The ones I can remember which I love and will use over and over.
River City Quilts in MN - Fabulous, quick turn around, fast, courteous. - Update I just ordered the same fabrics from the Hancock order I just canceled - order this morning, received an email confirmation as I was typing this it is are on the way and will be here in three business day - LOVE LOVE LOVE these guys
1000's Bolts one Nut - Fabulous, great seletion, great prices, fast delivery. I placed a large order with them in the am and that afternoon they were cutting and the fabric was on its way.
Keepsake Quilting - Fabulous, very reliable, great catalog, very courteous.
Connecting Threads - Reliable, good selection on line, quick turn around.
Clotide - I only used them once and they were ok.