Industry · SIC 3690
Miscellaneous Electrical Machinery, Equipment & Supplies
142 tracked issuers filing with the SEC under this industry classification.
Issuers
142
Recent filings
40
SIC code
3690
Industry overview
Miscellaneous Electrical Machinery, Equipment & Supplies
SIC 3690 covers makers of transformers, switchgear, power converters, uninterruptible power supplies, EV charging assemblies, custom wiring harnesses, and industrial batteries that feed electrification across utilities, industrial OEMs, data centers, transportation fleets, renewable developers, and defense contractors. These companies live with commodity metal volatility, complex global supply chains, and tight safety and interoperability standards (UL, IEEE, IEC), plus export controls and growing cybersecurity expectations for connected equipment. In 2024-2025, demand is pulled by AI-hungry data centers with higher power densities, grid-hardening and microgrid projects, nationwide EV infrastructure rollouts, and surging battery storage paired with renewables, while reshoring and sustainability pressures push manufacturers to localize production and document lower-carbon inputs. Firms that can deliver efficient, resilient gear and rapid service response gain advantage, but face margin risk from input costs and regulatory shifts. For current disclosures from this sector’s leaders, view SEC filings on Earnings Feed.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- 8-KFACFactorial Energy Inc.238.1 KBSEC(opens sec.gov)
- 8-KFLNCFluence Energy, Inc.254.3 KBSEC(opens sec.gov)
- 8-KEMATSEC(opens sec.gov)
- 8-KATKRAtkore Inc.173.7 KBSEC(opens sec.gov)
- 6-KELVAElectrovaya Inc.42.8 KBSEC(opens sec.gov)
- 8-KBYRNByrna Technologies Inc.497.6 KBSEC(opens sec.gov)
- 10-QBYRNByrna Technologies Inc.10.0 MBSEC(opens sec.gov)
- 8-KDFLISEC(opens sec.gov)
- 6-KNVXNOVONIX Ltd91.0 KBSEC(opens sec.gov)
- SCHEDULE 13GPOLAPolar Power, Inc.7.3 KBSEC(opens sec.gov)
- 8-KATKRAtkore Inc.180.5 KBSEC(opens sec.gov)
- 8-KBEEMBeam Global763.8 KBSEC(opens sec.gov)
- 8-KNVVENuvve Holding Corp.179.2 KBSEC(opens sec.gov)
- 8-KBURUNuburu, Inc.157.2 KBSEC(opens sec.gov)
- 6-KEPOWE-Power Inc.744.7 KBSEC(opens sec.gov)
- 6-KEPOWE-Power Inc.15.8 KBSEC(opens sec.gov)
- 6-KTURBTurbo Energy, S.A.364.6 KBSEC(opens sec.gov)
- 8-KEMATSEC(opens sec.gov)
- 6-KELPWElong Power Holding Ltd.9.5 MBSEC(opens sec.gov)
- S-1EMATSEC(opens sec.gov)
- 6-KCBATCBAK Energy Technology Ltd10.4 KBSEC(opens sec.gov)
- 6-KELVAElectrovaya Inc.952.8 KBSEC(opens sec.gov)
- 8-KGWHESS Tech, Inc.222.9 KBSEC(opens sec.gov)
- 8-KEMATSEC(opens sec.gov)
- 8-KSPKLSpark I Acquisition Corp255.9 KBSEC(opens sec.gov)
- 8-KDFLIDragonfly Energy Holdings Corp.352.8 KBSEC(opens sec.gov)
- 8-K/ANOVTNOVANTA INC2.5 MBSEC(opens sec.gov)
- 8-KSPKLSpark I Acquisition Corp277.0 KBSEC(opens sec.gov)
- 8-KSPKLSpark I Acquisition Corp27.7 MBSEC(opens sec.gov)
- 6-KGAUZGauzy Ltd.27.1 KBSEC(opens sec.gov)
- 8-KEMATSEC(opens sec.gov)
- 6-KADSESEC(opens sec.gov)
- 6-KADSEAds-Tec Energy Public Ltd Co139.8 KBSEC(opens sec.gov)
- 8-K/ASPKLSpark I Acquisition Corp258.8 KBSEC(opens sec.gov)
- 8-KGWHESS Tech, Inc.178.5 KBSEC(opens sec.gov)
- 8-KCHPTChargePoint Holdings, Inc.144.2 KBSEC(opens sec.gov)
- 10-QZRCN Inc.5.0 MBSEC(opens sec.gov)
- 8-KSPKLSpark I Acquisition Corp360.3 KBSEC(opens sec.gov)
- 8-KBYRNByrna Technologies Inc.173.2 KBSEC(opens sec.gov)
- 6-KWBXWallbox N.V.26.6 MBSEC(opens sec.gov)
Featured issuers
- 10CHARGE INCCIK 0001177145
- Ads-Tec Energy Public Ltd CoCIK 0001879248ADSE
- ADVANCED BATTERY TECHNOLOGIES, INC.CIK 0000745651
- ADVENT TECHNOLOGIES HOLDINGS, INC.CIK 0001744494ADNH
- AER ENERGY RESOURCES INCCIK 0000863872
- AETERNUM HEALTH, INC.CIK 0000764630AETN
- Amprius Technologies, Inc.CIK 0001899287AMPX
- AROTECH CORPCIK 0000916529
- ARROW AUTOMOTIVE INDUSTRIES INCCIK 0000007533
- Atkore Inc.CIK 0001666138ATKR
- AURA SYSTEMS INCCIK 0000826253AUSI
- Axion Power International, Inc.CIK 0001028153
Classification
- SIC code
- 3690
- Total issuers
- 142
- Recent filings
- 40