Industrial equipment maintenance companies play a pivotal role in ensuring that machinery and systems operate at peak performance. These firms typically focus on preventive maintenance, repair services, and system optimization across various sectors, including manufacturing, energy, and healthcare. With the growing importance of efficiency and sustainability, the industry is shifting towards predictive maintenance, which leverages technology and data analysis. This approach aims to reduce downtime and extend equipment lifespans, catering to a market increasingly focused on minimizing operational disruptions and maximizing output.


The companies featured in this listing vary in size and specialization, with employee counts ranging from small teams to thousands worldwide. They are headquartered in locations from the USA to Europe and Asia, showcasing their global outreach. Established between the early 1950s and 2019, these firms cover several areas, including mechanical repair, engineering, and consulting services, catering to sectors like oil and gas, healthcare, and manufacturing. Together, they underscore the vibrant, evolving nature of the industrial maintenance sector.


Top 22 Industrial Equipment Maintenance Companies


1. Allied Reliability

  • Website: alliedreliability.com
  • Ownership type: Corporate
  • Headquarters: Houston, Texas, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Latest funding: December 2022
  • Founded year: 1997
  • Headcount: 201-500
  • LinkedIn: alliedrel

Allied Reliability, founded in 1997 and based in Houston, Texas, is a consulting firm that specializes in maintenance and reliability solutions for industrial organizations. With a workforce of approximately 476 employees, the company provides a wide range of services designed to enhance equipment performance and operational efficiency. Their offerings include asset management strategy, reliability consulting, staffing, and repair services. Allied Reliability serves clients across various industries, such as chemical processing, food and beverage, healthcare, mining, oil and gas, and pharmaceuticals. The firm emphasizes a proactive approach to maintenance, helping organizations optimize their asset lifecycles and minimize downtime. Their expertise in reliability solutions positions them as a valuable partner for companies seeking to improve their operational capabilities and reduce maintenance costs.


2. Notra Oy

  • Website: notra.fi
  • Ownership type: Private
  • Headquarters: Rauma, Satakunta, Finland
  • Employee distribution: Finland 100%
  • Founded year: 2019
  • Headcount: 51-200
  • LinkedIn: notra-oy

Notra Oy, established in 2019 and based in Rauma, Finland, is a private company that specializes in industrial maintenance and project management. With a workforce of 51-200 employees, Notra provides a comprehensive range of services aimed at enhancing production efficiency and minimizing operational downtime. Their expertise spans equipment maintenance, automation, and safety solutions tailored for the industrial sector. Notra prides itself on its ability to respond flexibly to client needs, whether it involves urgent repairs or long-term maintenance contracts. The company serves a varied clientele, from small businesses to larger industrial operations, ensuring that all projects, regardless of size, receive the same level of attention and expertise. Notra's focus on proactive maintenance and modernization reflects its commitment to helping clients optimize their production processes and maintain high safety standards.


3. Blackstone Industrial Services

  • Website: blackstoneindustrial.com
  • Ownership type: Corporate
  • Headquarters: Sherwood Park, Alberta, Canada
  • Employee distribution: Canada 67%, United States (USA) 20%, Italy 7%, Other 6%
  • Latest funding: June 2023
  • Founded year: 2003
  • Headcount: 201-500
  • LinkedIn: blackstone-industrial-services

Blackstone Industrial Services, based in Sherwood Park, Alberta, Canada, is an industrial services company that has been operational since 2003. The firm specializes in maintenance, repair, and engineering solutions tailored for critical rotating and static equipment. With a workforce of approximately 140 employees, Blackstone serves key industries such as oil and gas, power generation, and agriculture. Their service offerings include industrial services, repair services, parts management, engineering, and industrial cleaning and maintenance. The company emphasizes minimizing equipment downtime and optimizing performance, which is crucial for their clients' operational efficiency. Blackstone has established a significant presence in North America and has expanded its reach to international markets, including Italy and Spain. Their strategic partnerships and focus on safety and quality have positioned them as a reliable service provider in the industrial sector.


