Electrical Industrial Apparatus
SIC 3620 · 14 companies
This page lists all SEC-registered public companies classified under SIC code 3620 (Electrical Industrial Apparatus). SIC — Standard Industrial Classification — is a four-digit code system used by the SEC to group companies by their primary line of business. You can also view financial rankings for this industry.
The Electrical Industrial Apparatus industry includes 14 SEC-registered public companies.
The largest by revenue is Bloom Energy Corp,
which reported $2.0B in FY2025.
Companies in this industry with available XBRL data collectively reported $3.8B in revenue across their most recent fiscal years.
| Company | Ticker | Exchange | State | Filings |
|---|---|---|---|---|
| Ballard Power Systems Inc. | BLDP | NASDAQ | — | 838 |
| Bloom Energy Corp | BE | NYSE | DE | 1,000 |
| FUELCELL ENERGY INC | FCELB | OTC | DE | 1,001 |
| Forgent Power Solutions, Inc. | FPS | NYSE | DE | 30 |
| GRAFTECH INTERNATIONAL LTD | EAF | NYSE | — | 1,000 |
| GRAPHJET TECHNOLOGY | GTIJF | OTC | N8 | 287 |
| Goldenstone Acquisition Ltd. | GDSTW | OTC | — | 133 |
| Graphex Group Ltd | GRFXY | OTC | E9 | 123 |
| NET Power Inc. | NPWR-WT | NYSE | NC | 312 |
| PLUG POWER INC | PLUG | NASDAQ | DE | 1,004 |
| SCI Engineered Materials, Inc. | SCIA | OTC | — | 757 |
| Thermon Group Holdings, Inc. | THR | NYSE | DE | 1,000 |
| TurnOnGreen, Inc. | TOGIW | OTC | NV | 161 |
| Woodward, Inc. | WWD | NASDAQ | DE | 1,000 |