ingegneri.info: the Italian Engineers Community

edilportale.com: the Italian search engine for building industry

IngegneriaSoft.com: software for civil engineering and architecture, portals on building and engineering

Lavori Pubblici: online technical information from Italian Ministry for Public Works

InformazioniTecniche.it: companies, firms, profesionals, manufacturers and suppliers operating in the building industry

Commodity.com: guide to crude oil 

Sicurezzaonline.it: everything concerning safety

NIST: National Institute of Standards and Technology

(Revised on 2020-09-30)