Online check-in Meregrass Inc - https://www.check-in.site

I'm sorry, but I couldn't find any information on a company called "Meregrass Inc." in my database. It's possible that it may be a small or newly established company, or it may not be a well-known company in the public domain. If you have any specific questions or if there's any additional context you can provide, I'll do my best to assist you further.