| Company | Quality management measures |
| Company A | ● Food safety law ● Assured food standards ● Quality and safety (quality management certifications) |
| Company B | ● Food safety law ● Safe Quality Food programme (SQF) |
| Company C | ● Food safety law ● ISO 9001: 2008 |
| Company D | ● Food safety law ● ISO 9001: 2008 |