Weir Minerals

Weir Minerals, established in 1871 and headquartered in Fort Worth, Texas, specializes in providing processing solutions to the mining sector. The company leverages its extensive technical expertise and global network to deliver tailored, integrated solutions that enhance mining efficiency and sustainability. Weir Minerals offers a range of equipment, including classification and separation, crushing and grinding machinery, as well as robust wear lining materials. These products help minimize downtime, increase throughput, and protect expensive assets. Additionally, Weir Minerals provides critical components and services for the oil and gas industry, supporting drilling, well completion, production, and downstream operations worldwide.

John Heasley

CFO

Brian Puffer

CFO

James Weir

Founder

28 past transactions

Micromine

Acquisition in 2025
Micromine is a leading provider of software solutions for the mining industry, offering tools that cover the entire mining cycle from geological exploration and data management to resource estimation, mine design, planning, and production control. Established 36 years ago, the company has expanded its reach to over 2,000 sites in more than 90 countries. Micromine's software is recognized for its user-friendly interface combined with robust functionality, allowing clients to maximize asset value, enhance productivity, and make informed decisions. The company's modular software integrates various tools for modeling, estimation, and design, effectively capturing and interpreting critical mining data. With a strong commitment to research and development, Micromine continues to set new standards in innovation and excellence within the mining and resources sectors, supported by local experts and available in multiple languages.

Sentian.AI

Acquisition in 2023
Sentian.AI is an Artificial Intelligence and Machine Learning company that specializes in enhancing operational efficiency across various industries. The company develops advanced systems focused on predictive maintenance, anomaly detection, and multidimensional optimization. Its solutions include intelligent control optimization as a service, which significantly boosts yield and productivity, and intelligent optimization for logistics and planning, aimed at improving overall operational effectiveness. By transitioning businesses from basic analytics to sophisticated, optimized systems, Sentian.AI enables substantial improvements in performance, sustainability, and efficiency.

Carriere Industrial Supply

Acquisition in 2022
Carriere Industrial Supply is a manufacturer and distributor based in Lively, Ontario, specializing in engineered wear products and services for the mining industry. The company offers a wide range of solutions, including descender systems, ground-engaging tools, hydraulic mining shovels, buckets, rope shovels, mine ore bins, and abrasion-resistant pipes. By leveraging advanced equipment management software and service offerings, Carriere Industrial Supply aims to enhance clients' productivity while helping them reduce operating expenses. Their diverse product line also extends to sectors such as construction, forestry, and aggregate, demonstrating their commitment to providing cost-effective solutions tailored to various industrial needs.

Motion Metrics

Acquisition in 2021
Motion Metrics is a Canadian technology company specializing in artificial intelligence and computer vision to enhance mine safety, productivity, and energy efficiency. The company provides solutions such as missing tooth detection for shovels and loaders, tooth wear monitoring, payload monitoring, boulder detection for haul trucks, and particle size analysis for various mining equipment. These market-leading technologies have been implemented at over 60 mines across six continents and are relied upon by some of the world's largest mining companies. Motion Metrics maintains offices in Canada, Chile, South Africa, Australia, and Russia to offer swift, localized support to its clients.

TongFu Microelectronics

Post in 2020
Tongfu Microelectronics Co., Ltd is a prominent player in the semiconductor industry, specializing in integrated circuit (IC) assembly and testing services. Established in 1997 and headquartered in Nantong, China, the company offers a diverse range of packaging solutions, including wafer-level, flip chip, ball grid array, and various plastic packaging types. Its products cater to numerous applications, including wireless communications, power management, memory, microprocessors, and automotive devices. Tongfu Microelectronics also provides comprehensive support through test platforms and engineering services for analog, mixed-signal, and digital semiconductor devices. The company's focus on meeting the demands of system manufacturers and its alignment with national industrial policies underscore its role in the coordinated development of the semiconductor supply chain. Formerly known as Nantong Fujitsu Microelectronics Co., Ltd, the company rebranded in December 2016 to reflect its growth and commitment to innovation in the semiconductor market.

Esco

Acquisition in 2018
Esco is a leading designer, manufacturer, and service provider of mission-critical equipment and wear products for the mining, construction, and industrial sectors. With over 100 years of expertise in metals, alloys, and wear materials, Esco is recognized for its innovative solutions that enhance safety and productivity for its customers. The company specializes in a wide range of products, including draglines, cable shovels, face shovels, and wear parts such as tooth systems and crusher components. Esco's commitment to product innovation and superior metallurgy ensures that its offerings are reliable and durable, providing optimum value to clients. The company's global engineering and technical teams support customers throughout the entire process, from initial design to product creation and maintenance, solidifying Esco's position as a leader in surface mining and infrastructure development markets.

