Montajes Industriales EOS, S.A. (MIESA)

On-Site Industrial Services and Equipment

Montajes Industriales EOS, S.A. (MIESA) was founded in 1989 and provides on-site services and equipment and tools for industrial installation and maintenance. Its headquarters are in Casarrubuelos, Madrid, with branches in Cartagena and Tarragona in Spain and in Venezuela and Argentina. The company also works through a network of distributors and representatives in the Iberian Peninsula and South America.

Core Services

• Weld heat treatment, including preheating, stress relief, carbide dissolution, portable-furnace work, and refractory drying.
• Controlled bolt tightening and tensioning, including calculations and procedures.
• On-site machining, including cutting and beveling, milling, flange facing, boring, and portable lapping.
• Repair, maintenance, and testing of industrial valves.
• Tube-bundle removal and cleaning, including high-pressure water cleaning.
• Industrial installation and maintenance, engineering, and consulting.

Products and Equipment

MIESA sells and rents a broad range of equipment and tools from its own inventory, including:

• Heat-treatment equipment and consumables, including heating elements, burners, recorders, thermocouple wire, and ceramic insulation.
• Bolt-tightening and tensioning tools, including tensioners, hydraulic torque wrenches, torque multipliers, and hydraulic pumps.
• On-site machining equipment, including milling and boring machines, beveling machines, and saws.
• Tube-bundle pullers and high-pressure water-cleaning equipment.
• Tube-bundle maintenance tools, including tube expanders, tube cutters, and test guns.
• Valve equipment, including lappers, grinders, and test benches.
• Hydraulic cylinders and other hydraulic tools from Power Team.

Brands

The company represents international manufacturers including Cooperheat, Unigrind, Peinemann Equipment, Teco Tube Expanders, SPX Bolting Systems, Power Team, and Mactech. The equipment is manufactured in Europe or the United States and delivered with certificates.

Certifications and Quality

MIESA has been audited by BM Trada (ENAC) and meets ISO 9001:2015 (Certificate No. 0237), ISO 14001:2015 (Certificate No. 0314), and ISO 45001:2018 (Certificate No. 0039). Its records are calibrated and traceable through organizations such as UKAS and ENAC.

Coverage and Response

The company offers delivery of rental equipment within 24 hours anywhere in Spain and arranges shipments worldwide. It specializes in emergency work and provides service 24 hours a day, 365 days a year. MIESA has its own repair shops and approved equipment for inspection and calibration.

Industries Served

Its services and equipment are used in refineries, nuclear power plants, shipbuilding, solar-thermal power plants, combined-cycle power plants, and the chemical and petrochemical industries, among others.