Insights

End-to-end Manufacturing SI Jacobson offers a full design through production workflow with domestic and international capacity, enabling clients to scale quickly while maintaining cost efficiency and quality. This positions them as a single-source partner for companies seeking streamlined supply chains and faster time-to-market.

Diversified Industry Reach Serving automotive, medical, military, electronics, industrial tools, consumer care, and outdoor sporting goods, SI Jacobson can cross-sell complementary capabilities like thermoforming, injection molding, and custom sewing to a broad client base, increasing cross-industry expansion opportunities.

Sustainability Upside With a sustainability-focused approach, eco-friendly materials, lean manufacturing, energy-efficient processes, and compliance to ISO, RoHS, and Prop 65, they can target clients prioritizing green manufacturing and responsible supply chains, including government and defense sectors seeking compliant partners.

Defense and Compliance Whole Berry Amendment–compliant manufacturing and defense-grade capabilities open opportunities with government agencies and contractors requiring secure, compliant supply partners, especially for rugged gear, sterile packaging, and protective equipment used in defense contexts.

Small-to-Mid Market Advantage With a lean team size and revenue in the lower mid-market range, SI Jacobson can target fast-moving, mid-market manufacturers looking for scalable, high-quality production partners without the complexity of large-tier suppliers, presenting a clear value proposition for rapid onboarding and flexible capacity.

SI Jacobson Manufacturing Tech Stack

SI Jacobson Manufacturing uses 8 technology products and services including Fastly, jsDelivr, WordPress, and more. Explore SI Jacobson Manufacturing's tech stack below.

  • Fastly
    Content Delivery Network
  • jsDelivr
    Content Delivery Network
  • WordPress
    Content Management System
  • Open Graph
    Content Management System
  • RSS
    Content Management System
  • Cart Functionality
    E-commerce
  • parallax.js
    Javascript Libraries
  • Google Tag Manager
    Tag Management

SI Jacobson Manufacturing's Email Address Formats

SI Jacobson Manufacturing uses at least 1 format(s):
SI Jacobson Manufacturing Email FormatsExamplePercentage
FLast@sij.comJDoe@sij.com
78%
First@sij.comJohn@sij.com
9%
First.Last@sij.comJohn.Doe@sij.com
6%
Last@sij.comDoe@sij.com
7%

Frequently Asked Questions

What is SI Jacobson Manufacturing's phone number?

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You can contact SI Jacobson Manufacturing's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SI Jacobson Manufacturing's official website and social media links?

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SI Jacobson Manufacturing's official website is sij.com and has social profiles on LinkedIn.

How much revenue does SI Jacobson Manufacturing generate?

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As of August 2026, SI Jacobson Manufacturing's annual revenue is estimated to be $1M - $10M.

What is SI Jacobson Manufacturing's NAICS code?

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SI Jacobson Manufacturing's NAICS code is 31-33 - Manufacturing.

How many employees does SI Jacobson Manufacturing have currently?

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As of August 2026, SI Jacobson Manufacturing has approximately 8 employees across 3 continents, including North AmericaAsiaAfrica. Key team members include Director Of Procurement: C. J.Business Manager: C. L.Purchasing Agent: J. P.. Explore SI Jacobson Manufacturing's employee directory with LeadIQ.

What industry does SI Jacobson Manufacturing belong to?

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SI Jacobson Manufacturing operates in the Manufacturing industry.

What technology does SI Jacobson Manufacturing use?

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SI Jacobson Manufacturing's tech stack includes FastlyjsDelivrWordPressOpen GraphRSSCart Functionalityparallax.jsGoogle Tag Manager.

What is SI Jacobson Manufacturing's email format?

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SI Jacobson Manufacturing's email format typically follows the pattern of FLast@sij.com. Find more SI Jacobson Manufacturing email formats with LeadIQ.

When was SI Jacobson Manufacturing founded?

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SI Jacobson Manufacturing was founded in 1934.
SI Jacobson Manufacturing logo

SI Jacobson Manufacturing

ManufacturingIllinois, United States2-10 Employees

SI Jacobson Manufacturing is a U.S.-based producer offering custom sewing, injection molding, and thermoforming capabilities. With a history extending over nine decades, it serves customers in automotive, medical and healthcare, military and defense, electronics and technology, industrial tools and equipment, consumer care, and outdoor sporting goods, delivering products with speed and precision. The company uses a comprehensive workflow that starts with design and CAD engineering and continues through prototyping and bulk production, supported by a domestic facility in Lake Forest and international partners to scale as needed.

It also maintains warehousing and fulfillment to support just-in-time delivery and supply chain stability. Sustainability is integrated into operations through lean practices, energy-efficient processes, and the use of eco-friendly materials, with compliance to ISO, RoHS, and Prop 65 standards; the company provides Berry Amendment–compliant manufacturing for defense and government contracts. Its portfolio includes rugged military gear, sterile medical packaging, protective electronics cases, and durable automotive tool kits, reflecting a focus on reliable, cost-effective solutions that help clients stay competitive and resilient.

Section iconCompany Overview

Phone number
Website
sij.com
NAICS Code
31-33 - Manufacturing
Founded
1934
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    SI Jacobson Manufacturing's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    SI Jacobson Manufacturing's revenue is estimated to be in the range of $1M - $10M

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