Ortec Project & Infrastructure Private Limited · Skylab Metals & Engineering Private Limited · Treetime Engineering Private Limited · Lance Media Services Private Limited · Rudrani Oils & Chemicals Private Limited · Cerium Udyog Private Limited · Rohinikamal Minerals Private Limited · Agnikanya Machiniries & Engineering Private Limited · Rangamati Engg & Tools Private Limited · Jagrijagaran Project & Infrastructure Private Limited · Cerium Metals & Engineering Private Limited · Potomac Metals & Engineering Private Limited