Top 10 Optical Encoder Manufacturers in the USA 2026

Jan 22, 2026

Choosing the right optical encoder manufacturer is critical for achieving precision, stability, and long-term reliability in modern motion control systems. Whether you are designing CNC machines, robotics, semiconductor equipment, or advanced automation systems, even minor feedback errors can lead to downtime, quality issues, and increased costs.

The U.S. is home to some of the world’s most trusted optical encoder manufacturers, known for high-resolution sensing, robust engineering, and strong technical support. However, with so many suppliers claiming “high precision” and “industrial-grade performance,” identifying a truly reliable partner can be time-consuming and risky for engineers and purchasing teams.

To help you make a confident decision, we’ve carefully selected the Top 10 Optical Encoder Manufacturers in the USA for 2026. This list focuses on companies with proven product performance, strong industry reputation, and real-world applications across automation, motion control, and precision manufacturing.

If you’re evaluating suppliers for your next project, check the manufacturers below and ask for a quote to compare specifications, lead times, and total cost of ownership before making your final choice.

Top 10 Optical Encoder Manufacturers in the USA 2026
1. Encoder Products Company
2. US Digital Corp.
3. Dynapar Corporation
4. Bourns, Inc.
5. Celera Motion
6. Sensata Technologies, Inc.
7. Grayhill, Inc.
8. Allied Motion Technologies
9. Sensory Systems / Sensor Systems, LLC
10. CTS Corporation

1. Encoder Products Company (EPC)

Headquarters: Idaho, USA

Main Products: Incremental & absolute optical encoders (shafted, hollow-shaft, accessory kits)

Overview: Encoder Products Company (EPC) is one of the most respected optical encoder manufacturers in the USA, with decades of experience in motion feedback solutions. The company specializes in high-precision incremental and absolute optical encoders designed and manufactured in the United States. EPC’s Accu-Coder® series is widely used in industrial automation, robotics, packaging equipment, and motor control systems. Known for excellent signal accuracy, long service life, and strong environmental resistance, EPC optical encoders can be customized for shaft size, resolution, and output type. Their commitment to domestic manufacturing and fast lead times makes EPC a preferred choice for OEMs seeking reliable optical encoder solutions.

2. US Digital Corp.

Headquarters: Washington State, USA

Main Products: Optical incremental & absolute encoders, motor and miniature encoders

Overview: US Digital is a leading U.S. optical encoder manufacturer offering a broad range of incremental and absolute optical encoders. The company is well known for its high-resolution encoders, miniature encoder modules, and motor-mount encoder solutions. US Digital optical encoders are commonly used in robotics, CNC machinery, medical equipment, and precision motion control systems. With flexible configurations, multiple communication interfaces, and advanced optical sensing technology, their products deliver accurate position and speed feedback. US Digital also provides extensive technical support and customization options, making it a trusted partner for engineers and system integrators looking for reliable optical encoder solutions in demanding applications.

3. Dynapar Corporation

Headquarters: Illinois, USA

Main Products: Optical incremental & absolute encoders, resolver systems

Overview: Dynapar Corporation is a well-established optical encoder manufacturer in the USA, serving industrial automation and heavy-duty applications worldwide. The company produces both incremental and absolute optical encoders designed for high accuracy and rugged performance. Dynapar optical encoders are commonly used in conveyors, elevators, material handling equipment, and industrial motors. Known for their durability, high signal stability, and wide operating temperature ranges, Dynapar products perform reliably in harsh environments. With a strong focus on industrial motion control, Dynapar combines advanced optical sensing technology with robust mechanical design to meet the needs of OEMs and automation professionals.

4. Bourns, Inc.

Headquarters: Riverside, California, USA

Main Products: Optical rotary encoders, panel encoders, incremental encoders

Overview: Bourns, Inc. is a global electronics manufacturer with strong U.S. operations and a solid reputation in optical rotary encoder solutions. The company offers a variety of optical incremental encoders designed for industrial controls, test and measurement equipment, and user interface applications. Bourns optical encoders are valued for their compact design, consistent signal output, and long operational life. They are commonly used in panel controls, instrumentation, and light industrial systems where precise rotational feedback is required. By combining optical sensing accuracy with robust component design, Bourns continues to be a reliable optical encoder manufacturer for both industrial and commercial markets.

5. Celera Motion (Novanta Group)

Headquarters: Massachusetts, USA (Global HQ Novanta)

Main Products: Optical rotary & linear encoders, high-resolution motion sensors

Overview: Celera Motion, part of the Novanta Group, is a high-end optical encoder manufacturer with major operations in the USA. The company specializes in high-resolution optical rotary and linear encoders designed for precision motion control. Celera Motion optical encoders are widely used in robotics, semiconductor manufacturing, medical imaging, and aerospace systems. Their advanced optical and interferential technologies provide exceptional accuracy, low noise, and high repeatability. Known for innovation and engineering excellence, Celera Motion focuses on demanding applications where ultra-precise position feedback is critical, making them a top choice among premium optical encoder manufacturers.

