Guill Tool & Engineering

What Guill Tool & Engineering does

Guill Tool & Engineering Co. Inc. is a privately held US designer and manufacturer of precision plastic extrusion tooling, founded in 1962 and headquartered in West Warwick, Rhode Island. The company produces crossheads, in-line heads, rotary heads, custom heads, and a full line of tips, dies, flanges, breaker plates, heaters, and accessories used to extrude polymers across multiple industries including medical tubing, wire and cable, automotive, industrial pipe and hose, irrigation, defense and aerospace, and wood composite applications. Its core intellectual property centers on the patented Single-Point concentricity adjustment system (0.008" precision per revolution), the Cam-Lock fastener-free assembly system, the UNICAM crosshead combining both, and the 900 Series Spiderless Pipe Die for large-diameter pipe production.

Guill operates two wholly owned subsidiaries: Guill Defense, providing AS9100:2016 and ITAR-certified precision machining and SUBSAFE Level 1 components for the US naval submarine industrial base, and Guill Tool Europe, providing regional sales coverage across Europe. In 2023 the company launched Guill Labs, an in-house rheology and test extrusion facility offering commercial materials testing services, which is differentiated among extrusion tooling OEMs. The company manufactures exclusively in the United States under ISO 9001:2015, AS9100:2016, MIL-I-45208A, MIL-STD-45662A, JCP, ITAR, and NIST SP800-171 certifications.

Revenue is generated primarily through one-time custom tooling sales quoted via an RFQ process, supplemented by aftermarket replacement parts and accessories, commercial rheology lab services, engineering consulting, and operator training. Distribution is sales-led and hybrid: direct sales engineers at headquarters work with enterprise customers, supplemented by a global network of independent sales representative firms (for example JCM Plastics Machinery covering the Southeastern US), a European sales office, and an online RFQ/Quick Quote workflow. Go-to-market is reinforced by active participation in premier industry events (K Show in Düsseldorf, NPE in Orlando, Extrusion 2026, Global Polymer Summit) and a technical content strategy including online calculators, industry literature, and educational resources. Recent product launches (UNICAM crosshead in 2024, Reciprocating Head and Spiderless Pipe Die in 2025), a March 2026 sales leadership hire, and US Department of Energy awards in 2023 and 2024 indicate ongoing reinvestment in product, geographic, and capability expansion.

Name

Guill Tool & Engineering

Legal name

Guill Tool & Engineering Co. Inc.

Website

https://guill.com

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

51–100 employees

Short description

Guill Tool & Engineering is a privately held US designer and manufacturer of precision plastic extrusion tooling—crossheads, tips, dies, and rotary heads—serving medical, wire and cable, automotive, defense, and industrial pipe OEMs globally from its West Warwick, Rhode Island facility since 1962.

Ownership category

akta.pro rank

Product category

Plastic Extrusion Tooling and Precision Machined Components

NAICS

Plastics Product Manufacturing (3261), Rubber and Plastics Hoses and Belting Manufacturing (326220), Resin, Synthetic Rubber, and Artificial and Synthetic Fibers and Filaments Manufacturing (3252), Spring and Wire Product Manufacturing (33261), Fluid Power Pump and Motor Manufacturing (333996), Rubber and Plastics Hoses and Belting Manufacturing (32622)

SIC

General Industrial Machinery & Equipment (3560), Machine Tools, Metal Cutting Types (3541), Bolts, Nuts, Screws, Rivets & Washers (3452), Cutlery, Handtools & General Hardware (3420)

akta.pro primary industry

Industrial Hoses & Tubing (Rubber/Elastomer) (IMANALAA)

akta.pro secondary industries

Plastic Film, Sheet & Profile Extrusion (IMANAOAD), Commodity Plastic Compounds (PE/PP/PS/PVC) (IMANABAA), Masterbatch Manufacturing (Color, Additive, White/Black) (IMANABAD), Extrusion Blow-Molded Containers (HDPE/PET Bottles & Jugs) (IMANAGAA), Seals, Gaskets & O-Rings (Industrial Elastomer) (IMANALAC)

Keywords

• Plastic extrusion tooling
• Extrusion crossheads
• Precision dies and tips
• Polymer processing equipment
• Tube and pipe extrusion

Headquarters

HQ city

West Warwick

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Extrusion Tooling Manufacturing: Design and manufacture of custom extrusion tooling including crossheads, in-line heads, rotary heads, and custom designs. Products are precision-machined and tailored to specific customer applications across multiple industries. Manufacturing occurs in-house at the West Warwick, RI facility.
2. Tips and Dies: Precision tips and dies manufactured with certified and documented quality steel material specifically qualified for the polymer to be extruded. Available for multi-lumen, stripe, wire and cable, hose, pipe, tube, fiber optic, and profile applications.
3. Replacement Parts and Accessories: Aftermarket sales of precision machined replacement parts, breaker plates, flanges, heaters, cooling jackets, clamps, carts, stands, and assembly/disassembly toolkits to support existing equipment.
4. Guill Labs Testing Services: Commercial rheology lab services and test extrusion capabilities offered to extruders, chemical formulators, and other industry participants. Includes material testing, extrusion trials, die cleaning, sample inspection, and end-product testing.
5. Consulting and Training Services: Engineering consulting for extrusion tooling selection, design concepts, care and cleaning. Training services including instructional manuals, on-site classes, and training videos for care and maintenance of extrusion tooling.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Guill Tool & Engineering designs and manufactures precision plastic extrusion tooling — including crossheads, in-line heads, rotary heads, tips, and dies — at its West Warwick, Rhode Island facility. The company serves industrial manufacturers across medical tubing, wire and cable, automotive, pipe, hose, and defense sectors with custom-engineered extrusion solutions, backed by in-house rheology testing (Guill Labs) and supporting engineering, manufacturing, and training services.

