Switchgear & Switchboard Apparatus

Switchgear & Switchboard Apparatus makers under SIC 3613 provide medium- and low-voltage switchgear, switchboards, circuit breakers, protective relays, and intelligent control panels that route and protect power for utilities, industrial plants, data centers, transit systems, and fast-growing renewable and EV charging projects. Customers demand high reliability, compact footprints, and digital monitoring, driving 2024–2025 trends in smart switchgear with IoT sensors, arc-flash mitigation, solid-state designs, and SF6 phase-down alternatives to meet tightening environmental and safety standards. Major risks include supply chain exposure to copper and specialty resins, cybersecurity requirements for grid-connected devices, and strict compliance with OSHA, IEC/IEEE, UL, and utility interconnection rules; project delays and warranty liabilities remain profit swing factors. Rising grid modernization spend, AI-driven load management, and microgrid deployments are expanding retrofit and service opportunities, while price competition pressures margins. For the latest disclosures and order pipelines, view SEC filings on Earnings Feed.

Source: Earnings Feed research · Nov 23, 2025

• Accepted (ET)
• Sep 178-KLFUS
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• May 510-QPOWL
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• May 58-KPOWL
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• Apr 28144LFUS
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• Feb 1910-KLFUS
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• Feb 188-KPOWL
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• Feb 410-QPOWL
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• Jan 88-KLFUS
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• ABB LTDCIK 0001091587ABLZF
• Asia Electrical Power International Group Inc.CIK 0001306046
• LITTELFUSE INC /DECIK 0000889331LFUS
• POWELL INDUSTRIES INCCIK 0000080420POWL
• TECHNOLOGY RESEARCH CORPCIK 0000741556
• TII NETWORK TECHNOLOGIES, INC.CIK 0000277928
• WESTWOOD CORP/NV/CIK 0000876884

SIC code

3613

Total issuers

7

Recent filings

40

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