Renzo Arletti

RDB Srl engages in the design, production, and installation of prefabricated buildings and structures. It operates through the Prefabricated and Building Materials segments. The Prefabricated segments offers prefabricated reinforced concrete structures for industrial, commercial, and logistical buildings and infrastructures. The Building Materials segment provides Gasbeton concrete bricks and external facing bricks for residential buildings. The company was founded by Aride Breviglieri, Prospero Rizzi, Desiderio Rizzi, Leonardo Rizzi, and Daniele Donelli in 1908 and is headquartered in Pontenure, Italy.

Gruppo Ceramiche Ricchetti SpA is a holding company, which engages in the business of manufacturing, distributing, and marketing ceramic materials for all requirements in the architecture, interior design, and building construction fields. Its products include floor and wall tiles for indoor and outdoor, porous single-fired tiles, porous double-fired tiles, and porcelain stoneware. The company was founded on November 30, 1968 and is headquartered in Maranello, Italy.

Iris Ceramica SpA manufactures and markets ceramic floor and wall tiles for residential, commercial, and industrial projects. Its products include Porcelain wood, Caleido, Le Vie della Seta 75, Brilliant, MA.DE, Le Vie della Seta, Metal Line, Idea Casa, Neobarocco, Contemporanea, Color design, Domino Mosaici, Petra Aeterna, Romantica, and Materia and Forma. The company was founded by Romano Minozzi in 1961 and is headquartered in Fiorano Modenese, Italy.

GranitiFiandre SpA engages in the production and distribution of vitrified stoneware materials for architectural solutions including pre and post sales complementary services. Its solutions and segments encompass production and distribution of vitrified porcelain slabs as well as containing the Granitech division operating in the ventilated walls and raised floors sector. The company was founded by Romano Minozzi in 1961 and is headquartered in Castellarano, Italy.

SACMI Cooperativa Meccanici Imola SC manufactures machines and complete plants. It designs and constructs machines and complete plants for ceramics, packaging, food, automation and service companies, refractories, extruded products, heavy clay, structural ceramics, sanitaryware, tableware, technical ceramics, carbon anodes and metal forging. The company was founded by Luigi Santandrea, Filiberto Gamberini, Tiepolo Castaldi, Paolo Nonni, Giovanni Bartoli, Guido Selvatici, Vincenzo Franceschelli, Aldo Galassi and Armando Panari on December 2, 1919 and is headquartered in Imola, Italy.

Negri Bossi SpA manufactures and distributes plastic injection moulding equipment. It designs, develops and produces plastic injection moulding machines for thermoplastic materials. Its products are used for industries including motor vehicles, medical, electrical, construction, telecommunications, computers, home appliances, furniture, packaging, technical items, toys, household articles, agriculture and sporting equipment. The company was founded in 1947 and is headquartered in Cologno Monzese, Italy.

RDB Terrecotte Srl is an Italian company that manufactures bricks and structural clay tiles. The private company is based in Pontenure, Italy.

RDB Hebel SpA operates as prefabricated building company. The company is headquartered in Pontenure, Italy.