Established in the United Arab Emirates in 1989, GRP Industries is a composite manufacturer known for protecting sensitive industrial equipment in severe outdoor environments. Its custom weatherproof enclosures serve utility and industrial customers worldwide, with products installed in 93 countries and tested to international protection standards.
ISO 9001:2008
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ISO 14001:2004
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ISO 45001
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Lloyd's Register Approved
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IP 66 Certified
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ADNOC In Country Value Program Rev. 3.0
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StrongBoxSince 1985, StrongBox has built its identity around solving the irrigation sector’s need for protection that can withstand weather and vandalism. Now a division of MUM Industries, the Mentor-based manufacturer makes metal enclosures for professionals who need to safeguard outdoor electrical equipment, with U.S. production in Ohio and Texas. StrongBox is ISO 9001:2015 certified and also develops custom designs for specialized applications.MENTOR, OH
Signature Enclosures IncWith roots in the fiberglass industry stretching back more than 50 years, Signature Enclosures Inc. manufactures fiberglass enclosures for demanding industrial applications. The Avondale, Pennsylvania company has specialized in these products for 30 years, designing NEMA 4X enclosures—including insulated models—for equipment exposed to corrosive conditions and temperature extremes. Its in-house tooling and engineering support allow the company to modify standard designs without treating each project as a special order.AVONDALE, PA
MUM Industries, IncFounded in 1996 and headquartered in Mentor, Ohio, MUM Industries manufactures protective electrical enclosures through its brands Integra Enclosures, StrongBox and EMF Company. Its portfolio ranges from polycarbonate and stainless steel enclosures to custom sheet-metal cabinets, with six locations supporting customers across North America, Europe and Asia. MUM Industries is ISO 9001:2015 certified and joined with EMF in 2021 to broaden its manufacturing capabilities.MENTOR, OH
Shelter WorksFounded in 1995, Shelter Works designs and manufactures custom fiberglass-reinforced plastic shelters, buildings, cabinets, and equipment enclosures for protecting critical field infrastructure. With two manufacturing facilities and more than four decades of combined experience in custom fiberglass construction, the American manufacturer is known for its proprietary FiberBeam™ technology, engineered-to-order designs, and a 25-year warranty. Its shelters serve demanding settings from water treatment and natural gas operations to telecom and aviation, including FAA-compliant frangible enclosures.BUCYRUS, OH