Expert Plastic Molding Services You Can Trust

Finding the right partner for your plastic injection molding needs can feel overwhelming. You need precision, reliability, and a team that truly understands your vision. That's where Crestwood Industries comes in.

As one of the leading custom plastic manufacturers in Illinois, Crestwood Industries offers comprehensive plastic molding services designed to bring your ideas to life. Whether you're developing a prototype or scaling up for high-volume production, our team has the expertise and facilities to support you every step of the way.

What Sets Crestwood Industries Apart?

Plastic injection molding is more than just a manufacturing process—it's an art that requires technical skill, quality equipment, and a commitment to excellence. At Crestwood Industries, we pride ourselves on being different from other mold injection companies in the Midwest.

Our approach is simple: we invite you into our process. Your needs and expectations guide everything we do, from initial design to final delivery. This collaborative spirit has earned us a reputation as one of the most trusted custom injection molding companies in Illinois and Wisconsin.

Our Core Values

We believe three principles set us apart:

• Creative Problem-Solving: We tackle every project with an open mind and fresh perspective
• Going the Extra Mile: Your success is our success, and we'll always exceed expectations
• Simple Communication: No jargon, no confusion—just clear, honest conversations

These values aren't just words on a page. They're embedded in how we work, how we build relationships, and how we deliver results.

Comprehensive Plastic Injection Molding Services

Crestwood Industries offers a full range of plastic molding services to meet diverse manufacturing needs. Our state-of-the-art facilities house 22 presses ranging from 22 to 390 tons, allowing us to handle projects of all sizes with precision and care.

Custom Manufacturing Capabilities

Our custom injection molding in Illinois facilities enable us to produce:

• Small to medium component parts using engineering-grade resins like Polycarbonate, Nylon, Acrylic, Acetal, and ABS
• Complex and multi-cavity tooling for intricate designs
• High-precision parts with tolerances as tight as 2 microns
• Production runs from 500 to 5 million units
• Shot sizes ranging from 0.05 oz to 32 oz

We also provide secondary operations including sonic welding, milling, tapping, drilling, testing, and assembly—giving you a complete manufacturing solution under one roof.

Precision Tooling Services

Quality products start with quality tools. Our precision tooling services include:

• Engineering consultation on part viability and manufacturability
• Design and build of new tools, including family tools and multi-cavity molds
• Tool testing and process development for consistency
• Tool transfer services for reshoring and consolidation
• Tool reconditioning, modification, maintenance, and repair

With decades of combined tooling experience, our team knows how to maximize efficiency and minimize costs throughout the production process.

Materials Expertise

Selecting the right material is crucial to your product's success. Our team works closely with you to identify materials that meet your technical requirements and budget constraints. We consider factors like:

• Chemical resistance
• Temperature tolerance and UV exposure
• Fire retardancy requirements
• Special coloring or additives

From commodity-grade thermoplastics like polypropylene and polystyrene to engineering-grade materials like polycarbonate and nylon, we have the expertise to guide your material selection.

Streamlined Inventory Management

We understand that consistent parts flow is essential to your operations. That's why Crestwood Industries offers comprehensive inventory management programs, including:

• Kanban systems
• Lean manufacturing principles
• Blanket order programs
• Barcode tracking

By working closely with your purchasing and production teams, we become an extension of your business—ensuring the right parts arrive exactly when you need them.

Industries We Serve

As a versatile custom plastic manufacturer in Illinois, we proudly serve a wide range of industries:

• Medical and healthcare
• Warehousing and logistics
• Engineering and industrial
• Agriculture
• Custom parts manufacturing

No component is too small. No design is too complex. Our capabilities extend from intricate medical devices to large industrial parts, all manufactured to the highest quality standards. We're ISO 9001:2015 certified, demonstrating our commitment to quality management.

Why Choose Crestwood Industries?

Among mold injection companies in the Midwest, Crestwood Industries stands out for several reasons:

Quality Without Compromise: We never cut corners. Every project receives the same meticulous attention to detail, regardless of size.

On-Time Delivery: We understand deadlines matter. Our efficient processes and inventory management ensure your parts arrive when promised.

Transparent Communication: We explain our decisions in clear, jargon-free language so you always understand the value you're receiving.

Technical Excellence: Our team brings deep expertise across every aspect of the plastic molding and manufacturing process.

Ready to Bring Your Ideas to Life?

Whether you're developing a new product or looking to improve an existing one, Crestwood Industries has the capabilities and commitment to help you succeed. Our team is ready to collaborate with you at any stage of the precision plastic parts manufacturing process.

From design assistance and prototyping to full-scale production and delivery, we're here to make your vision a reality. Contact Crestwood Industries today to learn more about our plastic injection molding services and discover how we can support your business growth.

Let's create something exceptional together.