Tri-State Waterstoppers, LLC manufactures conduits for resin and cement delivery, custom steel products, and acrylic resins, while distributing water-stopping and soil-stabilizing resins, shotcrete, structural steel support, construction tools, and supplies. It serves mining, civil, tunneling, shaft excavation, and underground construction applications.
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Restoration East, LLCRestoration East, LLC is a Mid-Atlantic contracting and structural restoration company specializing in reinforced-concrete restoration and protection. Its in-house fabrication shop designs and manufactures custom steel and metal components, including trench drains, grates, railings, supports, platforms, covers, brackets, and structural steel components, while providing concrete, structural steel, waterproofing, coatings, drainage, surface preparation, and façade restoration services.ROSEDALE, MD
Sovereign MiningSince formulating its first grout in 1972 for high-flow, high-pressure water ingress in South African deep mines, Sovereign Mining has specialized in manufacturing and applying patented polymer grouts that seal water in subsurface environments. The privately held company’s NOH2O® penetrating grout is injected into water-bearing rock and is designed to remain flexible through normal construction and ground movement, with projects ranging from mine shafts and ore bodies to underground dams.AMITYVILLE, NY
Prospect Anchor & ToolProspect Anchor & Tool is a small Pennsylvania manufacturer of precision-engineered stainless-steel undercut anchors and the tools used to install them in concrete. Built on hands-on construction experience, the company sells directly to contractors and manufactures its anchors in the USA using USA-melt steel. Its PAT undercut anchor carries ICC-ES evaluation ESR-5279 and has supported infrastructure projects including Pittsburgh’s Armstrong Tunnel.PORTERSVILLE, PA
Tri-State Industrial Services, IncTri-State Industrial Services, Inc. delivers safe, high-quality refractory and industrial solutions with a commitment to craftsmanship, reliability, and customer satisfaction. For 40 years, they have specialized in refractory construction, steel fabrication, and industrial services for clients in metal processing, ceramics, glass, and chemical industries.GLASSPORT, PA