Stoll Floating shelves and Mantels: This company has custom mantels that are easy to install.  They offer steel shelves or full surrounds. For more information on Stoll products please visit their website at https://www.stollindustries.com/

 

Fireside Mantels: This company has wood mantels that can come stained or ready to paint. These range from sizes 48"-72" stock sizes. If you need something bigger or smaller they have custom sizing avaiable also. They have full surrounds or partial surrounds also.