SICCODE.comSIC LookupE Transportation & Public Utilities49 Electric, Gas and Sanitary Services493 Combination Electric and Gas, and other UtilitySIC 4939
SIC Code 4939 – Combination Utilities, Not Elsewhere Classified
Official 4-digit SIC code Source: OSHA SIC Manual Updated Nov 13, 2026
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Official definition for SIC 4939 - Combination Utilities, Not Elsewhere Classified
Establishments primarily engaged in providing combinations of electric, gas, and other services, not elsewhere classified.
Source: OSHA SIC Manual
Companies in SIC 4939 - Combination Utilities, Not Elsewhere Classified
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Preview · details masked| Company | Contact & title | Website | Phone | Employees |
|---|---|---|---|---|
| Suburban Propane Partners LP Whippany, NJ | ||||
| Usic, LLC Indianapolis, IN | ||||
| T And D Solutions, Ltd Alexandria, LA |
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Suburban Propane Partners LP · Whippany, NJ
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Usic, LLC · Indianapolis, IN
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Key facts for SIC 4939 - Combination Utilities, Not Elsewhere Classified
- SIC code
- 4939
- Official title
- Combination Utilities, Not Elsewhere Classified
- Scope
- OSHA SIC Manual, establishment-level
- Major group
- 49 Electric, Gas and Sanitary Services
- Industry group
- 493 Combination Electric and Gas, and other Utility
- Official source
- OSHA SIC Manual
- Where SIC is used
- Used in SEC filings, government forms, and business lists. See which agencies still use SIC codes →
SIC Classification Hierarchy
Four official SIC levels, plus a more detailed commercial classification level.
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Industry · Official 4-Digit 4939 Combination Utilities, Not Elsewhere Classified
One example classification path is shown. Other branches may exist. The 6-digit Marketing Level is a commercial extension, not an official SIC classification.
Other codes in Industry Group 493: 4931 · Electric and other Services Combined 4932 · Gas and other Services Combined
More specific segments in SIC 4939
Segments let you target only the companies you need. Add one or more to your list to get pricing and a free sample.
1,150 U.S. companies across 5 segments · Segment codes are 6-digit marketing categories that extend the official 4-digit SIC code. They are not official SIC codes.
SIC 4939 is in your list, which already includes all 5 segments.
| Code | Segment | Companies | Build your list |
|---|---|---|---|
| 4939-01 | Power Take-Offs | 1 1 company | |
| 4939-02 | Utilities | 871 871 companies | |
| 4939-03 | Utilities-Underground-Cable Locating Service | 253 253 companies | |
| 4939-04 | Utility Management | 24 24 companies | |
| 4939-05 | Water System Billing Management & Supplies | 1 1 company |
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Example companies in SIC 4939
See how SICCODE.com evaluates businesses using documented activities and official SIC definitions. Select a company to review its classification and the reasoning behind it.
1,157 verified U.S. companies
- Sustainable Power Group, LLC Salt Lake City, UT View classification →
- State Utility Contractors Inc Monroe, NC View classification →
- City of Davenport Public Works Davenport, IA View classification →
- Gainesville Regional Utilities Gainesville, FL View classification →
- Rockingham Construction Co Harrisonburg, VA View classification →
- Txu Energy Trading Co Dallas, TX View classification →
- Norfolk Department of Utilities Norfolk, VA View classification →
- Sacramento City Utility Department Sacramento, CA View classification →
NAICS, ISIC and NACE Rev. 2.1 crosswalk for SIC 4939 - Combination Utilities, Not Elsewhere Classified
Correspondences in NAICS, ISIC and NACE Rev. 2.1 (via ISIC) for SIC 4939 - Combination Utilities, Not Elsewhere Classified. These mappings do not replace the official SIC definition.
| System | Code | Title |
|---|---|---|
| SIC This page | 4939 | Combination Utilities, Not Elsewhere Classified |
| NAICS | 221111 | Hydroelectric Power Generation Hydroelectric Power Generation |
| NAICS | 221112 | Fossil Fuel Electric Power Generation Fossil Fuel Electric Power Generation |
| NAICS | 221113 | Nuclear Electric Power Generation Nuclear Electric Power Generation |
| NAICS | 221116 | Geothermal Electric Power Generation Geothermal Electric Power Generation |
| NAICS | 221121 | Electric Bulk Power Transmission and Control Electric Bulk Power Transmission and Control |
| NAICS | 221122 | Electric Power Distribution Electric Power Distribution |
| NAICS | 221210 | Natural Gas Distribution Natural Gas Distribution |
| ISIC Rev. 4 | 3510 | Electric Power Generation, Transmission And Distribution Electric Power Generation, Transmission And Distribution |
| ISIC Rev. 4 | 3520 | Manufacture Of Gas; Distribution Of Gaseous Fuels Through Mains Manufacture Of Gas; Distribution Of Gaseous Fuels Through Mains |
| NACE Rev. 2.1 (via ISIC 3520) | 35.21 | Manufacture of gas Manufacture of gas |
| NACE Rev. 2.1 (via ISIC 3520) | 35.22 | Distribution of gaseous fuels through mains Distribution of gaseous fuels through mains |
| NACE Rev. 2.1 (via ISIC 3520) | 35.23 | Trade of gas through mains Trade of gas through mains |
Source: Eurostat, NACE Rev. 2.1 to ISIC Rev. 5 correspondence; United Nations Statistics Division, ISIC Rev. 4 to ISIC Rev. 5 correspondence table.
Sources for SIC 4939
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Official classification source U.S. Occupational Safety and Health Administration.
Standard Industrial Classification Manual (1987), SIC 4939. OSHA SIC Manual → -
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About this classification
This page combines the official SIC definition with classification analysis, crosswalks, and SICCODE.com commercial data. Classifications are reviewed regularly by the Industry Classification Review Team.