Oil Mfg/Refining, Vegetable NOC Workers Compensation (class code: 4683) Insurance

What is Oil Mfg/Refining, Vegetable NOC Workers Compensation (class code: 4683)?

Workers compensation insurance for Oil Manufacturing and Refining, Vegetable NOC (Not Otherwise Classified), under class code 4683, is designed to protect employees involved in the processing and refining of vegetable-based oils. This industry can include tasks such as pressing seeds, refining crude oils, and packaging finished products. Because the work often involves heavy machinery, heat, and chemical exposure, the risk of injury is higher than in other industries, making proper workers comp coverage essential.

Who needs it

Any business involved in the production or refining of vegetable oils should carry workers compensation insurance under class code 4683. This includes:

  • Vegetable oil processing plants
  • Refining facilities for oils such as soybean, sunflower, or canola
  • Companies involved in bottling and packaging edible oils
  • Businesses that operate heavy machinery for oil extraction

Employers are typically required by state law to carry workers comp if they have employees, regardless of industry.

What it typically covers

Workers compensation insurance under this classification generally covers:

  • Medical expenses for job-related injuries or illnesses
  • Wage replacement for injured employees unable to work
  • Rehabilitation and therapy services
  • Legal costs if an employee sues over a workplace injury
  • Death benefits for surviving dependents in the event of a fatal incident

Common exclusions/limitations

While workers compensation provides broad protection, it does not cover every scenario. Common exclusions may include:

  • Injuries that occur outside of work duties
  • Injuries resulting from employee intoxication or drug use
  • Self-inflicted injuries
  • Injuries sustained while committing a crime or violating company policy

Factors that influence cost

The cost of workers comp insurance for businesses under class code 4683 can vary based on several factors:

  • Total payroll and number of employees
  • Claims history and safety record
  • Location and state-specific rules
  • Risk level of specific job roles
  • Experience modification rate (EMR)

Proof of insurance & compliance

Most states require businesses to carry and display proof of workers compensation insurance. Employers may need to show certificates of insurance to regulators, clients, or business partners. Staying compliant with state workers comp laws is critical to avoid fines and legal issues. Requirements can vary, so it’s wise to consult your state’s labor department or a licensed insurance agent.

How to get a quote

Protect your oil manufacturing or refining business and your employees with the right workers compensation coverage. Get a quote today to find the right policy for your operation.

Frequently Asked Questions

What does class code 4683 cover?

Class code 4683 applies to workers involved in vegetable oil manufacturing and refining, including pressing, extracting, and bottling processes.

Is workers comp required for small oil refining businesses?

In most states, workers compensation is required if you have one or more employees, regardless of business size. Check your state’s specific requirements.

Can independent contractors be covered under class code 4683?

Independent contractors are typically not covered unless specifically included in a policy. Some states may have rules about contractor classification.

What happens if I don’t carry workers comp insurance?

Failure to carry required workers comp coverage can result in fines, penalties, and liability for workplace injuries.

How do I know if this is the correct classification for my business?

An insurance agent or your state’s workers comp bureau can help you determine the right class code based on your specific operations.

Still have questions? Talk to a local insurance expert.

Partners, Programs & Market Access


We maintain relationships with nationally recognized and specialty-focused insurance providers that actively underwrite this class of business. Our network includes both admitted and non-admitted markets, allowing us to match risks—from straightforward accounts to more complex or hard-to-place exposures—with appropriate underwriting partners.


Program availability, coverage terms, and underwriting appetite can vary based on operations, location, and loss history, so access to multiple markets is key to securing the right fit. This approach helps ensure broader coverage options and more competitive placement across a range of risk profiles.



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