Injection Molding Services

    We offer forty+ years of highest quality plastic molding production, assembly, packaging, storage and distribution to a wide variety of industries. Though that’s not the best...


    An Essential Business

    JATCO, Inc.’s Modesto, California, location is an Essential Business.  Our operations support companies who supply products crucial to the continuity of healthcare and...

JATCO, Inc. a Plastic Manufacturer in Bay Area California, is an Essential Business (learn more ).

JATCO, Inc.’s Modesto, California, location is an Essential Business, one of the key California plastic injection molding companies.  Our manufacturing facilities in California and South Carolina are open.  Click here to learn more.

Custom Plastic Injection Molding Services for Any Business

With over forty years of solid and successful custom plastic injection molding experience with an amazing range of solutions for any plastic project, we are the go-to plastics manufacturer for any company. We are a bi-coastal injection molding Bay Area company with a secondary presence in Greenwood South Carolina.

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How do you survive over 40 years in a highly competitive industry, flooded with cheap foreign plastic producers while winning the trust of companies like Tesla, VELUX and SONY?

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With direct rail line service and proximity to Interstate 80 and the Port of Oakland, we can expedite your product via UPS, Fed Ex, truckload, LTL, air freight and ocean container to any location worldwide, when you need it. Our Modesto injection molding plant offers global distribution to make sure your products get to your markets when you need them.

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JATCO Incorporated is a plastic injection molding expert whose focus is to offer high quality products -AND- value added services and solutions to help you handle packaging, warehousing, distributions and much more.

JATCO, Inc., Your Custom Plastic Injection Molding Partner

At Jatco, we put the customer first. This philosophy is reflected throughout our entire organization, with passion and dedication to ensure that we can bring your vision to life.

Here at Jatco, we bring over 40 years of production experience in the plastic molding industry. Our company offers high quality products, fast turnaround, packaging, warehousing, and distribution, all at an affordable cost. Equipped with cutting edge technology and ANAB certification, we have been a trusted production partner by firms such as SONY, Tesla, Life Technologies, VELUX, and many more.

We are that firm.  We bring over 40+ years of production experience to the table, offer the rare ANAB certification, and have been a trusted production partner by firms such as SONY, Tesla, Life Technologies, VELUX and many more.

Give us a call at 510-487-0888 or talk to a representative here for any questions, comments, and concerns.

Inside of JATCO plastic molding company who offers everything from production to packaging, storage and shipping.

Over 40 Years of Plastic Molding Experience Gives You…

sample of our custom plastic injection molding projects

Full Services – Comprehensive offerings include product design, engineering, tooling, molding, die casting, metal stamping, assembly, painting, packaging, warehousing, distribution and more.
Expertise and Vision – Old world craftsmanship is combined with cutting-edge technology and a passion to solve your toughest manufacturing challenges.  We’ve done it all, so if you’re bouncing around from one company to another due to a very complex project, lets talk.
Educated Service Team– Every employee of Jatco has up to the minute project information and a drive to help you succeed. Our team members aren’t only trained in doing one part well, they are trained in understanding the main-goal of each clients projects. We operate 24 hours a day, 7 days a week on two continents.
Efficient Market Deployment – Our experience, modern facilities, cutting-edge technology and superior transportation add up to faster product delivery.  We are right next to one of the largest global seaports and a train yard ready to distribute your products just about anywhere.

Visit JATCO'S Other Sites

Visit our other web sites.  We not only do custom plastic injection molding, but we also run two product lines which are…

TestCylinderMolds, manufactures test cylinders, corner guards, post tension chairs and more.
Plantway manufacturer of seedling trays and more.

JATCO takes immense pride in its expertise in manufacturing high-quality concrete cylinder molds. We specialize in producing top-notch concrete test cylinders that meet the rigorous standards of the construction and engineering sectors. Our molds are meticulously crafted to ensure precision and accuracy in every measurement, making them ideal for conducting crucial concrete strength tests.

One of the unique aspects of our concrete cylinder molds is the wide array of test cylinder colors and sizes we offer. We understand that different projects have varying requirements, and our diverse selection allows our customers to find the perfect fit for their specific needs. Whether you need standard-sized molds or custom dimensions, we have the flexibility and capability to accommodate your requests. Additionally, our efficient shipping services ensure that our high-quality concrete cylinder molds reach customers anywhere in the United States and Canada, making JATCO a reliable partner for projects nationwide.


What is Mold Classification and Why Is It Important? – learn more about the different types of plastic injection molds and what jobs each one is optimal for.

What is Overmolding? – Learn more about what overmolding is, when it’s best to use and how overmolding is done.