The Maytag brand is owned by Whirlpool. Whirlpool also owns KintchenAid, JennAir, Amana, Hotpoint and a few other brands. They used to make Kenmore appliances for Sears, too. Whirlpool is the 900-pound gorilla of appliances.
I have a Whirlpool Duet washer and dryer. They do the job. I also have a Whirlpool water heater, and it is a piece of crap -- not made by Whirlpool.
GE Appliances is jointly owned by General Electric and Haier. Their Appliances sold in the US are made in the US.
You really have to do your homework with major appliances, because the name on the appliance is often not the name of the company that made it.
CD