Spep Patent Archives
Constant innovation is critical for us to effectively support our customers in an ever-changing world. Our design engineers continually enhance existing designs and develop new proprietary designs to stay one step ahead of the competition.
UL Rated Hardware
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100% Employee Owned
Sierra Pacific Engineering and Products (SPEP) is a 100% employee owned company. Our entire team is heavily invested in the company’s success, which creates a culture focused on surpassing customer expectations.
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World Class Supply Chain Experts
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Custom Hardware Design & Engineering
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What Sets Our Industrial Hardware Apart
At SPEP, safety and compliance are just as important as offering the latest, innovative products. Compared to the competition, our hardware stands out for:
- Always certified: All of our hardware options include UL listed conduit hole seals and UL recognized parts for maximum safety.
- 80+ patents: Our dedication to innovation is reflected in our extensive patent portfolio, showcasing our ability to develop unique and effective hardware solutions.
- Custom Solutions: Designed to serve you with advanced tools like SolidWorks 3D CAD and FEA simulations, we offer custom options for 10,000+ parts.
- Rapid Prototyping: The latest 3D printing technology allows us to design new iterations with ease, reducing the time from factory to market.
- Robust Quality Assurance: Through stringent checks and quality control measures, including in-house testing and ISO 9001 certification, we always meet durability and reliability standards.
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Discover the SPEP Difference
100% Employee Owned
Vested Interest in Customer Satisfaction Motivates Teamwork
Design Engineering
Detail-Oriented Problem Solvers & Application Experts
Future Thinking
Focus on Long Term Business Relationships & Innovation
Customer Focus
Exceptional Service Provided Above & Beyond Expectations
Supply Chain Experts
Inventory Management & Local Stock to Mitigate Lead Times
Flexible Requirements
Easy to Work With & Adaptive Methods of Doing Business
Success Stories

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