
With over 40 years of expertise, Lizmontagens has grown into a trusted global leader in refractory linings and metal structures.
Our story began in 1978, when we became an independent company, uniting the installation teams of Cerâmica do Liz under one dedicated banner. Since then, our passion for industrial excellence has driven us to expand worldwide, delivering high-performance solutions across multiple sectors.
In 1998, our commitment to growth took us beyond borders with our first direct investment in France. This pivotal step deepened our technical know-how in the glass industry and laid the foundation for expansion across Central and Eastern Europe. Through strategic acquisitions and strong partnerships, we’ve successfully entered new markets while staying agile and responsive to our clients’ needs.
Today, Lizmontagens stands as a recognized leader in the container glass and flat glass industries, with a strong footprint in steel, energy, incineration, petrochemical, and lime sectors. Precision, safety, and environmental responsibility are the cornerstones of everything we do. We proudly hold top-tier certifications in hygiene, safety, and environmental management, demonstrating our unwavering commitment to sustainability and operational excellence.
As a key member of the LTT Group — a global network of 37 companies and over 7,000 specialized professionals — we continue to shape the future of industrial solutions. Driven by innovation and a passion for quality, we are building a more efficient, sustainable, and resilient industrial landscape for generations to come.
OUR MISSION
At Lizmontagens, we deliver excellence in the construction of industrial furnaces, ensuring maximum efficiency and long-lasting performance for every project.
With highly skilled teams, best-in-class safety practices, rigorous environmental monitoring, and a deep commitment to sustainable construction, we guarantee the highest standards of service.
Lizmontagens stands for quality, safety, and efficiency. This is our daily commitment.
OUR VALUES
Excellence
We strive for the highest standards of quality, continuously improving our processes and services through innovation.
Safety
Safety is at the heart of everything we do. We ensure safe working environments for our employees, partners, and the communities we engage with.
Social Responsibility
We actively support the social and economic development of the communities where we operate, helping to build a more inclusive and prosperous future.
Collaboration
We value teamwork and strong partnerships, fostering a culture of cooperation and shared growth.
Integrity
We conduct all our business with honesty, ethics, and transparency, earning the trust of our clients, partners, employees, and communities.
Sustainability
We adopt responsible practices that minimize environmental impact and promote the preservation of natural resources, driving sustainable development.
Innovation
Encouraging creativity and the pursuit of innovative technological solutions is part of our DNA, always aiming to deliver added value to our clients.
Respect
We treat everyone with dignity and respect, embracing diversity and promoting an inclusive, equitable, and fair environment.
The LTT group

LTT – Engineering Passion, commitment to the future
LTT is a global leader in the construction and maintenance of industrial furnaces, driven by a passion for excellence and a strong commitment to sustainability.
Our mission is to transform industries and make a positive impact on environmental sustainability, delivering outstanding service to industrial clients around the world. With a legacy built on innovation, quality, and dedication, LTT is ready to lead the future of industrial solutions.
Our roots go back to 1897, with the founding of the Cerâmica do Liz brick and tile factory. In 1978, our journey in industrial services officially began with the creation of LIZMONTAGENS. Since then, we have evolved, expanded across the globe, and taken on new challenges, becoming pioneers in the construction and maintenance of industrial furnaces.
Today, the LTT Group comprises 37 companies operating on every continent, supported by a dedicated team of over 7,000 skilled professionals. Together, we serve our industrial clients with the highest standards of quality and play a vital role in building a more efficient, sustainable, and resilient future.
👉 Learn more about our Group at groupltt.com