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Steel Works, Blast Furnaces & Rolling & Finishing Mills SIC 3310
5 companies filing with the SEC under SIC 3310. Median revenue growth +54% year on year in Q3 2026 (middle half +18% to +88%, 5 companies). The growth model expects the industry's combined revenue to grow +24% in Q3 2026. 2 customer or supplier links named in annual reports.
Money flow: where the industry's revenue goes
Drawn in the browser: an estimate of where the industry's revenue goes — what it buys from other industries, the pay that reaches households, taxes and profit — beside its filed cash flow, two tiers of suppliers and its capital spending by kind of asset.
Open the industry: growth distribution, money flow, network →
Who sells to whom
Customers and suppliers named in the companies' annual reports; the share is of the supplier's revenue.
- CLF → WS
- WS → WOR
Growth model
Industry revenue, the same companies year on year; 80% ranges. Fitted on SEC filings and tested out of sample (how).
| Quarter | Growth Y/Y | Revenue | 80% range |
|---|---|---|---|
| Q3 2026 | +24.3% | $2.3B | $2.0B – $2.5B |
| Q4 2026 | +22.9% | $2.2B | $1.9B – $2.5B |
| Q1 2027 | +21.4% | $2.0B | $1.8B – $2.3B |
| Q2 2027 | +19.5% | $2.7B | $2.3B – $3.1B |
Capital spending and supply chain →
Companies
| Company | Quarterly revenue | Y/Y | Stage |
|---|---|---|---|
| WS Worthington Steel | $2.7B | +212% | reacceleration |
| ROCK Gibraltar Industries | $480M | +54% | deceleration |
| WOR Worthington Enterprises | $344M | +13% | transition |
| FRD Friedman Industries | $287M | +88% | transition |
| IIIN Insteel Industries | $209M | +18% | transition |
Growth from positive, comparable quarterly revenue as filed; industries are SEC Standard Industrial Classification codes. Data Nov 8, 2026.