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: 0 (lower is better)
PERFECT HYGIENE RATING SCORE
Unit 6, Bergen Way, Kingston Upon Hull, HU7 0YQ

Total Score: 10 (lower is better)
4 Graybine Court, 5-6 Tadman Street, Kingston Upon Hull, HU3 2BG

Total Score: (lower is better)
Unit 6 Boulevard Unit Factory Estate, Boulevard, Kingston Upon Hull, HU3 4AY

Total Score: 10 (lower is better)
141 Wincolmlee, Kingston Upon Hull, HU2 0HB

Total Score: (lower is better)