternative Energy Manufacturers Partner with Performance Composites

California transportation and alternative energy manufacturers operate programs where schedule precision, material compliance, and supplier reliability are not negotiable. Our team is structured to meet that standard, with engineering, tooling, manufacturing, and quality integrated under one roof so that specification changes, design revisions, and production questions are resolved without routing through external vendors. We build our own tooling, machine and finish on site, and deliver parts with hardware installed. California transportation and energy customers who work with us maintain those relationships because the results are reliable and the process does not require close oversight. Here is what every California project with our team includes:
  • More Than 40 Years of Manufacturing Experience
  • In-House Tooling Department
  • Internal Mold and Fixture Production
  • Integrated Engineering and Manufacturing Teams
  • Multiple Composite Manufacturing Processes
  • Precision CNC Machining Capabilities
  • Advanced Quality Inspection Systems
  • Cross-Industry Manufacturing Experience
  • Ready-to-Install Component Production
  • End-to-End Project Support

Ready to Move Your California Transportation or Energy Composite Project Forward?

Whether you are developing a new composite component for a California transit system, scaling production for an EV or commercial vehicle manufacturer, or sourcing engineered enclosures for alternative energy equipment, our team is prepared to engage and deliver. We serve transportation and alternative energy customers throughout California and ship to national accounts across the country.
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FAQs: Transportation and Alternative Energy Composite Manufacturing in California

We manufacture a broad range of composite structures for California transportation and alternative energy customers, including city bus exterior panels, train masks, transportation dashboards, train doors, EV fairings, battery enclosures, and composite structures for energy systems. Most California projects are custom-engineered to specific performance, dimensional, and material requirements. All tooling, fabrication, CNC machining, surface finishing, and hardware installation are managed in-house from project start through final delivery.
Yes. California transportation and energy applications frequently require fire-retardant composite construction, particularly for transit vehicles, rail equipment, and energy storage systems subject to California Title 19 and applicable ASTM or UL standards. We specify resin systems and manufacturing processes appropriate to the required fire retardance rating at the material selection stage, ensuring compliance is built into the design from the outset rather than addressed after construction begins. Our engineering team works through fire retardance requirements with California customers before any fabrication commitment is made.
Yes. Composite prototype development is a significant part of what we do for California transportation and energy customers. Our team engages across the full prototyping cycle, from design input and material specification through fabrication, dimensional verification, and production readiness preparation. In-house tooling capability gives California customers a faster, more controlled path from approved design to testable prototype than they would have working with fabricators who rely on outside toolmakers.
California transportation and energy projects draw from fiberglass, carbon fiber, and Kevlar reinforcements, paired with epoxy, vinyl ester, or polyester resin systems based on the performance and environmental demands of the application. For sandwich panel construction, we select from foam, honeycomb, and balsa core materials based on structural load and weight targets. Material decisions for every California project are governed by the operational environment, applicable fire retardance or performance standards, and any customer-specific specifications the project must satisfy.
Yes. Hardware integration before delivery is a standard part of how we fulfill California transportation and energy projects. Inserts, brackets, mounting hardware, and other assembly components are sourced and installed at our facility before parts ship to California customers, who receive components ready for direct integration without secondary processing. That approach reduces labor costs on the customer end and removes a handling step that can introduce dimensional error or damage between fabrication and final installation.
Yes. Painting and surface finishing are completed in-house, so California customers are not waiting on an outside vendor before parts can be delivered. We offer single-stage and two-stage paint systems and provide color matching when consistency across a California product line is required. Transportation composite structures and energy equipment are exposed to UV radiation, moisture, and regular cleaning cycles, so surface durability is treated as a structural requirement, not just a cosmetic consideration. Every painted part is inspected before it ships.
Yes. Our manufacturing capability covers the full size range required for California transportation and energy applications, from compact precision interior components to large-format exterior panels for rail vehicles, transit buses, and energy installations. Tooling is designed in-house to accommodate the geometry and scale of each part, and the manufacturing process and materials are selected to match the dimensional and performance requirements of the California application. We regularly produce structural assemblies sized for major transit vehicle programs.

All California transportation and energy projects are managed under our ISO 9001:2015 quality system, which maintains material traceability, process documentation, process records, and dimensional inspection data from receiving through final delivery. Our quality team uses 3D scanning and coordinate measuring machine technology for precise dimensional verification, and inspection plans are configured to match the specification and documentation requirements of each California customer, including any applicable transit authority or energy sector standards.

California transportation and energy projects are supported by the full range of composite manufacturing processes, including hand layup, spray layup, vacuum infusion, LRTM, silicone bagging, and prepreg. Process selection for each California project is based on part geometry, required surface finish, production volume, and material specification. Our engineers recommend the method that produces the best result for the application, which sometimes means a single process and sometimes means combining two methods on the same part to meet competing performance and cosmetic requirements.
Yes. Most California transportation and energy orders ship from our facility with machining, surface finishing, hardware installation, quality inspection, and packaging already completed. California customers receive parts that move directly into their assembly or installation process without any secondary processing. That delivery standard reduces internal labor costs, shortens the California customer's production cycle, and removes a category of schedule variability from the supply chain.
Yes. We serve transportation and alternative energy customers throughout California, from EV manufacturers and transit agencies in Southern California to rail equipment producers, energy storage companies, and commercial vehicle manufacturers across the Bay Area, Central Valley, and Northern California. Our facility is well-positioned to serve the California market, and we regularly manage projects for customers at locations across the state. Remote project coordination is available for California customers who prefer to minimize on-site travel.
Yes. California transportation and energy customers are welcome to visit our production facility for engineering reviews, in-process inspections, and first article verifications. We actively encourage California customers to participate at key project milestones, particularly during prototype development and initial production startup, as early involvement consistently reduces late-stage revisions and keeps expectations aligned. Visit scheduling is handled through our project management team and can be arranged to fit your California program timeline.
Yes. We support California transportation and energy customers from initial single-unit prototype development through sustained high-volume production. In-house tooling capability eliminates the delay between prototype approval and production start that California customers typically encounter when toolmaking is outsourced to external vendors. Projects that begin as California transportation prototypes with our team regularly develop into long-term production relationships as customer programs scale.
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Insights from Our Annual Customer Surveys

Discover how our engineered composite solutions have transformed products and driven success across industries.

"PCI has been honest and has worked hard to support the demands implied by us. I appreciate working with them!"

"PCI worked closely with us for development of Product for our important customer. We went through a lot of challenges and after FAI, PCI took care of the supplies and ensured quality & on-time delivery as per our requirements."

"PCI provide feedback on ways to improve to save cost. Very good collaboration!"

"I would recommend PCI due to the ability and ease to do business with them and their understanding of customer needs."

"I appreciate PCI’s sense of urgency working on new items and expediting for us."

"Performance Composites is a good partner to us."

"We like PCI’s fast response time to technical, delivery & quality queries as well as their product quality"

"I really enjoy working with the PCI team."

"To sum it up….PCI makes my life easy!"

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Partner with a trusted composites expert to bring your vision to life.

Contact us today to discuss how our tailored composite solutions can elevate your products and drive innovation in your industry.
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