ICEOWS
Screen Reader friendly freeware compression and decompression utility.

Power Archiver
A powerful zipping and unzipping program. Reported to be screen reader usable.

RARLAB
Home of WinRar zip file manager program and Spyware Doctor. WinRar is reported to be screen reader friendly.

Seven Zip
Highly rated free unzipping utility. Screen reader accessible.

WinZip
Compression and decompression utility, offers free trial before purchasing.