Ceva, has developed solutions for hatchery vaccination. By providing a complete range of innovative vaccines, equipment and services for safe and effective vaccination, Ceva goes "beyond animal health" to help make poultry production efficient and sustainable.
The WORLD LEADER in IMMUNE COMPLEX and VECTOR vaccine technology.
By making a difference for customers Ceva has made it to the top in vaccine solutions:

N° 1 in the world in immune complex technology:  Transmune ® IBD
The largest producer of poultry vector vaccines in the world with the broadest range of innovative combinations: Vectormune® ND, Vectormune® AI, the unique HVT vector vaccine to control Avian Influenza H5 and many more.

N° 1 in the world in Gumboro vaccines: Transmune ® IBD and Cevac® IBD L

N° 1 in salmonella vaccines in the U.S: Layermune® SE and Layermune® 3

The first broad spectrum inactivated vaccines: Corymune® 4K Corymune® 7K combining Salmonella, Coryza and the major viral diseases in one vaccine.

 http://www.thepoultrysite.com/focus/ceva/1935/ceva-home-page.