Mechanical Manufacturing Services

Integration-Ready Mechanical Manufacturing for Electronic Systems

EI Sales connects OEMs with mechanical manufacturing solutions built to support the demands of modern electronic assemblies. From custom enclosures and power supplies to precision cable assemblies and die cast components, we help you source and specify reliable, integration-ready parts for industrial, medical, and mission-critical applications.



We support compact control units, connected medical devices, and rugged outdoor systems with end-to-end sourcing expertise built on decades of manufacturing experience.

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Specialized Markets & Industries

The mechanical components we source are engineered to meet the unique environmental, ergonomic, and regulatory needs of demanding industries.

Medical Device Housings

Durable housings for diagnostic, surgical, and patient-monitoring systems, including options for biocompatible, antimicrobial, and easy-clean finishes that meet healthcare regulations.

Industrial Control Boxes and DIN-Mount Enclosures

Impact-resistant enclosures for factory automation, process control, and instrumentation. Options available with IP and NEMA-rated protection and built-in support for PCB mounting and cable ingress.

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Rugged Enclosures for Aerospace, Defense, and Outdoor Use

Custom solutions built to handle extreme vibration, moisture, temperature, and EMI exposure. Ideal for vehicle electronics, comms, and field-deployed systems.

End-to-End Mechanical Manufacturing Capabilities

Our manufacturing partners provide high-quality production across a full spectrum of mechanical and electromechanical components. All solutions are built with reliability, traceability, and performance in mind.

Injection Molding

Precision plastic housings using medical-grade, food-grade, and industrial resins. Mold development, tooling, and production all supported under a single program.

Antenna

Custom and standard antennas for 2G/3G/4G, GPS, Wi-Fi, Bluetooth, and LPWAN. Support for PCB, chip, and dome formats with application-specific tuning.

Connectors, RF Cables, and Cable Assemblies

Complete solutions for internal and external signal and power routing. Options include shielded RF cable assemblies, overmolded strain reliefs, and ruggedized multi-pin connectors.

Power Supply Units (PSUs)

Custom and modular AC/DC and DC/DC power supplies designed for safety and efficiency. Features include PFC, wide input ranges, and medical/industrial certifications.

Die Casting & Stamping

Metal housings and heat sinks manufactured using aluminum, zinc, and steel alloys. Precision stamping services available with secondary operations such as anodizing, engraving, or silk screening.

Partner with a Proven Mechanical Manufacturing Expert

EI Sales helps OEMs reduce sourcing complexity and improve integration by connecting them with proven mechanical manufacturing solutions that are engineered for performance and built for production.

Full Design-to-Production Support

From initial drawings to finished parts, we guide you through design optimization, DFM considerations, and supplier alignment.

Prototyping, Low- and High-Volume Runs

We support all project stages, including fast-turn validation builds and large-scale production orders, with clear transitions in tooling and logistics.

Quality Assurance and Material Traceability

Strict adherence to quality control processes and material documentation standards ensures compliance and consistency across programs.

Why work with

EI Sales?

EI sales teams are uniquely trained to handle component inquiries from engineering, address production concerns from manufacturing, and support supply chain needs. Our comprehensive expertise provides significant value to our customers and principals by delivering integrated solutions that span the entire process from design through production.

Highest Ethical Standards

At EI Sales, we bridge the gap between design and manufacturing — turning ideas into reality with seamless precision. Our commitment to trustworthiness and ethical business practices is at the core of everything we do. It’s how we build strong, lasting relationships with both new and longtime partners.

Principal Relationships

As the sales and marketing arm of your company, EI Sales’ mission is to work together as one entity and consistently strive to exceed the customer’s needs and surpass the competition by providing quality products, services and cost-efficient solutions.

Experienced Sales Professionals

With unmatched industry expertise, EI Sales builds strong, effective relationships with principals and customers. Our team encompasses more than 300 employees, supported by dedicated inside sales, ensure more face-to-face time with engineers and decision-makers.

Synergistic Selling

EI Sales partners with top-quality manufacturers, earning customer trust through a proven track record. Complementary lines enhance account penetration, while a strong marketing network ensures products reach the right people quickly and effectively.

LATEST NEWS

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EI Sales Now Representing Fair-Rite Products Corporation

April 15, 2025
Mankato, MN – January 4, 2021: EI Sales is pleased to announce the addition of Fair-Rite Products Corp. to their components and services ecosystem.
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EI Sales Welcomes Jauch Quartz America Inc. (JQA) as a New Principal Partner

By Tim Paulus • April 1, 2025
Jauch has been a trusted name in electronic components for over 75 years, building its reputation on high-quality quartz crystals, oscillators, TCXO’s and OCXO’s timing devices. More than 50 years ago, Jauch expanded its vision by entering the battery market—an initiative that now includes advanced solutions such as Lithium-Ion, Lithium Manganese Dioxide, and Lithium Thionyl Chloride technologies. With this partnership, EI Sales is now equipped to provide even greater support to design engineersand buyers in need of reliable, high-performance components for their most demanding applications. Neil Floodgate, Vice President of Sales at Jauch Quartz America Inc., added: “Partnering with EI Sales allows us to deepen our presence in the Central US and bring our technology closer to the customers who need it most. We’re excited to work with a team that shares our dedication to quality, responsiveness, and long-term relationships.” Jauch joins EI Sales’ growing lineup of top-tier electronics manufacturers. The team looks forward to working closely with customers and Jauch’s team to ensure continued success in the region.  For more information, please contact: Tim Paulus President, EI Sales info@eisales.com | (507) 345-7714 www.eisales.com
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EI Sales expands coverage with KYOCERA Displays to TOLA.

October 1, 2023
Dallas, TX – EI Sales Inc, a renowned leader in providing cutting-edge electronic components and production solutions, is thrilled to announce a significant expansion of its partnership with Kyocera Displays, covering the vibrant regions of TEXAS, OKLAHOMA, ARKANSAS, and LOUISIANA. EI Sales originally embarked on its journey representing Kyocera Displays in 2020 within the Minnesota region, marking a pivotal milestone in their collaboration.

Start Your Project Today!

All mechanical solutions are designed to work seamlessly with PCBs, sensors, displays, and interconnects, simplifying downstream assembly and system testing.

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