Can I get a company to be a joint sponsor if my husband's income is not enough to sponsor me to the US?

The sponsor is limited to qualified US citizens or lawful residents. It is not available to coprporations.

I just did my citizenship test and passed ..but I put I was divorced but have no proof of the determination

You need to obtain a coy of the divorce decree. There may be issues ahead depending on if you filed using the 3 year rule or if it is determined...

Unfortunately no not based on your sons medical condition. There may be other possibility and a consult with an immigration attorney may be helpful...

Does previous declined entry to the US and B1 visa cancelation impact H1B visa filling?

It may more information needed. Recommend you discuss with immigration attorney that is preparing the H-1B filing for your employer.

How long does it take to get a greencard from parent?

If you are not following to join the process depends on how long it takes for the priority date to become current. For priority dates see the visa...

I-94 for Form I-751?

The instructions for submitting the I-751 may be found on the USCIS website and include requirements for submission.

You may be employed while you are an H-1B once your status is changed to H-4 you must have a valid EAD to be employed. if there is a gap between...

How can i enter letters while requesting the case updates through telephone to USCIS

Your question is somewhat unclear. what letters are you trying to enter through the telephone?

I went to the interview with my wife for I 130 After two tree days I get this update Is there is anything to worry

When you receive the notice you read it abd submit the material requested. It can be something very simple or could be significantly more onerous....

How likely am I to get a B1 (tourist) visa having an American sponsor?

You will need to satisfy the US consulate that you are coming to the US for a temporary time and will return to Brazil. Based on the limited...