Combo M28 & M68 - 2008 North American Fireworks. Trade Directory & International Fireworks Trade Directory - Two great directories with all the information you need for contacts in the fireworks trade. They will give you everything you need to know about the companies and people involved in the fireworks trade! With over 1,000 listings of fireworks companies from all over the world, you'll be ahead of the game! Save $5. with this can't-miss combo!