4. Industrial Service Solutions

  • Website: iss-na.com
  • Ownership type: Private Equity
  • Headquarters: Houston, Texas, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Latest funding: December 2022
  • Founded year: 2007
  • Headcount: 1001-5000
  • LinkedIn: industrial-service-solutions

Industrial Service Solutions (ISS), founded in 2007 and based in Houston, Texas, is a private equity-owned company that specializes in industrial services, particularly equipment maintenance, repair, and overhaul. The company serves a wide array of sectors, including manufacturing and oil and gas, providing critical services to ensure operational efficiency. ISS offers a comprehensive range of services, including rotating mechanical equipment services, process equipment maintenance, and field services. Their capabilities extend to custom manufacturing and machining, showcasing their ability to meet specific client needs. With over 1,700 employees and more than 50 locations across the United States, ISS is positioned to deliver timely and effective solutions to its customers. The company emphasizes safety and has a strong focus on minimizing equipment downtime through quick response times and competitive pricing for spare parts. Their digital solutions and advanced monitoring systems further enhance their service offerings, allowing for predictive maintenance and improved operational efficiency.


5. Enerco Group AB

  • Website: enerco.se
  • Ownership type: Private
  • Headquarters: Hofors, Gavleborg, Sweden
  • Employee distribution: Sweden 100%
  • Founded year: 2015
  • Headcount: 501-1000
  • LinkedIn: enerco

Enerco Group AB, based in Hofors, Gavleborg, Sweden, is a private industrial service provider that specializes in maintenance, cleaning, manufacturing, and development services tailored for the Swedish industry. Founded in 2015, Enerco has rapidly grown to employ approximately 950 individuals, showcasing its ability to scale operations effectively. The company focuses on enhancing operational efficiency and safety for its industrial clients through a range of services, including mechanical maintenance, industrial cleaning, and project management. Enerco's commitment to sustainability is evident in its approach to industrial cleaning and maintenance, where they prioritize environmentally friendly practices. Their extensive experience in handling complex projects positions them as a reliable partner for various industrial needs.


6. Manufacturing Maintenance Solutions, Inc (MMS)


Manufacturing Maintenance Solutions, Inc (MMS) is a private maintenance service provider based in Pekin, Illinois, specializing in comprehensive maintenance and repair solutions for industrial and commercial clients. Established in 2002, MMS focuses on optimizing operations through tailored services, including facility maintenance, industrial machine repair, and engineering services. The company prides itself on its commitment to customer satisfaction and operational efficiency, positioning itself as a trusted partner for businesses aiming to minimize downtime and enhance productivity. With a workforce of 201-500 employees, MMS has built a reputation for delivering high-quality maintenance services, supported by a culture of safety and continuous improvement. Their extensive service offerings cater to various sectors, ensuring that clients receive the expertise needed to maintain their operations effectively.


7. Elfe


Elfe Manutenção S.A., based in Tamoios, Rio de Janeiro, Brazil, is an industrial maintenance and facilities management company that has been operational since 1994. With a workforce of approximately 2,776 employees, Elfe specializes in mechanical maintenance, facilities management, and technical support services. The company serves both public agencies and private sector clients, ensuring compliance with safety standards and operational efficiency across various industries. Elfe has a notable presence throughout Brazil, with offices and operational bases strategically located in multiple states. Their service portfolio includes maintenance of dynamic process equipment, logistical technical support, and facility management. Elfe has also achieved significant certifications, including ISO 37001 and ISO 19600, which reflect their commitment to good governance and compliance. Despite currently being in judicial recovery, Elfe continues to focus on delivering quality services and maintaining strong client relationships, particularly in sectors like oil and gas and energy.


