Custom Injection Molding Services

Fast Turnaround. Full-Service Production.
No Minimums.

Tamarack Industries provides high-quality, custom plastic injection molding to businesses in the northwest and across the nation.

Based in Yakima, WA, we deliver fast, affordable service to manufacturers and innovators—without the delays or added costs of overseas suppliers.

Request a Quote

Our Injection Molding Process

1
Tell us what you need
Send us your part drawing, prototype, or design idea. We’ll review and provide a detailed quote for tooling and production.
2
Design Review
Together with our mold-building partners, we’ll assess the part for moldability and make any improvements needed to ensure reliable performance.
3
Sample Production
We’ll build your mold and produce initial T-1 samples. Once approved, we finalize the mold with polish and texturing.
4
Full Production
We inspect, prep, and run your mold in our facility. After a final sample check, we begin full-scale production.

Let’s Get Started

1 Reach out to our team and tell us about your needs.
2 We’ll get you a free quote.
3 Our team will start working with your design.

Why Work with Tamarack
for Injection Molding?

Custom Plastic Injection Molding

We work with new product designs or existing molds to produce durable, consistent parts. Whether you need 10 units or 10,000, we’ll help you get the right results with no minimum order.

Full-Service Capabilities

Beyond injection molding, we also offer:

Part design and prototyping
Mold design and testing
Secondary operations such as assembly, welding, and drilling

Flexible Mold Sizes and Shot Capacity

Our presses range from 25 to 500+ tons, with shot capacities from 1 to 2,267 grams—allowing us to create everything from tiny components to larger-format parts.

Quality Compliance

All molding and production is handled in-house at our Yakima, WA facility. You’ll get domestic manufacturing with shorter lead times, clear communication, and easy shipping across the country.

Check Out Our Reviews

Stephanie Moore

★★★★★

Meier's Wine Cellars, Cincinnati, OH

VINPAK

I love the boxes and inserts. Haven’t had a damaged order yet, and the wine arrives looking great. My customers love the packaging – looks professional.

Stef Vollmer

★★★★★

Truthteller Winery, Woodinville, WA

VINPAK

We greatly appreciate the reliability VinPak has given us. Knowing that our wines will arrive safely and look great when they get there is priceless. Thank you for everything you do for us.

Montebello Plastics

★★★★★

Montebello, CA

ROLL CRADLES

Tamarack provides the cradles used by our packaging system. They are efficient for packaging bottles securely, reducing waste, and improving delivery times. CradlePak has made our shipping process more efficient.

Alison Thompson

★★★★★

Prairie Berry Winery, Hill City, SD

VINPAK

The VinPak inserts are such a Godsend because they are reliable, convenient, and very cost effective. Not only do they allow us to ship wine without worry of damage, but they also present our brand in a very professional way.

Robbi Ebel

★★★★★

Gramercy Winery, Walla Walla, WA

VINPAK

I have used VinPak before and they do a great job. The finished package looks fantastic and represents our winery very well

Manhasset Specialty Co.

★★★★★

Yakima, WA

CUSTOM INJECTION MOLDING

Manhasset stands have supported music performers worldwide since 1935. Tamarack Industries provides the plastic components used in the stands, helping to continue the tradition for over 85 years.

Read all reviews

Industries We Serve

Manufacturing & Shipping Supplies

Core plugs, roll cradles, protective caps

Agriculture & Food Production

Parts for harvesting, irrigation, and the food industry

Industrial & Heavy Machinery

Components for OEMs and replacement parts

Sporting Goods

Durable plastic parts for outdoor and performance equipment

And More

We can manufacture custom-molded parts for almost any industry.

Reach out to us with your part or idea to see how we can help.

Tamarack employee working with injection molding

Injection Molding Pricing Factors

Our pricing depends on several factors:

Quantity: Larger runs usually offer better per-unit pricing
Complexity: Simpler designs tend to be less costly than more intricate parts
Part Size: Smaller parts typically cost less due to shorter cycle times
Material Selection: We offer ABS, nylon, HDPE, PP, acetyl, and other thermoplastics

Contact us for a quote based on your part design and production goals.

Where We Work

Tamarack Industries provides custom injection molding to clients nationwide. We serve businesses across the U.S., including:

Washington

Oregon

California

Our Commitment to Sustainability

Environmental responsibility is built into every part we make. Tamarack Industries:

Uses U.S.-based production to reduce overseas emissions
Incorporates recycled plastics whenever possible
Designs for long-lasting durability and reusability
Supports regional supply chains to reduce environmental impact

Our story

Make Tamarack Your
Injection Molding Partner

Ready to work with a reliable, U.S.-based injection molding company?
Tamarack Industries offers custom plastic manufacturing with fast delivery,
no minimums, and exceptional support.

Get a Quote

Frequently Asked Questions

What plastics do you use for injection molding?

We work with a variety of materials, including HDPE, polypropylene, ABS, nylon, and acetyl, with options for recycled content.

Custom Injection Molding Services

Fast Turnaround. Full-Service Production.
No Minimums.

Our Injection Molding Process

Tell us what you need

Design Review

Sample Production

Full Production

Let’s Get Started