I found out that particular beige case used by Micron was also used by some other companies such as Tangent and Optimus, look:

Does anyone knows the name of the company that was making this case? If yes, was it ever possible to buy this case directly from them without any badges (as some kind of plain OEM product)? I have the same questions for the second case used by Micron which looks like this:

However, this one I saw only in Micron products. I am asking since I would love to use one of these cases in my current project, but I do not know what company name should I search for. Thanks!