8. ISPT Group

  • Website: isptgroup.com
  • Ownership type: Private
  • Headquarters: Oeiras, Lisbon, Portugal
  • Employee distribution: Portugal 100%
  • Founded year: 1996
  • Headcount: 51-200
  • LinkedIn: ispt-industrialservices

ISPT Group, based in Oeiras, Lisbon, Portugal, has been operational since 1996. This private company employs around 74 individuals and specializes in industrial services, particularly in engineering, construction, and maintenance. They cater to a variety of sectors, including energy, petrochemicals, and healthcare, providing tailored solutions to manage complex industrial operations efficiently. ISPT Group's services include condition analysis, project coordination, and facility management, along with specialized maintenance for both static and dynamic industrial equipment. Their extensive experience with national and multinational companies highlights their capability in the industrial maintenance field. The company also emphasizes innovation through research and development projects, aiming to enhance efficiency and sustainability in industrial practices.


9. Grupo NPE

  • Website: npegroup.com.br
  • Ownership type: Private
  • Headquarters: Sao Paulo, Sao Paulo, Brazil
  • Employee distribution: Brazil 100%
  • Founded year: 2002
  • Headcount: 5001-10000
  • LinkedIn: grupo-npe

Grupo NPE, based in São Paulo, Brazil, is an industrial service provider that specializes in maintenance, construction, and engineering services. Established in 2002, the company has grown to employ between 5,001 and 10,000 individuals, with a significant presence across Brazil. Grupo NPE serves large enterprises in sectors such as petrochemicals, energy, and mining, providing tailored solutions aimed at enhancing operational efficiency and reducing downtime. The company operates through several subsidiaries, including NPE Service, NPE Industrial, and NPE Facilities, each focusing on specific aspects of industrial maintenance and support. Their commitment to safety and quality is reflected in their adherence to international standards, including ISO 9001 and ISO 45001. Grupo NPE's extensive experience and specialized services position it as a key player in the industrial maintenance sector.


10. Decatur Industrial Electric, Inc.


Decatur Industrial Electric, Inc. is a private company based in Decatur, Illinois, founded in 1952. With a workforce of approximately 44 employees, the company has established itself as a significant player in the industrial service sector, particularly in electro-mechanical solutions. They provide a wide array of services, including equipment repair, maintenance, and asset management, catering to industries such as agribusiness, food and beverage, metals and steel, mining, oil and gas, and power generation. Their service center is equipped to handle large industrial electric motors, gearboxes, pumps, and other specialized production equipment. Decatur Industrial Electric prides itself on being a strategic partner for its clients, offering 24/7 support to minimize production downtime and enhance operational efficiency. The company has received recognition for its safety record and commitment to quality service, further solidifying its reputation in the industrial maintenance field.


11. Ofs

  • Website: ofsl.ie
  • Ownership type: Private
  • Headquarters: Naas, Kildare, Ireland
  • Employee distribution: Ireland 45%, United States (USA) 32%, Algeria 5%, Other 18%
  • Founded year: 2002
  • Headcount: 51-200
  • LinkedIn: oilfield-solutions

OFS, founded in 2002 and based in Naas, Kildare, Ireland, is a private service company that specializes in providing technical and maintenance services to the energy sector. With a workforce of approximately 197 employees, OFS has established itself as a reliable partner for clients in power generation, oil and gas, and renewable energy. The company offers a comprehensive range of services, including rotating equipment repair, operations and maintenance support, and lifecycle management. Their expertise extends to asset integrity documentation and training solutions, catering to the needs of energy companies and manufacturers. OFS operates globally, with a significant presence in the United States, Algeria, Indonesia, and the United Kingdom, showcasing their ability to support clients across various regions. Their commitment to quality and customer satisfaction is evident in their partnerships with original equipment manufacturers and their focus on developing long-term relationships with clients and suppliers.


