South Carolina trucking workers' comp is priced by one formula: (driver payroll ÷ 100) × class-code rate × experience mod. Trucking lands in one of the higher-rated codes, so in 2026 a small, clean-record carrier might pay several thousand dollars per driver per year, while a mid-size fleet running real driver payroll can pay tens of thousands to well over $100,000. Your class code and driver payroll set the ballpark — but in trucking, one question moves the number more than any other: how you treat owner-operators.
Every workers' comp premium starts the same way. Take your annual driver payroll, divide by 100, multiply by the rate for your class code, then multiply by your experience modification factor. Trucking is rated higher than most trades because the severity of a commercial-driving injury is high — a single serious highway accident can produce a very large claim. That's why "what does workers' comp cost" for a South Carolina carrier always comes back to how much driver payroll you run and what your loss history looks like. South Carolina's freight economy — the Port of Charleston, the inland port at Greer, and the I-95, I-26, and I-85 corridors — puts a lot of the state's trucking payroll on long-haul lanes, which sit in the higher of the two driver codes.
South Carolina trucking drivers are typically rated under class code 7228 (local or short-haul trucking) or 7229 (long-distance trucking) — both among the higher-rated codes. But not everyone on your payroll is a driver. Mechanics, dock and warehouse workers, dispatchers, and clerical staff have their own, usually much lower, codes. One of the biggest and most common overpayments in trucking comp is non-driver payroll lumped into the 7228/7229 driver code. Getting your shop mechanic, your dispatcher, and your office manager classified correctly instead of at the driver rate can save real money every single year.
South Carolina is a loss-cost state. The National Council on Compensation Insurance (NCCI) files advisory loss costs by class code, and each carrier then applies its own loss cost multiplier and appetite on top. The practical effect: two carriers can quote the same South Carolina trucking company meaningfully different premiums for identical driver payroll and class codes, because their multipliers and their willingness to write trucking differ. Trucking is a class a lot of carriers surcharge or avoid entirely, so matching the account to a carrier with genuine trucking appetite is half the battle.
South Carolina's 2024 liability changes made a lot of noise in trucking — but mostly on the commercial auto and general liability side, where large jury verdicts and the state's joint-and-several liability rules had pushed premiums up and shoved some fleets into surplus lines. Workers' compensation is a different animal: it's a statutory, no-fault line priced on payroll, class code, and experience mod, not on what a jury awards. So your comp number isn't being driven by verdict trends. What the firming market has done is make carriers pickier about trucking across the board — which means a clean mod, documented safety, and correct classification carry more weight now when you're trying to get an SC fleet placed at a fair price.
Nothing swings a trucking company's comp premium — or its audit — like the treatment of owner-operators. A genuinely independent owner-operator who carries their own workers' comp or an occupational accident policy, under a proper independent-contractor contract, generally isn't on your policy. But if an owner-operator can't show valid coverage, or the relationship looks more like employment than independent contracting, an auditor can add that owner-operator's earnings to your payroll and charge you premium for it at year-end. Carriers that treat drivers as 1099 without the paperwork to back it up get some of the most expensive audit surprises in the business.
South Carolina generally requires employers with four or more employees to carry workers' comp — a notably higher threshold than Georgia's three. Trucking companies fall under that four-employee rule, but the count itself is where trucking gets complicated, because whether owner-operators count as employees depends on how the relationship is actually structured. Confirm current rules and your specific situation with the South Carolina Workers' Compensation Commission, and remember that your shippers, brokers, and contracts may require coverage regardless of your headcount.
Underwriters and auditors price to what you can document. The highest-leverage moves for a South Carolina trucking company:
The goal isn't just the lowest number — it's a program that gets bound, audited fairly, survives the owner-operator question, and won't be non-renewed next year. A rock-bottom quote from a carrier with no real appetite for trucking can evaporate at renewal or blow up at audit when owner-operator payroll gets charged back. The right question is "which carrier genuinely wants my South Carolina trucking operation, at a mod, classification, and owner-operator structure that hold up at audit" — and answering it is exactly what an independent agency is for.
Bettr Coverage shops South Carolina trucking workers' comp across carriers with real appetite for the class — then structures classifications and owner-operator handling so the program holds up at audit. One agency, the full picture, including the commercial-auto side the post-2024 market made harder.
Get a free coverage reviewIt's driver payroll ÷ 100 × class-code rate × experience mod. Trucking is a high-rated class, so a small clean carrier might pay several thousand per driver a year; a mid-size fleet can pay tens of thousands to over $100,000.
Usually 7228 for local/short-haul and 7229 for long-distance — both high-rated. Mechanics, dock workers, and clerical staff have their own lower codes and shouldn't be lumped into the driver code.
Generally for employers with four or more employees — a higher threshold than Georgia's three. Trucking falls under that rule, but owner-operator treatment complicates the count. Confirm with the South Carolina Workers' Compensation Commission.
A genuinely independent owner-operator with valid coverage or an occupational accident policy generally isn't on your policy. But without proof or with an employment-like relationship, an auditor can charge their earnings back to you.
Not directly — comp is a statutory, no-fault line priced on payroll and mod, not jury verdicts. The reform mostly hit commercial auto and GL. But the firming market made carriers pickier about trucking overall.
Fix non-driver classifications, get owner-operator paperwork right before audit, manage the experience mod, and place with a trucking-friendly carrier. Classification and audit prevention usually beat chasing the rate.
For general information only. Not a quote or contract of insurance. Premium ranges are illustrative and vary by carrier, class code, driver payroll, experience mod, owner-operator structure, and underwriting. Workers' compensation requirements and exemptions are set by South Carolina law — confirm current rules with the South Carolina Workers' Compensation Commission. Coverage subject to policy terms and carrier appetite.