The license tax provided for herein shall be paid by every person engaged in the business of installing, fabricating, performing, maintaining, servicing or applying the following:
Awnings.
Cabinets.
Carpentry.
Cesspool cleaning.
Chemical flameproofing.
Chemical toilets.
Door hanging.
Elevators.
Equipment and fixtures.
Excavating.
Fencing.
Flooring.
Glass.
Glazing.
Grading.
Insulation.
Interior decorating.
Iron work.
Landscaping.
Lawn sprinklers.
Marble.
Millwork.
Ornamental metal.
Painting.
Pest control, commercial.
Sewer line cleaning.
Signs: electric, neon, painted.
Steel: reinforcing, structural.
Tile: acoustical, asphalt, ceramic, drainboard, metal, ornamental.
Trenching.
Venetian blinds.
Wallpapering.
Weather stripping.
Well digging.
Well drilling.
Wind machines.
Window shades. (Prior code § 2242.51)