Know your market value with insights across roles — from individual contributors to executive pay and overall company compensation trends.
Access a suite of powerful calculators to make data-driven career decisions.
Automate pay cycles, manage job architectures, and ensure pay equity with AI-powered compensation platforms.
Access validated salary benchmarks, labor market trends, and minimum wage data to stay competitive.
Participate in and purchase industry-specific salary surveys to obtain the most accurate, peer-reported pay data.
As of August 01, 2026, the average salary for a Refinery Plant Operator III in Missouri is $80,990 per year, which breaks down to an hourly rate of $39.
However, a Refinery Plant Operator III's salary can vary significantly. Here’s a look at the typical salary range:
Compensation Planning
Develop a Job Description
Pay Equity
2026 Compensation Trend
AI Onboarding
AI-Powered Talent
Refinery Plant Operator III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $89,590 | $7,466 | $1,723 | $43 |
| Average | $80,990 | $6,749 | $1,558 | $39 |
| 25th Percentile | $72,590 | $6,049 | $1,396 | $35 |
City of Springfield - Springfield, MO
Metropolitan St. Louis Sewer District - Saint Louis, MO
Orica - NORTH POLE, AK
Marriott - ATLANTA, GA
A Refinery Plant Operator 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 Refinery Plant Operator 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 |
|---|---|---|
| Junior Refinery Operator | 0-1 years | $57,149 |
| Refinery Operator | 1-3 years | $67,340 |
| Refinery Plant Operator III | 3-5 years | $80,917 |
| Oil Refinery Operations Supervisor | 5+ years | $108,925 |
| Oil Refinery Operations Manager | 5+ years | $142,821 |
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 Refinery Plant Operator IIIs. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
Refinery Plant Operator III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $94,368. While startup companies pay approximate $79,918.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $79,918 |
| Growth Stage | 51~500 | $84,498 |
| Established | 501~5000 | $91,163 |
| Enterprise | 5000+ | $94,368 |
Understanding how a Refinery Plant Operator 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.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $89,590 | $7,466 | $1,723 | $43 |
| Average | $80,990 | $6,749 | $1,558 | $39 |
| 25th Percentile | $72,590 | $6,049 | $1,396 | $35 |
For a Refinery Plant Operator III, the most direct path to higher earnings is advancing to the Oil Refinery Operations Supervisor role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $109,000 - a projected growth of 35% over your current level.
Ready to take the next step in your career? Browse thousands of current Refinery Plant Operator III job openings on our job board. Use the search bar below to find your perfect match.
Kaiser Permanente
MAR VISTA, CA
Novant Health
BRUNSWICK, NC
Novant Health | BRUNSWICK, NC
Novant Health is seeking a skilled Sonographer III to provide advanced diagnostic ultrasound imaging in our Healthcare & Medical Services department. In th... more
10 Days Ago
Novant Health
CHARLOTTE, NC
Novant Health | CHARLOTTE, NC
Novant Health is seeking a skilled Sonographer III to provide advanced diagnostic ultrasound imaging in our Healthcare & Medical Services department. In th... more
10 Days Ago
Novant Health
BRUNSWICK, NC
Novant Health | BRUNSWICK, NC
Novant Health is seeking a skilled Sonographer III to provide advanced diagnostic ultrasound imaging in our Healthcare & Medical Services department. In th... more
10 Days Ago
Novant Health
NEWELL, NC
Novant Health | NEWELL, NC
Novant Health is seeking a skilled Sonographer III to provide advanced diagnostic ultrasound imaging in our Healthcare & Medical Services department. In th... more
10 Days Ago
Novant Health
CORRELL PARK, NC
Novant Health | CORRELL PARK, NC
Novant Health is seeking a skilled Sonographer III to provide advanced diagnostic ultrasound imaging in our Healthcare & Medical Services department. In th... more
10 Days Ago
Get a Salary Increase
Analyze the market and your qualifications to negotiate your salary with confidence.
Search Job Openings
Search thousands of open positions to find your next opportunity.
Adjust Employee Salary
Individualize employee pay based on unique job requirements and personal qualifications.
Price My Industry Jobs
Get the latest market price for benchmark jobs and jobs in your industry.
Use Salary.com's Cost of Living Calculator to find out what income you need to maintain your standard of living in a different city and how much more or less money you need to budget for basic expenses.
Explore Cost of Living CalculatorSalary.com experts will help you thrive your workplaces.
Salary.com provides salary survey data for thousands of industry Jobs.
Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
Salary.com's CompAnalyst platform offers:
