COOL INDUSTRIAL? MID CENTURY MODERN? PAINTING BY 'MARSHALL'

Hi all
I found this at a yard sale yesterday & liked it right away. I've tried to find info on the artist Marshall, but there are a lot!
Does anyone know who this artist is?
Or what type of painting this is? If I knew that it might be easier to find out more about the artist.
It almost looks like a development proposal/rendering (they build a lot of condos here in Miami & most have a ... rendering? of what it will look like in their sales brochures before the building is completed so buyers can get an idea what it will look like) - could that what this is?
I appreciate any help.

 

It is modernist. I find a Maxine Marshall doing modernist cityscapes but don't think it is her. This is just as likely a factory painting.

 

Aaagghh - if this is a factory painting then I am somehow drawn to them because it seems thats all I like & pick out!