Sears
Craftsman pressure washers are made by the brand Craftsman. Craftsman makes a wide variety of tools and home improvement projects.
If you are in the UK, look through the 'Yellow Pages' - there are several manufacturers.
Sears
its said made in OHIO
Previous Maytag and now that Whirlpool has acquired Maytag - Whirlpool makes Amana.
LG makes good quality washers
Flat steel washers, galvanised washers, ripple washers, spring washers, fibre locking washers.
Yes, all Maytags are energy star compliant.
Sears' main line of appliances, including washers and dryers, is Kenmore, which has been Sears' signature line for years. For the most part, Kenmore washers and dryers are made by Whirlpool, though the manufacturing arrangements change from time to time. Sears' also carries LG washers/dryers.
Yes, washers can rust. I have seen many rusty washers.
For top-loading washers and matching dryers the highest rated brands were Kenmore, LG, and Samsung. For front-loading washers and matching dryers the highest rated brands were LG, Samsung, and Whirlpool.