Hilfiker Retaining Walls is a fourth-generation, family-owned business operating in Eureka, California since 1902, and produces a full line of high quality retaining wall systems that have been utilized in projects world-wide. The Welded Wire Wall system is the industry leader for wire-faced MSE walls, used for crusher or truck dump applications and haul road support, regardless of height and loading. Spiralnails are the latest innovations and used to extend the life of existing structures, accommodate emergency situations, construction shoring, and foundation improvement. The company also offers engineering services and on-site technical assistance to aid in construction.
Harrison Western Construction Corporation, Inc
Harrison Western is an American owned and operated Heavy Civil, Tunneling and Mining Contractor, in operation since 1968. In that time, our firm has consistently delivered in some of the most complex, challenging environments, while prioritizing safety, performance and effectiveness. Our work includes development mining, portal construction, underground utilities, ventilation, drill & blast operations, ground support design and construction, grouting & shotcrete application, conventional shaft sinking, hoist infrastructure, crusher & conveyors, bulkheads, highwall stabilization, rockfall mitigation, and a variety of other surface and underground geotechnical services.
GMS Mine Repair & Maintenance
We are GMS and we’ve been serving the Mining Industry for nearly 40 years. Our deep experience and broad range of specialized services and products allow us to serve the customer with unmatched efficiency and scale as we continue to grow and adapt to constantly changing markets. We offer Underground and Surface Mining contract labor and services supported by our own custom engineering and fabrication facilities. | We are GMS and we’ve been serving the Mining Industry for nearly 40 Years. Our deep experience and broad range of specialized services and products allow us to serve the customer with unmatched efficiency and scale as we continue to grow and adapt to constantly changing markets. We offer Underground and Surface Mining contract labor and specialized services supported by our own custom engineering and fabrication facilities. We’re prepared to tackle even the most demanding jobs and you can be confident that it’s done right.
FKC-Lake Shore
FKC-Lake Shore offers design-build-install services for innovative hoisting and vertical conveyance systems used to transport personnel and material. Our Field Services Division provides 24/7 emergency repair of electrical and mechanical systems. Products & Services: Vertical Conveyors, Skips, Hoists, Sheaves, Cages, Headframes, Brakeman Cars, Controls, Field Services, and Wire Rope NDT. FKCI’s Mine Development Division provides comprehensive, mine development services to our owners and partners with techniques such as Blind Drilling, Raise Boring, Conventional Shaft Sinking, and Slope/Decline Tunnel Construction.
DeWind One Pass Trenching
Home of the world’s largest Trenchers, DeWind has been innovating underground problem-solving since 1985. Founded in Michigan, this family-run company engineers the world’s deepest and most advanced One-Pass Trenchers—capable of digging 150 feet deep! Services include hydraulic barrier walls, collection trenches, permeable reactive barriers, and more. DeWind’s patented technology completes complex installations in a single pass, below the water table, with minimal disruption. With a zero-debt growth model, industry-first patents, and a legacy of safety and innovation, DeWind continues to revolutionize environmental, civil, and dewatering projects across North America.
Derrick Corporation
Derrick® is a family-owned and operated company with a global presence focused on pioneering fine-separation technology. Since 1951, Derrick has expanded its product portfolio to serve a variety of challenging markets within the Mining & Industrial, Oil & Gas Drilling, and Civil Construction industries. Derrick remains committed to providing the latest technological enhancements that evolve alongside industry best practices and market developments. Derrick’s corporate headquarters, in-house manufacturing facility, and Mining & Industrial are based out of Derrick Corporation in Buffalo, New York, while Oil & Gas Drilling and Underground Construction are run out of its Houston, Texas office. | Derrick® Corporation is a family-owned and operated company with a global presence focused on pioneering separation technology and solutions-based equipment for Mining & Industrial customers globally. Our mission is to empower companies worldwide to act responsibly, leveraging our proprietary technology for maximum resource efficiency. We reinforce our commitment to sustainability through our U.S.-based engineering and manufacturing facility, our award-winning equipment and customer service, and our international network of technicians, representatives, and partners. | Derrick has pioneered the development of wet and dry fine screening solutions to serve diverse industries throughout the world for 75 years. Derrick offers its clients leading-edge solutions to maximize separation efficiency. Using this patented equipment and innovative screen surface technology, offers unmatched performance – increased product recovery and reduced power consumption. Derrick equipment symbolizes rugged reliability, and remains committed to providing the latest technological enhancements that evolve alongside industry best practices and market developments. Derrick’s latest patented products – the SuperStack® 8-Deck fine wet screening machine, and G-Vault® urethane interstage screen coupled Trilogy™ Surface Technology. | Derrick has pioneered the development of wet and dry fine screening solutions to serve diverse industries throughout the world for more than 70 years. Derrick manufactures innovative fine-separation technologies for the Aggregates industry, from ruggedly dependable dewatering equipment to long-lasting urethane panels – both offering unmatched performance. Derrick’s environmentally friendly, cost-saving solutions are currently used worldwide by companies requiring precise sizing for fines recovery. Derrick remains dedicated to complete in-house manufacturing of every screening machine, screen panel, centrifuge and tank system. Each unit is created and assembled at Derrick’s Buffalo, New York headquarters facility.
Cowin & Company/Raisebor
Mining Construction and Engineering services. Raise boring projects. Owner of the largest raisedrill and fleet in the USA
Contech Engineered Solutions
Contech® Engineered Solutions LLC is a leading civil engineering site solutions products and services company. Contech is the only company that can provide bridge, drainage, erosion control, retaining wall, sanitary, soil stabilization, and stormwater solutions on a national scale. Our product offering includes corrugated metal and plastic pipe; steel truss, metal plate and concrete arch bridges and structures; hard armor, geogrid, geotextiles, block and retaining wall systems; and stormwater detention/retention, filtration and treatment systems. Our product portfolio is based on more than a century of research and practical field experience serving the highway, drainage, sewage and site-improvement markets.