{
  "industry": "Architectural, Engineering & Related Services",
  "naics": "5413",
  "metro": "Madison, WI",
  "grain_of_margin": "national",
  "national_net_margin_pct": 31.9,
  "metro_establishments": 309.0,
  "metro_employment": 5456.0,
  "metro_avg_weekly_wage": 1953.0,
  "note": "Margin is national. Counts + wage are metro (CBSA) grain. No local margin exists."
}