My husband case (I-485 and my I-130) was denied. My husband says he has no interest re-opening it. Do I need to do anything?

As my colleagues correctly indicate, there is nothing further for you to do.

How can i file a cap exempt petition after the petition is cancelled

You do not appear eligible for cap exemption. It is not likely you have an action against previous employer. Contact an employment labor lawyer for...

Can I do a 'change of status' from inside the USA?

Your wife will need to wait for the resident status outside the US. You may travel to the US at anytime.

The DWI is unlikely to cause a removal from the US but the visa may be revoked and you may have issue obtaining a new visa.

When am I cap exempt from H1B annual quota?

Yes the 6 years is counted from when you are approved. If you have broken the H1b then you may apply for a new one in 2017.

L1A LLC partnership problem

You should discuss with an immigration attorney.

My question is by the time I get off of work postal service is closed . I want to know if I can use FedEx to mail it?

Yes Fed Ex is permitted. Make should you use the correct address and are not looking for Saturday delivery.

Does a DWI make you ineligible to get an H-1B visa or a Green Card?

DWI does not generally impact H-1B. There is more possibility of impact on resident status. Work with an immigration attorney.

Can I apply for H4-EAD for my spouse my Greencard processing is with another company

It is possible as long as you maintain valid H-1B status.

H-1B transfer after Masters degree

You may work to expiry of EAD. You may not be employed as H-1B until it is approved. The premium process while help obtain an answer.