Is it possible that my credit card application is denied because of the company I work with?

I recently applied for a credit card, but was denied. The reason was the company I work for does not meet their requirement or that the company does not earn much or to that effect. Does this also mean that the company is at the verge of closing?
They told me that I passed the [...]

What is the best credit card with airline mileage?

Please advise from your experience what is the best C.C. that can offer me good air mileage with no block out seats or days and that has many destinations like Hawaii, Europe, Middle east, Internal US, etc?