In-House Testing

Gives You a

Higher Quality Product

Materials Testing

Reduce Set-Up &

Adjustment Time

& Minimize Scrap


Expert Engineering

Assures Superior

Extrusion Tooling





In The US


Extrusion Tooling... on the Leading Edge of Technology

America's Most Innovative Plastic Extrusion Tooling Designer & Manufacturer

Guill is the leading Extrusion Tooling Designer & Manufacturer with nearly 60 years of experience. Our engineers specialize in  plastic extrusion tooling design, utilizing the most advanced technology currently available. We draw on our years of experience to tailor tooling and die design for your industry, helping you increase efficiency and decrease production cost when operating your plastic extruder. From extruding PVC pipe to complex profile co-extrusion, we are committed to helping you produce the best end product possible. 

Are Challenging Extrusion Projects Wasting Your Resources?


We offer the most extensive line of extrusion tooling in the industry, providing you with many solutions.


Our extrusion and defense divisions share the same high standard of quality, producing tooling manufactured in the USA.


Our innovative tooling designs focus on providing less down time, so your production is at maximum capacity.

Our Sales Engineers Are Available to Help You

Empowering you to do what you do BEST... Efficiently Effectively Profitably

Expertise, Excellence & Engineering Solutions

Your End Product is Our Priority

Our goal is for your customer to be happy and your line to run as smoothly and efficiently as possible. Our unique qualifications along with a skilled and talented staff provide you with partners to help make that happen.

Backed by Experience

Our longtime work across many plastics industries has resulted in many years of diverse extrusion experience. At Guill, we have mastered the tightest tolerances needed for producing everything from the smallest, most precise medical tubing to the largest, rugged under sea pipe and cable. As a result, we have the most extensive line of tooling in the industry and know how to solve the toughest challenges of the extrusion process.

Dedicated to Quality

We care about quality in everything we do, and we know you do too. Because our quality standards are driven by our defense division, our entire facility enjoys the benefits of maintaining rigorous standards across our extrusion and defense divisions. As a result, we have held ISO 9001:2015 along with other certifications to ensure excellence.

Eye on ROI?

See How We Can Help You


From Concept through Engineering to Manufacturing

Guill excels in solving the most difficult challenges of the plastic extrusion process, all through our engineering and manufacturing expertise and commitment to excellence.

Contact our sales engineers today to discuss your latest projects.


Our team of sales engineers work closely with you to identify your needs.


Our expert’s years of experience allow them to work with your custom needs to help improve the extrusion process. We specialize in precise plastic extrusion calculations, resulting in a keen sense of what tooling will help you do your best work.


Your tooling will be manufactured following the same quality standards required by our government division.

Extrusion Expertise Is Here For You



Designing and manufacturing outstanding custom extrusion tooling is our priority.


We are committed to be the most cost efficient manufacturer while adhering to a continuous improvement quality management system.

Materials Testing

Your material's flow characteristics can be tested in-house, giving our engineers the information they need to design your tooling and ensure a perfect product is extruded.


Our extrusion and defense divisions share the same high standard of quality.

We're Hiring!

Click Here For Employment Opportunities at Guill

Did You Know

In the News

New Low-Volume Medical Extrusion Tooling Now Available from Guill Tool

The MicroFlow spiral, a new ultra-low volume stainless steel crosshead design for multi-layered, thin wall extrusion accuracy is now fully adaptable to all extruders and available for OEM and medical fluoropolymers. A balance flow design offers effortless assembly and disassembly of the crossheads, the spiral core is 0.375 of an inch and the maximum product size is 0.500 of an inch.

Extrusion Tooling Maintenance Yields Financial Benefits

Extrusion Tooling Maintenance Yield Financial Benefits

Guill Offers Medical Machining and Fabricating Manufacturing Services

West Warwick, RI: For over 55 years, Guill Tool has been providing tooling for the aerospace, extrusion, medical, consumer and…

Higher Balanced Material Output for Larger Wall PE Pipes

Model 2030 Saves thousands of dollars in waste with tight tolerances and optimum consistency

New Guill Series 819 EZ, Fast and Easy to Clean

A one-piece tooling body enables quick access to eliminate material residue and minimizes tooling downtime.

Guill Tool Launches In-House Rheology Lab

Guill Tool, manufacturers of extrusion tooling for the global market, has opened an in-house rheology laboratory, making it the only extrusion tooling manufacturer in the industry with such a capability. Seeking to obtain better results and minimize the time it takes between testing and production, Guill built its own rheology lab in their facility in West Warwick, Rhode Island, USA.
All News
Upcoming Events

Plastics Extrusion World Expo 2023

November 15, 2023 - November 16, 2023

Extrusion 2023

October 10, 2023 - October 12, 2023

IWCS 2023

September 17, 2023 - September 20, 2023
Case Studies

Crosshead with Emitter Cool Tube & Cart

Crosshead with Emitter Cool Tube & Cart     Guill Tool & Engineering is a recognized leader in the Design…

Tray Cable

725 Series Co-Extrusion Crosshead for Tray Cable   Customer Focus With this project we partnered with the customer to convert…

Increasing Manufacturing Efficiencies

Increasing Manufacturing Efficiencies Problem  While legacy extrusion crossheads yielded suitable product, setup was tedious and time-consuming.   Solution  Guill’s Single-Point concentricity…
All Case Studies

Your Extrusion Tooling Designer & Manufacturer

Contact us today to find out how we can help you optimize your extrusion process. Our Sales Engineers are happy to discuss your next project with you.