12. Mbali Industrial Solutions


Mbali Industrial Solutions (MIS) is a private, black woman-owned company based in Alberton, Gauteng, South Africa, founded in 2007. With a workforce of approximately 51-200 employees, MIS has established itself as a provider of industrial solutions, particularly in engineering and maintenance services. The company offers a comprehensive range of products and services, including precision turning, general machining, and plant maintenance. Their clientele primarily consists of businesses in the power generation and manufacturing sectors, which require dependable solutions for equipment maintenance and technical support. Notably, MIS has undertaken significant projects with major clients such as Eskom, BP, and ACSA, demonstrating their capability to manage large-scale industrial maintenance tasks. The company prides itself on reliability, accountability, and ethical practices, aiming to build long-term partnerships with its clients. With over 15 years of experience, MIS is well-equipped to deliver effective solutions across Southern Africa.


13. Phoenix Energy Services Inc.


Phoenix Energy Services Inc., founded in 2014 and based in Grande Prairie, Alberta, is a private industrial services company that provides a wide array of solutions tailored for the energy, mining, and municipal sectors. With a workforce of 213 employees, the company emphasizes a collaborative approach to meet the specific needs of its clients. Their service offerings include Electrical & Instrumentation, Automation, Engineering, and Safety Services, all of which are crucial for enhancing operational efficiency and safety in industrial settings. Phoenix Energy is particularly noted for its maintenance and repair services, ensuring that equipment operates at peak performance with minimal downtime. Their commitment to safety is evident in their specialized safety services, which include H2S protection and emergency medical support. The company operates under strict codes of practice, ensuring high standards in all their projects. Phoenix Energy's focus on monitoring and tracking equipment maintenance further solidifies its role in the industrial equipment maintenance sector.


14. Jernbro Industrial Services

  • Website: jernbro.com
  • Ownership type: Private Equity
  • Headquarters: Sweden
  • Employee distribution: Sweden 99%
  • Latest funding: January 2020
  • Founded year: 2016
  • Headcount: 501-1000
  • LinkedIn: jernbro

Jernbro Industrial Services, established in 2016, is a private equity-owned company based in Sweden that specializes in industrial maintenance. With a workforce of approximately 378 employees, Jernbro provides a wide array of services aimed at improving safety, efficiency, and sustainability for its clients. Their offerings include maintenance management, component service, and engineering solutions, catering to sectors such as manufacturing and mining. Jernbro operates through a network of around 35 locations, ensuring they are close to their customers for prompt support. The company has developed a unique approach to maintenance, known as the Jernbro Maintenance Way, which focuses on evaluating and enhancing maintenance operations to reduce costs and improve reliability. This method reflects their commitment to delivering high-quality service and adapting to the evolving needs of the industry.


15. Renown Electric Motors & Repair Inc.


Renown Electric Motors & Repair Inc. is a private service company based in Vaughan, Ontario, Canada, specializing in the repair and maintenance of electric motors and generators. Founded in 1984, the company has built a solid reputation for providing high-quality services to a wide range of industries, including manufacturing, mining, oil and gas, and wastewater management. With a workforce of approximately 39 employees, Renown Electric operates both in Canada and the United States, ensuring that they can meet the needs of their clients across borders. Their service offerings include field services such as in-field rewinding and motion amplification monitoring, as well as shop services like gearbox rebuilding and motor drive repair. They also emphasize preventative and predictive maintenance, utilizing advanced techniques like vibration analysis and infrared thermography to help clients avoid costly downtime. Renown Electric is ISO 9001:2015 certified and holds various qualifications for servicing motors and generators in hazardous locations, underscoring their commitment to quality and safety in their operations.


