Can I sue the UL surge protector company and how and what phone number?

No.

To begin with, UL does not make any product.

Underwriters Laboratories is a product-safety testing company.

That is all it does.

It is not and cannot be held responsible for what happened.

Why you asked for a phone number, I don't understand.

Calling the company is not how a lawsuit is started.

Lawyers do that, and they don't usually do it for free.

The company that DID make the surge protector

is pretty well insulated from liability, too,

largely because no surge protector can completely prevent damage.

You would have to be able to prove that your equipment

was properly connected to the protector

AND that the damage could have been prevented

if the protector worked as designed.

Fat chance.

You would almost certainly end up paying the manufacturer's court costs.

Get a power conditioner, any of which will also contain surge protection.

Good ones are made by Tripp-Lite, Zero Surge, and Brick Wall.

Some do come with a guarantee and a promise to pay up to

some fairly large figure for repair or replacement of damaged equipment.

Be Sure To Read And Fully Understand

All Of The Terms And Conditions of that guarantee

Before You Buy The Item.