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Side-by-side financial comparison of DMC Global Inc. (BOOM) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

FOSTER L B CO is the larger business by last-quarter revenue ($160.4M vs $143.5M, roughly 1.1× DMC Global Inc.). FOSTER L B CO runs the higher net margin — 1.5% vs -7.8%, a 9.3% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs -5.8%). FOSTER L B CO produced more free cash flow last quarter ($19.8M vs $9.6M). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs -7.3%).

DMC Mining Services is a mining services contractor founded in 1980 operating in Canada, the United States, Chile, and Mongolia

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.

BOOM vs FSTR — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.1× larger
FSTR
$160.4M
$143.5M
BOOM
Growing faster (revenue YoY)
FSTR
FSTR
+30.9% gap
FSTR
25.1%
-5.8%
BOOM
Higher net margin
FSTR
FSTR
9.3% more per $
FSTR
1.5%
-7.8%
BOOM
More free cash flow
FSTR
FSTR
$10.2M more FCF
FSTR
$19.8M
$9.6M
BOOM
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
-7.3%
BOOM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BOOM
BOOM
FSTR
FSTR
Revenue
$143.5M
$160.4M
Net Profit
$-11.2M
$2.4M
Gross Margin
17.1%
19.7%
Operating Margin
-7.8%
4.9%
Net Margin
-7.8%
1.5%
Revenue YoY
-5.8%
25.1%
Net Profit YoY
-3871.6%
1098.3%
EPS (diluted)
$-0.60
$0.22

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.

Revenue
BOOM
BOOM
FSTR
FSTR
Q4 25
$143.5M
$160.4M
Q3 25
$151.5M
$138.3M
Q2 25
$155.5M
$143.6M
Q1 25
$159.3M
$97.8M
Q4 24
$152.4M
$128.2M
Q3 24
$152.4M
$137.5M
Q2 24
$171.2M
$140.8M
Q1 24
$166.9M
$124.3M
Net Profit
BOOM
BOOM
FSTR
FSTR
Q4 25
$-11.2M
$2.4M
Q3 25
$-3.1M
$4.4M
Q2 25
$116.0K
$2.9M
Q1 25
$677.0K
$-2.1M
Q4 24
$296.0K
$-242.0K
Q3 24
$-101.3M
$35.9M
Q2 24
$4.0M
$2.8M
Q1 24
$2.6M
$4.4M
Gross Margin
BOOM
BOOM
FSTR
FSTR
Q4 25
17.1%
19.7%
Q3 25
21.7%
22.5%
Q2 25
23.6%
21.5%
Q1 25
25.9%
20.6%
Q4 24
20.8%
22.3%
Q3 24
19.8%
23.8%
Q2 24
27.1%
21.7%
Q1 24
25.4%
21.1%
Operating Margin
BOOM
BOOM
FSTR
FSTR
Q4 25
-7.8%
4.9%
Q3 25
0.4%
6.0%
Q2 25
2.5%
5.3%
Q1 25
4.1%
-2.0%
Q4 24
-0.5%
2.4%
Q3 24
-97.7%
5.3%
Q2 24
6.8%
3.2%
Q1 24
4.0%
4.5%
Net Margin
BOOM
BOOM
FSTR
FSTR
Q4 25
-7.8%
1.5%
Q3 25
-2.0%
3.1%
Q2 25
0.1%
2.0%
Q1 25
0.4%
-2.2%
Q4 24
0.2%
-0.2%
Q3 24
-66.5%
26.1%
Q2 24
2.3%
2.0%
Q1 24
1.5%
3.6%
EPS (diluted)
BOOM
BOOM
FSTR
FSTR
Q4 25
$-0.60
$0.22
Q3 25
$-0.10
$0.40
Q2 25
$-0.24
$0.27
Q1 25
$0.04
$-0.20
Q4 24
$-0.18
$-0.04
Q3 24
$-8.27
$3.27
Q2 24
$0.24
$0.26
Q1 24
$0.01
$0.40

