Since 1973
A Prototype Company Built for Speed
What's your next big idea?
Upload your drawings and get a custom quote in a few hours.
What's your next big idea?
Upload your drawings and get a custom quote within a few hours. Get started →
Leader of the pack
50 Years of Innovation
When innovative ideas meet mission-critical deadlines, GTR ProtoPlus is the metal prototyping company that fulfills the need for speed.
For decades, our parent company, GTR Manufacturing has been leading the industry in precision sheet metal fabrication. To serve a growing demand for prototypes to be crafted faster and of superior quality, GTR ProtoPlus was born—with a laser focus on doing just that.
Based just outside of Boston, MA, our clean, modern manufacturing facility is outfitted with the latest technology and equipment. Our tight-knit team is comprised of a highly-skilled group of seasoned engineers committed to harnessing their expertise to eliminate common production errors and delivering a superior product—the first time.
And when you’re ready to take your prototype to finished product, we are uniquely positioned to seamlessly offer both small- and large-scale manufacturing production through GTR Manufacturing.
We’re Different
These hallmarks are what make us the industry-leading metal prototyping company.
Unparalleled Craftsmanship
Our foundation of manufacturing excellence renders us uniquely qualified to convert your designs into the highest quality, precision prototypes.
Unprecedented Speeds
Our promise includes fast quotes and lightning speed production in order to satisfy your necessary level of urgency. Take your drawings to delivery in days, not weeks.
Engineering Expertise
Our tight-knit team is comprised of a highly-skilled group of seasoned engineers committed to harnessing their expertise to eliminate common production errors and delivering a superior product—the first time.
Partners, Not Advisors
When the time comes to bring your next big idea from concept to proof, the manufacturer plays a critical role in the overall project success. Your ingenuity will be supported by a production team that reveres your project as if it were their own and puts your satisfaction at the forefront of all of our efforts.
Single-Source Solution
We produce low-volume, precision sheet metal prototypes. Post-prototype development, we are position to manufacture large scale orders through our parent company, GTR Manufacturing.
We’re Different
These hallmarks are what make us the industry-leading metal prototyping company.
Unparalleled Craftsmanship
Our foundation of manufacturing excellence renders us uniquely qualified to convert your designs into the highest quality, precision prototypes.
Unprecedented Speeds
Our promise includes fast quotes and lightning speed production in order to satisfy your necessary level of urgency. Take your drawings to delivery in days, not weeks.
Engineering Expertise
Our tight-knit team is comprised of a highly-skilled group of seasoned engineers committed to harnessing their expertise to eliminate common production errors and delivering a superior product—the first time.
Partners, Not Advisors
When the time comes to bring your next big idea from concept to proof, the manufacturer plays a critical role in the overall project success. Your ingenuity will be supported by a production team that reveres your project as if it were their own and puts your satisfaction at the forefront of all of our efforts.
Single-Source Solution
We produce low-volume, precision sheet metal prototypes. Post-prototype development, we are position to manufacture large scale orders through our parent company, GTR Manufacturing.
We serve engineers, mechanical designers, NPI buyers, inventors, innovators, and entrepreneurs alike. From start-ups to Fortune 500 companies in the medical, robotics, and hi-tech industries, we produce low-volume, precision sheet metal prototypes that are 40″ x 48″ or smaller.
Quotes Within Hours
Delivery Within Days
Scalable for Tomorrow
Together, We All Win
By committing to quote each order in 24 hours or less, and delivering the highest quality prototypes to your desk in days, we solve an aching problem for our innovator clients who need their mock-up now and need it done right. Our in-house engineer-operators are skilled mechanics who personally oversee every step of your project to proactively avoid untimely mistakes before they happen.
Using state-of-the-art manufacturing technology and a streamlined processes, our crew takes great pride in their work in order to produce top quality prototypes and ensure their reliable, on-time delivery. Once your prototype has been developed, we’ll help you take it to market with our small- and large-scale manufacturing capabilities.
We act as a project partner with our clients to help them meet mission-critical deadlines and deliver prototypes that look and perform according to their unique (and precise) specifications.
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Testimonials
"We sought a true partnership with a team that could contribute to the engineering process and present innovative ideas. We ship world-class products and do so with confidence and agility thanks to the support we receive from GTR ProtoPlus."
"Hawt diggity dog! Fabulous, absolutely fabulous! We want to send a massive thanks to the GTR ProtoPlus crew for their quick-turn service. There are going to be some very happy team members tomorrow."