Harbor Workers Insurance

What is Harbor Workers Insurance?

Harbor Workers Insurance, commonly known as USL&H (United States Longshore and Harbor Workers) coverage, is a specialized form of workers' compensation designed to protect maritime workers who operate on or near navigable waters. This includes individuals involved with loading, unloading, repairing, or building vessels. Because these jobs come with elevated risks such as equipment accidents, slip-and-fall injuries, and other operational hazards, standard workers' comp policies typically do not provide adequate protection.

Who Needs It

This insurance is essential for contractors, marine service providers, shipyard operators, and companies that employ individuals working on docks, piers, wharves, or terminals. Organizations involved in vessel maintenance, cargo handling, or marine construction are particularly encouraged to carry USL&H coverage. Even small businesses or subcontractors may be required to carry this insurance to comply with federal maritime labor laws.

What It Typically Covers

Harbor Workers Insurance generally provides:

  • Medical expenses for work-related injuries or illnesses
  • Lost wages through disability benefits
  • Rehabilitation or retraining services
  • Death benefits to eligible dependents

For example, if a dockworker is injured while using a forklift to unload cargo, this policy would cover the associated medical and wage-loss costs. In some cases, it may also extend to certain third-party liability exposures depending on the policy terms.

Common Exclusions or Limitations

Exclusions often include injuries that occur off the job site or those resulting from intoxication or willful misconduct. Office staff and clerical workers are typically not covered under USL&H policies. It's important to review the policy to understand limitations related to jurisdiction, job classifications, and specific worksite activities.

Factors That Influence Cost

Premiums vary based on several underwriting factors, including:

  • Type of maritime operations
  • Number of employees and payroll size
  • Claim history and risk management practices
  • Location and exposure to transportation risks

For example, a marine repair contractor with a strong safety record and proper equipment coverage may receive more favorable rates than a new business with limited experience.

Proof of Insurance & Compliance

Employers often need to provide proof of Harbor Workers Insurance when bidding for government contracts or working within regulated ports. This coverage is mandated under the Longshore and Harbor Workers' Compensation Act (LHWCA) for eligible workers. Failure to carry appropriate insurance can result in fines or legal liability in the event of an employee injury.

How to Get a Quote

To receive a tailored quote for Harbor Workers Insurance, contact a licensed commercial insurance agent who understands the maritime industry. Be ready to provide details about your operations, job-site hazards, and payroll information. Coverage needs can vary significantly, so it's important to work with a provider experienced in USL&H policies.

Request a quote today to make sure your maritime operations are protected from unexpected risks.

For more details on specialized coverage options, explore our US Longshore and Harbor Workers Insurance or our Service and Repair Contractors Insurance pages to find a policy that fits your needs.

Frequently Asked Questions

Is Harbor Workers Insurance the same as standard workers' compensation?

No. It covers maritime workers under federal law and is separate from state-based workers' compensation policies.

What types of businesses are required to carry USL&H coverage?

Any business employing workers engaged in maritime activities on or near navigable waters may be required to carry this coverage under the LHWCA.

Does this insurance cover part-time or seasonal dockworkers?

Yes, if they meet the criteria under the Longshore and Harbor Workers' Compensation Act, they should be covered regardless of employment status.

Can I combine this with other types of commercial insurance?

Yes. Many businesses integrate this with general liability, commercial auto, and property coverage for more complete protection.

How do I know if my employees qualify under the LHWCA?

Eligibility is based on the nature of the work and proximity to navigable waters. A licensed insurance agent can help you determine if coverage is needed.

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.



The American Equity Underwriters, Inc.
United States Longshore and Harbor Workers' Compensation Coverage (USL&H)

The American Equity Underwriters, Inc. (AEU) is the program administrator for the American Longshore Mutual Association, Ltd. (ALMA), which is authorized by the Department of Labor to provide USL&H coverage for the liabilities of its members unde...
LIG Marine Managers, Inc.
USL&H - Longshore Workers Insurance

LIG Marine Managers is the nation’s leading Managing General Agency for Longshore and harbor workers' coverage. As the #1 Longshore MGA in the U.S., LIG represents 18 Longshore carriers and offers four specialized program structures to help agents...
Novatae Risk Group
USL&H - Marine Workers Comp

Program Overview from Novatae Risk Group Novatae Risk Group offers a focused USL&H - Marine Workers Comp program to help agents place challenging and specialty marine accounts. Whether your client works on vessels, on piers, or onshore adjacent to na...
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