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Side-by-side financial comparison of FOSTER L B CO (FSTR) and Sotera Health Co (SHC). Click either name above to swap in a different company.

Sotera Health Co is the larger business by last-quarter revenue ($303.4M vs $160.4M, roughly 1.9× FOSTER L B CO). Sotera Health Co runs the higher net margin — 11.5% vs 1.5%, a 10.0% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs 4.6%). Sotera Health Co produced more free cash flow last quarter ($52.4M vs $19.8M). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs 10.6%).

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.

Sotera Health Co is a global provider of end-to-end medical safety solutions. It offers sterilization services, analytical laboratory testing, and regulatory advisory support for medical device manufacturers, pharmaceutical firms, and food and consumer product companies, helping clients meet industry standards and ensure product safety for end users worldwide.

FSTR vs SHC — Head-to-Head

Bigger by revenue
SHC
SHC
1.9× larger
SHC
$303.4M
$160.4M
FSTR
Growing faster (revenue YoY)
FSTR
FSTR
+20.6% gap
FSTR
25.1%
4.6%
SHC
Higher net margin
SHC
SHC
10.0% more per $
SHC
11.5%
1.5%
FSTR
More free cash flow
SHC
SHC
$32.6M more FCF
SHC
$52.4M
$19.8M
FSTR
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
10.6%
SHC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSTR
FSTR
SHC
SHC
Revenue
$160.4M
$303.4M
Net Profit
$2.4M
$34.8M
Gross Margin
19.7%
54.7%
Operating Margin
4.9%
23.2%
Net Margin
1.5%
11.5%
Revenue YoY
25.1%
4.6%
Net Profit YoY
1098.3%
182.8%
EPS (diluted)
$0.22
$0.12

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
FSTR
FSTR
SHC
SHC
Q4 25
$160.4M
$303.4M
Q3 25
$138.3M
$311.3M
Q2 25
$143.6M
$294.3M
Q1 25
$97.8M
$254.5M
Q4 24
$128.2M
$290.2M
Q3 24
$137.5M
$285.5M
Q2 24
$140.8M
$276.6M
Q1 24
$124.3M
$248.2M
Net Profit
FSTR
FSTR
SHC
SHC
Q4 25
$2.4M
$34.8M
Q3 25
$4.4M
$48.4M
Q2 25
$2.9M
$8.0M
Q1 25
$-2.1M
$-13.3M
Q4 24
$-242.0K
$12.3M
Q3 24
$35.9M
$17.0M
Q2 24
$2.8M
$8.8M
Q1 24
$4.4M
$6.3M
Gross Margin
FSTR
FSTR
SHC
SHC
Q4 25
19.7%
54.7%
Q3 25
22.5%
57.0%
Q2 25
21.5%
56.6%
Q1 25
20.6%
53.2%
Q4 24
22.3%
56.6%
Q3 24
23.8%
55.4%
Q2 24
21.7%
55.2%
Q1 24
21.1%
51.2%
Operating Margin
FSTR
FSTR
SHC
SHC
Q4 25
4.9%
23.2%
Q3 25
6.0%
23.4%
Q2 25
5.3%
6.4%
Q1 25
-2.0%
-5.8%
Q4 24
2.4%
30.0%
Q3 24
5.3%
28.2%
Q2 24
3.2%
27.8%
Q1 24
4.5%
21.4%
Net Margin
FSTR
FSTR
SHC
SHC
Q4 25
1.5%
11.5%
Q3 25
3.1%
15.5%
Q2 25
2.0%
2.7%
Q1 25
-2.2%
-5.2%
Q4 24
-0.2%
4.2%
Q3 24
26.1%
6.0%
Q2 24
2.0%
3.2%
Q1 24
3.6%
2.5%
EPS (diluted)
FSTR
FSTR
SHC
SHC
Q4 25
$0.22
$0.12
Q3 25
$0.40
$0.17
Q2 25
$0.27
$0.03
Q1 25
$-0.20
$-0.05
Q4 24
$-0.04
$0.05
Q3 24
$3.27
$0.06
Q2 24
$0.26
$0.03
Q1 24
$0.40
$0.02

