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Side-by-side financial comparison of FOSTER L B CO (FSTR) and iQSTEL Inc (IQST). 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 $84.2M, roughly 1.9× iQSTEL Inc). FOSTER L B CO runs the higher net margin — 1.5% vs -3.2%, a 4.7% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs -14.9%). FOSTER L B CO produced more free cash flow last quarter ($19.8M vs $-1.2M). Over the past eight quarters, iQSTEL Inc's revenue compounded faster (28.0% 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.

iQSTEL Inc is a technology holding company operating three core segments: telecommunications, Internet of Things (IoT), and fintech. It offers connectivity services, smart IoT monitoring solutions, and digital financial tools, mainly serving small and medium-sized enterprises and retail customers in North and South American markets.

FSTR vs IQST — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.9× larger
FSTR
$160.4M
$84.2M
IQST
Growing faster (revenue YoY)
FSTR
FSTR
+40.0% gap
FSTR
25.1%
-14.9%
IQST
Higher net margin
FSTR
FSTR
4.7% more per $
FSTR
1.5%
-3.2%
IQST
More free cash flow
FSTR
FSTR
$21.0M more FCF
FSTR
$19.8M
$-1.2M
IQST
Faster 2-yr revenue CAGR
IQST
IQST
Annualised
IQST
28.0%
13.6%
FSTR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSTR
FSTR
IQST
IQST
Revenue
$160.4M
$84.2M
Net Profit
$2.4M
$-2.7M
Gross Margin
19.7%
3.5%
Operating Margin
4.9%
-2.9%
Net Margin
1.5%
-3.2%
Revenue YoY
25.1%
-14.9%
Net Profit YoY
1098.3%
-44.5%
EPS (diluted)
$0.22
$-0.92

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
IQST
IQST
Q4 25
$160.4M
$84.2M
Q3 25
$138.3M
$102.9M
Q2 25
$143.6M
$72.2M
Q1 25
$97.8M
$57.6M
Q4 24
$128.2M
$98.9M
Q3 24
$137.5M
$54.2M
Q2 24
$140.8M
$78.6M
Q1 24
$124.3M
$51.4M
Net Profit
FSTR
FSTR
IQST
IQST
Q4 25
$2.4M
$-2.7M
Q3 25
$4.4M
$-2.3M
Q2 25
$2.9M
$-2.3M
Q1 25
$-2.1M
$-1.1M
Q4 24
$-242.0K
$-1.9M
Q3 24
$35.9M
$-773.0K
Q2 24
$2.8M
$-2.0M
Q1 24
$4.4M
$-580.2K
Gross Margin
FSTR
FSTR
IQST
IQST
Q4 25
19.7%
3.5%
Q3 25
22.5%
2.7%
Q2 25
21.5%
2.6%
Q1 25
20.6%
3.4%
Q4 24
22.3%
2.7%
Q3 24
23.8%
3.7%
Q2 24
21.7%
2.8%
Q1 24
21.1%
2.7%
Operating Margin
FSTR
FSTR
IQST
IQST
Q4 25
4.9%
-2.9%
Q3 25
6.0%
-0.5%
Q2 25
5.3%
-0.9%
Q1 25
-2.0%
-1.0%
Q4 24
2.4%
-0.3%
Q3 24
5.3%
-0.1%
Q2 24
3.2%
-0.4%
Q1 24
4.5%
-0.4%
Net Margin
FSTR
FSTR
IQST
IQST
Q4 25
1.5%
-3.2%
Q3 25
3.1%
-2.3%
Q2 25
2.0%
-3.3%
Q1 25
-2.2%
-2.0%
Q4 24
-0.2%
-1.9%
Q3 24
26.1%
-1.4%
Q2 24
2.0%
-2.5%
Q1 24
3.6%
-1.1%
EPS (diluted)
FSTR
FSTR
IQST
IQST
Q4 25
$0.22
$-0.92
Q3 25
$0.40
$-0.68
Q2 25
$0.27
$-0.82
Q1 25
$-0.20
$-0.44
Q4 24
$-0.04
$-1.19
Q3 24
$3.27
$-0.40
Q2 24
$0.26
$-0.90
Q1 24
$0.40
$-0.37

