Mac-based systems are often prominent in 'design' offices. The stylish interface and graphics, coupled with the excellent design and photo software make it a popular solution for any business with a creative element.
Macs have an advanced Operating System with a powerful development platform and although they cannot run all of the applications that are available to Windows users, they can now run 'most' of them.
Macs are more secure than Windows - it is possible to encrypt the hard drive of a Mac, and a Mac-based desktop would interface better with a Linux server
3aIT can implement a solely Mac-based system, or one that integrates with Linux or Windows servers, and then provide training for employees on how to use it effectively.