MPEG Joiner 

MPEG Joiner is an easy-to-use tool to join multiple MPEG files into one larger MPEG file. MPEG Joiner designed to join MPEG files without recompression that allows you to join MPEG files quickly and without reducing quality.
mpeg mpg joiner join

MediaJoin 

Easily join / combine all popular audio and video formats into a single merged file. Formats supported include MP3, WMA, WAV, OGG, AVI, MPEG-1, MPEG-2, and WMV. Optionally include audio tag information for the combined output audio file.
joiner combiner audio joiner video joiner mp3 joiner wma joiner wav joiner avi joiner mpeg joiner wmv joiner combine audio combine video combine mp3

X Audio Video Joiner 

X Audio Video Joiner, a mpeg joiner,help you join many movie clips together to a large file after you have download hot movie clips, The Fastest mpeg Joiner in the world!
video clip merge video video joiner mpeg joiner combine video joiner