complete solutions

Engineering, design, manufacturing, certification and delivery.

Comprehensive range of high value-added solutions.
By maintaining full control of the process, we ensure the complete execution of your project.
Dream About

Need a storage solution? We build it!

Years of experience
+35
Water, energy, environment, and mobility.
We help our clients achieve their goals through our solutions.

Solutions

Areas of expertise

No matter the challenge, we can help! Our team identifies the most relevant insights and applies integrated technologies in innovative ways to boost your business.

Talk to one of our specialists and get free advice!
Contact Us
Compressed Air / O₂ / N₂

We provide reliable storage solutions for oxygen, nitrogen, and compressed air — safe and efficient systems tailored to your company’s needs.

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Engineering and Certifications

- Quality Management System certification according to the NP EN ISO 9001:2008 standard
- Standards for the construction of storage tanks: API 650, EN 14015, EN 12285-1/2
- Standards for the construction of pressure equipment: ASME SEC. VIII DIV 1/2, AD-MERKBLÄTTER, PD 5500, CODAP, EN 13445, EN 286-3, EN 12285-1/2
- Standards for the construction of steel structures: EN 1090 EXC2

Water Solutions

We specialize in the development and manufacturing of potable water tanks, water hammer protection systems, water treatment and reuse units, as well as customized solutions for desalination plants. Safe and sustainable solutions.

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Silos

We manufacture metal silos for the safe and long-lasting storage of solid or granular materials, tailored to each client’s needs.

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Hydrogen and Ammonia

We operate in the development and manufacturing of hydrogen and ammonia storage tanks, with a focus on safety, structural integrity, and compliance with international standards. Our solutions cover different stages of the value chain and are designed for industrial and energy applications.

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To help our clients turn their dreams into action, we rely on an experienced and skilled team, essential to the success of your investments. We’re here to assist with any challenge that may arise on the path to success.  Contact us
See all
banner-about-citergaz
Who are we

A team
at your service

With 35 years of experience and proven success in the market, Citergaz stands out as a company guided by clear principles:

We offer a comprehensive range of high value-added solutions for the energy, water, and environmental sectors, with a strong commitment to sustainability reflected throughout our product line.

Citergaz ensures full control and in-house execution of every stage of the process — from certified engineering and design to production, certification, audits, and testing.
We manage direct delivery to clients, insuring maximum efficiency, quality, and trust.

In short, we provide a complete, integrated, and fully controlled solution that ensures speed, reliability, and excellence in every delivery.
Know more
1 m2
Manufacturing area
1 m2
Total area
1 m2
Warehouse area
Years of experience
+35
From idea to final solution

Based on your needs, we design, manufacture, and deliver!

Where we are

Advantages of
a strategic location

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Seaports
Our location offers privileged access to two major seaports: the Port of Leixões, about 70 km away, and the Port of Aveiro, approximately 30 km away.
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Airport
We are located about 75 km from Porto Airport, one of the largest and most important airports in the country.
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Train lines
We are also located very close to the Aveiro train station, which makes our location even more strategic.
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icon_autoestrada
Highways
We are also served by two of the country’s main highways: the A1, about 7 km from our facilities, and the A25, approximately 4 km away.
autoestrada_pt3
icon_portos
Seaports
Our location offers privileged access to two major seaports: the Port of Leixões, about 70 km away, and the Port of Aveiro, approximately 30 km away.
icon_aeroportos
Airport
We are located about 75 km from Porto Airport, one of the largest and most important airports in the country.
icon_comboio
Train lines
We are also located very close to the Aveiro train station, which makes our location even more strategic.
icon_autoestrada
Highways
We are also served by two of the country’s main highways: the A1, about 7 km from our facilities, and the A25, approximately 4 km away.
portos_pt3
aeroportos-pt3
comboio_pt3
autoestrada_pt3

Tailored solutions. Real results. Goals achieved.

Contact one of our sales representatives or send us your details, and we’ll get in touch with you shortly!

Based on your needs, we design, develop, and deliver complete solutions that integrate engineering, design, manufacturing, certification, and logistics. 
Contact Us
geral@citergaz.com +351 234 520 000
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