Standard industry: (0400, 0401 or no callback)
  Requires
    Livestock
    Grain

Standard stock pile industry: (0400 or no callback)
  Requires
    Livestock: 10 items waiting
    Grain: 20 tons waiting

ECS: (0000 - 03ff)
  Requires
    Livestock: 10 items waiting (300 max)
    Grain: 20 tons waiting (200 max)

FIRS: (0800 - 0cff)
  Requires
    Livestock (missing)
    Grain (supplied)