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Side-by-side financial comparison of Castellum, Inc. (CTM) and NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC). Click either name above to swap in a different company.

NORTHERN TECHNOLOGIES INTERNATIONAL CORP is the larger business by last-quarter revenue ($23.3M vs $12.6M, roughly 1.9× Castellum, Inc.). NORTHERN TECHNOLOGIES INTERNATIONAL CORP runs the higher net margin — 1.0% vs -10.5%, a 11.5% gap on every dollar of revenue. On growth, Castellum, Inc. posted the faster year-over-year revenue change (21.9% vs 9.2%). Over the past eight quarters, NORTHERN TECHNOLOGIES INTERNATIONAL CORP's revenue compounded faster (5.8% CAGR vs 5.3%).

Castellum, Inc. is a U.S.-based cybersecurity and information technology services provider. It caters to government defense agencies, public sector entities, and commercial enterprise clients, offering threat detection, data protection, cloud security, and managed IT solutions to help organizations mitigate cyber risks and safeguard critical digital infrastructure.

Maxar Technologies Inc., was an American space technology company, specializing in geospatial intelligence, Earth observation, and on-orbit satellite servicing, satellite products, and related services. DigitalGlobe and MDA Holdings Company merged to become Maxar Technologies on October 5, 2017.

CTM vs NTIC — Head-to-Head

Bigger by revenue
NTIC
NTIC
1.9× larger
NTIC
$23.3M
$12.6M
CTM
Growing faster (revenue YoY)
CTM
CTM
+12.7% gap
CTM
21.9%
9.2%
NTIC
Higher net margin
NTIC
NTIC
11.5% more per $
NTIC
1.0%
-10.5%
CTM
Faster 2-yr revenue CAGR
NTIC
NTIC
Annualised
NTIC
5.8%
5.3%
CTM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CTM
CTM
NTIC
NTIC
Revenue
$12.6M
$23.3M
Net Profit
$-1.3M
$237.8K
Gross Margin
33.9%
36.0%
Operating Margin
-11.1%
4.0%
Net Margin
-10.5%
1.0%
Revenue YoY
21.9%
9.2%
Net Profit YoY
51.8%
-57.6%
EPS (diluted)
$-0.02
$0.03

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
CTM
CTM
NTIC
NTIC
Q4 25
$12.6M
$23.3M
Q3 25
$14.6M
$22.3M
Q2 25
$14.0M
$21.5M
Q1 25
$11.7M
$19.1M
Q4 24
$10.3M
$21.3M
Q3 24
$11.6M
$23.3M
Q2 24
$11.5M
$20.7M
Q1 24
$11.3M
$20.8M
Net Profit
CTM
CTM
NTIC
NTIC
Q4 25
$-1.3M
$237.8K
Q3 25
$415.4K
$-1.1M
Q2 25
$-322.1K
$121.8K
Q1 25
$-1.2M
$434.3K
Q4 24
$-2.7M
$561.1K
Q3 24
$-1.3M
$1.8M
Q2 24
$-1.8M
$976.6K
Q1 24
$-4.1M
$1.7M
Gross Margin
CTM
CTM
NTIC
NTIC
Q4 25
33.9%
36.0%
Q3 25
37.6%
37.9%
Q2 25
36.1%
38.4%
Q1 25
39.0%
35.6%
Q4 24
40.0%
38.3%
Q3 24
42.7%
43.8%
Q2 24
40.6%
38.2%
Q1 24
39.8%
40.0%
Operating Margin
CTM
CTM
NTIC
NTIC
Q4 25
-11.1%
4.0%
Q3 25
3.0%
4.2%
Q2 25
-2.7%
4.0%
Q1 25
-12.7%
-1.7%
Q4 24
-15.7%
5.2%
Q3 24
-11.9%
11.8%
Q2 24
-13.6%
7.4%
Q1 24
-23.6%
10.6%
Net Margin
CTM
CTM
NTIC
NTIC
Q4 25
-10.5%
1.0%
Q3 25
2.8%
-4.9%
Q2 25
-2.3%
0.6%
Q1 25
-10.0%
2.3%
Q4 24
-26.6%
2.6%
Q3 24
-11.0%
7.9%
Q2 24
-16.0%
4.7%
Q1 24
-36.3%
8.2%
EPS (diluted)
CTM
CTM
NTIC
NTIC
Q4 25
$-0.02
$0.03
Q3 25
$0.00
$-0.11
Q2 25
$0.00
$0.01
Q1 25
$-0.01
$0.04
Q4 24
$-0.05
$0.06
Q3 24
$-0.02
$0.19
Q2 24
$-0.03
$0.10
Q1 24
$-0.08
$0.17