16. Aqmo

  • Website: aqmo.fr
  • Ownership type: Private
  • Headquarters: Blanquefort, Nouvelle-Aquitaine, France
  • Employee distribution: France 100%
  • Founded year: 1993
  • Headcount: 51-200
  • LinkedIn: aqmo

Aqmo, based in Blanquefort, Nouvelle-Aquitaine, France, is an industrial maintenance service provider that specializes in optimizing production systems for various businesses. Established in 1993, the company has grown to employ around 102 professionals, focusing on predictive, preventive, corrective, and improvement maintenance services. Aqmo is dedicated to enhancing the efficiency and reliability of industrial equipment, ensuring that their clients can maintain high productivity levels. With multiple locations across the southwest of France, including Bordeaux, Pau, and Toulouse, Aqmo emphasizes a strong local presence, which allows for quick response times and the development of long-term client relationships. The company prides itself on its employee ownership structure, fostering a culture of responsibility and innovation among its staff. Aqmo's commitment to training and development further strengthens its position in the industrial maintenance sector, as it continuously seeks to improve the skills and capabilities of its workforce.


17. MacLellan Integrated Services, Inc.

  • Website: maclellanlive.com
  • Ownership type: Corporate
  • Headquarters: Lexington, Kentucky, United States (USA)
  • Employee distribution: United States (USA) 79%, India 15%, Canada 6%
  • Latest funding: January 2013
  • Founded year: 1994
  • Headcount: 1001-5000
  • LinkedIn: maclellan-integrated-services-

MacLellan Integrated Services, Inc., founded in 1994 and based in Lexington, Kentucky, is a service-oriented company that specializes in cleaning and maintenance services tailored for manufacturing environments. With a workforce of over 600 employees, the company provides a range of services including critical process cleaning, HVAC maintenance, and wastewater management. Their primary clientele includes businesses in the automotive and aerospace sectors, where they focus on enhancing operational efficiency and safety performance. MacLellan's commitment to quality and cost reduction has made them a trusted partner for many manufacturing firms. The company has received several awards for safety and performance, underscoring its dedication to excellence in service delivery.


18. Durus Industrial, LLC

  • Website: durusindustrial.com
  • Ownership type: Private
  • Headquarters: Chandler, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2011
  • Headcount: 51-200
  • LinkedIn: durus-industrial-llc

Durus Industrial, LLC, founded in 2011 and based in Chandler, Arizona, is an industrial service company that specializes in welding, mechanical, and millwright services. The company primarily caters to clients in the mining and power generation sectors, focusing on the maintenance and repair of critical equipment to ensure operational efficiency and safety. Durus Industrial has developed a reputation for delivering quick and efficient service, with a strong emphasis on safety and quality. Their skilled workforce includes certified welders and experienced millwrights, who are trained to handle a variety of industrial challenges. The company also offers long-term mechanical maintenance service agreements, showcasing their commitment to ongoing support for their clients. Durus Industrial's mission is to provide high-quality service while maintaining the highest safety standards, making them a reliable partner in the industrial equipment maintenance sector.


19. LEPAGE Group

  • Website: lepage-group.com
  • Ownership type: Private
  • Headquarters: Charleroi, Wallonia, Belgium
  • Employee distribution: Belgium 100%
  • Founded year: 2016
  • Headcount: 201-500
  • LinkedIn: lepage

LEPAGE Group, founded in 2016 and based in Charleroi, Wallonia, Belgium, is a private industrial service provider with a workforce of approximately 250 employees. The company specializes in project management, welding, and mechanical maintenance, catering to clients in sectors such as energy, steelmaking, and pharmaceuticals. LEPAGE Group is dedicated to ensuring the operational efficiency of production equipment through its comprehensive maintenance and installation services. Their expertise extends to mechanical and electromechanical operations, where they handle general maintenance tasks, valve work, and rotating machinery. The company prides itself on its skilled workforce and a strong commitment to customer satisfaction, positioning itself as a key player in the industrial maintenance sector.