Product overview

Guill Tool & Engineering is a designer and manufacturer of plastic extrusion tooling with nearly 60 years of experience. The company offers a comprehensive product portfolio centered around extrusion crossheads (Crosshead, In-line Head, Rotary Heads, Custom Design) and precision tooling (tips, dies, and accessories). Key product lines include the 900 Series Spiderless In-line Dies, UNICAM™ Crosshead featuring Single-Point concentricity adjustment and Cam-Lock fastener-free assembly, Single-Point Concentricity Adjustment Crossheads, Reciprocating Heads, and Large Die Carts. The company also offers Guill Labs, an in-house R&D service combining rheology lab capabilities (rotational rheometer, scanning calorimeter, CT scanner) with test extrusion facilities. Supporting services include engineering, manufacturing, quality assurance, consulting, training, and process support. Products are manufactured in the USA under ISO 9001:2015 and AS9100:2016 certifications.

Differentiator

Problem solved

Functional benefit

Brands

• Guill Defense: Defense and government contract manufacturing division specializing in nuclear/naval submarine industry components including Level 1/SUBSAFE fittings, valves, flanges, and precision CNC machining.
• Guill Labs
• UNICAM
• Single-Point Concentricity
• Cam-Lock
• 900 Series Spiderless Pipe Die
• Bullet II

Products and services

• Crosshead Extrusion Tooling Plastic extrusion crossheads available in multiple series (400, 700, 800, 900) with configurations for pressure, sleeving, multi-layer, and specialty extrusion, used by industrial manufacturers across medical, automotive, wire and cable, pipe, hose, and packaging industries.
• In-line Extrusion Heads In-line extrusion heads designed for various tubing and pipe applications, featuring precision tooling for consistent quality output across industrial extrusion lines.
• Rotary Extrusion Heads Rotary extrusion heads that rotate tooling in relation to material flow to increase wall strength, allowing thinner walls with less material and randomizing gauge bands or thickness variations for improved end-product properties.
• Custom Extrusion Tooling Design Bespoke extrusion tooling designed and manufactured to customer specifications for unique applications across various industries, leveraging CAD, CAM, CFD, and FEA engineering tools.
• 900 Series Spiderless In-line Pipe Dies Spiderless pipe dies offering simplicity and fewer parts with split balanced flow, available in models 919-934 with core diameters from 0.437\" to 8.500\" and maximum die sizes up to 9.000\", designed for material and downtime savings in pipe extrusion operations.
• UNICAM Crosshead Revolutionary crosshead combining Single-Point concentricity adjustment with Cam-Lock fastener-free assembly, allowing quick disassembly in less than ten minutes with a half-turn of a wrench for color changes or cleanouts.
• Single-Point Concentricity Adjustment Crosshead Extrusion crosshead using micro-fine adjustment screws for precise concentricity adjustment reaching 0.008\" or finer per revolution, with one adjustment bolt controlling 360 degrees and a patented cam-lock deflector for quick changeovers.
• Reciprocating Extrusion Head Extrusion head with linear reciprocating assembly that changes tube profile within a given length without interruptions during the extrusion run, eliminating assembly operations and in-process inventory.
• Large Die Cart with Crosshead Die cart with high volume, adjustable center accumulating crosshead, with maximum thru core of 18\" and maximum die ID of 23\", featuring quadrant heating, integral alignment station, and on-the-fly catenary adjustment.
• Precision Tips and Dies Precision tips and dies including Face Seal Dies, Floating Dies, Shouldered Dies, Threaded Style Tips, Tapered Style Tips, Fixed Center Shoulder Tips, Single and Multi-Lumen Tips, Profile Tips, and Snap Together variants for multi-lumen, stripe, wire and cable, hose, pipe, tube, fiber optic, and profile applications.
• Guill Labs R&D and Materials Testing Services In-house extrusion, material, and product R&D services including a rheology lab with rotational rheometer, differential scanning calorimeter, thermal conductivity meter, CT scanner, and a test extrusion facility with Killion extruders, vacuum tank, laser gauge, and fluidized bath.
• Rheology Lab Commercial Testing Services Materials testing services measuring flow characteristics of plastics and rubber using a rotational rheometer, differential scanning calorimeter, thermal conductivity meter, and IM-8000 Series CT scanner for virtual tooling optimization.
• Engineering Design Services Expert engineering services for extrusion tooling design utilizing advanced technology (CAD, CAM, CFD, FEA) and decades of experience to tailor tooling and die design for specific industry needs.
• Precision CNC Manufacturing Services Precision CNC manufacturing including 5-axis machining centers, CNC turning, CNC milling, CNC grinding, and wire EDM capabilities for producing extrusion tooling and precision components.
• Medical Machining and Fabricating Services Precision machining for super alloys and exotic metals to close tolerances, with capabilities including small hole machining to 0.008\" diameter and machining material up to 15 inches in all axes.
• Guill Defense Precision Components Precision CNC machining and manufacturing of Level 1/SUBSAFE fittings, valves, flanges, and components for naval submarine programs, certified under AS9100:2016 with MIL-I-45208A, MIL-STD-45662A, ITAR, and NIST SP 800-171 compliance.
• Extrusion Tooling Consulting Services Expert consulting on tooling selection, efficient operation, tooling design concepts, and care and cleaning recommendations for extrusion operations.
• Operator Training Services Educational materials and training for extrusion line operators, including instructional manuals, plastic and aluminum models, training videos, and on-site classes covering care and cleaning of extrusion tooling.
• Process Support and Troubleshooting Services Technical support services to identify and resolve production problems associated with extrusion tooling performance, including on-site visits for hands-on assistance.
• Extrusion Tooling Accessories and Replacement Parts Supporting products for extrusion lines including adapters, breaker plates, carts and stands, clamps, cooling jackets, flanges (clamp style, hub style, twin screw), heaters (cartridge, bronze, mica, tubular), and assembly/disassembly toolkits.
• 10-Day Extrusion Tooling Program Expedited manufacturing program offering shipment of eligible tips and dies within 10 business days of receiving a purchase order, subject to size and material constraints.