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
NTIC
NTIC
Cash + ST InvestmentsLiquidity on hand
$6.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$35.8M
$72.4M
Total Assets
$41.9M
$104.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTM
CTM
NTIC
NTIC
Q4 25
$6.4M
Q3 25
$7.3M
Q2 25
$6.8M
Q1 25
$5.1M
Q4 24
$5.6M
Q3 24
$5.0M
Q2 24
$5.8M
Q1 24
$4.8M
Total Debt
CTM
CTM
NTIC
NTIC
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$8.0M
Q3 24
$8.3M
Q2 24
$8.7M
Q1 24
$9.0M
Stockholders' Equity
CTM
CTM
NTIC
NTIC
Q4 25
$35.8M
$72.4M
Q3 25
$36.7M
$72.1M
Q2 25
$31.8M
$72.4M
Q1 25
$26.1M
$69.7M
Q4 24
$20.2M
$70.2M
Q3 24
$12.0M
$71.2M
Q2 24
$12.1M
$68.9M
Q1 24
$12.8M
$68.4M
Total Assets
CTM
CTM
NTIC
NTIC
Q4 25
$41.9M
$104.0M
Q3 25
$46.3M
$102.7M
Q2 25
$43.4M
$99.3M
Q1 25
$41.1M
$93.7M
Q4 24
$37.8M
$94.0M
Q3 24
$28.8M
$94.7M
Q2 24
$29.5M
$89.3M
Q1 24
$30.5M
$87.3M
Debt / Equity
CTM
CTM
NTIC
NTIC
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.40×
Q3 24
0.69×
Q2 24
0.72×
Q1 24
0.70×

Cash Flow & Capital Efficiency

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

Metric
CTM
CTM
NTIC
NTIC
Operating Cash FlowLast quarter
$-661.7K
$341.9K
Free Cash FlowOCF − Capex
$-479.7K
FCF MarginFCF / Revenue
-2.1%
Capex IntensityCapex / Revenue
3.5%
Cash ConversionOCF / Net Profit
1.44×
TTM Free Cash FlowTrailing 4 quarters
$-1.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTM
CTM
NTIC
NTIC
Q4 25
$-661.7K
$341.9K
Q3 25
$1.0M
$-1.4M
Q2 25
$214.2K
$609.7K
Q1 25
$-2.5M
$803.7K
Q4 24
$-394.4K
$2.4M
Q3 24
$742.2K
Q2 24
$748.6K
$1.9M
Q1 24
$23.7K
Free Cash Flow
CTM
CTM
NTIC
NTIC
Q4 25
$-479.7K
Q3 25
$957.0K
$-1.4M
Q2 25
$-171.2K
Q1 25
$293.1K
Q4 24
$1.2M
Q3 24
$738.9K
Q2 24
$869.4K
Q1 24
FCF Margin
CTM
CTM
NTIC
NTIC
Q4 25
-2.1%
Q3 25
6.5%
-6.3%
Q2 25
-0.8%
Q1 25
1.5%
Q4 24
5.5%
Q3 24
6.4%
Q2 24
4.2%
Q1 24
Capex Intensity
CTM
CTM
NTIC
NTIC
Q4 25
3.5%
Q3 25
0.3%
0.2%
Q2 25
3.6%
Q1 25
2.7%
Q4 24
0.0%
5.7%
Q3 24
0.0%
Q2 24
0.0%
5.2%
Q1 24
0.0%
Cash Conversion
CTM
CTM
NTIC
NTIC
Q4 25
1.44×
Q3 25
2.41×
Q2 25
5.01×
Q1 25
1.85×
Q4 24
4.27×
Q3 24
Q2 24
1.99×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CTM
CTM

Segment breakdown not available.

NTIC
NTIC

Inside The USA To Unaffiliated Customers$7.5M32%
Natur Tec$6.0M26%
Acobal$3.6M15%
Other$2.7M12%
BR$2.1M9%
Zerust OY$1.4M6%

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