Service Description : Best Drainage and Sewerage Systems Contractor. Hi Style Interiors and... Best Drainage and Sewerage Systems Contractor. Hi Style Interiors and Exteriors, LLC is a top-notch UAE-based drainage and sewerage systems contractor. We have a team of experienced professionals working on the projects of residential, commercial, and agricultural drainage and sewerage system. Our extensive research and development in the field of drainage and sewerage systems helped us in reaching thousands of clients in a short time. Size of our projects