| SIC Code | Business or Product | Registrants |
|---|
|  | | |
| 4225 | General warehousing and storage | * |
| 3621 | Generating apparatus and parts, electrical: except internal combustion engine and arc-welding | 62 |
| 7539 | Generator and starter repair, automotive | * |
| 3613 | Generator control and metering panels | 12 |
| 3621 | Generator sets: gasoline, diesel, and dual fuel | 62 |
| 3612 | Generator voltage regulators, electric induction and step type | 23 |
| 3548 | Generators (separate) for arc-welders | * |
| 3621 | Generators and sets, electric: except internal combustion engine, welding, and turbogenerators | 62 |
| 3621 | Generators for gas-electric and oil-electric vehicles | 62 |
| 3621 | Generators for storage battery chargers, except internal combustion engine and aircraft | 62 |
| 3694 | Generators, aircraft and motor vehicle | * |
| 5063 | Generators, electrical – wholesale | 36 |
| 3569 | Generators, gas | 71 |
| 3569 | Generators: steam, liquid oxygen, and nitrogen | 71 |
| 2452 | Geodesic domes, prefabricated: wood | 25 |
| 1382 | Geological exploration, oil and gas field: on a contract basis | 260 |
| 8999 | Geologists, consulting: not connected with business service laboratories | 1 |
| 1081 | Geophysical exploration services, for metal mining: on a contract basis | * |
| 1481 | Geophysical exploration services, for nonmetallic minerals, except fuels: on a contract basis | * |
| 1382 | Geophysical exploration, oil and gas field: on a contract basis | 260 |
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* There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels. |
