As of July 01, 2026, the average salary for a Millwright III in South Carolina is $66,811 per year, which breaks down to an hourly rate of $32.
However, a Millwright III's salary can vary significantly. Here’s a look at the typical salary range:
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A Millwright III's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, and company size can directly affect your earning potential.
Experience is a primary driver of a Millwright III's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Millwright I | 0-1 years | $48,136 |
| Millwright II | 1-3 years | $57,841 |
| Millwright III | 3-5 years | $66,811 |
| Millwright IV | 5-7 years | $74,258 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Millwright IIIs. For example, consider the average annual salaries in these key locations:
Millwright III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $74,713. While startup companies pay approximate $63,222.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $63,222 |
| Growth Stage | 51~500 | $66,851 |
| Established | 501~5000 | $72,160 |
| Enterprise | 5000+ | $74,713 |
For Millwright III roles, the industry you choose can affect earning potential by as much as 85% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Energy & Utilities sectors offer the strongest compensation, at 40% above the average. In contrast, Millwright positions in Transportation or Retail & Wholesale typically offer lower base pay, as these industries often view Millwright III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Software & Networking | $93,535 | $45.0 | 40% |
| Energy & Utilities | $86,854 | $42.0 | 30% |
| Biotechnology | $80,173 | $39.0 | 20% |
| Chemicals | $73,492 | $35.0 | 10% |
| Healthcare | $70,151 | $34.0 | 5% |
Understanding how a Millwright III's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
Last Updated on July 01, 2026Promotions are the fastest way to increase your earnings. As a Millwright III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Millwright IV | $74,258 | 11% |
| Maintenance Planning Supervisor | $107,136 | 60% |
Ready to take the next step in your career? Browse thousands of current Millwright III job openings on our job board. Use the search bar below to find your perfect match.
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