Electric, Gas & Sanitary Services

The Electric, Gas & Sanitary Services industry, classified under SIC 4900, encompasses integrated utilities, independent power producers, gas distribution networks, water and wastewater systems, and waste-to-energy or recycling services that keep households, businesses, and municipalities running. Core offerings range from electricity generation, transmission, and retail supply to natural gas delivery, district heating, potable water, sewage treatment, and solid-waste management, serving residential ratepayers, industrial users, data centers, hospitals, and public agencies. Operators face heavy capital intensity, exposure to fuel-price volatility, weather shocks, credit markets, and stringent oversight from federal, state, and local regulators on rates, safety, environmental compliance, and grid reliability. In 2024–2025, the sector is shaped by decarbonization mandates, grid modernization, electrification of transport, distributed energy resources, AI-driven demand management, and growing ESG scrutiny on resiliency and affordability. For investors and risk professionals tracking these evolving dynamics, you can review SEC filings and earnings disclosures for SIC 4900 issuers directly on Earnings Feed.

Source: Earnings Feed research · Nov 23, 2025

• Accepted (ET)
• Oct 5 15:238-KMGEE
  MGE ENERGY INC4.7 MB
  SEC(opens sec.gov)
• Sep 308-K—
  Apollo Infrastructure Co LLC173.1 KB
  SEC(opens sec.gov)
• Sep 258-K—
  Apollo Infrastructure Co LLC308.9 KB
  SEC(opens sec.gov)
• Aug 258-K—
  Apollo Infrastructure Co LLC303.8 KB
  SEC(opens sec.gov)
• Aug 218-KMGEE
  MGE ENERGY INC281.2 KB
  SEC(opens sec.gov)
• Aug 1310-Q—
  Apollo Infrastructure Co LLC36.2 MB
  SEC(opens sec.gov)
• Aug 710-Q—
  BERKSHIRE HATHAWAY ENERGY CO48.3 MB
  SEC(opens sec.gov)
• Aug 58-KMGEE
  MGE ENERGY INC17.7 MB
  SEC(opens sec.gov)
• Aug 510-QMGEE
  MGE ENERGY INC22.8 MB
  SEC(opens sec.gov)
• Jul 278-K—
  Apollo Infrastructure Co LLC317.7 KB
  SEC(opens sec.gov)
• Jun 308-K—
  Apollo Infrastructure Co LLC170.5 KB
  SEC(opens sec.gov)
• Jun 258-K—
  Apollo Infrastructure Co LLC281.5 KB
  SEC(opens sec.gov)
• Jun 238-KMGEE
  MGE ENERGY INC217.7 KB
  SEC(opens sec.gov)
• May 268-K—
  Apollo Infrastructure Co LLC277.7 KB
  SEC(opens sec.gov)
• May 228-KMGEE
  MGE ENERGY INC218.2 KB
  SEC(opens sec.gov)
• May 1410-Q—
  Apollo Infrastructure Co LLC30.2 MB
  SEC(opens sec.gov)
• May 88-KMGEE
  MGE ENERGY INC17.6 MB
  SEC(opens sec.gov)
• May 88-KMGEE
  MGE ENERGY INC2.4 MB
  SEC(opens sec.gov)
• May 58-KMGEE
  MGE ENERGY INC335.4 KB
  SEC(opens sec.gov)
• May 510-QMGEE
  MGE ENERGY INC16.3 MB
  SEC(opens sec.gov)
• May 110-Q—
  BERKSHIRE HATHAWAY ENERGY CO34.6 MB
  SEC(opens sec.gov)
• Apr 278-K—
  Apollo Infrastructure Co LLC316.1 KB
  SEC(opens sec.gov)
• Apr 218-KMGEE
  MGE ENERGY INC217.3 KB
  SEC(opens sec.gov)
• Apr 108-K—
  BERKSHIRE HATHAWAY ENERGY CO182.0 KB
  SEC(opens sec.gov)
• Mar 318-K—
  Apollo Infrastructure Co LLC170.5 KB
  SEC(opens sec.gov)
• Mar 3010-K—
  Apollo Infrastructure Co LLC31.8 MB
  SEC(opens sec.gov)
• Mar 268-K—
  BERKSHIRE HATHAWAY ENERGY CO280.4 KB
  SEC(opens sec.gov)
• Mar 258-K—
  Apollo Infrastructure Co LLC276.3 KB
  SEC(opens sec.gov)
• Feb 2710-K—
  BERKSHIRE HATHAWAY ENERGY CO92.1 MB
  SEC(opens sec.gov)
• Feb 278-KMGEE
  MGE ENERGY INC16.6 MB
  SEC(opens sec.gov)
• Feb 258-K—
  Apollo Infrastructure Co LLC271.6 KB
  SEC(opens sec.gov)
• Feb 248-KMGEE
  MGE ENERGY INC771.3 KB
  SEC(opens sec.gov)
• Feb 248-KMGEE
  MGE ENERGY INC367.9 KB
  SEC(opens sec.gov)
• Feb 2410-KMGEE
  MGE ENERGY INC45.1 MB
  SEC(opens sec.gov)
• Jan 298-KMGEE
  MGE ENERGY INC214.6 KB
  SEC(opens sec.gov)
• Jan 278-KMGEE
  MGE ENERGY INC995.1 KB
  SEC(opens sec.gov)
• Jan 268-K—
  Apollo Infrastructure Co LLC317.7 KB
  SEC(opens sec.gov)
• Jan 168-K—
  Apollo Infrastructure Co LLC1.3 MB
  SEC(opens sec.gov)
• Dec 318-K—
  Apollo Infrastructure Co LLC170.1 KB
  SEC(opens sec.gov)
• Dec 298-K—
  Apollo Infrastructure Co LLC274.6 KB
  SEC(opens sec.gov)

• Apollo Infrastructure Co LLCCIK 0001971381
• ATLANTIC POWER CORPCIK 0001419242
• BERKSHIRE HATHAWAY ENERGY COCIK 0001081316
• E.ON SECIK 0001136808EONGY
• MGE ENERGY INCCIK 0001161728MGEE
• MIDAMERICAN ENERGY HOLDINGS COCIK 0001009526
• PANDA FUNDING CORPCIK 0001022728
• PANDA GLOBAL ENERGY COCIK 0001038503
• PANDA GLOBAL HOLDINGS INCCIK 0001038504
• PANDA INTERFUNDING CORPCIK 0001023228
• PANDA INTERHOLDING CORPCIK 0001033378
• SCOTTISH POWER PLCCIK 0001045513

SIC code

4900

Total issuers

18

Recent filings

40

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