1. Bricklaying: Masonry is an ancient craft that involves the use of bricks, concrete blocks, and stones to lay foundations and build walls, partition walls, and flooring. Depending on your skills, you may be able to open a business providing residential and commercial bricklaying services.

2. Stonemasonry and concrete works: A mason can use their experience in working with stone to create decorative and functional outdoor features, such as paving or garden walls. They can also use their concrete knowledge to pour and finish custom concrete walkways and patios.

3. Tile installation: An experienced mason can offer a variety of services, including porcelain and ceramic tile installation for backsplashes, floors, and showers.

4. Restoration and repair: Masonry often needs to be restored or repaired. A mason can use their skills to repair and restore damaged brick, stone, and concrete structures, from chimneys to monuments.

5. Monumental masonry: Monuments and gravestones can be designed, carved, and installed by an experienced mason.

6. Interior and exterior design: For home and business owners looking for a custom aesthetic, a mason can design and install interior and exterior designs out of stone and brick, from wainscoting to custom fireplaces.