Construction Oman awards $51.4 million Sohar Industrial Estate contract By Oman’s Public Establishment for Industrial Estates (PEIE) has awarded a $51.4 million contract for infrastructure development as part of the phase-seven expansion of Sohar Industrial Estate. PEIE, a government body formed to develop industry in Oman, has awarded the contract to Hasan Juma Backer Trading and Contracting Co (HJB), the Muscat Daily reported.