Frequently Asked Questions (FAQ’s)

Find answers to common questions about SI Jacobson’s U.S. manufacturing services, sustainable materials, and custom product solutions. We know that choosing the right manufacturing partner comes with a lot of questions. From materials and sustainability to production capabilities and timelines, our goal is to make the process clear, transparent, and collaborative.

Below you’ll find answers to some of the most common questions we hear from clients about our custom sewn cases, injection molding, and thermoforming services. If you don’t see your question here, our team is always ready to provide more details and help you start your next project.

  • We specialize in custom sewn cases, thermoformed packaging, and injection-molded components for industries ranging from consumer products to medical, industrial, and professional equipment. If your product requires a protective, branded, or functional solution, we can design and produce it.

  • Yes. We integrate bio-based plastics, recycled resins, and sustainable fabrics into our product lines where possible. We also help brands validate these materials against industry standards so sustainability claims are credible and audit-ready.

  • Absolutely. Our domestic production capabilities allow us to shorten lead times, improve quality control, and reduce freight risks. For clients who need global scale, we also offer international sourcing strategies.

  • Our clients span consumer electronics, medical devices, tools and hardware, lifestyle and soft goods, and promotional packaging. Each program is tailored to the client’s durability, cost, and brand requirements.

  • We start with your requirements. These include impact resistance, weight, storage conditions, cost targets. Then, our team maps them to the right material and process. From there, we provide CAD models, prototypes, and validation testing before moving into full production.

  • SI Jacobson supports both. Early-stage brands can start with pilot runs and scale up as demand grows. Larger clients benefit from our ability to manage high-volume production with consistent quality and supply stability.

  • Simply visit our Contact Page or reach out directly. You can call our sales team at (847) 623-1414. Alternatively, you can email them at sales@sij.com. Share your part requirements, drawings, or product goals, and we’ll put together a clear plan for design, prototyping, and production.