Who We Are
CITERGAZ is born of the Company A. Silva Matos – Indústria Metalúrgica Lda., with headquarters in Sever do Vouga. Founded in 1980 by Adelino da Silva Matos and Edite da Silva and Costa Matos, it was initially designed for stainless steel constructions destined to the food industry, evolving later in other directions. In 1989, it changed its headquarters to the Albergaria-a-Velha Industrial Park, and in 1990 it started to produce pressurized and liquid fuel tanks. In 1994, CITERGAZ changed to the current designation of a joint-stock company.
Brand Evolution

30 Years in 2019



History
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1980
Founded by Adelino da Silva Matos and Edite da Silva and Costa Matos, CITERGAZ is born from the Company A. Silva Matos – Indústria Metalúrgica Lda., headquartered in Sever do Vouga. Initially, A. Silva Matos was dedicated to stainless steel constructions intended for the food industry. However, it has evolved in other directions, thanks to the strategy established, later to be renamed as A. Silva Matos, Metalomecânica S.A.
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1989
A. Silva Matos - Metalomecânica S.A. through a joint venture with CITERGAZ, S.A. (France), gave rise to CITERGAZ – Caldeiraria and Manutenção Lda. (Portugal) being intended for the manufacture of this gas mini tanks. This year CITERGAZ changes its headquarters to the Industrial Park of Albergaria-A-Velha, Aveiro.
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1990
CITERGAZ – Caldeiraria e Manutenção Lda. starts to produce liquid fuel reservoirs and pressure reservoirs. This year, A. Silva Matos - Metalomecânica S.A. is certified by IPQ, according to ISO 9002, becoming the first company in its sector to obtain such distinction. Three years later, it obtains the TÜV Sudwest certification.
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1994
CITERGAZ becomes a Joint Stock Company.
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1995
A. Silva Matos - Metalomecânica S.A. acquires the shares of CITERGAZ S.A. (France), and is renamed, again, CITERGAZ - Caldeiraria e Manutenção Lda. Still during this year, CITERGAZ is certified by IPQ, according to ISO 9002.
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2003
CITERGAZ – Caldeiraria e Manutenção Lda. transition from its Quality Management System to ISO 9001:2000.
Vision
At CITERGAZ, we aim to be recognized by our competence and ability, in the actions of our mission, to be pioneers in innovative technical solutions of high quality, that allow to satisfy the growing need of our clients, through a business model conscious and based on the sustainable protection of the environment and the improvement of the Occupational Health and Safety conditions of the Organization and our employees.
Mission
At CITERGAZ we have the mission of creating value through competent and motivated employees, meeting the needs and requirements of our customers and stakeholders, providing effective and professional solutions that match the needs of our customers in the fuels, gases and in the water segment, providing products of the highest quality to anywhere on the globe.
Values
CITERGAZ’s business activity focuses on certain fundamental values: globality, authenticity, responsibility, competence, innovation, environment, and safety.
Main Clients

Areas of expertise
Currently, the production of CITERGAZ – Caldeiraria e Manutenção SA includes:
- Single wall liquid fuel tanks;
- Double wall liquid fuel tanks;
- Double wall steel tanks;
- High-density polyethylene tanks;
- Compressed air tanks;
- Hydropneumatic tanks;
- Reservoirs for compact WWTP’s;
- Other welded constructions.
Awards
PME Certification IQNET 2015, 2016, 2017 and 2018
PME Excellence Industry in 1998, 1999, 2000 and 2001
PME Leader since 2008