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 should I prepare before contacting SI Jacobson?

No preparation is required. We start every relationship with a conversation to understand your challenge. If you have drawings, specifications, or reference samples, those are helpful but not necessary for an initial discussion.

How quickly does SI Jacobson respond to inquiries?

We aim to respond to all inquiries within one business day. Initial conversations typically focus on understanding your project scope, timeline, and priorities before we discuss specific solutions or pricing.

Does SI Jacobson require minimum order quantities?

Minimum order quantities vary by manufacturing process and product complexity. We work with programs ranging from small prototype runs to high-volume production. Contact us to discuss your specific volume needs.

Let's Start with What Matters to You

At SI Jacobson, we've spent 90+ years building carrying and storage solutions—not by having all the answers, but by asking the right questions. We combine deep expertise in soft goods manufacturing, thermoforming, and injection molding with a collaborative approach that puts your goals at the center of every decision.

Whether you're developing something new, rethinking an existing product, or looking for a manufacturing partner who can scale with you—we're here to listen first and build from there. Reach out, and let's find out what we can accomplish together.

Call : 847.623.1414
Email : Sales@sij.com

SI Jacobson Manufacturing
13950 W Business Center Dr.
Lake Forest, IL 60045

Frequently Asked Questions

No preparation is required. We start every relationship with a conversation to understand your challenge. If you have drawings, specifications, or reference samples, those are helpful but not necessary for an initial discussion. We’ll ask the right questions to understand your needs.
We aim to respond to all inquiries within one business day. Initial conversations typically focus on understanding your project scope, timeline, and priorities before we discuss specific solutions or pricing.
Minimum order quantities vary by manufacturing process and product complexity. We work with programs ranging from small prototype runs to high-volume production. Contact us to discuss your specific volume needs.

Let's Start with What Matters to You

Frequently Asked Questions

Location

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