Tetra: specialists Since 1984, the company TETRA accompanies you to solve your most delicate problems in the special works and the works of difficult access. The technical mastery of its engineers and technicians and the competence of its field teams allow it to offer the best solutions in terms of quality , reliability and safety. TETRA operates throughout France where it has “works offices” as well as abroad. Do not hesitate to consult us, even for an "insoluble" problem. COMPLIANCE SUPPORT SPECIAL FOUNDATIONS PARAVALANCHE WORKS PROTECTION AGAINST FALLING STONES Tetra Special foundations, reinforcement and support, protection against falling rocks and boulders, avalanche protection. 8 Rue Plaine-Chaux ZA La Croix de Pierre 25580 Etalans Phone : 03 81 65 07 40 Fax: 03 81 58 40 65 Mail : tetra@tetra.fr © 2018 Tetra (SA) - Legal notices - Cookies - Made by PagesJaunes