Balance Sheet & Financial Strength

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

Metric
FSTR
FSTR
SHC
SHC
Cash + ST InvestmentsLiquidity on hand
$4.3M
$344.6M
Total DebtLower is stronger
$42.6M
$2.1B
Stockholders' EquityBook value
$175.3M
$606.0M
Total Assets
$330.4M
$3.3B
Debt / EquityLower = less leverage
0.24×
3.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSTR
FSTR
SHC
SHC
Q4 25
$4.3M
$344.6M
Q3 25
$3.4M
$299.2M
Q2 25
$4.2M
$332.4M
Q1 25
$2.6M
$304.4M
Q4 24
$2.5M
$277.2M
Q3 24
$3.1M
$306.7M
Q2 24
$4.0M
$246.1M
Q1 24
$3.1M
$261.1M
Total Debt
FSTR
FSTR
SHC
SHC
Q4 25
$42.6M
$2.1B
Q3 25
$58.6M
$2.1B
Q2 25
$81.4M
$2.2B
Q1 25
$82.3M
$2.2B
Q4 24
$46.8M
$2.2B
Q3 24
$68.4M
$2.2B
Q2 24
$87.0M
$2.2B
Q1 24
$77.9M
$2.2B
Stockholders' Equity
FSTR
FSTR
SHC
SHC
Q4 25
$175.3M
$606.0M
Q3 25
$174.8M
$550.5M
Q2 25
$174.4M
$511.3M
Q1 25
$170.8M
$414.1M
Q4 24
$178.3M
$404.9M
Q3 24
$181.9M
$470.2M
Q2 24
$147.1M
$422.8M
Q1 24
$144.6M
$429.4M
Total Assets
FSTR
FSTR
SHC
SHC
Q4 25
$330.4M
$3.3B
Q3 25
$333.9M
$3.2B
Q2 25
$349.9M
$3.2B
Q1 25
$342.8M
$3.1B
Q4 24
$334.6M
$3.1B
Q3 24
$344.5M
$3.1B
Q2 24
$333.3M
$3.1B
Q1 24
$326.4M
$3.1B
Debt / Equity
FSTR
FSTR
SHC
SHC
Q4 25
0.24×
3.53×
Q3 25
0.33×
3.89×
Q2 25
0.47×
4.34×
Q1 25
0.48×
5.36×
Q4 24
0.26×
5.49×
Q3 24
0.38×
4.73×
Q2 24
0.59×
5.26×
Q1 24
0.54×
5.19×

Cash Flow & Capital Efficiency

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

Metric
FSTR
FSTR
SHC
SHC
Operating Cash FlowLast quarter
$22.2M
$103.1M
Free Cash FlowOCF − Capex
$19.8M
$52.4M
FCF MarginFCF / Revenue
12.3%
17.3%
Capex IntensityCapex / Revenue
1.5%
16.7%
Cash ConversionOCF / Net Profit
9.18×
2.96×
TTM Free Cash FlowTrailing 4 quarters
$25.2M
$149.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSTR
FSTR
SHC
SHC
Q4 25
$22.2M
$103.1M
Q3 25
$29.2M
$71.2M
Q2 25
$10.4M
$57.4M
Q1 25
$-26.1M
$55.5M
Q4 24
$24.3M
$55.7M
Q3 24
$24.7M
$97.5M
Q2 24
$-5.0M
$61.3M
Q1 24
$-21.4M
$9.7M
Free Cash Flow
FSTR
FSTR
SHC
SHC
Q4 25
$19.8M
$52.4M
Q3 25
$26.4M
$35.0M
Q2 25
$7.7M
$26.2M
Q1 25
$-28.7M
$35.6M
Q4 24
$22.3M
$-10.2M
Q3 24
$21.7M
$61.1M
Q2 24
$-7.0M
$19.4M
Q1 24
$-24.2M
$-25.2M
FCF Margin
FSTR
FSTR
SHC
SHC
Q4 25
12.3%
17.3%
Q3 25
19.1%
11.2%
Q2 25
5.4%
8.9%
Q1 25
-29.4%
14.0%
Q4 24
17.4%
-3.5%
Q3 24
15.8%
21.4%
Q2 24
-5.0%
7.0%
Q1 24
-19.4%
-10.2%
Capex Intensity
FSTR
FSTR
SHC
SHC
Q4 25
1.5%
16.7%
Q3 25
2.0%
11.6%
Q2 25
1.9%
10.6%
Q1 25
2.6%
7.8%
Q4 24
1.5%
22.7%
Q3 24
2.2%
12.7%
Q2 24
1.5%
15.2%
Q1 24
2.2%
14.1%
Cash Conversion
FSTR
FSTR
SHC
SHC
Q4 25
9.18×
2.96×
Q3 25
6.70×
1.47×
Q2 25
3.61×
7.21×
Q1 25
Q4 24
4.52×
Q3 24
0.69×
5.73×
Q2 24
-1.74×
7.00×
Q1 24
-4.83×
1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

SHC
SHC

Transferred At Point In Time$198.4M65%
Nelson Labs$55.2M18%
Nordion$49.8M16%

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