With either laser or mechanical engraving you can recover your belongings easier if a theft were to ever occur.
For businesses, it identifies and safeguards their assets whether it's a company cell phone, laptop, office equipment, etc....
Bar Code or
...and identifies their products.
For the individual, it will aid in law enforcement recovering their items if ever stolen, identify ownership...
...and can also be an expression of their individualism.
Identify locations and keep your company name readily available for the customer to call.
Safety is another major benefit. Quickly identify hazards, locations and safety equipment.