You copy/paste so much that you don't even think to verify the timeframe the business entity existed.
It is sufficient to verify the losses.
What are you trying to achieve here? Do you believe that you will win in court against a casino that you've lost money in? If that was possible all casinos would be long gone and people would be afraid to try their luck in this business in fear of getting sued (robbed out of their winnings).
As for the 5 years that you've given for who knows what reason:
To give you a good example of how much variation there is depending on what the claim is, here are the statutes of limitations for some actions within California:
Personal injury: Two years.
Libel or slander: One year.
Domestic violence: Three years.
Medical malpractice: Three years.
Breach of written contract: Four years.
Breach of oral contract: Two years.
Childhood sexual abuse: Eight years from the child's 18th birthday or three years after discovering that some injury resulted from childhood sexual abuse regardless of the victim's age.