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.
May 18, 2026
MAPEI
MAPEI is a leading manufacturer of installation materials for Construction and Restoration Systems (CRS), including the maintenance of cast-in-place concrete. Our Admixtures division delivers innovative technologies and advanced solutions for concrete manufacturing. MAPEI also produces systems for moisture mitigation, including self-adhering sheet and cold fluid-applied waterproofing, in addition to surface preparation products. Products include, but are not limited to, moisture barriers; concrete additives; structural strengthening; and concrete repair products. We are a member of the U.S. Green Building Council. MAPEI is certified to the stringent standards of ISO 9001 , ISO 45001, and ISO 14001. | MAPEI Corporation has supplied residential and major commercial projects with total installation solutions for tile and stone, floor coverings, and decorative concrete, as well as concrete restoration, the maintenance of cast-in-place concrete, and admixtures for 85 years. Our Cement Additives Division (C-ADD) delivers innovative technologies and advanced solutions for cement manufacturing. Our Admixtures division provides custom-manufactured concrete products ranging from admixtures to pre-cast, to ready-mix, to paving, our innovative, technology-driven solutions, service and technical support are unmatched. Our Underground Technology Team (UTT) provides customized solutions for the underground and mining industries including chemicals for shotcrete, mechanized tunneling, injection and waterproofing technologies. We are committed to assisting the cement industry in building efficient and sustainable businesses. MAPEI also produces systems for surface preparation before the installation of floor coverings. Products include, but are not limited to, mortars; grouts; wood, carpet and vinyl adhesives; self-levelers; moisture barriers; concrete additives; structural strengthening; and concrete repair products. Founded in 1937 in Milan, MAPEI is now one of the world’s leading manufacturers of chemical products for the building industry and has contributed to the construction of some of the most important architectural and infrastructure works worldwide. With 100 subsidiaries operating in 57 countries and 86 manufacturing plants in 35 nations, MAPEI Group employs about 11,000 staff worldwide. The foundation for the success of the company is specialization, internationalization, research & development, and sustainability. Headquartered in Deerfield Beach (Florida), MAPEI North America consists of the subsidiaries MAPEI Corporation (for the USA), MAPEI Inc. (for Canada) and MAPEI Caribe (for Puerto Rico and other Caribbean islands), whose 28 facilities collectively have a workforce of about 1,800 employees. We are a member of the U.S. Green Building Council. MAPEI is certified to the stringent standards of ISO 9001 for quality management and ISO 14001 for environmental management. Visit www.mapei.us or call 1-800-426-2734 (1-800-42-MAPEI) for more information. | Established in 1937 in Milan, MAPEI Group, a global corporation, based in Milan, Italy, has 100 subsidiaries operating in 57 countries and 86 manufacturing plants in 35 nations. MAPEI is a world-leading manufacturer of mortars, grouts, adhesives, and products for floor & wall covering installation, including the installation of wood and resilient coverings. MAPEI manufactures products for building, including waterproofing products, admixtures for concrete & repair products, and decorative & protective exterior coatings. The foundation for the success of the company is specialization, internationalization, research & development, and sustainability. Headquartered in Deerfield Beach (Florida), MAPEI North America consists of the subsidiaries MAPEI Corporation (for the USA), MAPEI Inc. (for Canada) and MAPEI Caribe (for Puerto Rico and other Caribbean islands), whose 28 facilities collectively have a workforce of more than 1,800 employees. We are a member of the U.S. Green Building Council. MAPEI is certified to the stringent standards of ISO 9001 for quality management and ISO 14001 for environmental management. MAPEI is also a registered provider to the AIA/CES program and offers online and socially distanced in-person training for architects, contractors, installers and distributors through the MAPEI Technical Institute. For more about MAPEI, visit www.mapei.com or call 