NPK International (NPKI) vs Gibraltar Industries (ROCK)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
NPK International (NPKI) has outperformed Gibraltar Industries (ROCK) over the past year, gaining 3.4% versus a loss of 40.3%. Over five years, NPKI leads with a +221.4% price change compared with -48.2% for ROCK. Gibraltar Industries is the larger company by market cap ($1.11 billion vs $974.8 million), about 1.1 times the size.
On valuation, Gibraltar Industries trades at a lower forward P/E (7.8x vs 18.3x for NPK International).
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | NPKI | ROCK |
|---|---|---|
| Share price | $11.48 | $37.48 |
| Market cap | $974.77M | $1.11B |
| 1-day change | +0.61% | -2.47% |
| YTD return | -4.28% | -22.27% |
| 1-year return | +3.45% | -40.34% |
| 5-year return | +221.41% | -48.16% |
| P/E ratio (TTM) | 24.96 | 18.55 |
| Forward P/E | 18.32 | 7.79 |
| EPS (TTM) | $0.46 | $2.02 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $16.50 | $75.08 |
| 52-week low | $10.73 | $33.56 |
| Distance from 52-week high | -30.42% | -50.08% |
| Analyst consensus | none | strong_buy |
| Avg. price target upside | +77.09% | +100.77% |
| Average volume | 806.72K | 318.90K |
| Shares outstanding | 84.91M | 29.66M |
| Employees | 510 | 2,300 |
| Sector | Industrials | Industrials |
| Industry | Misc Corporate Leasing Services | Steel/Iron Ore |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- NPKI has outperformed ROCK by 43.8 percentage points over the past year.
- NPK International trades at a higher earnings multiple (25.0x vs 18.6x trailing P/E).
About NPK International
NPKI stock →NPK International Inc., a temporary worksite access solutions company, manufactures, sells, and rents recyclable composite matting products in the United States and United Kingdom. The company engages in the installation and rental of matting systems, and related site construction and services to customers in various markets, including power transmission, oil and natural gas exploration and production, pipeline, renewable energy, petrochemical, construction, and other industries.
Industrials · Misc Corporate Leasing Services · 510 employees
About Gibraltar Industries
ROCK stock →Gibraltar Industries, Inc. manufactures and provides products and services for the residential, agtech, and infrastructure markets in the United States and internationally.
Industrials · Steel/Iron Ore · 2,300 employees
NPKI vs ROCK FAQ
Which is bigger, NPK International or Gibraltar Industries?
Gibraltar Industries (ROCK) is larger, with a market capitalization of $1.11B compared with $974.77M for NPK International (NPKI).
Which stock has performed better over the past year, NPKI or ROCK?
NPKI returned +3.45% over the past 12 months, compared with -40.34% for ROCK (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, NPKI or ROCK?
ROCK has the lower trailing P/E at 18.6, versus 25.0 for NPKI. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are NPK International and Gibraltar Industries in the same industry?
Both are in the Industrials sector, but in different industries: Misc Corporate Leasing Services for NPK International and Steel/Iron Ore for Gibraltar Industries.