GM Biosciences-Products. Promega Corporation - Precision Design for Life. Clontech. Novus Biologicals - Your antibody source. Monoclonal and polyclonal antibodies and reagents. SignaGen Laboratories, A Gene Delivery Company... Abcam - antibodies and reagents, find any antibody. Bethyl Laboratories - Polyclonal Antibodies, Peptides, Phosphopeptides. Products for Molecular Biology. Corporation - Precision Design for Life. Stratagene. Systems, Inc. - Home. Sample & Assay Technologies.