Kop Surface Products

Acquisition in 2017
KOP Surface Products, established in 1970, is a Singapore-based company that specializes in designing, manufacturing, and supplying critical surface equipment for the oil and gas industry. Its product range includes wellheads, surface trees, valves, and actuators, all of which are produced to meet international quality standards. KOP also offers comprehensive life-of-field support services, such as installation, maintenance, rental, and refurbishment, ensuring optimal performance and longevity of its products. With a client base comprising major industry players, KOP operates as a subsidiary of The Weir Group PLC.

Delta Industrial Valves

Acquisition in 2015
Delta Industrial Valves, Inc. is a manufacturer and distributor of knife gate valves, primarily serving various industrial sectors including steel mills, paper mills, power plants, and chemical plants. Founded in 1987 by Wannis Parris and William and Carol Robison, the company initially focused on distributing American-made valves to the iron and steel industries in the Midwest. In 1989, under new leadership, Delta shifted its business model to include the manufacturing of high-quality knife gate valves, responding to market demands and the closure of a local foundry. This strategic pivot allowed the company to establish a global distribution network. Delta Industrial Valves’ products are utilized in applications such as water treatment, fly ash handling, and powdered chemical conveyance. The company is headquartered in Niles, Michigan, and operates as a subsidiary of The Weir Group PLC.

TRIO Engineered Products

Acquisition in 2014
TRIO Engineered Products is a manufacturer specializing in crushing and separation equipment for the mining and aggregates industries. The company leverages innovative engineering and advanced design techniques to create durable and efficient machinery that performs well under extreme conditions. TRIO's products are designed for easy maintenance and a long operational lifespan, ensuring cost-effectiveness for their users. All equipment is supported by a one-year warranty and a commitment to ongoing service, reflecting the company's dedication to customer satisfaction and quality assurance.

Metra Equipment

Acquisition in 2014
Metra Equipment Inc. supplies wellhead equipment and provides related services.

Aspir Pty.

Acquisition in 2013
Aspir Pty., Ltd provides increased minerals classification solutions and a more complete range of coal processing solutions.

Xmeco Foundry

Acquisition in 2013
Xmeco opened for business in 1951 and is a manufacturing facility with in-house Design, R&D, Foundry, Machine shop and Assembly facilities. Xmeco has been ISO 9001 certified since 1998 and currently holds a BBBEE level 4 rating. The two primary products that Xmeco offers to our customers, are Resistance Welding Equipment and Machined Non-Ferrous Castings. Xmeco offers a range of spot welding equipment that we design, manufacture, install and support. We also offer and support complimentary products from several international brands. Xmeco is also a globally approved manufacturer for several ranges of spot weldguns according to automotive company specifications. Xmeco's non-ferrous castings are supplied to all industry sectors. These can be supplied finished machined or as raw castings. Xmeco also offers design and development support for new cast products along with general machining services.

R. Wales & Son

Acquisition in 2013
R. Wales & Son specializes in the design and manufacture of rubber and wear-resistant products, including piping systems and elastomer-lined components. The company offers a range of specialty rubber products under the RWales™ brand, which are tailored for various industries such as minerals, coal, hard rock, and oil sands, and are exclusively available in Canada. For international markets, R. Wales & Son provides the Linatex® range of rubber products and process equipment. In addition to its core product offerings, the company produces wear-resistant linings, industrial pipes, valves, slurry pump wear parts, flotation wet ends, mill liners, and pulp lifters, demonstrating its commitment to serving diverse industrial needs.

Cheong Foundry

Acquisition in 2013
Cheong Foundry is a manufacturer specializing in the production and fabrication of ferrous sand castings. The company offers a diverse range of ferrous products, including carbon steels, heat-resistant steels, stainless steels, nickel base steels, alloy steels, cast irons, ductile irons, ni-hard irons, and wear-resistant irons. Operating in Malaysia, Cheong Foundry is dedicated to delivering high-quality steel castings and structural metals to meet various industrial needs.

