These companies will do a free antibody search for you (upon request) and
nice for those who are only looking for a few antibodies.  

Serotec 800 265-7376  and Biodesign 888 530-0140  

Other companies may do this also.  
Gayle Callis
Veterinary Molecular Biology
Montana State University
Bozeman MT 59717-3610
406 994-4705
406 994-4303