Alumina Products Inc., a subsidiary of Modern Aluminum Castings, specializes in manufacturing custom mailboxes and street signs for residential and commercial applications. With over 20 years of experience, they combine modern technology with traditional casting methods to produce quality aluminum and metal products, including mailboxes, street signs, frames, and decorative accents. Their services cater to residential developments, homeowner's associations, corporate offices, and more, offering mailbox design, signage design, installation, and manufacturing. Alumina Products focuses on creating sturdy and long-lasting custom metal mailboxes and street signs that add an old-world charm to residential communities and developments.