20. PRUFTECHNIK Group

  • Website: pruftechnik.com
  • Ownership type: Corporate
  • Headquarters: Ismaning, Bavaria, Germany
  • Employee distribution: Germany 33%, China 14%, Poland 14%, Other 38%
  • Latest funding: July 2019
  • Founded year: 1972
  • Headcount: 501-1000
  • LinkedIn: pr-ftechnik-group

PRUFTECHNIK Group, founded in 1972 and based in Ismaning, Bavaria, Germany, is a corporate entity that specializes in machine maintenance services. The company focuses on alignment, condition monitoring, and nondestructive testing solutions, catering to industries such as Wind Energy and Mining. With a workforce of approximately 501-1000 employees, PRUFTECHNIK operates in over 70 countries, providing advanced technologies and services designed to optimize machine performance and reliability. Their offerings include a range of products and services, such as vibration analysis, laser alignment, and remote condition monitoring, which are crucial for ensuring the operational efficiency of industrial assets. The company also emphasizes training and consulting, further enhancing its role in the maintenance sector.


21. Industry Service Partner, SIA


Industry Service Partner, SIA, based in Riga, Latvia, is an industrial service company founded in 2003. With a workforce of 51-200 employees, the company specializes in equipment maintenance, repair, and consulting services tailored to various sectors, including metalworking, energy, and real estate. Their mission is to enhance operational efficiency for business clients through customized maintenance solutions and effective project management. ISP offers a comprehensive suite of services, including equipment maintenance, one-time repairs, building services, and process automation. They also conduct audits and provide training, showcasing their commitment to improving client operations. The company operates entirely within Latvia, ensuring a focused approach to local industrial needs.


22. Gestión de Mantenimiento y Procesos S.L.


Gestión de Mantenimiento y Procesos S.L. (GMP S.L.) is a private company based in Zaragoza, Spain, specializing in industrial maintenance and automation services. Established in 2004, GMP S.L. has built a reputation for providing comprehensive maintenance solutions tailored to various industries, including automotive, food, electronics, and pharmaceuticals. The company employs a team of over 50 professionals with extensive experience in the industrial sector. Their service offerings include industrial maintenance, safety compliance, technical assistance, and training, all aimed at helping clients maintain operational efficiency and adhere to safety standards. GMP S.L. is dedicated to delivering personalized and responsive service, positioning itself as a reliable partner for businesses seeking to optimize their maintenance processes.



Industrial Equipment Maintenance Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
Allied ReliabilityHouston, Texas, United States (USA)201-5001997Corporate
Notra OyRauma, Satakunta, Finland51-2002019Private
Blackstone Industrial ServicesSherwood Park, Alberta, Canada201-5002003Corporate
Industrial Service SolutionsHouston, Texas, United States (USA)1001-50002007Private Equity
Enerco Group ABHofors, Gavleborg, Sweden501-10002015Private
Manufacturing Maintenance Solutions, Inc (MMS)Pekin, Illinois, United States (USA)201-5002002Private
ElfeTamoios, Rio De Janeiro, Brazil1001-50001994Private
ISPT GroupOeiras, Lisbon, Portugal51-2001996Private
Grupo NPESao Paulo, Sao Paulo, Brazil5001-100002002Private
Decatur Industrial Electric, Inc.Decatur, Illinois, United States (USA)51-2001952Private
OfsNaas, Kildare, Ireland51-2002002Private
Mbali Industrial SolutionsAlberton, Gauteng, South Africa51-2002007Private
Phoenix Energy Services Inc.Grande Prairie, Alberta, Canada201-5002014Private
Jernbro Industrial ServicesSweden501-10002016Private Equity
Renown Electric Motors & Repair Inc.Vaughan, Ontario, Canada51-2001984Private
AqmoBlanquefort, Nouvelle-Aquitaine, France51-2001993Private
MacLellan Integrated Services, Inc.Lexington, Kentucky, United States (USA)1001-50001994Corporate
Durus Industrial, LLCChandler, Arizona, United States (USA)51-2002011Private
LEPAGE GroupCharleroi, Wallonia, Belgium201-5002016Private
PRUFTECHNIK GroupIsmaning, Bavaria, Germany501-10001972Corporate
Industry Service Partner, SIARiga, Riga, Latvia51-2002003Private
Gestión de Mantenimiento y Procesos S.L.Mexico51-2002004Private


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