About Exhibition The Big 5 Construct Saudi 2026 will be held from 30th August - 2nd September 2026 at Riyadh Front Exhibition & Conference Center in Riyadh, Central Province, Saudi Arabia. This is a leading trade exhibition and expo, connecting the construction industry in Saudi Arabia. It is a showcase of global products, technology, and innovation that will service this rapidly growing economy driven by significant government investment. It will provide ample opportunities for attendees to connect with industry professionals, government officials, and potential business partners.