Our Injection Molding Process
Tell Us What You Need
Share your drawings, CAD files, or prototype ideas. We’ll review and provide a detailed quote for tooling and production.
Design Review
We evaluate your part’s moldability and suggest refinements to improve strength, function, and cost-efficiency.
Sample Production
We manufacture your mold and produce first-run samples (T-1). Once approved, we complete finishing work, such as texturing or polishing.
Full Production
Your mold is tested, prepped, and run in our facility. After a final inspection, we move to full-scale production and ship directly to your Oakland location.
Let’s Get Started
Looking for a regional injection molding partner with reliable turnaround and responsive support? Tamarack Industries provides custom plastic parts that meet your needs, on time, with no minimum order requirement.
Why Work with Tamarack for Injection Molding in Oakland?
Custom Part Quantities
Whether you need a handful or thousands, we create reliable, repeatable parts.
Full-Service Capabilities
We provide more than molding, including:
- Design support
- Mold design and validation
- Secondary services such as trimming, assembly, and welding
Flexible Mold Sizes and Shot Capacity
Our presses range from 25 to 500+ tons, with shot sizes from 1 gram to over 2,200 grams, allowing us to mold small precision components and larger industrial parts.
Industries We Serve in Oakland

Technology & Electronics
Components for devices, housings, and accessories

Food & Beverage
Packaging components and plastic parts

Industrial & Manufacturing
OEM and replacement parts for machinery

Logistics & Packaging
Protective packaging, core plugs, and transport components

Clean Tech & Energy
Durable parts for sustainable systems and equipment
How Much Does Injection Molding in Oakland Cost?
Your project cost depends on:
- Order Size – Larger runs reduce per-unit costs
- Complexity – More detailed parts require additional tooling and setup
- Dimensions – Smaller parts run faster and cost less per unit
- Material Selection – Options include ABS, nylon, HDPE, polypropylene, acetyl, and more
Request a quote for pricing specific to your part design and quantity.
Frequently Asked Questions
We work with ABS, nylon, HDPE, polypropylene, acetyl, and more—utilizing recycled plastics whenever possible.
Yes. Although larger quantities do reduce your per unit cost, we don’t require minimums.
Both—we serve businesses throughout Oakland and the greater Bay Area.
Timelines vary by mold complexity, but regional clients benefit from faster turnaround times than overseas production.
Yes. Your part design will go through DFM (Design for Manufacturing) prior to tooling, which will offer any suggested changes to ensure your design is moldable.