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Miscellaneous Manufacturing
OJT for Miscellaneous Manufacturing: NAICS 339
The Miscellaneous Manufacturing subsector is part of the Manufacturing sector.
The Miscellaneous Manufacturing subsector includes the following industries:
- Medical Equipment and Supplies Manufacturing
- Other Miscellaneous Manufacturing
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 |
| Team assemblers | 53.6 | 9.3 | -18.2 | High school diploma or equivalent | Moderate-term on-the-job training |
| Dental laboratory technicians | 34.0 | 5.9 | 13.9 | High school diploma or equivalent | Moderate-term on-the-job training |
| First-line supervisors of production and operating workers | 20.4 | 3.6 | 1.2 | High school diploma or equivalent | None |
| Sales representatives, wholesale and manufacturing, except technical and scientific products | 14.4 | 2.5 | -0.6 | High school diploma or equivalent | Moderate-term on-the-job training |
| Customer service representatives | 14.0 | 2.4 | 1.2 | High school diploma or equivalent | Short-term on-the-job training |
| Inspectors, testers, sorters, samplers, and weighers | 13.7 | 2.4 | -17.3 | High school diploma or equivalent | Moderate-term on-the-job training |
| General and operations managers | 13.5 | 2.4 | 0.8 | Unknown | Unknown |
| Industrial engineers | 12.6 | 2.2 | 12.0 | Bachelor’s degree | None |
| Machinists | 12.6 | 2.2 | 3.3 | High school diploma or equivalent | Long-term on-the-job training |
| Shipping, receiving, and traffic clerks | 12.0 | 2.1 | -3.8 | High school diploma or equivalent | Short-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 |
| Statisticians | 0.1 | 0.0 | 27.7 | Master’s degree | None |
| Orthotists and prosthetists | 3.6 | 0.6 | 22.4 | Master’s degree | Internship/residency |
| Operations research analysts | 0.4 | 0.1 | 21.9 | Bachelor’s degree | None |
| Computer numerically controlled machine tool programmers, metal and plastic | 0.8 | 0.1 | 18.5 | High school diploma or equivalent | Long-term on-the-job training |
| Lawyers | 0.4 | 0.1 | 18.3 | Doctoral or professional degree | None |
| Paralegals and legal assistants | 0.2 | 0.0 | 17.5 | Associate’s degree | None |
| Medical appliance technicians | 8.7 | 1.5 | 17.1 | High school diploma or equivalent | Long-term on-the-job training |
| Industrial machinery mechanics | 2.9 | 0.5 | 14.5 | High school diploma or equivalent | Long-term on-the-job training |
| Software developers, applications | 2.3 | 0.4 | 14.1 | Bachelor’s degree | None |
| Dental laboratory technicians | 34.0 | 5.9 | 13.9 | High school diploma or equivalent | Moderate-term on-the-job training |
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