Motors & Generators
37 tracked issuers filing with the SEC under this industry classification.
Issuers
37
Filings
40
SIC Code
3621
Industry Overview
Motors & Generators
Motors & Generators (SIC 3621) covers manufacturers of electric motors, alternators, and generator sets used in industrial equipment, HVAC systems, EV drivetrains, data centers, utilities, and backup power solutions. Core offerings span high-efficiency AC/DC motors, brushless designs, variable-frequency drives, portable and standby generators, and related control systems, sold to OEMs, power producers, construction firms, and critical infrastructure operators. Key risks include raw material volatility (copper, rare earth magnets), geopolitical supply constraints, tight energy-efficiency mandates (DOE, NEMA), safety and emissions oversight from OSHA and EPA, and warranty exposure from uptime guarantees. In 2024–2025, demand is shaped by grid modernization, microgrids, EV and battery plants, data center growth, and reshoring-led capex, alongside rising adoption of smart, sensor-enabled units for predictive maintenance. Elevated financing costs and utility interconnection delays remain headwinds, while sustainability pressure favors ultra-efficient and recyclable designs. For real-time company moves, view live SEC filings on Earnings Feed.
Source: Earnings Feed research · 11/23/2025
Latest Filings
- 8-K374Water Inc.$SCWO
374Water Inc. 8-K
Jan 8, 5:22 PM ET142.4 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Jan 8, 7:05 AM ET26.5 KB - 8-K374Water Inc.$SCWO
374Water Inc. 8-K
Jan 5, 4:06 PM ET141.5 KB - 8-KAMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ 8-K
Dec 23, 4:12 PM ET161.0 KB - 8-KAI Technology Group Inc.$AIPG
AI Technology Group Inc. 8-K
Dec 17, 3:56 PM ET195.3 KB - 8-K374Water Inc.$SCWO
374Water Inc. 8-K
Dec 15, 3:25 PM ET170.0 KB - 8-K374Water Inc.$SCWO
374Water Inc. 8-K
Dec 15, 6:30 AM ET184.4 KB - 6-K/AErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K/A
Dec 10, 4:30 PM ET59.3 KB - 8-KAMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ 8-K
Dec 10, 4:04 PM ET1.1 MB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Dec 2, 6:31 AM ET5.2 MB - 10-Q/AAI Technology Group Inc.$AIPG
AI Technology Group Inc. 10-Q/A
Nov 20, 5:06 PM ET1.6 MB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Nov 20, 7:00 AM ET20.4 KB - 10-QAI Technology Group Inc.$AIPG
AI Technology Group Inc. 10-Q
Nov 14, 3:49 PM ET1.5 MB - 8-KFRANKLIN ELECTRIC CO INC$FELE
FRANKLIN ELECTRIC CO INC 8-K
Nov 13, 4:30 PM ET7.6 MB - 10-Q374Water Inc.$SCWO
374Water Inc. 10-Q
Nov 12, 11:18 AM ET5.6 MB - 8-K374Water Inc.$SCWO
374Water Inc. 8-K
Nov 12, 11:13 AM ET372.7 KB - 10-QAMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ 10-Q
Nov 5, 4:13 PM ET8.8 MB - 8-KAMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ 8-K
Nov 5, 4:09 PM ET526.1 KB - 10-QGENERAC HOLDINGS INC.$GNRC
GENERAC HOLDINGS INC. 10-Q
Nov 4, 4:46 PM ET9.5 MB - 10-QFRANKLIN ELECTRIC CO INC$FELE
FRANKLIN ELECTRIC CO INC 10-Q
Oct 30, 5:29 PM ET8.5 MB - 8-KGENERAC HOLDINGS INC.$GNRC
GENERAC HOLDINGS INC. 8-K
Oct 29, 7:00 AM ET752.6 KB - 8-KFRANKLIN ELECTRIC CO INC$FELE
FRANKLIN ELECTRIC CO INC 8-K
Oct 28, 4:00 PM ET6.0 MB - 8-KFRANKLIN ELECTRIC CO INC$FELE
FRANKLIN ELECTRIC CO INC 8-K
Oct 28, 8:00 AM ET372.6 KB - 8-K/A374Water Inc.$SCWO
374Water Inc. 8-K/A
Oct 24, 4:37 PM ET296.2 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Oct 20, 4:30 PM ET380.5 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Oct 17, 7:00 AM ET18.6 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Oct 15, 6:31 AM ET19.3 KB - 8-K374Water Inc.$SCWO
374Water Inc. 8-K
Oct 14, 5:23 PM ET245.2 KB - 8-KFRANKLIN ELECTRIC CO INC$FELE
FRANKLIN ELECTRIC CO INC 8-K
Oct 2, 8:40 AM ET230.3 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Sep 30, 8:35 AM ET279.8 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Sep 24, 4:30 PM ET14.4 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Sep 9, 7:15 AM ET17.7 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Sep 8, 6:38 AM ET21.0 KB - 6-KTian'an Technology Group Ltd$TANAF
Tian'an Technology Group Ltd 6-K
Aug 27, 11:09 AM ET2.7 MB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Aug 22, 6:12 AM ET18.1 KB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Aug 21, 4:30 PM ET750.2 KB - 10-Q374Water Inc.$SCWO
374Water Inc. 10-Q
Aug 12, 4:10 PM ET5.2 MB - 8-K374Water Inc.$SCWO
374Water Inc. 8-K
Aug 12, 4:06 PM ET447.6 KB - 10-QGENERAC HOLDINGS INC.$GNRC
GENERAC HOLDINGS INC. 10-Q
Aug 5, 4:46 PM ET8.7 MB - 6-KErayak Power Solution Group Inc.$RAYA
Erayak Power Solution Group Inc. 6-K
Aug 4, 4:30 PM ET181.5 KB
Featured Issuers
12- $SCWO
374Water Inc.
CIK 0000933972
- $AIPG
AI Technology Group Inc.
CIK 0001289047
- $AOMFF
ALSTOM
CIK 0001062066
American Security Resources Corp.
CIK 0001085069
- $AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/
CIK 0000880807
AMETEK INC
CIK 0000006082
BALDOR ELECTRIC CO
CIK 0000009342
BRIGGS & STRATTON POWER PRODUCTS GROUP LLC
CIK 0001080893
CHINA CHANGJIANG MINING & NEW ENERGY COMPANY, LTD.
CIK 0000029952
CHINA ELECTRIC MOTOR, INC.
CIK 0001421526
CYCLONE POWER TECHNOLOGIES INC
CIK 0001442711
ECOTALITY, INC.
CIK 0001301206
Classification
- SIC Code
- 3621
- Total Issuers
- 37
- Recent Filings
- 40