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Business Details
30 Years
experience
Custom Plastic Fabrication Services in San Marcos, CA
ATI Plastics has been a leader in custom plastic fabrication since 1996, delivering end-to-end solutions from concept to production. With over 40 years of combined expertise, our team specializes in vacuum forming, CNC machining, welding, and product development, serving industries like biomedical engineering and aerospace. We prioritize precision, exceeding industry standards for tolerances, aesthetics, and functionality. Our in-house design and engineering capabilities allow us to transform ideas into prototypes and scalable production runs.

By integrating advanced technologies like photo-realistic rendering and 3D modeling, we ensure client visions are realized efficiently. Committed to quality, we handle every project phaseconsultation, prototyping, and assemblyto save clients time and costs. Our dedication to innovation and customer satisfaction has made us a trusted name in San Diego County and beyond.
Services
Vacuum Forming Plastic Fabrication CNC Machining Product Development Plastic Welding Conceptual Design Assembly Services 3D Modeling
Details
  • Year established: 1996
Highlights and features
  • We offer over 40 years of experience in custom plastic fabrication.
  • Our in-house design and engineering team ensures seamless project execution.
  • We utilize advanced technologies like 3D modeling and CNC routing.
  • Our team has 111+ years of combined expertise in plastic fabrication.
  • We provide end-to-end services from concept to final production.
Services
Vacuum Forming
Vacuum forming creates cost-effective, detailed plastic parts by heating sheets and molding them with vacuum pressure. Ideal for large components, this process balances aesthetics and functionality. We use in-house mold-making to reduce costs and ensure precision for industries like aerospace and biomedical.
CNC Machining
Our CNC machining delivers high-precision plastic components, including lab equipment and robotic parts. Using advanced 3- and 5-axis routers, we achieve tight tolerances for materials like acrylic and polycarbonate. This automated process ensures repeatability and quality for prototyping and production runs.
Product Development
From sketches to final products, we manage every development stage. Our team uses CAD modeling and prototyping to refine ideas into scalable solutions. With expertise in filtration systems and custom machinery, we streamline timelines and reduce costs for complex industrial projects.
Plastic Welding
Specializing in PVC and polyethylene welding, we create durable safety equipment like fume hoods and containment trays. Our meticulous process ensures structural integrity for laboratory and industrial applications, meeting strict safety and compliance standards.
Conceptual Design
We transform ideas into detailed 3D models and prototypes, ensuring design integrity and functionality. Using photo-realistic rendering, we help clients visualize products before production, aiding in investor pitches or market testing with accurate, scalable representations.
People
Tom Haase
President/CEO
Founded ATI Plastics in 1996 after designing lab equipment for DNA sequencing. With decades of bio-tech and engineering expertise, he built the company into a full-service plastic fabrication leader. Now based in Northern California, he remains involved in operations.
Saul Lopez
Production Specialist
A 17-year veteran at ATI, Saul ensures precision in fabrication with unmatched attention to detail. His craftsmanship contributes to high-quality products like safety equipment and custom lab components, reflecting his pride in every project.
Hannah Minitch
Office Manager
Hannah has managed office operations for over six years, handling accounts, scheduling, and client communications. Her organizational skills ensure timely project delivery and smooth coordination between clients and production teams.
Tyler Haase
IT Administrator
Since 2018, Tyler has maintained ATIs digital infrastructure and provided technical support. He ensures the companys online presence and internal systems operate efficiently, supporting both remote and on-site operations.
Questions
What industries do you serve?
We serve biomedical, aerospace, industrial manufacturing, and custom contracting sectors requiring precision plastic components and fabrication solutions.
Do you handle full product development cycles?
Yes, we manage projects from initial design and prototyping to final production, ensuring efficiency and quality at every stage.
Can you create custom plastic parts from my design?
Yes, we work with client CAD files or develop designs in-house to produce custom parts using vacuum forming, machining, and welding.
What materials do you work with?
We handle acrylic, polycarbonate, polyethylene (HDPE/LDPE), PVC, ABS, and other plastics for machining, fabrication, and thermoforming.
Do you offer prototyping services?
Yes, we provide prototyping using 3D printing, SLA technology, and CNC routing to validate designs before full-scale production.
What are your production capabilities?
We handle small prototypes to large production runs, with in-house mold-making, CNC routing, and assembly services to meet diverse client needs.