Maggy Gara have been around longer than most brands of GT lures. The stickbait was one of the first GT stickbaits that were widely available. They're ok but not great IMHO. The lure swims better if you put a couple of drops of superglue in the front swivel to lock it.
On the Black Engineering lures, they bear more than a passing resemblance ti the Garyukobo lures, not to mention the use of identical names. No idea what they are though.