1-800-42-MAPEI (1-800-426-2734). | Established in 1937 in Milan, MAPEI Group, a global corporation, based in Milan, Italy, has 96 subsidiaries operating in 57 countries and 93 manufacturing plants in 35 nations. MAPEI is a world-leading manufacturer of mortars, grouts, adhesives, and products for floor & wall covering installation, including the installation of wood and resilient coverings. MAPEI manufactures products for building, including waterproofing products, admixtures for concrete & repair products, and decorative & protective exterior coatings. The foundation for the success of the company is specialization, internationalization, research & development, and sustainability. Headquartered in Deerfield Beach (Florida), MAPEI North America consists of the subsidiaries MAPEI Corporation (for the USA), MAPEI Inc. (for Canada) and MAPEI Caribe (for Puerto Rico and other Caribbean islands), whose 26 facilities collectively have a workforce of more than 2,000 employees. We are a member of the U.S. Green Building Council. MAPEI is certified to the stringent standards of ISO 9001 for quality management, ISO 45001 for health and safety, and ISO 14001 for environmental management. MAPEI is also a registered provider to the AIA/CES program and offers online and socially distanced in-person training for architects, contractors, installers and distributors through the MAPEI Technical Institute. For more about MAPEI, visit www.mapei.com or call 1-800-42-MAPEI (1-800-426-2734). | Founded in 1937 in Milan, MAPEI is now one of the world’s leading manufacturers of chemical products for the building industry and has contributed to the construction of some of the most important architectural and infrastructure works worldwide. With over 106 associated manufacturing plants in 42 countries, MAPEI Group employs more than 13,200 employees worldwide. The foundation for our success is specialization, internationalization, research & development, and sustainability. And, we meet the needs of our customers with the most comprehensive offering of products for commercial, residential, industrial, and infrastructure projects. MAPEI has supplied residential and major commercial projects with total installation solutions for tile and stone (including mortars, grouts, adhesive products for floor- and wall-covering installation), and decorative concrete, as well as concrete restoration and repair products, waterproofing solutions, and admixtures for concrete, and decorative & protective exterior coatings, underground technology, and products for the marine industry for more than 85 years. Headquartered in Deerfield Beach (Florida), MAPEI in North America consists of the subsidiaries MAPEI Corporation (for the USA), MAPEI Inc. (for Canada), and MAPEI Caribe (for Puerto Rico and other Caribbean Islands). MAPEI is a member of the U.S. Green Building Council. A registered provider to the AIA/CES program, MAPEI also offers online and in-person training through the MAPEI Technical Institute. MAPEI facilities have been certified to the stringent standards of ISO 9001 for quality management, ISO 45001 for occupational health and safety, and ISO 14001 for environmental management. Visit www.MAPEI.com or call 1-800-426-2734 (1-800-42-MAPEI) for more information. | Tunneling, underground construction & mining projects have unique & challenging characteristics. MAPEI’s UTT understands this, providing a broad range of products, technologies & engineering expertise for these projects. Visit www.mapei.com/us/utt | Tunneling, underground construction and mining projects have unique and challenging characteristics due to their complexity. MAPEI’s UTT (Underground Technology Team) engineers and experts understand these challenges and focus on providing a broad range of products and technologies along with expertise and know-how for the tunneling, underground construction and mining industries. These solutions include chemicals for shotcrete, mechanized tunneling, injection and waterproofing technologies. These products are manufactured by MAPEI with the goal of completely satisfying every technical requirement of our customers, from applicator to the contractor to the client. | Accelerators, Air-detraining agents, Air-entraining agents, Corrosion inhibitors, Fiber reinforcement, form-release agents, Masonry products, products for recycling concrete, Retarders, Shrinkage Reducers, Silica Fume, Specialty admixtures and Superplasticizers.
