Our company

NISMAR is a company made up of the fusion of two other companies, CONSTRUCTORA NISTAL Y BELLO, S.A. and MARIANO MAROÑAS HERNÁN, S.A., both consolidated businesses with extensive experience in the construction, building, and civil engineering sector.

Mission and philosophy

We undertake our work with a firm commitment to our private and public customers, fostering an environment of human development within a framework of profitable and sustainable growth, with innovation, quality, and professionalism.

Track record

We are convinced that the trust our customers place in us and our team’s talent will help us to continue along the promising path that has been NISMAR’s since 1981, investing in technological innovation and social development.

The value of trust


Many people and institutions have placed their trust in NISMAR.
We work hard to be leaders in the sector and be a quality, effective, and sustainable brand committed to the economic and social progress of the countries where we work.

These are some of our latest projects:

Construccion de Tanque de pluviales para Apex (4)
Construcción de Tanque de Pluviales | Riego de la Vega (León)

Construcción de Tanque de pluviales para reforma del sistema de saneamiento mediante la ejecución de una red de tuberías de 200 m de longitud para el bombeo de aguas pluviales hacia un tanque de tormentas parcialmente enterrado.

Rehabilitación integral de vivienda en Villadepalos Leon (4)
Rehabilitación integral de vivienda | Villadepalos (León)

Rehabilitación integral de vivienda, compuesta de planta baja, primera y bajo cubierta en Villadepalos (León)

Reforma integral El Toralin
Reforma integral de las instalaciones de El Toralín | S.D. Ponferradina S.A.D

La S.D. Ponferradina acomete una ambiciosa reforma en el Estadio Municipal “El Toralín”. Renovación completa de los vestuarios, gimnasio, sala fisioterapia, SPA, zona experience, sala de prensa y oficinas del club.

Building for you since 1981