Three industry-driven factors determine which PEO wins for your company:
Workers' comp class codes and mod rates. A roofing contractor (NCCI 5551) operates with one of the highest workers' comp rates in construction. A SaaS company (NCCI 8810) operates with one of the lowest. Same PEO, different economics. PEO blended pool dynamics save high-mod industries 25–45% on workers' comp premium — for low-mod industries, the savings are smaller (often 5–10%) and the bundled services drive value instead.
Compliance load. Construction contractors face OSHA construction standards, prevailing wage, certified payroll, and state contractor licensure. Pest control faces state pesticide applicator licensure and EPA Worker Protection Standard. Landscaping faces H-2B visa compliance. Each compliance domain requires specialized PEO support — and not every PEO has it. Generic PEOs work for low-compliance industries; specialized PEOs (CoAdvantage construction, etc.) win for high-compliance industries.
Workforce profile. Seasonal swings (lawn care, residential roofing), high turnover (construction trades), multi-state operations (commercial GCs), and benefits expectations all shape which PEO platform and master plans fit. The mid-market PEO platform that fits a stable 100-person accounting firm fails for a 100-person seasonal lawn care operation.