May 18, 2026
Kiewit
Kiewit has been a trusted partner in the mining and mineral processing industry for over 75 years. We offer engineering and construction services that span the entire project life cycle. From conceptual and feasibility studies through early contractor constructability reviews leading to self-perform construction and commissioning, our team has the experience, equipment and people to provide the solutions for your project needs. | Since the 1970s, our skilled project teams have successfully built various mining, mineral processing and metals facilities, including expansion and upgrade projects at operating plants across North America. Today, our expert teams offer comprehensive solutions for every project stage, including feasibility, engineering, construction and commissioning services to ensure seamless project delivery. Our decades of experience in these markets have helped us refine our processes for developing reliable estimates and execution approaches. We achieve this by combining constructability knowledge with construction-driven engineering and world-class safety performance. | As one of North America’s largest and most respected construction and engineering organizations, Kiewit has delivered more than 2,000 projects in the past 60 years that deal with the treatment, storage, or conveyance of water. The company is ranked No. 3 on the Engineering News-Record listing of top contractors and holds top-five rankings in eight different water- or environmental-related markets. Kiewit offers integrated, single-source solutions for all aspects of water system work. These include: • Project development • Financing support • Permitting • Detailed engineering/design • Construction • On-call contracting • Startup and commissioning As both a self-performing designer and contractor, Kiewit’s diverse, water-focused professionals sustain its track record of on-time, on-budget delivery by incorporating progressive design and construction best practices across all discipline areas and through a wide range of contractual models. Kiewit is focused on the following water industry markets: • Water treatment • Wastewater treatment and biosolids management • Desalination • Industrial water • Dams and hydropower • Pump stations and conveyance Kiewit’s focus is on construction execution and final project results that meet or exceed client goals. It leverages professionals’ experience, knowledge, and lessons learned from planning and delivering successful water solutions for clients over the past six decades to advance collaborative solutions for clients today. We design with the end top of mind, driving: • Realistic, transparent, and achievable plans • Safe and efficient construction • Practical integration of equipment
May 18, 2026
Hatch
We embrace your visions as our own and partner with you to develop ideas that are smarter, more efficient, and innovative. Our global network of 10,000 professionals work on the world’s toughest challenges, with experience spanning over 150 countries around the world in the metals, energy, and infrastructure sectors. Employee-owned and independent—free to bring our best thinking to your business. Our exceptional, diverse teams combine vast engineering and business knowledge, working in partnership with our clients to develop market strategies, manage and optimize production, develop new game-changing technologies, and design and deliver complex capital projects. Our people are passionate about our corporate purpose and values. We believe in long-term relationships with our partners, and are committed to our clients’ lasting success. We are “entrepreneurs with a technical soul.” | Hatch is the AI growth engine for service businesses, with AI CSRs across voice, SMS, and email that enable you to convert more leads, increase revenue efficiency, and accelerate growth at every stage. Whether you’re a one-crew shop or a national brand, Hatch scales the same conversion engine—AI-powered 1:1 communication—so you can grow without added headcount, complex software, or costly answering services. | At Hatch’s Bulk Material Handling, we specialize in providing innovative and efficient solutions for the transportation, storage, and processing of bulk materials. With over 65 years of industry experience, our team of experts is dedicated to delivering customized systems that meet the unique needs of each client. From conveyors and hoppers to silos and pneumatic systems, we offer a comprehensive range of products designed to optimize your operations and enhance productivity. Our commitment to quality, safety, and sustainability ensures that our solutions not only meet but exceed industry standards. Partner with Hatch’s Bulk Material Handling and experience the difference that expertise and innovation can make in your material handling processes. | We embrace your visions as our own and partner with you to develop ideas that are smarter, more efficient, and innovative. Our global network of 10,000 professionals work on the world’s toughest challenges, with experience spanning over 150 countries around the world in the metals, energy, and infrastructure sectors. Employee-owned and independent—free to bring our best thinking to your business. Our exceptional, diverse teams combine vast engineering and business knowledge, working in partnership with our clients to develop market strategies, manage and optimize production, develop new game-changing technologies, and design and deliver complex capital projects. | Hatch We embrace your visions as our own and partner with you to develop ideas that are smarter, more efficient, and innovative. Our global network of 10,000 professionals work on the world’s toughest challenges, with experience spanning over 150 countries around the world in the metals, energy, and infrastructure sectors. PROJECT DELIVERY EXCELLENCE – Bringing projects to market with sound fundamentals and innovation. CHAMPIONING A LOWER CARBON FUTURE – Our energy sector is driven by innovation and sustainability, focusing on delivering comprehensive solutions in Power and Oil & Gas. CRITICAL METALS AND MINERALS – Our sustainable future will require a robust supply of minerals, many of which are essential for the production of renewable energy technologies. MAKING THE COMPLEX SEEM SIMPLE- New challenges are transforming the way we do business: climate change, market volatility, rapid urbanization, rising stakeholder expectations. We can help solve | Passionately committed to the pursuit of a better world through positive change. We embrace your visions as our own and partner with you to develop ideas that are smarter, more efficient, and innovative. Our global network of 10,000 professionals work on the world’s toughest challenges, with experience spanning over 150 countries around the world in the metals, energy, and infrastructure sectors. Employee-owned and independent—free to bring our best thinking to your business. Our exceptional, diverse teams combine vast engineering and business knowledge, working in partnership with our clients to develop market strategies, manage and optimize production, develop new game-changing technologies, and design and deliver complex capital projects. Our people are passionate about our corporate purpose and values. We believe in long-term relationships with our partners and are committed to our clients’ lasting success.
