As a proper noun denoting a specific corporate entity; yes.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
It should only be capitalized if it forms part of a title.
No. It should not be capitalized.
Yes it should be capitalized.
The first 'c' should be capitalized.
Yes, it should be capitalized.
Yes it should always be capitalized.
As an abbreviation it should be capitalized.
Yes it should be capitalized.
No it should not be capitalized.
"Western" should be capitalized and "world" should not.
Yes it should be capitalized.