What does SI Jacobson Manufacturing do?

SI Jacobson is a design-led custom manufacturer specializing in carrying cases, protective packaging, soft goods, thermoformed components, and injection-molded products. We partner with brands across medical, defense, automotive, electronics, industrial, and consumer markets to bring products from concept to production.

How long has SI Jacobson been in business?

SI Jacobson was founded in 1934 and has over 90 years of continuous manufacturing experience. We operate a full-scale production facility in Lake Forest, Illinois, complemented by a managed international manufacturing network across Asia.

What industries does SI Jacobson serve?

We serve six primary industries: electronics and technology, industrial tools and equipment, automotive and mobility, military and defense, medical and healthcare, and consumer and outdoor products. Each industry vertical has a dedicated team with specialized expertise.

Where is SI Jacobson located?

Our headquarters and primary manufacturing facility are located at 13950 W Business Center Dr, Lake Forest, Illinois 60045. We also manage international production through trusted partners in China, Cambodia, Vietnam, and Indonesia.

What types of automotive products does SI Jacobson manufacture?

We manufacture vehicle-integrated storage solutions, automotive equipment bags, protective cases for aftermarket accessories, thermoformed interior components, and injection-molded automotive hardware for OEMs, Tier 1 suppliers, and aftermarket brands.

Can you support long automotive program lifecycles?

Yes. We are structured for long-term production partnerships spanning multiple model years. Our disciplined process control, documented quality systems, and flexible scheduling support the predictability and consistency that automotive programs require.

Do you work with automotive OEMs directly?

Yes. We collaborate directly with OEM engineering and supply chain teams as well as Tier 1 and Tier 2 suppliers. Our capabilities in soft goods, thermoforming, and injection molding allow us to support complex, multi-component automotive programs under one roof.

Automotive Equipment Bags & Mobility Solutions

Precision Manufacturing. Partnership-Driven Integration.

Automotive and mobility systems demand precision, repeatability, and seamless integration — qualities built through lasting partnerships. SI Jacobson collaborates with OEMs and Tier suppliers to design and manufacture automotive equipment bags, vehicle storage solutions, and engineered components that meet strict specifications and support predictable, scalable production.

How We Partner

We align closely with your engineering and supply chain teams from day one. Through disciplined process control and early validation, we ensure automotive protective cases and components arrive on time, within spec, and ready for integration — helping you streamline supply chains and accelerate innovation.

Vehicle-integrated storage and organizers

Protective solutions for mobility accessories and charging systems

Injection-molded and thermoformed components

Pre-assembled modules ready for installation

Common Applications

Reduces supply chain complexity through integrated capabilities and transparent communication

Supports predictable launches and sustains production across long program lifecycles

Acts as a long-term, accountable manufacturing partner

Why SI Jacobson

Frequently Asked Questions

We manufacture vehicle-integrated storage solutions, automotive equipment bags, protective cases for aftermarket accessories, thermoformed interior components, and injection-molded automotive hardware. Our products are designed for OEMs, Tier 1 suppliers, and aftermarket brands.
Yes. We are structured for long-term production partnerships that span multiple model years. Our disciplined process control, documented quality systems, and flexible scheduling support the predictability and consistency that automotive programs require.
Yes. We collaborate directly with OEM engineering and supply chain teams as well as Tier 1 and Tier 2 suppliers. Our capabilities in soft goods, thermoforming, and injection molding allow us to support complex, multi-component automotive programs under one roof.

Every Partnership Starts with a Conversation

Whether you've seen something in one of our posts, read an article that resonated, or have a project taking shape in your mind—we'd like to hear about it. Before we propose solutions, we want to understand your challenge. Share some details below and we'll follow up to learn more. No pitch, just a conversation.