What Zeman Mfg does

Zeman Manufacturing Company is a fourth-generation, family-owned precision metal tube fabricator founded in 1936 and headquartered in Lisle, Illinois. The company operates a 42,000 sq ft manufacturing facility staffed by approximately 30 team members, providing custom small-diameter, high-performance metal tube components to OEM and tier-supplier customers across 17+ verticals including medical devices, aerospace, defense, transportation, automotive, HVAC, food and beverage, energy, marine, agriculture, laboratory, and industrial equipment. Its core manufacturing capabilities span CNC tube bending (CRIPPA 1042E, BLM SMART Bender, UNISON 40MM/50MM all-electric servo-driven machines), CNC tube cutting (BLM LT7/LT Fiber Lasers, Tridex CS1E ECM), CNC tube machining (Haas VF-4/VF-4SS mills, Haas ST-20Y lathe), end forming and shaping (Proto-1 RFM6-DBL-AA, Torrington 211 Swager, Wauseon 1003), tube joining and assembly (TIG, MIG, spot welding, brazing), feature fabrication, finishing and coating, and closed-loop inspection (AICON TubeInspect P16, Fowler Baty R400). Zeman holds ISO 9001:2015 and ISO 13485:2016 certifications and is ITAR registered, supporting qualification with regulated medical, aerospace, and defense buyers.

The company monetizes exclusively through custom contract manufacturing: customers submit RFQs via website, email, or phone, the sales and engineering teams review specifications for manufacturability, and a custom quotation is issued. Pricing is not publicly disclosed and is determined per project based on materials, complexity, volume, and required processes, with quotes valid for approximately 30 days and standard Net 30 payment terms upon shipment. The go-to-market motion is direct enterprise and mid-market field sales with no use of distributors or third-party channels. The company follows a four-stage engineering-first custom product development process (Definition, Product Design, Process Development, Validation) supporting both prototyping and full-scale production, leveraging an in-house tool room for fixturing and custom features.

Technically, Zeman differentiates on precision and tolerance control — routinely achieving bend angle tolerances of ±0.350° versus an industry-standard ±0.5°, and cut-length tolerances of ±0.003" — enabled by the integration of AICON TubeInspect P16 optical measurement with its CNC benders for closed-loop quality control. The 90-year operating history, multi-generational family ownership, long-tenured technical staff, and ITAR/ISO 13485 qualifications form the foundation of its defensibility in regulated, tight-tolerance custom tube work.

Name

Zeman Mfg

Legal name

Zeman Manufacturing Company

Website

https://zemanmfg.com

Company type

Private

Founded year

1936

Operating status

Operating

Headcount range

11–50 employees

Short description

Zeman Manufacturing Company is a fourth-generation, family-owned precision metal tube fabricator founded in 1936 in Lisle, Illinois, serving medical, aerospace, defense, and industrial OEMs with tight-tolerance custom tube bending, cutting, machining, and inspection services.

Ownership category

akta.pro rank

Headquarters

HQ city

Lisle

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Metal Tube Fabrication Products: Zeman generates revenue through custom fabrication of precision metal tubes to customer specifications. The company accepts RFQs with custom specifications, builds products to agreed-upon designs, and ships completed components. Revenue is realized upon shipment with payment terms of Net 30 days.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Zeman Manufacturing Company is a precision custom metal tube fabricator that produces small-diameter, high-performance tube components to customer specifications. Its core offerings span CNC tube bending, CNC tube cutting (laser and electrochemical machining), CNC tube machining, end forming and shaping, tube joining and assembly, tube feature fabrication, finishing and coating, and tube inspection. The company sells directly to OEMs and tier suppliers in medical, aerospace, defense, transportation, and industrial sectors via a formal RFQ/quotation process, shipping finished components from its Lisle, Illinois facility.

Product overview

Zeman Manufacturing Company is a precision metal tube fabrication company offering a comprehensive portfolio of integrated manufacturing capabilities. The core offerings include CNC Tube Bending, CNC Tube Cutting, Tube Joining & Assembly, End Forming & Shaping, CNC Tube Machining, Tube Feature Fabrication, Tube Finishing & Coating, and Tube Inspection - all supported by an engineering-first Custom Tube Fabrication Process. These capabilities are applied across diverse industries including Medical, Aerospace, Defense, Marine, Transportation, Automotive, Agriculture, HVAC, Food & Beverage, Electrical, Industrial, Heavy Equipment, Powersports, Furniture, and Laboratory sectors. Founded in 1936, the company operates from a 42,000 sq ft facility in Lisle, IL with approximately 30 team members.

