Division 1 shall be composed of all persons working in the following industries: Clerks, salesmen, tobacco, packing houses, flour mills, sugar refineries, dairies, bakeries, and kindred industries.
Division 2: Brewery, wine and distillery workers.
Division 3: Floriculture, stock and general farming.
Division 4: Mining, milling, smelting and refining coal, ores, metals, salt and iron.
Division 5: Steam railway, electric railway, marine, shipping, and teaming.
Division 6: All building employees.
Division 7: All textile industrial employees.
Division 8: All leather industrial employees.
Division 9: All wood-working employees excepting those engaged in building departments.
Division 10: All metal industrial employees.