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Side-by-side financial comparison of NATIONAL PRESTO INDUSTRIES INC (NPK) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

NATIONAL PRESTO INDUSTRIES INC is the larger business by last-quarter revenue ($164.0M vs $162.6M, roughly 1.0× Ribbon Communications Inc.). On growth, NATIONAL PRESTO INDUSTRIES INC posted the faster year-over-year revenue change (21.7% vs -10.3%). Over the past eight quarters, NATIONAL PRESTO INDUSTRIES INC's revenue compounded faster (46.3% CAGR vs -8.1%).

National Presto Industries is a company founded in 1905 in Eau Claire, Wisconsin. Originally called "Northwestern Steel and Iron Works" the company changed its name to the "National Pressure Cooker Company" in 1929 and then National Presto Industries, Inc. 1953. The company originally produced pressure canners for commercial, and later home, use. Beginning in 1939, the company introduced small home-use cooking appliances. The company was admitted to the New York Stock Exchange on March 3, 1969.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

NPK vs RBBN — Head-to-Head

Bigger by revenue
NPK
NPK
1.0× larger
NPK
$164.0M
$162.6M
RBBN
Growing faster (revenue YoY)
NPK
NPK
+32.0% gap
NPK
21.7%
-10.3%
RBBN
Faster 2-yr revenue CAGR
NPK
NPK
Annualised
NPK
46.3%
-8.1%
RBBN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
NPK
NPK
RBBN
RBBN
Revenue
$164.0M
$162.6M
Net Profit
$89.1M
Gross Margin
16.9%
42.9%
Operating Margin
11.4%
37.6%
Net Margin
54.8%
Revenue YoY
21.7%
-10.3%
Net Profit YoY
EPS (diluted)
$0.50

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
NPK
NPK
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$164.0M
$227.3M
Q3 25
$115.5M
$215.4M
Q2 25
$120.4M
$220.6M
Q1 25
$103.6M
$181.3M
Q4 24
$134.7M
$251.4M
Q3 24
$91.8M
$210.2M
Q2 24
$85.1M
$192.6M
Net Profit
NPK
NPK
RBBN
RBBN
Q1 26
$89.1M
Q4 25
Q3 25
$5.3M
$-12.1M
Q2 25
$5.2M
$-11.1M
Q1 25
$7.6M
$-26.2M
Q4 24
Q3 24
$8.1M
$-13.4M
Q2 24
$6.1M
$-16.8M
Gross Margin
NPK
NPK
RBBN
RBBN
Q1 26
42.9%
Q4 25
16.9%
53.3%
Q3 25
13.9%
50.1%
Q2 25
15.4%
49.6%
Q1 25
17.5%
45.4%
Q4 24
24.3%
55.7%
Q3 24
18.8%
52.1%
Q2 24
17.3%
50.8%
Operating Margin
NPK
NPK
RBBN
RBBN
Q1 26
37.6%
Q4 25
11.4%
4.1%
Q3 25
5.6%
1.3%
Q2 25
5.1%
1.9%
Q1 25
8.8%
-10.8%
Q4 24
17.3%
13.2%
Q3 24
10.0%
-0.4%
Q2 24
7.5%
-1.0%
Net Margin
NPK
NPK
RBBN
RBBN
Q1 26
54.8%
Q4 25
Q3 25
4.6%
-5.6%
Q2 25
4.3%
-5.0%
Q1 25
7.3%
-14.5%
Q4 24
Q3 24
8.8%
-6.4%
Q2 24
7.1%
-8.7%
EPS (diluted)
NPK
NPK
RBBN
RBBN
Q1 26
$0.50
Q4 25
$0.50
Q3 25
$-0.07
Q2 25
$-0.06
Q1 25
$-0.15
Q4 24
$0.05
Q3 24
$-0.08
Q2 24
$-0.10

Balance Sheet & Financial Strength

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

Metric
NPK
NPK
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$3.8M
$67.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$395.1M
$419.1M
Total Assets
$500.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NPK
NPK
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$3.8M
$96.4M
Q3 25
$4.6M
$74.8M
Q2 25
$4.8M
$60.5M
Q1 25
$5.5M
$71.2M
Q4 24
$22.7M
$87.8M
Q3 24
$33.2M
$37.2M
Q2 24
$53.4M
$64.6M
Total Debt
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
$342.1M
Q3 25
$344.3M
Q2 25
$346.5M
Q1 25
$347.4M
Q4 24
$348.3M
Q3 24
$349.1M
Q2 24
$350.0M
Stockholders' Equity
NPK
NPK
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$395.1M
$449.0M
Q3 25
$379.8M
$360.1M
Q2 25
$374.1M
$370.4M
Q1 25
$368.6M
$381.8M
Q4 24
$367.6M
$404.6M
Q3 24
$346.6M
$395.5M
Q2 24
$338.1M
$405.0M
Total Assets
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
$500.7M
$1.2B
Q3 25
$503.8M
$1.1B
Q2 25
$471.9M
$1.1B
Q1 25
$455.3M
$1.1B
Q4 24
$453.4M
$1.2B
Q3 24
$428.9M
$1.1B
Q2 24
$418.1M
$1.1B
Debt / Equity
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
0.76×
Q3 25
0.96×
Q2 25
0.94×
Q1 25
0.91×
Q4 24
0.86×
Q3 24
0.88×
Q2 24
0.86×

Cash Flow & Capital Efficiency

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

Metric
NPK
NPK
RBBN
RBBN
Operating Cash FlowLast quarter
$13.9M
Free Cash FlowOCF − Capex
$12.4M
FCF MarginFCF / Revenue
7.6%
Capex IntensityCapex / Revenue
0.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-36.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
$13.9M
$29.2M
Q3 25
$-24.6M
$26.5M
Q2 25
$-10.9M
$-795.0K
Q1 25
$12.5M
$-3.5M
Q4 24
$-7.6M
$61.8M
Q3 24
$-17.5M
$-14.8M
Q2 24
$-33.9M
$-9.8M
Free Cash Flow
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
$12.4M
$27.3M
Q3 25
$-24.7M
$21.0M
Q2 25
$-13.4M
$-6.5M
Q1 25
$-10.5M
$-15.7M
Q4 24
$-11.3M
$53.8M
Q3 24
$-20.3M
$-23.7M
Q2 24
$-34.5M
$-12.9M
FCF Margin
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
7.6%
12.0%
Q3 25
-21.4%
9.7%
Q2 25
-11.1%
-2.9%
Q1 25
-10.2%
-8.7%
Q4 24
-8.4%
21.4%
Q3 24
-22.1%
-11.3%
Q2 24
-40.6%
-6.7%
Capex Intensity
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
0.9%
0.9%
Q3 25
0.1%
2.6%
Q2 25
2.0%
2.6%
Q1 25
22.2%
6.7%
Q4 24
2.7%
3.2%
Q3 24
3.1%
4.2%
Q2 24
0.8%
1.6%
Cash Conversion
NPK
NPK
RBBN
RBBN
Q1 26
Q4 25
Q3 25
-4.63×
Q2 25
-2.12×
Q1 25
1.64×
Q4 24
Q3 24
-2.16×
Q2 24
-5.58×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NPK
NPK

Segment breakdown not available.

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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