Balance Sheet & Financial Strength

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

Metric
FSTR
FSTR
IQST
IQST
Cash + ST InvestmentsLiquidity on hand
$4.3M
$2.2M
Total DebtLower is stronger
$42.6M
$4.1M
Stockholders' EquityBook value
$175.3M
$16.3M
Total Assets
$330.4M
$51.1M
Debt / EquityLower = less leverage
0.24×
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSTR
FSTR
IQST
IQST
Q4 25
$4.3M
$2.2M
Q3 25
$3.4M
$2.3M
Q2 25
$4.2M
$2.0M
Q1 25
$2.6M
$1.1M
Q4 24
$2.5M
$2.5M
Q3 24
$3.1M
$2.1M
Q2 24
$4.0M
$797.2K
Q1 24
$3.1M
$2.7M
Total Debt
FSTR
FSTR
IQST
IQST
Q4 25
$42.6M
$4.1M
Q3 25
$58.6M
$2.7M
Q2 25
$81.4M
$4.5M
Q1 25
$82.3M
$3.5M
Q4 24
$46.8M
$2.5M
Q3 24
$68.4M
$3.2M
Q2 24
$87.0M
$2.5M
Q1 24
$77.9M
$194.0K
Stockholders' Equity
FSTR
FSTR
IQST
IQST
Q4 25
$175.3M
$16.3M
Q3 25
$174.8M
$17.9M
Q2 25
$174.4M
$14.3M
Q1 25
$170.8M
$11.6M
Q4 24
$178.3M
$11.9M
Q3 24
$181.9M
$8.1M
Q2 24
$147.1M
$7.6M
Q1 24
$144.6M
$8.4M
Total Assets
FSTR
FSTR
IQST
IQST
Q4 25
$330.4M
$51.1M
Q3 25
$333.9M
$46.9M
Q2 25
$349.9M
$51.4M
Q1 25
$342.8M
$42.0M
Q4 24
$334.6M
$79.0M
Q3 24
$344.5M
$32.4M
Q2 24
$333.3M
$30.0M
Q1 24
$326.4M
$22.1M
Debt / Equity
FSTR
FSTR
IQST
IQST
Q4 25
0.24×
0.25×
Q3 25
0.33×
0.15×
Q2 25
0.47×
0.31×
Q1 25
0.48×
0.31×
Q4 24
0.26×
0.21×
Q3 24
0.38×
0.40×
Q2 24
0.59×
0.34×
Q1 24
0.54×
0.02×

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
IQST
IQST
Operating Cash FlowLast quarter
$22.2M
$-1.2M
Free Cash FlowOCF − Capex
$19.8M
$-1.2M
FCF MarginFCF / Revenue
12.3%
-1.5%
Capex IntensityCapex / Revenue
1.5%
0.0%
Cash ConversionOCF / Net Profit
9.18×
TTM Free Cash FlowTrailing 4 quarters
$25.2M
$-4.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSTR
FSTR
IQST
IQST
Q4 25
$22.2M
$-1.2M
Q3 25
$29.2M
$-953.0K
Q2 25
$10.4M
$257.7K
Q1 25
$-26.1M
$-1.9M
Q4 24
$24.3M
$-403.7K
Q3 24
$24.7M
$625.0K
Q2 24
$-5.0M
$-2.6M
Q1 24
$-21.4M
$-536.9K
Free Cash Flow
FSTR
FSTR
IQST
IQST
Q4 25
$19.8M
$-1.2M
Q3 25
$26.4M
$-969.2K
Q2 25
$7.7M
$211.7K
Q1 25
$-28.7M
$-2.0M
Q4 24
$22.3M
$-421.3K
Q3 24
$21.7M
$594.5K
Q2 24
$-7.0M
$-2.6M
Q1 24
$-24.2M
$-608.5K
FCF Margin
FSTR
FSTR
IQST
IQST
Q4 25
12.3%
-1.5%
Q3 25
19.1%
-0.9%
Q2 25
5.4%
0.3%
Q1 25
-29.4%
-3.4%
Q4 24
17.4%
-0.4%
Q3 24
15.8%
1.1%
Q2 24
-5.0%
-3.4%
Q1 24
-19.4%
-1.2%
Capex Intensity
FSTR
FSTR
IQST
IQST
Q4 25
1.5%
0.0%
Q3 25
2.0%
0.0%
Q2 25
1.9%
0.1%
Q1 25
2.6%
0.1%
Q4 24
1.5%
0.0%
Q3 24
2.2%
0.1%
Q2 24
1.5%
0.0%
Q1 24
2.2%
0.1%
Cash Conversion
FSTR
FSTR
IQST
IQST
Q4 25
9.18×
Q3 25
6.70×
Q2 25
3.61×
Q1 25
Q4 24
Q3 24
0.69×
Q2 24
-1.74×
Q1 24
-4.83×

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%

IQST
IQST

USA$53.2M63%
Other$29.9M35%
Switzerland$1.1M1%

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