# SIC 3310 - Steel Works, Blast Furnaces & Rolling & Finishing Mills

Informational only - not investment advice.

Division: [Manufacturing](/division/D/). Major group: [SIC Major Group 33](/major-group/33/). As of: 2026-02-26

## Companies
- [IIIN](/company/IIIN/): INSTEEL INDUSTRIES INC
- [ROCK](/company/ROCK/): GIBRALTAR INDUSTRIES, INC.
- [WOR](/company/WOR/): WORTHINGTON ENTERPRISES, INC.
- [WS](/company/WS/): Worthington Steel, Inc.

## Macro Context
- [INDPRO](/indicator/INDPRO/): Industrial Production: Total Index
- [TCU](/indicator/TCU/): Capacity Utilization: Total Index
- [PPIACO](/indicator/PPIACO/): Producer Price Index by Commodity: All Commodities
- [GDPC1](/indicator/GDPC1/): Real Gross Domestic Product
- [DGS10](/indicator/DGS10/): Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity
- [FEDFUNDS](/indicator/FEDFUNDS/): Federal Funds Effective Rate
- [CES0500000003](/indicator/CES0500000003/): Average Hourly Earnings of All Employees, Total Private
- [PAYEMS](/indicator/PAYEMS/): All Employees, Total Nonfarm

## Sector financials

Peer figures are build-time aggregates of the SEC companyfacts financials already shown on member company pages. As of latest member filing date: 2026-02-26.

| Companies with data | Companies with revenue | Aggregate revenue | Median revenue | Median net margin | Median operating margin | Median revenue growth | Median diluted EPS |
| ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| 4 | 4 | 6,030,269,000 | 1,144,631,500 | 4.96% | 4.75% | 1.79% | 2.01 |

### Peer Table

| Company | Latest revenue | Revenue FY | Net margin | Operating margin | Revenue growth | Diluted EPS |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| [WS](/company/WS/) - Worthington Steel, Inc. | 3,093,300,000 | 2025 | 3.58% | 4.75% | -9.83% | 2.19 |
| [WOR](/company/WOR/) - WORTHINGTON ENTERPRISES, INC. | 1,153,762,000 | 2025 | 8.33% | -0.93% | -7.38% | 1.92 |
| [ROCK](/company/ROCK/) - GIBRALTAR INDUSTRIES, INC. | 1,135,501,000 | 2025 | -3.91% | 10.81% | 10.96% | -1.48 |
| [IIIN](/company/IIIN/) - INSTEEL INDUSTRIES INC | 647,706,000 | 2025 | 6.33% |  | 22.39% | 2.10 |

## Sources
Macro data:
- [INDPRO](https://fred.stlouisfed.org/series/INDPRO): FRED series INDPRO, source: Board of Governors of the Federal Reserve System
- [TCU](https://fred.stlouisfed.org/series/TCU): FRED series TCU, source: Board of Governors of the Federal Reserve System
- [PPIACO](https://fred.stlouisfed.org/series/PPIACO): FRED series PPIACO, source: U.S. Bureau of Labor Statistics
- [GDPC1](https://fred.stlouisfed.org/series/GDPC1): FRED series GDPC1, source: U.S. Bureau of Economic Analysis
- [DGS10](https://fred.stlouisfed.org/series/DGS10): FRED series DGS10, source: Board of Governors / U.S. Treasury market data
- [FEDFUNDS](https://fred.stlouisfed.org/series/FEDFUNDS): FRED series FEDFUNDS, source: Board of Governors of the Federal Reserve System
- [CES0500000003](https://fred.stlouisfed.org/series/CES0500000003): FRED series CES0500000003, source: U.S. Bureau of Labor Statistics
- [PAYEMS](https://fred.stlouisfed.org/series/PAYEMS): FRED series PAYEMS, source: U.S. Bureau of Labor Statistics

SEC data:
- [IIIN SEC company page](https://www.sec.gov/edgar/browse/?CIK=764401); [latest 10-K 0001437749-25-031597](https://www.sec.gov/Archives/edgar/data/764401/000143774925031597/iiin20250927_10k.htm); [latest 10-Q 0001437749-26-012525](https://www.sec.gov/Archives/edgar/data/764401/000143774926012525/iiin20260328_10q.htm)
- [ROCK SEC company page](https://www.sec.gov/edgar/browse/?CIK=912562); [latest 10-K 0000912562-26-000025](https://www.sec.gov/Archives/edgar/data/912562/000091256226000025/rock-20251231.htm); [latest 10-Q 0000912562-26-000094](https://www.sec.gov/Archives/edgar/data/912562/000091256226000094/rock-20260331.htm)
- [WOR SEC company page](https://www.sec.gov/edgar/browse/?CIK=108516); [latest 10-K 0000950170-25-100137](https://www.sec.gov/Archives/edgar/data/108516/000095017025100137/wor-20250531.htm); [latest 10-Q 0001193125-26-149137](https://www.sec.gov/Archives/edgar/data/108516/000119312526149137/wor-20260228.htm)
- [WS SEC company page](https://www.sec.gov/edgar/browse/?CIK=1968487); [latest 10-K 0000950170-25-099742](https://www.sec.gov/Archives/edgar/data/1968487/000095017025099742/ws-20250531.htm); [latest 10-Q 0001968487-26-000008](https://www.sec.gov/Archives/edgar/data/1968487/000196848726000008/ws-20260228.htm)