6. Sensata Technologies, Inc.

Headquarters: Massachusetts, USA

Main Products: Optical and other types of position sensors and encoders

Overview: Sensata Technologies is a global sensor manufacturer with strong U.S. roots, offering optical encoders as part of its advanced motion and position sensing portfolio. Sensata optical encoders are designed for industrial automation, aerospace, and automotive applications where reliability and accuracy are essential. The company emphasizes robust construction, stable signal output, and long-term performance. Sensata integrates optical encoder technology with smart sensing solutions, enabling improved system efficiency and safety. As a trusted optical encoder supplier, Sensata supports OEMs with scalable solutions suitable for both standard and mission-critical motion control applications.

7. Grayhill, Inc.

Headquarters: Indiana, USA

Main Products: Optical and mechanical rotary encoders, human-machine interface encoders

Overview: Grayhill, Inc. is a U.S.-based manufacturer known for combining optical encoder technology with human-machine interface (HMI) solutions. The company produces optical rotary encoders used in industrial controls, aerospace panels, and specialized electronic systems. Grayhill optical encoders offer smooth rotational feel, reliable optical sensing, and consistent output signals. These products are often selected for applications that require both precision feedback and user interaction. With a focus on quality, customization, and ergonomic design, Grayhill remains a trusted optical encoder manufacturer in control and interface-driven industries.

8. Allied Motion Technologies (Allient Inc.)

Headquarters: New York, USA

Main Products: Optical incremental & absolute encoders, motion control components

Overview: Allied Motion Technologies, now operating as Allient Inc., is a U.S. motion control company providing optical encoder solutions as part of its broader product portfolio. Their optical encoders support applications in industrial automation, medical devices, aerospace, and defense systems. Allied Motion focuses on integrating optical encoders with motors, drives, and complete motion systems. Known for engineering expertise and system-level optimization, the company delivers reliable position feedback for complex motion applications. Their optical encoder products help improve accuracy, efficiency, and overall system performance in demanding environments.

9. Sensory Systems / Sensor Systems, LLC

Headquarters: USA (Industrial supplier segment)

Main Products: Optical encoders and position feedback sensors

Overview: Sensor Systems, LLC is a U.S.-based supplier of precision optical encoders and position feedback sensors for industrial applications. The company focuses on delivering reliable optical encoder solutions for automation equipment, robotics, and machine control systems. Sensor Systems optical encoders are designed to provide accurate speed and position feedback while maintaining durability under continuous operation. With a commitment to quality manufacturing and application-specific solutions, Sensor Systems supports OEMs seeking dependable optical encoder manufacturers for industrial motion control needs.

10. CTS Corporation (via U.S. Operations)

Headquarters: New York, USA

Main Products: Optical and magnetic encoder solutions, sensor ICs

Overview: CTS Corporation is a U.S.-based manufacturer offering optical encoder and motion sensing solutions through its sensor and components divisions. CTS optical encoders are used in industrial automation, robotics, and control systems requiring precise rotational feedback. The company combines optical sensing technology with strong engineering and manufacturing capabilities. CTS focuses on performance consistency, durability, and integration with modern electronic systems. As a diversified optical encoder manufacturer, CTS serves OEM customers seeking scalable and reliable encoder solutions for long-term industrial use.

Hopo Tech

Headquarters: Ningbo China

Main Products: Optical Linear Encoders, Optical Rotary Encoders

Overview: Hopo Tech is a professional motion control solution provider specializing in the R&D, manufacturing, and global supply of magnetic and optical encoders, digital readout (DRO) systems, and precision positioning solutions. With over 15 years of experience, Hopo Tech delivers high-performance optical linear encoders, optical rotary encoders, magnetic encoders, and customized motion feedback systems for demanding applications. Its products are widely used in industrial automation, CNC machine tools, robotics, semiconductor manufacturing, lithium battery production, photovoltaics (PV), and medical equipment. Backed by proprietary patented algorithms, ISO 9001 & CE certifications, and a strong R&D team, Hopo Tech is committed to providing cost-effective, reliable, and high-precision encoder solutions to customers worldwide.

Conclusion: Choosing the Right Optical Encoder Manufacturer in 2026

The Top 10 Optical Encoder Manufacturers in the USA 2026 represent the highest standards in precision motion feedback, reliability, and engineering expertise. These manufacturers share key strengths, including high-resolution optical sensing, stable signal output, robust industrial design, and proven performance across demanding applications such as automation, CNC machine tools, robotics, semiconductor manufacturing, and precision measurement systems. Most also offer strong technical support, customization options, and long-term product stability—critical factors for reducing downtime and total cost of ownership.

Among these industry leaders, Hopo Tech stands out as a highly competitive optical encoder manufacturer for customers seeking both precision and cost efficiency. With over 15 years of experience, Hopo Tech delivers a comprehensive range of optical linear encoders, optical rotary encoders, and magnetic encoder solutions, backed by proprietary patented algorithms, ISO 9001 & CE certifications, and a strong R&D foundation. Its products are widely trusted in high-precision industries such as industrial automation, lithium battery production, photovoltaics (PV), robotics, and semiconductor manufacturing, making Hopo Tech an excellent choice for OEMs and system integrators worldwide.

If you are sourcing reliable optical encoder manufacturers for your next project, review the companies listed above and compare their solutions carefully. For a balance of performance, customization, and competitive pricing, check Hopo Tech’s optical encoder solutions and ask for a quote today to find the best fit for your application.

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