Industry Description
Establishments primarily engaged in distributing water for sale for domestic, commercial, and industrial use. Systems distributing water primarily for irrigation service are classified in Industry 4971.
Business Examples
Common types of business activities within US SIC 4941 - Water Supply are:
- Water supply systems, except irrigation
IBISWorld Industry Research Report
Water Supply & Irrigation Systems in the US (22131)
Revenue 2025
$120bn
Growth 2025
1.07%
Key Trends
The industry is expected to grow as demand from commercial and industrial clients fully recovers
Water demand from both households and businesses has largely grown over the five years
If household demand remains elevated due to sustained work-from-home arrangements, the industry will continue to benefit
Products and Services
US-SIC Hierarchy 4941 - Water Supply
US-SIC Code 4941 - Water Supply sits in the 2-digit Water Supply sector. US SIC codes can be 2 to 8 digits and the further along the hierarchy, the more detailed and specific the category will be.
Division: E
Division Title: Transportation, Communications, Electric, Gas, and Sanitary Services
2 Digits 3 Digits 4 Digits
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411 Local and Suburban Passenger Transportation
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412 Taxicabs
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413 Intercity and Rural Bus Transportation
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414 Bus Charter Service
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415 School Buses
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417 Terminal and Service Facilities for Motor Vehicle
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421 Trucking and Courier Services, Except Air
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422 Public Warehousing and Storage
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423 Terminal and Joint Terminal Maintenance
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431 United States Postal Service
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-
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441 Deep Sea Foreign Transportation of Freight
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442 Deep Sea Domestic Transportation of Freight
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443 Freight Transportation On the Great Lakes-st.
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444 Water Transportation of Freight, Not Elsewhere
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448 Water Transportation of Passengers
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449 Services Incidental To Water Transportation
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451 Air Transportation, Scheduled, and Air Courier
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452 Air Transportation, Nonscheduled
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458 Airports, Flying Fields, and Airport Terminal
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461 Pipelines, Except Natural Gas
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472 Arrangement of Passenger Transportation
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473 Arrangement of Transportation of Freight and Cargo
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474 Rental of Railroad Cars
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478 Miscellaneous Services Incidental To Transportation
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481 Telephone Communications
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482 Telegraph and Other Message Communications
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483 Radio and Television Broadcasting Stations
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484 Cable and Other Pay Television Services
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489 Communications Services, Not Elsewhere
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491 Electric Services
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492 Gas Production and Distribution
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493 Combination Electric and Gas, and Other Utility
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494 Water Supply
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495 Sanitary Services
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496 Steam and Air-conditioning Supply
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497 Irrigation Systems
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Extended US-SIC Hierarchy for 4941 - Water Supply
For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 4941 - Water Supply. Extended US SIC Codes are being continuously updated to reflect the current business environment.
6 Digit SIC Codes
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494101 Water dealers
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494102 Water & sewage companies-utility
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494103 Water supply systems
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494104 Water conservation products & services
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494105 Water treatment management plant
8 Digit SIC Codes
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49410000 Water supply
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