It depends on the state, but the short answer is that the coverage works differently there than anywhere else. In the four monopolistic states — North Dakota, Ohio, Washington, and Wyoming — workers compensation comes only from the government fund, not a private policy, and a private policy usually does not stretch to cover the comp benefits there. There is also a second, quieter gap most crews never see coming.
That second gap is the one worth understanding before a build. Most contractors know workers compensation is required almost everywhere and assume the policy they already carry follows the crew across any state line. In four states that assumption breaks twice: once because the comp benefits themselves come only from the state fund, and again because the employers-liability protection a private policy normally bundles in is not part of the fund’s coverage. A traveling fiber crew that rolls into one of these states without planning for both can be exposed on a side they did not know existed.
The four monopolistic states, and why they break the usual rule
In North Dakota, Ohio, Washington, and Wyoming, private insurers are not allowed to write workers compensation at all. These are called monopolistic states, and coverage is available only through each state’s own government fund: North Dakota’s Workforce Safety & Insurance, Ohio’s Bureau of Workers’ Compensation, Washington’s Department of Labor & Industries, and Wyoming’s state-administered fund. These are government programs, not private carriers — which is exactly why they can be named here, and why they sit outside the normal way coverage gets placed.
For a crew that follows the work, the consequence is concrete: if a build crosses into one of these four states, the home-state private policy does not stretch to provide the comp benefits there. The coverage has to be obtained through the state fund itself, and the obligation generally attaches when the work happens — not when the paperwork catches up. We do not re-derive the whole line here; the workers compensation pillar walks the monopolistic-state structure in detail. The point for this question is narrower: in these four states, the comp benefits come only from the government fund.
It is worth being clear about why these four sit apart. In most of the country, workers compensation is a competitive market — private insurers write the coverage, and a traveling crew’s policy can be structured to follow it across state lines. In a monopolistic state, that market does not exist for comp; the government fund is the only place the coverage is sold. That single fact changes the mechanics of working there. A crew cannot simply add the state to a private policy’s schedule, because there is no private policy to add it to in that state. Instead the coverage is set up directly with the fund, on the fund’s own terms and timeline, which is why this cannot be handled as an afterthought once the crew is already on site. The four are not interchangeable, either — each fund runs its own program with its own enrollment and reporting expectations, so the practical answer to “what do I do here” is genuinely state-specific. The honest read is that rules vary by state, and the only reliable plan is the one built around the specific state your build is entering.
The quieter gap: employers liability and stop-gap
Here is the part most contractors never see. A private workers compensation policy usually does two jobs at once: it provides the comp benefits, and it carries an employers-liability part that responds to injury suits falling outside the statutory benefit. The government-fund coverage in a monopolistic state generally provides the comp benefits — but not that employers-liability piece. So even a crew that correctly arranges state-fund coverage can be left without the protection their home-state policy would have bundled in automatically.
That missing piece is what stop-gap coverage is built to restore. It is employers-liability protection arranged to fill the gap the government fund does not include, and for a traveling crew it is the second half of doing a monopolistic state correctly — the fund placement handles the benefits, stop-gap handles the liability exposure the fund leaves out. How it is structured depends on the state and your policy, so it is set up alongside the fund placement, not bolted on after. Rules vary by state, so confirm the specific requirement rather than assuming one monopolistic state behaves like another.
The reason this gap goes unnoticed is that it is invisible everywhere else. In an ordinary state, the comp benefits and the employers-liability part ride together on one policy, so a contractor never has to think of them as two separate things — they are bought as a unit and they respond as a unit. A monopolistic state pulls them apart. The fund takes on the benefits, and the employers-liability part is simply not in the box. Nothing announces the change; the crew is covered for the statutory benefits and looks, on paper, taken care of. The exposure only becomes visible if an injury produces a claim that reaches past the statutory benefit toward the employer directly — the exact territory the employers-liability part is meant to answer. A crew that arranged the fund coverage and stopped there has done half the job and may not realize it until that half-built structure is tested.
Why stop-gap is arranged with the fund, not after it
The sequencing matters as much as the coverage itself. Because the employers-liability gap opens the moment the crew starts working in a monopolistic state, stop-gap is something to have in place before the build, alongside the fund placement — not a correction made after a claim reveals the hole. Treating it as two coordinated steps of one decision keeps the timing honest: the fund placement secures the benefits, and the stop-gap arrangement restores the liability protection the private policy would otherwise have carried, both attaching before the crew is on site. Bolting it on later assumes nothing happens in the interval, which is precisely the assumption a traveling operation cannot safely make. How the stop-gap piece is written, and how it sits against the rest of the program, depends on the state and the specific policy — another reason it belongs in a deliberate pre-build review rather than a scramble after the work has started. The discipline is the same one that governs everything about a monopolistic state: confirm the specific state’s rules, plan for both halves, and have them set up before the crew mobilizes rather than after an injury exposes which half was missing.
Real-World Scenario: A fiber crew based outside the region takes a seasonal build that crosses into a monopolistic state. The contractor arranges coverage through that state’s government fund before mobilizing, so the comp benefits are in place for the crew. But the home-state private policy that would normally carry the employers-liability part does not extend there, and that piece is not part of the fund’s coverage. Recognizing the gap before the build, the contractor arranges stop-gap coverage alongside the fund placement — restoring the protection the private policy would have bundled in.
How this fits the rest of a traveling crew’s program
A monopolistic state is one specific case of a broader truth: for a fiber crew that moves, coverage follows the work, and the structure has to be set against where the crew actually goes. In ordinary states that means scheduling the right states and relying on other-states wording; in a monopolistic state it means the fund placement plus stop-gap. Either way, the lines that travel with the crew — commercial auto alongside comp, and general liability for the third-party exposures comp does not touch — are part of the same pre-build picture. This stays a qualitative read: rules vary by state, and nothing here states any state’s requirement as a fixed fact.
If your route runs through one of the four — and many fiber builds do — it helps to think about it state by state. We map the cost and coverage picture in our state guides for Ohio and Washington, and you can see where we work in Ohio and Washington. The same pre-build discipline that keeps a directional bore loss out of a gap applies here: name the exposure before the crew reaches it.
Confirm both before the crew mobilizes
Because the answer turns on the specific state and your specific policy, a monopolistic state on the build path is something to settle before the work, not after an injury. Confirm the state’s requirement, arrange coverage through its government fund, and set up stop-gap employers-liability coverage to address the part the fund does not include. The official funds — Ohio BWC and Washington L&I among them — are the primary sources for each state’s own rules, and broader workplace-safety guidance from OSHA and the U.S. Department of Labor frames how these crews are expected to operate.
When you are ready, start a quote and tell us where your crews are headed, or browse the full coverage overview to see how the lines fit together. A monopolistic state is one of the few situations where the rules genuinely change under your crew — and it stops being a surprise the moment you plan for both halves before the build.