Quantifiable outcome

• Material waste reduction of 11.8% achievable through proper tooling alignment and concentricity control
• +4 more outcomes

Named customers3 records

Segments7 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

Partnerships

One partnership is on record.

• JCM Plastics MachineryregionalChannel Partner/ Reseller/ DistributorSales representative firm located in Roswell, Georgia covering Southeastern US territory (North Carolina, South Carolina, Georgia, Tennessee, and Alabama). President/Owner Joseph Guigli brings nearly 20 years of industry experience from positions at Davis-Standard. Primary responsibility is selling extrusion product portfolio to existing and new customers.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• GENCA: U.S.-based manufacturer of extrusion crossheads, dies, and tooling for plastic and rubber processing. Directly competes with Guill in the same product category, serving wire & cable, medical tubing, and pipe producers with custom-engineered extrusion tooling.
• Canterbury Engineering: U.S. manufacturer of plastic extrusion tooling including crossheads and dies. Directly comparable to Guill as a specialty extrusion tooling designer serving similar medical, industrial, and consumer tubing customers.

Broad incumbents

• Davis-Standard: One of the largest global suppliers of extrusion systems and converting equipment, serving film, fiber, pipe, and profile markets. While Davis-Standard sells complete lines rather than standalone tooling, its offerings overlap with Guill's components and the two are often specified together.
• KraussMaffei: German-based global incumbent in polymer processing machinery, including extrusion systems for plastics and rubber. Offers overlapping extrusion tooling capabilities as part of a much broader machinery portfolio serving automotive, packaging, and construction customers.
• Reifenhäuser Group: Leading European manufacturer of extrusion lines for plastics processing, with strong presence in blown film, cast film, and nonwoven applications. Competes with Guill indirectly via integrated tooling offerings on its extrusion systems.
• Battenfeld-Cincinnati: Specializes in extrusion technology for pipe, profile, sheet, and compounding. A broader incumbent whose tooling and die offerings overlap with Guill's specialty in extrusion heads and dies for similar pipe and profile customers.
• Bausano: Italian extrusion line manufacturer serving pipe, profile, and compounding markets. While primarily a systems supplier rather than a tooling specialist, Bausano's extrusion heads and dies compete for similar customer projects as Guill.
• Macro Engineering & Technology: Canadian manufacturer of blown film extrusion lines and related tooling. A broader extrusion systems incumbent whose film and specialty tooling overlaps with Guill's wire & cable, packaging, and specialty film customer base.
• Processing Technologies International (PTI): U.S.-based supplier of compounding and extrusion systems with tooling capabilities. Competes with Guill indirectly in cast film, sheet, and coating applications where extrusion heads and dies are specified alongside complete lines.

Regional players

• Theysohn Extrusionstechnik: German-based specialist in extrusion tooling and dies for profile and pipe applications. Directly comparable to Guill's tooling focus but primarily serves European customers with limited overlap in U.S. defense and medical segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/guilltool
• YouTubeyoutube.com/channel/UCxQHlKpOj9-NOcLr1RSDLCQ/videos
• Facebookfacebook.com/GuillTool
• LinkedInlinkedin.com/company/guill-tool-&-engineering-co.

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries2 records

Funding overview

Funding rounds2 records

Investors1 record

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 Guill Tool & Engineering