San Diego Based Harrison SPI & Miller Dial, LLC

San Diego based Harrison SPI has joined forces with Miller Dial LLC, headquartered in El Monte, California. Harrison Screen Printing Incorporated (SPI) has brought excellence and expertise to the screen printing and manufacturing industries since 1976. During that time our dedication to developing the most adept solutions to your product challenges has never wavered.

Harrison SPI is dedicated to providing superior quality products and timely delivery to our customers. Our mission is to provide San Diego with outstanding service and products of the the highest quality, and innovation possible.

For over 30 years Harrison SPI has specialized in the design and manufacture of membrane switches, graphic overlays, labels, and custom screen printed and die cut parts.

San Diego Service Providers: Membrane Switch Manufacturing

Our many available membrane switch manufacturing capabilities provide a wide array of options to our customers. Membrane switches are available in:
● Polyester
● Polycarbonate
● Metal Overlay on Membrane (MOM®)

Domes can be manufactured from metal or 85°C Polyester. Additionally, EMI, RFI, and ESD shielding are available on all of our membrane switches. Innovative features include:
● Embedded LED's
● Sealed Membrane
● Fiber Optic
● EL Back Lighting

Harrison SPI and Miller Dial have managed printed circuit board integration with a wide variety of our customer's applications, including back plates with studs and standoffs. We can provide complete turnkey control panel assemblies for all membrane switch applications.

Learn more about our Membrane Switch Manufacturing Capabilities by clicking here.

San Diego Service Providers: Silicone Rubber Keypads

Silicone Rubber Keypads provide an excellent and long lasting user interface for custom applications. We provide the silicone rubber keypad manufacturing expertise necessary to manage your project from conception to completion. Features often applied to satisfy customer requirements include:
● Multiple Colors and Phosphorescence
● Back Lighting
● Light Pipes
● Laser Etched, and Epoxy Capped Silicone Rubber Keypads

Learn more about our Silicone Rubber Keypads by clicking here.

San Diego Service Providers: Metal Nameplates

The metal nameplate manufacturing facility, which includes complete metalworking and fabrication capabilities, ensures rapid turn-a-round while maintaining quality assurance procedures. Complete steel ruled die and Class A hard tools are produced in house. Alternate applications include hot stamping, serializing, anodizing, etching, and embossing.

Represent your product with brand identification permanently imprinted on metal. Consumers naturally associate quality with an attractive representation of brand labeling. Unique ideas and applications are available. Contact one of our innovative sales technicians to discover the latest trends in brand identification.

Learn more about our Metal Nameplates by clicking here.

San Diego Service Providers: Domed Labels

Miller Dial produces domed labels by encapsulating graphics in a clear polyurethane dome. Domed labels are soft to the touch, recover if indented and are suitable for interior or exterior applications. Manufacturing is done on a wide range of substrates that adhere to many surfaces. Label finishes include:
● High Gloss
● Holographic Effects
● Brushed Chromes/Golds
● Half-tone printing

Learn more about our Domed Labels by clicking here.

San Diego Service Providers: Graphic Overlays

Graphic Overlays comprise the top layer of a typical membrane switch application and can be made from an extensive line of polycarbonate, polyester, and acrylic materials. Features that are available include: color matched solutions per customer specifications, finishes and textures that meet customer requirements and durable solutions that provide excellent weathering and superior tactile feedback.

Learn more about our Graphic Overlays by clicking here.

San Diego Service Providers: Printed Circuit Boards

We have extensive experience in the operation and control of the manufacturing of flexible and rigid circuit boards. Our dedication to quality and on-time delivery is the result of a highly trained staff utilizing strict ISO procedures to deliver maximum value to our customers. We provide:
● PCB (printed circuit board) assistance after design
● Engineering
● Life-cycle and environmental testing
● Specification writing
● Unique manufacturing procedures for each board

At every stage in the manufacturing process, our Quality Team provides guidance on process improvement. This collaborative work process yields excellent results for both low and high volume production projects. With technical sales representatives covering all of North America, our customers are assured of support in every aspect of your interaction with our team.

Learn more about our Printed Circuit Boards by clicking here.

San Diego Service Providers: Plastic Injection Molding

In order to ensure quality and on time delivery, all phases of the Miller Dial plastic injection molding manufacturing operations are monitored and controlled by adherence to extensive ISO quality procedures. Through its experience and expertise, Miller Dial can provide the following services for each product:
● Product assistance after design
● Engineering support
● Life cycle and environmental testing
● Specification writing
● Preparation of unique manufacturing procedures

Learn more about our Plastic Injection Molding by clicking here.

San Diego Service Providers: EMI Shielded Windows

We provide a complete range of optical filters. These optical filters have an embedded metal mesh providing a significant depreciation of the effect of electromagnetic fields. Our filters can be produced in a wide variety of colors. We always have a filter appropriate for the wavelength in your display. EMI shielded windows achieve optimal light transmission. Secondary light is filtered out, obtaining the clearest, readable interface.

Learn more about our EMI Shielded Windows by clicking here.

San Diego Service Providers: Touchscreens

Miller Dial, LLC and Harrison SPI are pleased to announce the addition of Touchscreen technology to our product offering! Miller Dial’s "MD Touch" offers the three leading touch technologies.

Learn more about our Touchscreens by clicking here.