In the UK Tate and Lyle and Billingtons sugars are free of animal substances. No data is presently available concerning sugar in other countries. In the UK the shiny Washington red apples are glazed with shellac, which is a resin produced from insects. Many are dipped in honey. In the UK they often don't mention this on the label.
Some bakers grease the tins with animal fat.
If you're using a local bakery ask them what they grease their tins with. Be careful though, the almond-raisin variety contains animal based glycerin. Many manufacturers use whey as the flavour carrier. Check with your local vegan society as to what crisps are vegan. If a manufacturer can stick some part of an animal in something, chances are they probably will.