Here's a list of businesses (and their ratings) in the Manufacturers/packers category.
In England, Wales and Northern Ireland food hygiene ratings are provided by the The Food Hygiene Rating Scheme (FHRS). Ratings in Scotland are provided by a similar scheme called the Food Hygiene Information Scheme (FHIS).
You can read more about FHRS and FHIS food ratings here.
Click on a establishment below for more information:

Total Score: 10 (lower is better)

Total Score: 0 (lower is better)
PERFECT HYGIENE RATING SCORE
Unit 9, Broadland Food Innovation Centre, Enterprise Way, Honingham, NR9 5FX

Total Score: 0 (lower is better)
PERFECT HYGIENE RATING SCORE
V Depot Limited, Honingham Thorpe Farm, Norwich Road, Honingham, NR9 5BZ

Total Score: 0 (lower is better)
PERFECT HYGIENE RATING SCORE
Park Farm, Cawston Road, Salle, Norwich, NR10 4SG

Total Score: 5 (lower is better)