Industry: 3743—Railroad Equipment
Establishments primarily engaged in building and rebuilding locomotives (including frames and parts, not elsewhere classified) of any type or gauge; and railroad, street, and rapid transit cars and car equipment for operation on rails for freight and passenger service. Establishments primarily engaged in manufacturing mining cars are classified in Industry 3532. Repair shops, owned and operated by railroads or local transit companies, repairing locomotives or cars for their oWn use are classified in Transportation, Major Groups 40 and 41. Establishments primarily engaged in repairing railroad cars on a contract or fee basis are classified in Transportation, Industry 4789; and those repairing locomotive engines on a contract or fee basis are classified in Services, Industry 7699.
| Brakes, railway: air and vacuum | Railroad car rebuilding |
| Cars and car equipment, freight or passenger | Railway motor cars |
| Dining cars and car equipment | Rapid transit cars and equipment |
| Engines, steam (locomotives) | Sleeping cars, railroad |
| Freight cars and car equipment | Streetcars and car equipment |
| Industrial locomotives and parts | Switching locomotives and parts, electric and nonelectric |
| Interurban cars and car equipment | Tank freight cars and car equipment |
| Locomotives, locomotive frames, and parts | Tenders, locomotive |
| Lubrication systems, locomotive | Trolley buses, trackless |
| Mining locomotives and parts | |
| Codes |
Titles | Total Marketable US Businesses |
| 37430000 | Railroad equipment | 334 |
| 37430100 | Railroad equipment, except locomotives | 21 |
| 37430101 | Brakes, air and vacuum: railway | 19 |
| 37430102 | Dining cars and equipment | 1 |
| 37430103 | Freight cars and equipment | 276 |
| 37430104 | Heating units, for railroad cars | 0 |
| 37430105 | Lubrication systems, locomotive | 3 |
| 37430106 | Railroad car rebuilding | 22 |
| 37430107 | Railway maintenance cars | 9 |
| 37430108 | Railway motor cars | 9 |
| 37430109 | Sleeping cars, railroad | 0 |
| 37430110 | Tank freight cars and car equipment | 11 |
| 37430111 | Train cars and equipment, freight or passenger | 47 |
| 37430200 | Interurban cars and car equipment | 7 |
| 37430201 | Interurban cars and car equipment | 1 |
| 37430202 | Rapid transit cars and equipment | 11 |
| 37430203 | Streetcars and car equipment | 4 |
| 37430204 | Trackless trolley buses | 3 |
| 37430206 | Trolley retrievers | 0 |
| 37430300 | Locomotives and parts | 39 |
| 37430301 | Engines, steam (locomotive) | 5 |
| 37430302 | Industrial locomotives and parts | 7 |
| 37430303 | Mining locomotives and parts, electric or nonelectric | 6 |
| 37430304 | Railroad locomotives and parts, electric or nonelectric | 15 |
| 37430305 | Switching locomotives and parts, electric and nonelectric | 4 |
| 37430306 | Tenders, locomotive | 0 |