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
BOOM
BOOM
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$31.9M
$4.3M
Total DebtLower is stronger
$50.6M
$42.6M
Stockholders' EquityBook value
$242.1M
$175.3M
Total Assets
$635.8M
$330.4M
Debt / EquityLower = less leverage
0.21×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BOOM
BOOM
FSTR
FSTR
Q4 25
$31.9M
$4.3M
Q3 25
$26.4M
$3.4M
Q2 25
$12.4M
$4.2M
Q1 25
$14.7M
$2.6M
Q4 24
$14.3M
$2.5M
Q3 24
$14.5M
$3.1M
Q2 24
$14.6M
$4.0M
Q1 24
$20.4M
$3.1M
Total Debt
BOOM
BOOM
FSTR
FSTR
Q4 25
$50.6M
$42.6M
Q3 25
$56.5M
$58.6M
Q2 25
$58.7M
$81.4M
Q1 25
$72.4M
$82.3M
Q4 24
$70.8M
$46.8M
Q3 24
$74.2M
$68.4M
Q2 24
$84.1M
$87.0M
Q1 24
$88.0M
$77.9M
Stockholders' Equity
BOOM
BOOM
FSTR
FSTR
Q4 25
$242.1M
$175.3M
Q3 25
$253.0M
$174.8M
Q2 25
$253.9M
$174.4M
Q1 25
$253.9M
$170.8M
Q4 24
$251.0M
$178.3M
Q3 24
$256.5M
$181.9M
Q2 24
$416.0M
$147.1M
Q1 24
$409.9M
$144.6M
Total Assets
BOOM
BOOM
FSTR
FSTR
Q4 25
$635.8M
$330.4M
Q3 25
$644.1M
$333.9M
Q2 25
$645.0M
$349.9M
Q1 25
$670.6M
$342.8M
Q4 24
$671.3M
$334.6M
Q3 24
$702.0M
$344.5M
Q2 24
$869.5M
$333.3M
Q1 24
$860.0M
$326.4M
Debt / Equity
BOOM
BOOM
FSTR
FSTR
Q4 25
0.21×
0.24×
Q3 25
0.22×
0.33×
Q2 25
0.23×
0.47×
Q1 25
0.29×
0.48×
Q4 24
0.28×
0.26×
Q3 24
0.29×
0.38×
Q2 24
0.20×
0.59×
Q1 24
0.21×
0.54×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
BOOM
BOOM
FSTR
FSTR
Operating Cash FlowLast quarter
$15.2M
$22.2M
Free Cash FlowOCF − Capex
$9.6M
$19.8M
FCF MarginFCF / Revenue
6.7%
12.3%
Capex IntensityCapex / Revenue
3.9%
1.5%
Cash ConversionOCF / Net Profit
9.18×
TTM Free Cash FlowTrailing 4 quarters
$37.0M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BOOM
BOOM
FSTR
FSTR
Q4 25
$15.2M
$22.2M
Q3 25
$18.6M
$29.2M
Q2 25
$15.2M
$10.4M
Q1 25
$4.5M
$-26.1M
Q4 24
$11.8M
$24.3M
Q3 24
$19.0M
$24.7M
Q2 24
$2.3M
$-5.0M
Q1 24
$13.4M
$-21.4M
Free Cash Flow
BOOM
BOOM
FSTR
FSTR
Q4 25
$9.6M
$19.8M
Q3 25
$14.4M
$26.4M
Q2 25
$12.3M
$7.7M
Q1 25
$709.0K
$-28.7M
Q4 24
$6.1M
$22.3M
Q3 24
$12.9M
$21.7M
Q2 24
$-204.0K
$-7.0M
Q1 24
$10.5M
$-24.2M
FCF Margin
BOOM
BOOM
FSTR
FSTR
Q4 25
6.7%
12.3%
Q3 25
9.5%
19.1%
Q2 25
7.9%
5.4%
Q1 25
0.4%
-29.4%
Q4 24
4.0%
17.4%
Q3 24
8.5%
15.8%
Q2 24
-0.1%
-5.0%
Q1 24
6.3%
-19.4%
Capex Intensity
BOOM
BOOM
FSTR
FSTR
Q4 25
3.9%
1.5%
Q3 25
2.8%
2.0%
Q2 25
1.9%
1.9%
Q1 25
2.4%
2.6%
Q4 24
3.7%
1.5%
Q3 24
4.0%
2.2%
Q2 24
1.5%
1.5%
Q1 24
1.8%
2.2%
Cash Conversion
BOOM
BOOM
FSTR
FSTR
Q4 25
9.18×
Q3 25
6.70×
Q2 25
131.43×
3.61×
Q1 25
6.63×
Q4 24
39.90×
Q3 24
0.69×
Q2 24
0.58×
-1.74×
Q1 24
5.24×
-4.83×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

BOOM
BOOM

Dyna Energetics Segment$68.9M48%
Other$57.0M40%
Nobel Clad Segment$17.7M12%

FSTR
FSTR

Rail Technologies And Services Segment$98.0M61%
Over Time Output Method$26.3M16%
Services$19.4M12%
Rail Technologies Products$10.0M6%
Over Time Input Method$8.3M5%

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