If you haul for an operator in the Permian Basin, somebody handed you a stack of paper before you ever backed up to the lease road. Buried in that stack, usually thirty or forty pages in, is a Master Service Agreement — and the insurance section of that MSA, not the state of Texas, is what actually determines whether your coverage is good enough to keep hauling. A lot of agents quote the policy the trucking regulations require and call it done. That's not the same thing as a policy that satisfies an operator's MSA, and the gap between those two shows up at the worst possible time: after a wreck, when the operator's risk manager is reading your certificate line by line.
We work with owner-operators and small fleets running oilfield freight out of Wise, Parker, and Jack County into the Permian and the Eagle Ford, and we see the same three or four mistakes on repeat.
What an MSA is, and why it sets your real insurance floor
An MSA is a private contract, and private contracts can demand more than the law does. The Federal Motor Carrier Safety Administration sets a minimum financial responsibility level for interstate trucking — $750,000 for general freight, $1,000,000 or $5,000,000 for certain hazardous cargo. That's a floor for operating legally. It is not a ceiling, and it is almost never enough for an operator who has decided, through its own MSA, that anyone working its leases needs to carry more.
Operators write MSAs to push risk downstream. An E&P company, a midstream operator, or a drilling contractor doesn't want to be the deep pocket when a hauler causes a wreck on a farm-to-market road or a fatality on a lease road. So the MSA does three things at once: it sets minimum limits higher than the regulatory floor, it requires the carrier to name the operator as an additional insured, and it shifts the right to sue back to the carrier's insurer through a waiver of subrogation. All three of those terms live in the insurance section of the contract, and all three need to actually show up as endorsements on your policy — not just as language in an email or a certificate.
Additional insured — and the two words that matter most
Getting added as an
additional insured is only step one. Most oilfield MSAs go further and require that the additional insured status be primary and non-contributory. That phrase is doing real work. "Primary" means your policy pays first, ahead of any insurance the operator carries on its own equipment or operations. "Non-contributory" means the operator's own coverage doesn't have to kick in and split the loss with yours — your policy absorbs it up to your limits before the operator's carrier is touched at all.
Without that endorsement, you can be a named additional insured and still fail the contract. A standard additional insured endorsement, added without the primary and non-contributory language, may still let the operator's carrier come back and demand your policy share the loss. That defeats the entire point of the requirement from the operator's side, and if their risk management team catches it during underwriting review or after a claim, you can be found in breach of the MSA — with an indemnity obligation now sitting entirely on you, uninsured.
Waiver of subrogation: giving up the right to chase reimbursement
A waiver of subrogation stops your own insurance company from suing the operator to recover what it paid out. Normally, if your carrier pays a claim and someone else was at fault, your carrier has the right to go after that party to get its money back — that's subrogation. An MSA typically requires you to waive that right in favor of the operator, meaning your insurer absorbs the loss without a shot at reimbursement from the operator's side, even in situations where the operator contributed to the incident.
This has to be endorsed onto the policy, the same as additional insured status. It is not automatic, and it is not something your insurer grants informally because you mentioned it needs to happen. If the waiver isn't on the policy in writing, it doesn't exist as far as a court or the operator's counsel is concerned — regardless of what the certificate says or what your producer told you over the phone.
Certificate holder vs. actually endorsed — this is the gap that gets haulers cut
A
certificate of insurance is a summary, not a contract. Naming the operator as a certificate holder means their name and address appear on that summary document — nothing more. It is not proof that the operator has been added to your policy as an additional insured, and it carries no independent legal weight. Certificates almost always include language saying exactly that: they confer no rights on the certificate holder and don't amend the policy.
Being endorsed means the operator's name is attached to your actual policy form, on file with the carrier, changing what the policy does. That's the only version of "coverage" an MSA is asking for. We've reviewed plenty of files where a hauler's certificate listed the operator correctly, the coverage description looked right, and the actual endorsement was never issued — because nobody circled back to the underwriter to confirm it, or the request got lost between the agency and the carrier. The certificate looked fine sitting in a file cabinet. It did nothing when it mattered.
Auto liability limits operators commonly ask for
Oilfield MSAs tend to ask for higher auto liability limits than general freight contracts, but the number is never universal. We commonly see operators request combined single limits in the $1,000,000 to $5,000,000 range for auto liability, sometimes layered with an umbrella or excess policy to get there, plus separate requirements for general liability and workers' compensation. Some operators specify limits per vehicle type or per commodity hauled. None of that is a rule you can rely on for every contract — the only number that matters is the one written into your specific agreement with your specific operator.
Why an MCS-90 does not satisfy an MSA
The MCS-90 endorsement is a federal financial responsibility filing, not a substitute for the coverage the FMCSA minimum, and it never satisfies an MSA on its own. It exists to guarantee that an injured public motorist can collect up to the FMCSA minimum even if the policy underneath it has an exclusion that would otherwise block payment — and the carrier that pays under an MCS-90 can turn around and seek reimbursement from the insured afterward. It was never designed to establish additional insured status, primary and non-contributory language, or a waiver of subrogation, and it does nothing to raise your limits above whatever your underlying policy provides. An operator's MSA is asking for specific contractual protections that live in the policy itself. The MCS-90 doesn't provide any of them, and no reasonable review of an MSA would treat it as if it did.
What happens at claim time when the endorsement was never issued
The worst moment to discover a missing endorsement is after a serious wreck. If your policy was never actually endorsed with additional insured status, primary and non-contributory language, and a waiver of subrogation, the operator's defense counsel will find that gap immediately — usually within days of a claim being filed. At that point, the operator's own carrier may deny that your policy responds first, your insurer may pursue subrogation against the operator despite the contract, and you can be personally on the hook for an indemnity obligation you agreed to in the MSA but never actually insured.
This is preventable, and it takes one phone call before you sign, not after you're hauling. Send your MSA to your agent — not just the certificate request, the actual insurance section of the contract — and have them confirm in writing with the carrier that the specific endorsements the MSA requires have been issued, not just requested. This matters just as much for
owner-operators and small fleets as it does for larger carriers, because a one-truck operation has less room to absorb an uninsured indemnity claim than a fleet with a legal department and reserves behind it.
Every operator writes its MSA differently, and the same operator can update requirements from one contract cycle to the next. Don't rely on what a contract required last year, what another hauler told you their MSA says, or a general sense of what's "normal" in the Permian. Read the insurance section of your actual MSA, confirm the specific limits and endorsements it demands, and have your agent verify each one is issued on the policy — not just quoted, not just mentioned on a certificate. That's the only version of "covered" that holds up when an operator's counsel goes looking for it.
We review MSAs for North Texas haulers running oilfield freight all the time, and we'd rather catch a gap on a Tuesday afternoon than explain one during a claim. If you've got a new MSA on your desk, or you're not sure the endorsements on your current policy actually match what your existing contract requires, bring it in before you sign anything or renew anything.
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