Introducing a variety of parts pre-certified by Underwriters Laboratories (UL), including UL Listed conduit hole seals and UL Recognized quarter turn latches, defeater handles, and gasket seals. Remove cost and hassle from your next sealed enclosure project and enjoy the peace of mind SPEP hardware provides.

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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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The premier source for B2B industrial access hardware. We manage the supply chain for our OEM & Distributor clients to stay ahead of demand and maintain local inventory to mitigate lead times.

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Sometimes the part needed for your particular application does not exist yet. Our team of design engineering experts will work with you to design, prototype, and manufacture the custom hardware you need.

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Constant innovation is critical for us to effectively support our customers in an ever-changing world. Our design engineers continually develop new proprietary designs to stay one step ahead of the competition.

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