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49 ELECTRIC, GAS & SANITARY SERVICES |
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491 Electric Services |
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4911-01 Electric Companies |
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4911-02 Uninterruptible Power Systems |
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492 Gas Production & Distribution |
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4922-01 Gas Transmission Companies |
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4922-98 Natural Gas Transmission |
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4923-98 Natural Gas Transmission & Distribution |
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4924-01 Gas-Natural |
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4924-02 Heat Supplying Companies |
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4925-01 Gas Companies |
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4925-02 Gas Processors |
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4925-03 Gas Producers |
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4925-04 Gas Recycling Plants |
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4925-05 Propane-Bulk & Bottle-Delivery |
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493 Combination Utility Services |
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4931-01 Co-Generation |
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4931-98 Electric & Other Services-Combined |
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4932-01 Gas Systems |
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4932-98 Gas & Other Services-Combined |
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4939-01 Power Take-Offs |
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4939-02 Utilities |
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4939-03 Utilities-Underground-Cable Locating Sv |
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4939-04 Utility Management |
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494 Water Supply |
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4941-01 Water Dealers |
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4941-02 Water Companies-Utility |
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4941-03 Water Supply Systems |
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4941-04 Water Conservation Products & Services |
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4941-05 Water Treatment Management Plant |
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495 Sanitary Services |
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4952-01 Sewage Disposal Systems |
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4952-02 Sewage Treatment Equipment |
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4952-03 Sewer Companies-Utility |
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4952-04 Sewage Treatment Consultants |
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4953-01 Dumps-Rubbish |
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4953-02 Garbage Collection |
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4953-03 Landfills-Sanitary |
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4953-04 Waste Disposal |
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4953-05 Waste Disposal-Hazardous |
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4953-06 Waste Containers |
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4953-07 Sanitation Services |
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4953-08 Sanitation Consultants |
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4953-09 Hazardous Material Storage Equipment |
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4953-10 Refuse Systems |
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4953-11 Recycling Equipment & Systems |
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4953-12 Landfills-Solid Waste |
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4953-13 Refuse Disposal-Depots & Plants |
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4953-14 Waste Materials |
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4953-15 Waste Removal-Medical |
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4953-18 Pet Waste Removal |
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4959-01 Sweepers-Industrial |
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4959-02 Sweeping Service-Power |
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4959-03 Street Cleaning |
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4959-04 Oil Spill Clean Up Service |
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4959-05 Lake & Beach Cleaning & Improvement |
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4959-06 Mosquito Abatement |
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4959-07 Waste Water Treatment |
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4959-99 Sanitary Services Nec |
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496 Steam & Air Conditioning Supply |
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4961-02 Steam Energy Companies |
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4961-98 Steam & Air Conditioning Supply |
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497 Irrigation Systems |
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4971-01 Hydrologists |
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4971-02 Irrigation Companies |
