vs
Side-by-side financial comparison of FOSTER L B CO (FSTR) and Solaris Energy Infrastructure, Inc. (SEI). Click either name above to swap in a different company.
Solaris Energy Infrastructure, Inc. is the larger business by last-quarter revenue ($196.2M vs $160.4M, roughly 1.2× FOSTER L B CO). Solaris Energy Infrastructure, Inc. runs the higher net margin — 16.3% vs 1.5%, a 14.8% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs 9.2%). Over the past eight quarters, Solaris Energy Infrastructure, Inc.'s revenue compounded faster (63.0% CAGR vs 13.6%).
Foster L B Co. is a U.S.-headquartered industrial manufacturing firm that develops, produces and distributes engineered access solutions, construction components, and rail infrastructure products. It serves commercial construction, transportation, and industrial end markets across North America and selected international regions.
AGL Energy Ltd is an Australian listed public company involved in both the generation and retailing of electricity and gas for residential and commercial use. It is one of the "big three" retailers in the National Electricity Market. AGL is Australia's largest electricity generator, and the nation's largest carbon emitter.
FSTR vs SEI — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $160.4M | $196.2M |
| Net Profit | $2.4M | $32.1M |
| Gross Margin | 19.7% | — |
| Operating Margin | 4.9% | 25.8% |
| Net Margin | 1.5% | 16.3% |
| Revenue YoY | 25.1% | 9.2% |
| Net Profit YoY | 1098.3% | 1013.5% |
| EPS (diluted) | $0.22 | $0.32 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | — | $196.2M | ||
| Q4 25 | $160.4M | $179.7M | ||
| Q3 25 | $138.3M | $166.8M | ||
| Q2 25 | $143.6M | $149.3M | ||
| Q1 25 | $97.8M | $126.3M | ||
| Q4 24 | $128.2M | $96.3M | ||
| Q3 24 | $137.5M | $75.0M | ||
| Q2 24 | $140.8M | $73.9M |
| Q1 26 | — | $32.1M | ||
| Q4 25 | $2.4M | $-1.7M | ||
| Q3 25 | $4.4M | $14.6M | ||
| Q2 25 | $2.9M | $12.0M | ||
| Q1 25 | $-2.1M | $5.3M | ||
| Q4 24 | $-242.0K | $6.3M | ||
| Q3 24 | $35.9M | $-968.0K | ||
| Q2 24 | $2.8M | $6.2M |
| Q1 26 | — | — | ||
| Q4 25 | 19.7% | — | ||
| Q3 25 | 22.5% | — | ||
| Q2 25 | 21.5% | — | ||
| Q1 25 | 20.6% | — | ||
| Q4 24 | 22.3% | — | ||
| Q3 24 | 23.8% | — | ||
| Q2 24 | 21.7% | — |
| Q1 26 | — | 25.8% | ||
| Q4 25 | 4.9% | 22.2% | ||
| Q3 25 | 6.0% | 22.7% | ||
| Q2 25 | 5.3% | 23.8% | ||
| Q1 25 | -2.0% | 17.5% | ||
| Q4 24 | 2.4% | 26.7% | ||
| Q3 24 | 5.3% | 7.0% | ||
| Q2 24 | 3.2% | 16.0% |
| Q1 26 | — | 16.3% | ||
| Q4 25 | 1.5% | -0.9% | ||
| Q3 25 | 3.1% | 8.7% | ||
| Q2 25 | 2.0% | 8.0% | ||
| Q1 25 | -2.2% | 4.2% | ||
| Q4 24 | -0.2% | 6.5% | ||
| Q3 24 | 26.1% | -1.3% | ||
| Q2 24 | 2.0% | 8.4% |
| Q1 26 | — | $0.32 | ||
| Q4 25 | $0.22 | — | ||
| Q3 25 | $0.40 | — | ||
| Q2 25 | $0.27 | — | ||
| Q1 25 | $-0.20 | — | ||
| Q4 24 | $-0.04 | — | ||
| Q3 24 | $3.27 | — | ||
| Q2 24 | $0.26 | — |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $4.3M | $344.5M |
| Total DebtLower is stronger | $42.6M | $395.4M |
| Stockholders' EquityBook value | $175.3M | — |
