The mission of MES is to provide specialized technical expertise in underground mine and tunnel related services, at a high level of excellence, to support our clients in exploration, mining, underground construction and mine closure projects.
Matrix Service Company
With the fast-growing demand for minerals to support the world’s low carbon, clean energy objectives, today’s mining companies need a highly qualified contractor that understands the industry, the objectives, and the urgency. MATRIX SERVICE COMPANY, through its subsidiary – Matrix Service Inc. – is a leader in the design, construction, maintenance, and repair of energy and industrial infrastructure across North America whose people have been serving the mining and minerals industry for decades. We offer specialized expertise in mining and minerals and have earned a reputation for delivering high-quality projects safely, on time, and on budget. At Matrix, we are proud to count many of North America’s most recognized mining companies among our clients. Specifically, our teams bring infrastructure expertise and technology integration to support surface, in-situ, and open-pit mining, including: [TBD] With a focus on sustainability and living our core values, Matrix is ranked among the Top Contractors by Engineering-News Record, has been recognized for its Board diversification, is an active signatory to CEO Action for Diversity and Inclusion, and is recognized as a Great Place to Work®. To learn more about Matrix Service Company, visit www.matrixservicecompany.com and read our most recent Sustainability Report. | Through its operating companies, Matrix Service Company is a leader in the design, construction, maintenance and repair of industrial infrastructure serving the energy, industrial, and utility markets across North America. Companies choose Matrix for a broader range of project requirements, including the construction of process and supporting facilities in the mining sector, making us a more efficient and cost-effective solution. We can cover projects from large to small with consistent, high-quality results. Matrix consistently ranks among ENR’s Top 400 contractors.
Lycopodium
Lycopodium is a leading global EPCM services company for technical reports and construction projects of mineral processing plants. Local services provided from Texas and Pennsylvania locations, with our global expertise available. Please visit www.Lycopodium.com for examples of our project services. Please also contact Will.Berends@lycopodium.com.
LJ, Inc, Supreme Manufacturing, LLC.
Supreme Manufacturing is a custom designer and builder of floating clamshell dredges, floating conveyor, clamshell buckets, and associated marine mining equipment. Combined with the resources of Supreme’s parent company LJ, Inc., the corporation has the capabilities to provide turnkey design build solutions for any mining operation.
Legacy Building Solutions
Legacy Building Solutions designs, manufactures and installs tension fabric structures globally. All components are manufactured in-house and installed using ISO 9001:2015-certified procedures. Our principal staff has over 100 years of combined experience, including millions of square feet sold and installed. Legacy’s experienced team works with customers from pre-to post-construction to save time and money while providing custom solutions for your project. | Legacy Building Solutions designs, manufactures, and installs custom fabric structures for the global oil and gas industry. Our pre-engineered buildings support storage, processing, maintenance, warehouses, and hazardous material enclosures while meeting strict safety and regulatory standards. Built for harsh conditions, our high-tensile fabric and steel frames resist UV damage, corrosion, rust, and extreme weather. Rapid installation, minimal downtime, and flexible customization—including clear-span interiors, ventilation, insulation, and specialty doors—ensure operational efficiency. Headquartered in South Haven, Minnesota, we deliver durable, energy-efficient buildings backed by world-class service, innovation, and long-term value.
Keller
Keller builds the foundations for a sustainable future by developing innovative, practical, and cost-effective solutions for geotechnical challenges across the entire construction industry, including deep foundations, environmental remediation, ground improvement, groundwater control and dewatering, liquefaction mitigation, releveling structures, slope stabilization, support of excavation, underpinning, and instrumentation and monitoring. Keller is the largest geotechnical specialty contractor in the world with over 65 offices throughout the US and Canada. | Keller’s full range of geotechnical construction techniques has been applied to hundreds of mining projects. Our solutions for mining include tailings management, tailings dam stabilization, deep shaft and excavation support, mine abandonment solutions, groundwater migration control, instrumentation and monitoring, and increasing mineral recovery with our patented leachate recovery process. By connecting global resources and expertise with local knowledge and focus, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges. Keller builds projects designed by others and offers full design-build services for any geotechnical construction application. Keller was founded in 1860 and is the largest geotechnical specialty contractor in the world with ongoing operations in over 40 countries across 5 continents. With a North American presence of over 100 years, Keller operates as the market leader with over 65 offices throughout the US and Canada and is the sole source for a complete geotechnical construction solution optimally designed to meet clients’ needs. Legacy North America Keller companies include Bencor, Case Atlantic, Case Foundation, Hayward Baker, HJ Foundation, Keller Canada, McKinney Drilling, and Moretrench.
Kalenborn Abresist Corporation
In the mining industry wear protection is crucial for enhancing the longevity and efficiency of equipment. Kalenborn specializes in providing durable, high-quality wear protection products for various stages of many production processes. Our wear-resistant materials, pipe systems, and customer-specific solutions ensure a comprehensive approach to maintaining the integrity of industrial plants and machinery. Our proven solutions allow our customers to know they have the best wear and corrosion solutions available. From raw material handling, crushing, grinding, separation, flotation, classification, wastewater treatment, product handling, and tailings management, we have an engineered solution designed to extend the operating life over existing materials.
JHL Constructors
JHL Constructors is a 100% employee-owned builder with over 37 years in business. We are a fully integrated, Colorado-based and Colorado-focused construction firm, serving our clients in the markets of Infrastructure and Vertical Building. Within Infrastructure, JHL’s Mining work program specializes in: Reclamation, Expansion, Decommissioning, and Environmental Controls.
Hunt Electric
Since 1986, Hunt Electric has been providing industry-leading services for various commercial, industrial, mining, mission-critical, road and highway, and many other market sectors. Our value-added, competitive turn-key services range from innovative and highly technical design-build, BIM, and electrical installation for multi-million dollar projects to routine facility services, lighting retrofits, and power quality analyses.