Solutions Engineering

Solutions Engineering

More than 45 years developing engineering projects for industrial facilities in all technical specialties

+45 Years of Experience
9 Strategic Sectors
100% Commitment
Boost your Project

Sectors We Transform

Multi-sector experience with specialized engineering solutions for each industry

Oil & Gas

Oil & Gas

EIA21 has nearly 50 years of experience in the Oil & Gas sector, with strong specialization in downstream, refining, and complex industrial projects. We develop engineering and EPCM solutions for refineries, process plants, and industrial assets, optimizing efficiency, reliability, and operational costs.

Renewable Gases

Renewable Gases

EIA21 develops engineering solutions for renewable gases and decarbonization projects, with specialization in green hydrogen, biogas, biomethane, oxygen, and CO₂. We combine expertise in industrial processes and energy transition to design efficient, sustainable facilities tailored to new energy models.

Decarbonization

Decarbonization

EIA21 drives industrial decarbonization projects through engineering solutions focused on emission reduction, energy efficiency, and the integration of sustainable technologies. We combine industrial expertise, innovation, and technical feasibility to accelerate the transition toward low‑carbon production models.

Energy

Energy

EIA21 has extensive experience in power generation projects and electrical infrastructure, developing engineering solutions for both conventional and renewable technologies. We cover all project phases, from design to commissioning, ensuring efficiency, safety, and operational reliability.

Water Treatment

Water Treatment

EIA21 develops engineering solutions for wastewater treatment, desalination, demineralization, and industrial water reuse, designing efficient and sustainable systems aimed at optimizing water consumption, ensuring water quality, and meeting the most demanding environmental requirements.

Industrial Plants

Industrial Plants

EIA21 develops engineering projects for industrial plants across sectors such as steel and metallurgy, mining, glass, ceramics, pulp and paper, food, and cement. With nearly 50 years of experience, we drive technological modernization, energy efficiency, and process optimization through sustainable solutions and advanced digital tools.

Chemical

Chemical

EIA21 has extensive experience in engineering for chemical and petrochemical plants, developing highly complex industrial projects. We provide solutions focused on the design, modernization, and optimization of facilities, ensuring operational safety, process efficiency, and compliance with the most demanding environmental regulations.

Naval

Naval

EIA21 develops naval and offshore engineering projects for vessels and maritime infrastructure, providing solutions focused on safety, operational reliability, and performance optimization. Our experience includes the design, modernization, and supervision of naval systems in highly demanding marine environments.

R&D&I

R&D&I

EIA21’s R&D&I (Research, Development and Innovation) activities focus on developing innovative solutions for industrial engineering, integrating digitalization, automation, and advanced technologies to enhance the efficiency, sustainability, and competitiveness of industrial projects.

Featured Projects

More than 40 years transforming industries with excellent engineering solutions

Green Park 5 Anaerobic Digestion and Biomethane Production Plant
Renewable Gases

Green Park 5 Anaerobic Digestion and Biomethane Production Plant

EIA21 delivered multidisciplinary engineering services for the Green Park 5 Anaerobic Digestion and Biomethane Production Plant in Italy, focusing on the integration of mechanical and electrical systems. Starting from the basic engineering phase, the project involved defining the main equipment and ensuring its seamless integration within the plant.

Precious Metals Recovery Pilot Plant Optimization
Industrial plants

Precious Metals Recovery Pilot Plant Optimization

EIA21 developed the detailed engineering required to diagnose and improve the leaching process of a catalyst recycling pilot plant, enhancing process reliability and operational performance.

Engineering for a Plastic Waste Pyrolysis Plant
Industrial plants

Engineering for a Plastic Waste Pyrolysis Plant

EIA21 developed the basic engineering and CAPEX estimation required to scale up a chemical recycling pilot plant based on plastic waste pyrolysis, enabling the production of recycled pyrolysis oil for circular economy applications.

Thermal Oil Circuit Optimization for a Food Processing Plant
Decarbonization

Thermal Oil Circuit Optimization for a Food Processing Plant

EIA21 developed a basic engineering study to analyze and improve the performance of the thermal oil circuit at the Eurosnacks production facility in Medina del Campo (Valladolid, Spain), optimizing heat distribution and increasing overall energy efficiency.

Modernización de Turboexpansores en Planta de Separación de Aire
Renewable Gases

Modernización de Turboexpansores en Planta de Separación de Aire

Ingeniería de detalle y supervisión para la sustitución de turboexpansores en una planta de separación de aire, garantizando la integración de equipos y la continuidad operativa del proceso.

Latest News

Stay up to date with the latest news and innovations

EIA21 Achieves AENOR BIM ISO 19650 Certification
1 June 2026

EIA21 Achieves AENOR BIM ISO 19650 Certification

At EIA21, we continue to strengthen our commitment to excellence, innovation and digital transformation. We are proud to announce that EIA21 has obtained the BIM ISO 19650 Certification awarded by AENOR, the international standard for information management in construction and engineering projects using BIM methodologies. This certification recognizes EIA21’s ability to manage project information efficiently, collaboratively and in a structured manner throughout the entire asset lifecycle, ensuring higher quality, improved traceability and enhanced coordination among all project stakeholders. The implementation of BIM methodologies in accordance with ISO 19650 enables EIA21 to: Optimize processes and improve operational efficiency. Reduce risks and minimize project development errors. Support data-driven decision-making. Increase transparency and collaboration with clients, contractors and partners. This achievement reinforces EIA21’s position as an industrial engineering company aligned with the most demanding international standards, with digital transformation playing a key role in addressing the challenges of modern industry.

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