{
  "industry": "Pipeline Transportation",
  "naics": "486",
  "geo": "Tennessee",
  "grain_of_margin": "national",
  "national_net_margin_pct": -0.6,
  "local_establishments": 58.0,
  "local_avg_weekly_wage": 2971.0,
  "note": "Margin is national. Local counts are state-grain. No local margin exists."
}