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Side-by-side financial comparison of Core Laboratories Inc. (CLB) 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 $121.8M, roughly 1.3× Core Laboratories Inc.). Core Laboratories Inc. runs the higher net margin — 4.2% vs 1.5%, a 2.7% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs -1.4%). FOSTER L B CO produced more free cash flow last quarter ($19.8M vs $517.0K). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs -3.4%).

Abbott Laboratories, commonly known as Abbott, is an American multinational medical devices and health care company with headquarters in Abbott Park, Illinois. The company produces pharmaceuticals for sale outside the United States, diagnostic products, nutritional products, and medical devices.

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.

CLB vs FSTR — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.3× larger
FSTR
$160.4M
$121.8M
CLB
Growing faster (revenue YoY)
FSTR
FSTR
+26.6% gap
FSTR
25.1%
-1.4%
CLB
Higher net margin
CLB
CLB
2.7% more per $
CLB
4.2%
1.5%
FSTR
More free cash flow
FSTR
FSTR
$19.3M more FCF
FSTR
$19.8M
$517.0K
CLB
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
-3.4%
CLB

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CLB
CLB
FSTR
FSTR
Revenue
$121.8M
$160.4M
Net Profit
$5.1M
$2.4M
Gross Margin
19.7%
Operating Margin
1.5%
4.9%
Net Margin
4.2%
1.5%
Revenue YoY
-1.4%
25.1%
Net Profit YoY
1098.3%
EPS (diluted)
$0.11
$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
CLB
CLB
FSTR
FSTR
Q1 26
$121.8M
Q4 25
$138.3M
$160.4M
Q3 25
$134.5M
$138.3M
Q2 25
$130.2M
$143.6M
Q1 25
$123.6M
$97.8M
Q4 24
$129.2M
$128.2M
Q3 24
$134.4M
$137.5M
Q2 24
$130.6M
$140.8M
Net Profit
CLB
CLB
FSTR
FSTR
Q1 26
$5.1M
Q4 25
$4.9M
$2.4M
Q3 25
$14.2M
$4.4M
Q2 25
$10.6M
$2.9M
Q1 25
$-154.0K
$-2.1M
Q4 24
$7.4M
$-242.0K
Q3 24
$11.7M
$35.9M
Q2 24
$9.0M
$2.8M
Gross Margin
CLB
CLB
FSTR
FSTR
Q1 26
Q4 25
20.8%
19.7%
Q3 25
22.0%
22.5%
Q2 25
20.3%
21.5%
Q1 25
19.5%
20.6%
Q4 24
17.8%
22.3%
Q3 24
20.5%
23.8%
Q2 24
21.2%
21.7%
Operating Margin
CLB
CLB
FSTR
FSTR
Q1 26
1.5%
Q4 25
11.5%
4.9%
Q3 25
15.6%
6.0%
Q2 25
11.7%
5.3%
Q1 25
3.6%
-2.0%
Q4 24
11.0%
2.4%
Q3 24
14.7%
5.3%
Q2 24
12.3%
3.2%
Net Margin
CLB
CLB
FSTR
FSTR
Q1 26
4.2%
Q4 25
3.6%
1.5%
Q3 25
10.6%
3.1%
Q2 25
8.2%
2.0%
Q1 25
-0.1%
-2.2%
Q4 24
5.7%
-0.2%
Q3 24
8.7%
26.1%
Q2 24
6.9%
2.0%
EPS (diluted)
CLB
CLB
FSTR
FSTR
Q1 26
$0.11
Q4 25
$0.11
$0.22
Q3 25
$0.30
$0.40
Q2 25
$0.22
$0.27
Q1 25
$0.00
$-0.20
Q4 24
$0.15
$-0.04
Q3 24
$0.25
$3.27
Q2 24
$0.19
$0.26

