Metform, L.l.c.

What Metform, L.l.c. does

Metform, L.l.c. is a U.S.-based precision components manufacturer operating as a division of MacLean-Fogg, a fourth-generation, family-owned American manufacturer founded in 1925 and headquartered in Mundelein, Illinois. Metform runs at least three production facilities in Illinois, including the Extrusion Sciences facility at 2551 Wacker Road in Savanna and the Hotform facility at 7034 IL Route 84 in Savanna, with a third site in Mount Carroll. Its core manufacturing processes include hot forging, precision machining, plastic injection molding, insert molding, welding, and assembly, producing components such as fasteners, seals, bumpers, and related assemblies for automotive and industrial customers. The company is positioned as a B2B supplier to manufacturers of automotive components and systems and to industrial equipment makers, with its tight-tolerance, high-strength forged and molded parts marketed as critical to end-product performance.

The business model is direct B2B hardware sales with contract-negotiated pricing tied to volume and specifications; no public pricing, customer logos, or revenue figures are disclosed. Go-to-market is primarily direct enterprise sales to automotive and industrial OEMs and Tier suppliers, with the Metform branding used to signal specialized forging and extrusion capability within the broader MacLean-Fogg portfolio (which also includes Plastic Solutions, Fastener Solutions, Engineered Solutions, and subsidiaries JANCO and Mallard Manufacturing). Marketing and recruitment leverage the careers.macleanfogg.com site, LinkedIn, Facebook, X, and in-person hiring events, and the unit maintains multi-shift production (2nd and 3rd shift roles posted), indicating ongoing capacity investment at the Savanna sites. Geographic scope is concentrated in the U.S. Midwest with broader MacLean-Fogg reach across Illinois, Michigan, Wisconsin, North Carolina, Pennsylvania, and New York.

Name

Metform, L.l.c.

Legal name

MacLean-Fogg

Website

https://metformjobs.com

Company type

Private

Founded year

1925

Operating status

Operating

Short description

Metform, a division of fourth-generation family-owned MacLean-Fogg, manufactures hot forged, machined, and injection-molded precision components — including fasteners, seals, bumpers, and assemblies — for U.S. automotive and industrial manufacturers from Illinois-based facilities.

Ownership category

akta.pro rank

Product category

Precision Component Manufacturing

NAICS

Foundries (3315)

SIC

Metalworkg Machinery & Equipment (3540), General Industrial Machinery & Equipment, Nec (3569)

akta.pro industry

PRIMARYIMAHADAC

Metal Forming & Fabrication Machines (Presses, Bending, Shearing, Stamping)

Industrials, Manufacturing & Construction/Industrial Machinery & Heavy Equipment/Machine Tools & Metalworking Equipment

Keywords

• Precision component manufacturing
• Hot forged components
• Industrial plastic molding
• Automotive fastener production
• Metal machining services

Headquarters

HQ city

Savanna

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D

Revenue model

1. Manufacturing Services: Metform operates as a manufacturing division producing precision components for automotive and industrial applications. The company generates revenue through the manufacture and sale of engineered components including fasteners, seals, bumpers, and related assemblies.

Distribution channels1 record

Marketing channels4 records

Core offering

Metform is a manufacturing division of MacLean-Fogg that produces precision engineered components for industrial and automotive customers. The division operates two facilities in Illinois — Extrusion Sciences and Hotform — that perform plastic injection molding, insert molding, hot forging, precision CNC machining, welding, and light assembly to deliver fasteners, seals, bumpers, and other tight-tolerance metal and plastic components.

Product overview

Metform is a division of MacLean-Fogg, a fourth-generation family-owned American manufacturer founded in 1925 and headquartered in Mundelein, Illinois. Metform operates two specialized manufacturing facilities in Savanna, IL: Extrusion Sciences (ES) and Hotform. The division specializes in precision manufacturing processes including extrusion and hot forming/forging to produce high-strength components for automotive and industrial applications. Metform's product portfolio includes precision parts, fasteners, and related engineered components that serve as the foundational elements keeping American industry running. The manufacturing capabilities encompass tooling design, machining, and quality inspection to support production of tight-tolerance parts for demanding applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Hot Forged Components
• Precision Machined Parts
• Engineered Plastic Components
• Light Assembly Services
• Tool Design and Tooling

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• Weber Metals (a Howmet Aerospace company): Forged aluminum and titanium components for aerospace and industrial customers, with in-house machining and finishing — closely mirrors Metform's forged-components-plus-machining model.
• HHI Forged: Custom forged components producer with in-house machining serving automotive, industrial, and heavy-equipment customers — directly comparable metal forming and downstream finishing capability.
• Ajax Manufacturing: Custom metal stamping, forging, and machining for automotive and industrial OEMs — comparable in process scope (forging + secondary operations) and customer mix to Metform.
• Scot Forge: Custom open-die and closed-die forging producer serving industrial, aerospace, and power-generation markets with forged components and rough/finished machining — directly comparable to Metform's hot forging and machining capability.
• Trenton Forging: Custom impression-die forging and machined components for automotive, industrial, and agricultural markets — closely comparable forged-components supplier serving similar end-markets.
• Anchor Harvey (Pro-Fab): Forged and machined aluminum components for automotive and industrial OEMs with integrated CNC machining — comparable custom-forging-plus-machining scope.
• Stellex Industries: Precision forging and machining for aerospace, defense, and industrial markets with closed-die forging and finished-machined components — closely aligned custom forging peer.
• MFG Inc: Diversified contract manufacturer of custom metal and plastic components, including molded, machined, and assembled parts — overlaps with Metform's multi-process, B2B contract manufacturing model.

Broad incumbents

• Precision Castparts Corp: Large diversified manufacturer of forged, cast, and machined metal components across aerospace, power, and industrial — broader incumbent with overlapping forged/machined components capabilities.
• Nucor Corporation: Largest US steel producer with downstream metal products including fasteners and cold-finished components — broad incumbent in the metal manufacturing space relevant to Metform's component supply chain.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/macleanfogg
• Facebookfacebook.com/MacLeanFogg
• LinkedInlinkedin.com/company/metform-mfcs

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Metform, L.l.c.