OEM Plastic Parts Manufacturer — Shirley K’s
OEM thermoformed plastic parts manufactured in the USA — from prototype through full production, backed by tool transfer and reverse engineering.
OEM Plastic Parts Manufacturer — Custom Thermoforming for Industrial Applications
Shirley K’s manufactures custom thermoformed OEM plastic parts for industrial, commercial, and specialty applications. From equipment enclosures to precision instrument housings, we produce short-run to large-run custom parts with in-house CNC trimming.
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OEM thermoformed part examples

TYPICAL OEM APPLICATIONS
- Equipment enclosures and covers
- Instrument housings and case components
- Industrial machinery shrouds and guards
- Custom trays and dunnage for assembly operations
- Replacement plastic components for legacy equipment
- Custom components for material handling systems
OEM THERMOFORMING ADVANTAGES
- Low tooling investment vs injection molding — important for lower-volume OEM programs
- Short-run capability — dozens to hundreds of units per order, no minimum order in the thousands
- Tool transfer — move an existing tool to Shirley K’s without new tooling cost
- Reverse engineering — reproduce a discontinued part from a physical sample
- Large-run capability — productive rotary equipment for order sizes in thousands
- In-house CNC trimming — precision trimming and hole locations to mate up with other components
OEM EXAMPLES
Shirley K’s has experience producing plastic components for OEM customers in industrial instrumentation, packaging equipment, and specialty manufacturing applications. Contact us for a confidential discussion of your specific program.
RELATED
Common Questions About OEM Thermoformed Components
What kinds of OEM parts are thermoformed?
Typical thermoformed OEM components include covers, enclosures, shrouds, bezels, guards, housings, panels, and internal trays. The process suits parts that are large relative to their thickness and that do not require heavy structural sections.
Why do equipment manufacturers choose thermoformed enclosures?
Thermoformed enclosures are lighter than metal alternatives, can be produced with lower tooling investment than injection molding, and accommodate design changes more affordably because single-sided tooling is less costly to modify.
How are thermoformed parts finished to final dimensions?
Formed sheets are trimmed to remove excess material and to create openings, slots, and mounting features. CNC trimming is widely used because it repeats the same cut path on every part, which matters when components must mate with other assemblies.
Can thermoformed parts be color matched?
Sheet stock is available in a range of standard colors, and custom colors can generally be specified when the order quantity supports a dedicated extrusion run. Because color is in the material rather than applied as a coating, scratches are less visible than on painted surfaces.