Balance Sheet & Financial Strength

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

Metric
CLB
CLB
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$22.8M
$4.3M
Total DebtLower is stronger
$42.6M
Stockholders' EquityBook value
$275.1M
$175.3M
Total Assets
$587.7M
$330.4M
Debt / EquityLower = less leverage
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLB
CLB
FSTR
FSTR
Q1 26
$22.8M
Q4 25
$22.7M
$4.3M
Q3 25
$25.6M
$3.4M
Q2 25
$31.2M
$4.2M
Q1 25
$22.1M
$2.6M
Q4 24
$19.2M
$2.5M
Q3 24
$21.5M
$3.1M
Q2 24
$17.7M
$4.0M
Total Debt
CLB
CLB
FSTR
FSTR
Q1 26
Q4 25
$110.3M
$42.6M
Q3 25
$114.1M
$58.6M
Q2 25
$124.6M
$81.4M
Q1 25
$124.4M
$82.3M
Q4 24
$126.1M
$46.8M
Q3 24
$139.9M
$68.4M
Q2 24
$147.6M
$87.0M
Stockholders' Equity
CLB
CLB
FSTR
FSTR
Q1 26
$275.1M
Q4 25
$266.0M
$175.3M
Q3 25
$271.3M
$174.8M
Q2 25
$261.3M
$174.4M
Q1 25
$253.4M
$170.8M
Q4 24
$246.6M
$178.3M
Q3 24
$250.7M
$181.9M
Q2 24
$240.3M
$147.1M
Total Assets
CLB
CLB
FSTR
FSTR
Q1 26
$587.7M
Q4 25
$584.0M
$330.4M
Q3 25
$591.4M
$333.9M
Q2 25
$602.1M
$349.9M
Q1 25
$591.5M
$342.8M
Q4 24
$585.1M
$334.6M
Q3 24
$600.5M
$344.5M
Q2 24
$597.8M
$333.3M
Debt / Equity
CLB
CLB
FSTR
FSTR
Q1 26
Q4 25
0.41×
0.24×
Q3 25
0.42×
0.33×
Q2 25
0.48×
0.47×
Q1 25
0.49×
0.48×
Q4 24
0.51×
0.26×
Q3 24
0.56×
0.38×
Q2 24
0.61×
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
CLB
CLB
FSTR
FSTR
Operating Cash FlowLast quarter
$4.0M
$22.2M
Free Cash FlowOCF − Capex
$517.0K
$19.8M
FCF MarginFCF / Revenue
0.4%
12.3%
Capex IntensityCapex / Revenue
1.5%
Cash ConversionOCF / Net Profit
0.77×
9.18×
TTM Free Cash FlowTrailing 4 quarters
$22.5M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLB
CLB
FSTR
FSTR
Q1 26
$4.0M
Q4 25
$7.9M
$22.2M
Q3 25
$8.5M
$29.2M
Q2 25
$13.9M
$10.4M
Q1 25
$6.7M
$-26.1M
Q4 24
$20.6M
$24.3M
Q3 24
$13.1M
$24.7M
Q2 24
$17.1M
$-5.0M
Free Cash Flow
CLB
CLB
FSTR
FSTR
Q1 26
$517.0K
Q4 25
$5.0M
$19.8M
Q3 25
$6.5M
$26.4M
Q2 25
$10.4M
$7.7M
Q1 25
$3.9M
$-28.7M
Q4 24
$17.4M
$22.3M
Q3 24
$10.4M
$21.7M
Q2 24
$14.3M
$-7.0M
FCF Margin
CLB
CLB
FSTR
FSTR
Q1 26
0.4%
Q4 25
3.6%
12.3%
Q3 25
4.8%
19.1%
Q2 25
8.0%
5.4%
Q1 25
3.1%
-29.4%
Q4 24
13.4%
17.4%
Q3 24
7.7%
15.8%
Q2 24
10.9%
-5.0%
Capex Intensity
CLB
CLB
FSTR
FSTR
Q1 26
Q4 25
2.1%
1.5%
Q3 25
1.5%
2.0%
Q2 25
2.7%
1.9%
Q1 25
2.3%
2.6%
Q4 24
2.5%
1.5%
Q3 24
2.0%
2.2%
Q2 24
2.2%
1.5%
Cash Conversion
CLB
CLB
FSTR
FSTR
Q1 26
0.77×
Q4 25
1.61×
9.18×
Q3 25
0.60×
6.70×
Q2 25
1.31×
3.61×
Q1 25
Q4 24
2.78×
Q3 24
1.12×
0.69×
Q2 24
1.90×
-1.74×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLB
CLB

Segment breakdown not available.

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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