May 18, 2026
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.
May 18, 2026
Cowin & Company/Raisebor
Mining Construction and Engineering services. Raise boring projects. Owner of the largest raisedrill and fleet in the USA
May 18, 2026
Caterpillar
Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed. Caterpillar does business on every continent, principally operating through the three primary segments – Construction Industries, Resource Industries and Energy & Transportation – and providing financing and related services through our Financial Products segment. | Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed. | Cat® Electric Power has over 80 years of experience and deep technical expertise designing innovative energy solutions for a wide range of commercial and industrial applications. Our experts are ready to help you customize total site solutions to meet your specifications. Count on your local Cat dealer for quick response times and support for the life of your power system. | Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For nearly 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed. | Caterpillar is committed to helping its customers build a better, more sustainable world. In addition to providing equipment and power solutions to the construction and mining industries, we also deliver advanced technology and autonomy solutions that help keep people safe, optimize operational efficiency and minimize environmental impact | To make it in the construction industry, you have to be tough. You’re up against challenging projects, increasing restrictions, tight schedules and rising safety concerns. That’s why having the right partner makes the difference. Caterpillar offers a full line of industry-leading equipment, a local dealer support network and the latest technology. We’re here to help you tackle every task as you build a successful business | Caterpillar Mining has one focus: Caterpillar mining customers around the world. In collaboration with the global Cat® dealer network, we are a single-source solution for the mining industry. We develop products, technologies, services and solutions for both surface and underground operations and assemble mining-focused people and expertise to help address their challenges and meet their business needs. Together with our dealers, we have dedicated, experienced teams on the ground near every mining operation in the world, working alongside our customers to help them mine better — more efficiently and effectively, safely and sustainably, productively and profitably. | Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed. Caterpillar does business on every continent, principally operating through three primary segments – Construction Industries, Resource Industries and Energy & Transportation – and providing financing and related services through our Financial Products segment. | The work may be under your feet, but you’re looking ahead—to the next challenge and the next deadline. We’re right there with you. Caterpillar is here to help you choose the best options from the industry’s broadest line of construction and paving equipment. We deliver the parts, service and expertise to keep those paving machines running efficiently, and providing real-world, hands-on training and resources to help your crew master the latest techniques and technologies. We’re here to support you from the ground up.
May 18, 2026
Brookville Equipment Corp
Brookville Equipment Corporation (BROOKVILLE) is a leading manufacturer of rail mounted and rubber tired equipment serving the mining, tunneling, freight and passenger locomotives, and specialty vehicles. Founded in 1918 and headquartered in Pennsylvania, BROOKVILLE specializes in battery, diesel, and electric equipment engineered for demanding underground and industrial environments. From locomotives and personnel carriers to custom haulage solutions and specialty vehicles, BROOKVILLE combines disciplined engineering, vertically integrated manufacturing, and proven field performance to deliver reliable, application-specific equipment that meets customer specifications and industry standards. | Brookville Equipment Corporation is the leading manufacturer of specialized vehicles used in underground mining and tunneling construction for transporting materials and personnel. Producing rail-mounted and rubber-tired vehicles, each designed to meet the demanding specifications of a customer’s unique application. BROOKVILLE units come in battery, diesel, or overhead wire. BROOKVILLE’s underground equipment is currently being used worldwide in the mining of coal, hard rock, precious metals, as well as tunnel construction projects. Committed to leading the mining industry, BROOKVILLE manufactures innovative, cost effective, productive, reliable, and safe solutions to transporting materials and personnel. Visit our website for information.