Differentiator

Problem solved

Functional benefit

Products and services

• CNC Tube Bending All-electric CNC tube bending using CRIPPA 1042E, BLM SMART Bender, and UNISON 40MM/50MM machines to produce tight-radius, compound, and multi-plane bends in small-diameter metal tubes up to 2" diameter, for OEMs and tier suppliers in medical, aerospace, defense, and industrial sectors.
• CNC Tube Cutting Precision 5-axis laser tube cutting (BLM LT7, BLM LT) and electrochemical machining (ECM, Tridex CS1E) of metal tubes, achieving ±0.003″ cut length tolerances with burr-free, stress-free cuts suited to heat-sensitive and medical-grade materials.
• CNC Tube Machining CNC milling and turning of precision tube features using Haas VF-4 and VF-4SS vertical mills and a Haas ST-20Y lathe with live Y-axis tooling, producing milled slots, flats, notches, grooves, tapers, and internal features to tight tolerances.
• End Forming & Shaping Tube end forming services — including flaring, flanging, swaging, tapering, rotary swaging, and ram forming — performed on Proto-1 RFM6-DBL-AA, Torrington 211 Swager, and Wauseon 1003 machines to create concentric shapes, flares, reductions, and durable transitions in stainless and specialty alloys.
• Tube Joining & Assembly Welding (TIG, MIG, spot), brazing (torch and induction), mechanical assembly, press fitting, and kitting of multi-component tube systems in stainless steel, aluminum, and nickel alloys for OEM customers.
• Tube Feature Fabrication Custom tube feature fabrication including tube punching (holes, slots, shapes), wire forming, stamping, and integration of features such as dimples, tabs, and slots directly into tube profiles.
• Tube Finishing & Coating Surface finishing and coating services for fabricated tubes, including deburring, electropolishing, cleaning, powder coating, plating (nickel, chrome), and specialty coatings to meet corrosion-resistance and aesthetic specifications.
• Tube Inspection Inspection services for fabricated tube components using AICON 3D Systems TubeInspect P16 optical measurement (16 high-resolution images to generate 3D models in seconds), Fowler Baty R400 optical comparator, pressure testing, and non-destructive testing (NDT) to verify dimensional accuracy and conformance.
• Custom Tube Fabrication Process (Engineering Service) Four-stage custom product development service covering Definition, Product Design, Process Development, and Validation, with in-house tooling, design-for-manufacturability analysis, and support from prototype through full-scale production for OEM customers.

Quantifiable outcome

• Bend angle tolerance of ±0.350° routinely achieved, tighter than industry standard of ±0.5°
• +2 more outcomes

Segments17 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Bison Stainless Tube: Bison Stainless Tube is a precision stainless steel tubing producer serving industrial and instrumentation customers, comparable to Zeman in tight-tolerance, small-diameter tube offerings.
• MicroGroup: MicroGroup is a precision small-diameter metal tubing and fabrication house serving medical, aerospace, and industrial OEMs with custom tube components, closely overlapping Zeman's core bending, cutting, and end-forming capabilities.
• K-Tube Corporation: K-Tube manufactures precision small-diameter stainless steel and specialty alloy tubing for medical, aerospace, and analytical instrument customers, mirroring Zeman's regulated-vendor positioning and tight-tolerance value proposition.
• Accu-Tube Corporation: Accu-Tube produces precision stainless steel and high-nickel alloy tubing for medical device and industrial applications, competing directly with Zeman in tight-tolerance, small-diameter fabricated tube work.
• Superior Tube Company: Superior Tube is a long-established precision stainless steel and specialty alloy tubing manufacturer serving aerospace, medical, and nuclear markets — a direct functional peer to Zeman in small-diameter, high-tolerance tubing.
• Vita Needle Company: Vita Needle is a precision medical needle and small-diameter tubing manufacturer with custom fabrication and tight-tolerance capabilities for medical OEMs, highly comparable to Zeman's medical device tube work.
• Rathbone Precision Metals: Rathbone Precision Metals manufactures precision cold-drawn metal shapes, profiles, and tubing for industrial and medical applications, overlapping Zeman's specialty small-diameter metal fabrication niche.

Broad incumbents

• TW Metals: TW Metals is a large, multi-site metals distributor and value-added processor serving aerospace, medical, and industrial OEMs — a broader incumbent with overlapping tube fabrication and finishing services across a wider geography.
• Penn Stainless Products: Penn Stainless is a stainless steel plate, sheet, bar, and tube supplier and processor with fabrication-adjacent services, operating as a broader incumbent in the same material ecosystem as Zeman.

Others

• SS Tube (Stainless Shapes & Co): Stainless Shapes & Co is a specialty stainless steel shapes and tube supplier serving similar industrial and architectural customers as Zeman; an adjacent materials provider rather than a direct fabricator.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks2 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@zemanmfg
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• LinkedInlinkedin.com/company/zeman-manufacturing-company
• Instagraminstagram.com/zemanmfg

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Zeman Mfg