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Primary Metal Manufacturing
OJT for Primary Metal Manufacturing: NAICS 331
The Primary Metal Manufacturing subsector is part of the Manufacturing sector.
The Primary Metal Manufacturing subsector includes the following industries:
- Iron and Steel Mills and Ferroalloy Manufacturing
- Steel Product Manufacturing from Purchased Steel
- Alumina and Aluminum Production and Processing
- Nonferrous Metal (except Aluminum) Production and Processing
- Foundries
Subsector Context
The following chart breaks down the parent sector into its subsectors. It shows the percentage of people that these subsectors employ, relative to the entire sector, and the projected growth of these subsectors through 2026.
Largest Occupations
The following table shows the top 10 projected occupations, in size, for this subsector through 2026. It also shows the educational requirements and OJT requirements for these top-sized occupations. The OJT.com training directory provides a listing of the state-by-state training providers that can fulfill your on-the-job training requirements.
Largest Occupations in Subsector, Projected for 2026
| Occupation | 2026 Projected Employment (in thousands) | 2026 Projected Percent of Subsector | Percent Employment Change (2016-2026) | Education Requirements | OJT Requirements |
| First-line supervisors of production and operating workers | 15.7 | 4.8 | -9.7 | High school diploma or equivalent | None |
| Industrial machinery mechanics | 14.5 | 4.5 | -6.2 | High school diploma or equivalent | Long-term on-the-job training |
| Metal-refining furnace operators and tenders | 13.8 | 4.2 | -10.0 | High school diploma or equivalent | Moderate-term on-the-job training |
| Extruding and drawing machine setters, operators, and tenders, metal and plastic | 11.7 | 3.6 | -16.5 | High school diploma or equivalent | Moderate-term on-the-job training |
| Rolling machine setters, operators, and tenders, metal and plastic | 11.6 | 3.6 | -17.5 | High school diploma or equivalent | Moderate-term on-the-job training |
| Cutting, punching, and press machine setters, operators, and tenders, metal and plastic | 10.4 | 3.2 | -16.4 | High school diploma or equivalent | Moderate-term on-the-job training |
| Molding, coremaking, and casting machine setters, operators, and tenders, metal and plastic | 10.4 | 3.2 | -25.3 | High school diploma or equivalent | Moderate-term on-the-job training |
| Inspectors, testers, sorters, samplers, and weighers | 10.3 | 3.2 | -28.2 | High school diploma or equivalent | Moderate-term on-the-job training |
| Helpers–production workers | 9.5 | 2.9 | -9.3 | No formal educational credential | Short-term on-the-job training |
| Maintenance and repair workers, general | 9.1 | 2.8 | -9.4 | High school diploma or equivalent | Long-term on-the-job training |
Growth Occupations
The following table shows the top 10 projected occupations, in growth, for this subsector through 2026. It also shows the educational requirements and OJT requirements for these top-growth occupations. The OJT.com training directory provides a listing of the state-by-state training providers that can fulfill your on-the-job training requirements.
Highest Growth Occupations in Subsector, Projected thru 2026
| Occupation | 2026 Projected Employment (in thousands) | 2026 Projected Percent of Subsector | Percent Employment Change (2016-2026) | Education Requirements | OJT Requirements |
| Computer numerically controlled machine tool programmers, metal and plastic | 0.8 | 0.2 | 4.6 | High school diploma or equivalent | Long-term on-the-job training |
| Market research analysts and marketing specialists | 0.3 | 0.1 | 2.1 | Bachelor’s degree | None |
| Electric motor, power tool, and related repairers | 0.1 | 0.0 | 1.6 | Postsecondary nondegree award | Long-term on-the-job training |
| Financial managers | 1.1 | 0.3 | 0.4 | Bachelor’s degree | None |
| Software developers, applications | 0.2 | 0.1 | 0.0 | Bachelor’s degree | None |
| Architectural and civil drafters | 0.1 | 0.0 | -4.3 | Associate’s degree | None |
| Jewelers and precious stone and metal workers | 0.1 | 0.0 | -4.3 | High school diploma or equivalent | Long-term on-the-job training |
| Cutting and slicing machine setters, operators, and tenders | 0.2 | 0.1 | -5.1 | High school diploma or equivalent | Short-term on-the-job training |
| Packaging and filling machine operators and tenders | 1.4 | 0.4 | -5.2 | High school diploma or equivalent | Moderate-term on-the-job training |
| Machine feeders and offbearers | 1.6 | 0.5 | -5.3 | No formal educational credential | Short-term on-the-job training |
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