Mathena

Acquisition in 2012
Mathena, Inc. specializes in designing and manufacturing mud-gas pressure control solutions for the energy industry. The company provides a range of products, including choke manifolds, hydraulic drilling chokes, mud-gas separators, shale-gas separators, ecological containment systems, driveovers, gas vent line igniters, atmospheric degassers, premix tanks, trip tanks, and production pits and volume tanks. These products are essential for managing and venting abnormal mud-gas pressures from the well bore to the active mud system, ensuring safe and efficient operations in the oil and gas sector.

Novatech

Acquisition in 2012
Novatech operates as a manufacturer of valves and valve seats for the upstream oil and gas industry.

Gema Industrigummi

Acquisition in 2012
Gema Industrigummi is manufactures and sells conveyor belts and provides maintenance services for the mining industry.

Seaboard Holdings

Acquisition in 2011
Seaboard Holdings is manufactures oil and gas pressure control equipment.

Ynfiniti Engineering Services

Acquisition in 2010
Ynfiniti Engineering Services S.L. is a specialized firm based in Pozuelo de Alarcón, Spain, focused on providing operation and maintenance services across the wind, solar photovoltaic, and thermo solar energy sectors. Established in 2006, the company engages in energy installation developments for diverse generation projects, including wind farms and photovoltaic plants. It offers a comprehensive range of services, including project planning, engineering, project management, supervision, and maintenance of existing wind farms. Ynfiniti also delivers various systems such as navigational light, elevation, and predictive maintenance systems. Additionally, the company provides services related to thermo solar power, as well as construction, inspections, and training. It serves a global clientele across multiple countries, including the United States, Italy, Greece, Romania, and India, and operates international offices in locations such as the United Kingdom and Brazil. The firm also maintains a training center in Madrid, enhancing its commitment to quality and expertise in the renewable energy sector.

BDK Engineering Industries

Acquisition in 2010
BDK Engineering Industries is manufactures valves for the oil and gas, petrochemical and power markets. BDK Engineering Industries Limited manufactures and exports valves, pumps, and other chemical industry products. It offers diaphragm, butterfly, PFA lined, gate, globe, check, plug, ball, forged steel, and knife gate valves. The company also provides actuators, gear boxes, and solenoid valves. Its products are used in chemical and process industries, refineries, petrochemicals and fertilizer plants, pharmaceuticals, oil exploration, thermal and nuclear plants, food and beverage industries, effluent treatment and sewerage plants, water treatment, cooling water and water supply plants, and mining industries.

Linatex

Acquisition in 2010
Linatex is a global provider of wear-resistant products to the mining and sand and aggregates industries, based in Kuala Lumpur, Malaysia.

Weir Power & Industrial France

Acquisition in 2010
Weir Power & Industrial France is designs and manufactures industrial machinery.The Company offers valves, pumps, solar panels, wind farm products, hydro turbines, and industrial steam turbines as well as aftermarket and support services.

Standard Oilfield Services

Acquisition in 2008
Standard Oilfield Services threads and repairs oilfield tubulars.

Weir MESA

Acquisition in 2008
Weir Mesa has been providing reliable oilfield products to the industry.

Multiflo Pumps Pty

Acquisition in 2007
Multiflo Pumps Pty is specialist mine dewatering pump business. Multiflo Pumps Pty Ltd. designs and manufactures mine dewatering skids and pontoons, underground pumping systems, and hydraulic power-packs for mining and oil/gas industries. Its products include pumps for various mining environments, including open-cut coal mines, underground coal mines, open-cut iron-ore mines, and gold mines; and the Hydrau-Flo fuel pressure control valve system for use in the prevention of build up of pressure in the fuel tank during and after filling, and for use in preventing the fuel nozzle from being overridden.

SPM Flow Control

Acquisition in 2007
SPM Flow Control, Inc. manufactures and supplies well service pumps, flow control products, and high pressure flow control components and equipment for the oil and gas industry. It also offers flow control recertification and repair services, cement head testing services, pump repair services, and flow control and restraint system rental packages.

Weir Gabbioneta

Acquisition in 2005
Weir Gabbioneta is a specialist petrochemical pump business located in Milan, Italy. Gabbioneta manufactures speciality pumps primarily for the downstream end of the oil and gas market. The company’s customers include oil majors and leading engineering contractors and is ranked number three in the European, Middle East and African petrochemical pump market.

EnviroTech Pumpsystems

Acquisition in 1994
EnviroTech Pumpsystems is engineers, manufactures, and sells pumps and related equipment for the municipal wastewater market in the United States.
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