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Not sure where to start?  We are a product development company with extensive manufacturing capabilities; supporting product design/engineering, prototyping, 3D printing, supply chain management, packaging design, and high-quality manufacturing, including special processes (plating, electropolishing, powder coat, and more).  We are here to help you create your product and build your business. Feel free to contact us:

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At Sierra Pacific Engineering and Products (SPEP), we’re proud to have served as a leading access hardware manufacturer for more than 30 years. We engineer and manufacture a wide range of hinges, latches, locks, and other access hardware, and our products are trusted by hardware distributors and OEM manufacturers in diverse industries around the world. As an ISO 9001-certified manufacturer, we are thoroughly committed to customer satisfaction, continuous improvement, quality and reliability, and exacting design processes; 99.5% of our customers over the past 5 years would recommend us.

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SPEP is proud to continue its legacy of developing high-quality industrial latches, hinges, and other access hardware products for a diverse range of industries, applications, and customers. We hope to hear from you soon, and we look forward to helping you create better products.

Corporate / West Coast

4041 Via Oro Ave
Long Beach, CA 90810

Texas / South

2986 S. Longhorn Drive
Lancaster, TX 75134

Illinois / Midwest

One Gateway Court #E
Bolingbrook, IL 60440