question: the said media agency (initiative) has a strong experience regarding with the betting sector, having the chance to work previously on the william hill account.
Capitalize this past sentence correctly.
A: The said media agency (INITIATIVE) has a strong experience regarding with the betting sector, having the chance to work previously on the William Hill account.

question: complete this nice puzzle piece.
Capitalize this past sentence correctly.
A: Complete this nice puzzle piece.

question: h405824 installers of high voltage and plumbing engineering, sce
Capitalize this past sentence correctly.
A: H405824 Installers of high voltage and plumbing engineering, SCE