Insights

Niche Manufacturing Expertise State Line Foundries specializes in producing high-quality iron castings up to 2,500 pounds with a focus on prototypes and low-to-medium volume production. This positions the company as a valuable partner for clients needing customized, small-batch components and complex casting solutions.

Technical Capabilities The company's extensive in-house laboratory and design review processes, along with its ability to produce various alloys such as austempered ductile iron and customer-specific alloys, open avenues to serve clients with specialized material requirements and quality certification needs.

Agile Production Solutions State Line Foundries' expertise in adapting tooling for lower volumes and providing bridge production services makes it an ideal supplier for companies transitioning between phases of manufacturing or needing quick turnaround prototyping and replacement parts.

Regional Service Focus Located in northern Illinois with two close-foundry operations, the company can offer fast response times and geographically targeted services, benefitting regional manufacturers seeking reliable, timely castings and support.

Growth Opportunities With revenues between $1 million and $10 million and sophisticated processing capabilities, there is potential for expansion into larger projects, increased volume orders, or new alloy development by targeting industry segments requiring precision castings and quick delivery.

Similar companies to State Line Foundries

State Line Foundries Tech Stack

State Line Foundries uses 8 technology products and services including LiteSpeed Cache, Open Graph, RSS, and more. Explore State Line Foundries's tech stack below.

  • LiteSpeed Cache
    Caching
  • Open Graph
    Content Management System
  • RSS
    Content Management System
  • Twemoji
    Font Scripts
  • JSON-LD
    Javascript Frameworks
  • X-XSS-Protection
    Security
  • Gravity Forms
    Web Platform Extensions
  • LiteSpeed
    Web Servers

Media & News

State Line Foundries's Email Address Formats

State Line Foundries uses at least 1 format(s):
State Line Foundries Email FormatsExamplePercentage
First@slfcastings.comJohn@slfcastings.com
50%
First@slfcastings.comJohn@slfcastings.com
50%

Frequently Asked Questions

Where is State Line Foundries's headquarters located?

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State Line Foundries's main headquarters is located at 13227 N. SECOND ST., ROSCOE, Illinois 61073, US. The company has employees across 1 continents, including North America.

What is State Line Foundries's official website and social media links?

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State Line Foundries's official website is slfcastings.com and has social profiles on LinkedIn.

How much revenue does State Line Foundries generate?

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As of October 2025, State Line Foundries's annual revenue is estimated to be $12M.

What is State Line Foundries's SIC code NAICS code?

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State Line Foundries's SIC code is 3321 - Gray and Ductile Iron Foundries NAICS code is 212 - Mining (except Oil and Gas).

How many employees does State Line Foundries have currently?

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As of October 2025, State Line Foundries has approximately 51 employees across 1 continents, including North America. Key team members include Sales Manager: D. M.General Manager Hunting Accessories: K. C.General Manager Hunting Accessories: R. B.. Explore State Line Foundries's employee directory with LeadIQ.

What industry does State Line Foundries belong to?

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State Line Foundries operates in the Mining industry.

What technology does State Line Foundries use?

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State Line Foundries's tech stack includes LiteSpeed CacheOpen GraphRSSTwemojiJSON-LDX-XSS-ProtectionGravity FormsLiteSpeed.

What is State Line Foundries's email format?

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State Line Foundries's email format typically follows the pattern of First@slfcastings.com. Find more State Line Foundries email formats with LeadIQ.

State Line Foundries

MiningUnited States51-200 Employees

State Line Foundries is a jobbing foundry located in northern Illinois that produces a wide variety of iron castings weighing up to 2,500 lbs. We primarily produce castings to gray and ductile iron standards but also pour alloys such as austempered ductile iron, high silicon moly and customer-specific alloys. 

We combine technical expertise, vast experience, the latest technologies and structured processes to deliver quality castings on time from our two foundries, which are located about five miles apart. 

Our specialties are prototypes and low-to-medium volume production, including replacement and service parts. We work closely with our customers to solve complex problems such as:
•	Meeting time-critical delivery deadlines, 
•	Adapting previously-used production tooling for lower volume requirements, 
•	Supplying quality certification requirements with a vast array of in-house lab capabilities, 
•	Reviewing casting designs for manufacturability, and
•	Serving as a bridge production foundry for customers until their production foundry is ready.

Contact us today to discuss your casting needs: https://www.slfcastings.com/contact-us/

Section iconCompany Overview

Headquarters
13227 N. SECOND ST., ROSCOE, Illinois 61073, US
SIC Code
3321 - Gray and Ductile Iron Foundries
NAICS Code
212 - Mining (except Oil and Gas)
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    State Line Foundries's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    State Line Foundries's revenue is estimated to be in the range of $1M$10M

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