Unfortunately unless the pieces are lucky enough to have a makers mark or stamp of some kind, there won't be any way to say for certain who made them. There have been hundreds of furniture makers that have come and gone and many more that were completely unheard of. I can help with possibly dating them and providing values if you would be interested in that?
The marks could be anywhere. They could be on the backs of the furniture, on the underneath, inside drawers. I've even seen some on the backs of legs. More often than not they are usually on the back if they have them.