It is also common for industry jobs to require

It is also common for industry jobs especially big companies (like P&G, Dupont …) to require GC or US citizen. For instance, in P&G ’s website, they list hundreds of US jobs, most list this sentence “Candidates must be a U.S. citizen or national, refugee, asylee or lawful permanent resident” at the end of the Ad. Quite often they don’t say it directly, but they would much prefer to hire someone who at least has GC.