| Total Assets | $330.4M | — |
| Debt / EquityLower = less leverage | 0.24× | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $344.5M | ||
| Q4 25 | $4.3M | $353.3M | ||
| Q3 25 | $3.4M | $106.7M | ||
| Q2 25 | $4.2M | $99.6M | ||
| Q1 25 | $2.6M | $16.7M | ||
| Q4 24 | $2.5M | $114.3M | ||
| Q3 24 | $3.1M | $18.6M | ||
| Q2 24 | $4.0M | $5.1M |
| Q1 26 | — | $395.4M | ||
| Q4 25 | $42.6M | $184.0M | ||
| Q3 25 | $58.6M | $382.8M | ||
| Q2 25 | $81.4M | $386.2M | ||
| Q1 25 | $82.3M | $316.2M | ||
| Q4 24 | $46.8M | $315.7M | ||
| Q3 24 | $68.4M | $315.3M | ||
| Q2 24 | $87.0M | — |
| Q1 26 | — | — | ||
| Q4 25 | $175.3M | $564.3M | ||
| Q3 25 | $174.8M | $546.6M | ||
| Q2 25 | $174.4M | $399.1M | ||
| Q1 25 | $170.8M | $361.3M | ||
| Q4 24 | $178.3M | $355.6M | ||
| Q3 24 | $181.9M | $221.7M | ||
| Q2 24 | $147.1M | $204.6M |
| Q1 26 | — | — | ||
| Q4 25 | $330.4M | $2.1B | ||
| Q3 25 | $333.9M | $1.6B | ||
| Q2 25 | $349.9M | $1.5B | ||
| Q1 25 | $342.8M | $1.1B | ||
| Q4 24 | $334.6M | $1.1B | ||
| Q3 24 | $344.5M | $939.5M | ||
| Q2 24 | $333.3M | $457.8M |
| Q1 26 | — | — | ||
| Q4 25 | 0.24× | 0.33× | ||
| Q3 25 | 0.33× | 0.70× | ||
| Q2 25 | 0.47× | 0.97× | ||
| Q1 25 | 0.48× | 0.88× | ||
| Q4 24 | 0.26× | 0.89× | ||
| Q3 24 | 0.38× | 1.42× | ||
| Q2 24 | 0.59× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $22.2M | — |
| Free Cash FlowOCF − Capex | $19.8M | — |
| FCF MarginFCF / Revenue | 12.3% | — |
| Capex IntensityCapex / Revenue | 1.5% | 175.0% |
| Cash ConversionOCF / Net Profit | 9.18× | — |
| TTM Free Cash FlowTrailing 4 quarters | $25.2M | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $22.2M | $95.9M | ||
| Q3 25 | $29.2M | $63.3M | ||
| Q2 25 | $10.4M | $24.2M | ||
| Q1 25 | $-26.1M | $25.7M | ||
| Q4 24 | $24.3M | $13.1M | ||
| Q3 24 | $24.7M | $10.5M | ||
| Q2 24 | $-5.0M | $18.9M |
| Q1 26 | — | — | ||
| Q4 25 | $19.8M | $-158.6M | ||
| Q3 25 | $26.4M | $462.0K | ||
| Q2 25 | $7.7M | $-160.9M | ||
| Q1 25 | $-28.7M | $-118.6M | ||
| Q4 24 | $22.3M | $-113.6M | ||
| Q3 24 | $21.7M | $-47.2M | ||
| Q2 24 | $-7.0M | $18.2M |
| Q1 26 | — | — | ||
| Q4 25 | 12.3% | -88.2% | ||
| Q3 25 | 19.1% | 0.3% | ||
| Q2 25 | 5.4% | -107.8% | ||
| Q1 25 | -29.4% | -93.9% | ||
| Q4 24 | 17.4% | -117.9% | ||
| Q3 24 | 15.8% | -63.0% | ||
| Q2 24 | -5.0% | 24.7% |
| Q1 26 | — | 175.0% | ||
| Q4 25 | 1.5% | 141.6% | ||
| Q3 25 | 2.0% | 37.6% | ||
| Q2 25 | 1.9% | 124.0% | ||
| Q1 25 | 2.6% | 114.2% | ||
| Q4 24 | 1.5% | 131.5% | ||
| Q3 24 | 2.2% | 77.0% | ||
| Q2 24 | 1.5% | 0.9% |
| Q1 26 | — | — | ||
| Q4 25 | 9.18× | — | ||
| Q3 25 | 6.70× | 4.35× | ||
| Q2 25 | 3.61× | 2.02× | ||
| Q1 25 | — | 4.83× | ||
| Q4 24 | — | 2.10× | ||
| Q3 24 | 0.69× | — | ||
| Q2 24 | -1.74× | 3.04× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
FSTR
| Rail Technologies And Services Segment | $98.0M | 61% |
| Over Time Output Method | $26.3M | 16% |
| Services | $19.4M | 12% |
| Rail Technologies Products | $10.0M | 6% |
| Over Time Input Method | $8.3M | 5% |
SEI
| Leasing revenue | $105.4M | 54% |
| Service revenue | $90.9M | 46% |
