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Side-by-side financial comparison of NATIONAL PRESTO INDUSTRIES INC (NPK) and Otter Tail Corp (OTTR). Click either name above to swap in a different company.

Otter Tail Corp is the larger business by last-quarter revenue ($308.1M vs $164.0M, roughly 1.9× NATIONAL PRESTO INDUSTRIES INC). On growth, NATIONAL PRESTO INDUSTRIES INC posted the faster year-over-year revenue change (21.7% vs 1.6%). Otter Tail Corp produced more free cash flow last quarter ($22.3M vs $12.4M). Over the past eight quarters, NATIONAL PRESTO INDUSTRIES INC's revenue compounded faster (46.3% CAGR vs -5.8%).

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.

Otter Tail Corporation is an electric power and manufacturing company based in Fergus Falls, Minnesota. Its subsidiaries include Otter Tail Power Company, BTD Manufacturing Inc., T.O. Plastics Inc., Northern Pipe Products Inc., and Vinyltech Corporation.

NPK vs OTTR — Head-to-Head

Bigger by revenue
OTTR
OTTR
1.9× larger
OTTR
$308.1M
$164.0M
NPK
Growing faster (revenue YoY)
NPK
NPK
+20.1% gap
NPK
21.7%
1.6%
OTTR
More free cash flow
OTTR
OTTR
$9.9M more FCF
OTTR
$22.3M
$12.4M
NPK
Faster 2-yr revenue CAGR
NPK
NPK
Annualised
NPK
46.3%
-5.8%
OTTR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NPK
NPK
OTTR
OTTR
Revenue
$164.0M
$308.1M
Net Profit
$51.8M
Gross Margin
16.9%
Operating Margin
11.4%
21.9%
Net Margin
16.8%
Revenue YoY
21.7%
1.6%
Net Profit YoY
-5.6%
EPS (diluted)
$1.22

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
NPK
NPK
OTTR
OTTR
Q4 25
$164.0M
$308.1M
Q3 25
$115.5M
$325.6M
Q2 25
$120.4M
$333.0M
Q1 25
$103.6M
$337.4M
Q4 24
$134.7M
$303.1M
Q3 24
$91.8M
$338.0M
Q2 24
$85.1M
$342.3M
Q1 24
$76.7M
$347.1M
Net Profit
NPK
NPK
OTTR
OTTR
Q4 25
$51.8M
Q3 25
$5.3M
$78.3M
Q2 25
$5.2M
$77.7M
Q1 25
$7.6M
$68.1M
Q4 24
$54.9M
Q3 24
$8.1M
$85.5M
Q2 24
$6.1M
$87.0M
Q1 24
$6.6M
$74.3M
Gross Margin
NPK
NPK
OTTR
OTTR
Q4 25
16.9%
Q3 25
13.9%
Q2 25
15.4%
Q1 25
17.5%
Q4 24
24.3%
Q3 24
18.8%
Q2 24
17.3%
Q1 24
18.1%
Operating Margin
NPK
NPK
OTTR
OTTR
Q4 25
11.4%
21.9%
Q3 25
5.6%
29.7%
Q2 25
5.1%
29.3%
Q1 25
8.8%
24.9%
Q4 24
17.3%
22.0%
Q3 24
10.0%
31.8%
Q2 24
7.5%
32.4%
Q1 24
8.2%
27.4%
Net Margin
NPK
NPK
OTTR
OTTR
Q4 25
16.8%
Q3 25
4.6%
24.0%
Q2 25
4.3%
23.3%
Q1 25
7.3%
20.2%
Q4 24
18.1%
Q3 24
8.8%
25.3%
Q2 24
7.1%
25.4%
Q1 24
8.6%
21.4%
EPS (diluted)
NPK
NPK
OTTR
OTTR
Q4 25
$1.22
Q3 25
$1.86
Q2 25
$1.85
Q1 25
$1.62
Q4 24
$1.30
Q3 24
$2.03
Q2 24
$2.07
Q1 24
$1.77

Balance Sheet & Financial Strength

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

Metric
NPK
NPK
OTTR
OTTR
Cash + ST InvestmentsLiquidity on hand
$3.8M
$440.5M
Total DebtLower is stronger
$963.6M
Stockholders' EquityBook value
$395.1M
$1.9B
Total Assets
$500.7M
$4.0B
Debt / EquityLower = less leverage
0.52×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NPK
NPK
OTTR
OTTR
Q4 25
$3.8M
$440.5M
Q3 25
$4.6M
$379.7M
Q2 25
$4.8M
$307.2M
Q1 25
$5.5M
$284.8M
Q4 24
$22.7M
$295.4M
Q3 24
$33.2M
$280.0M
Q2 24
$53.4M
$230.7M
Q1 24
$87.9M
$238.2M
Total Debt
NPK
NPK
OTTR
OTTR
Q4 25
$963.6M
Q3 25
$1.0B
Q2 25
$1.0B
Q1 25
$993.5M
Q4 24
$943.7M
Q3 24
$947.0M
Q2 24
$947.0M
Q1 24
$947.0M
Stockholders' Equity
NPK
NPK
OTTR
OTTR
Q4 25
$395.1M
$1.9B
Q3 25
$379.8M
$1.8B
Q2 25
$374.1M
$1.8B
Q1 25
$368.6M
$1.7B
Q4 24
$367.6M
$1.7B
Q3 24
$346.6M
$1.6B
Q2 24
$338.1M
$1.6B
Q1 24
$331.6M
$1.5B
Total Assets
NPK
NPK
OTTR
OTTR
Q4 25
$500.7M
$4.0B
Q3 25
$503.8M
$3.8B
Q2 25
$471.9M
$3.8B
Q1 25
$455.3M
$3.7B
Q4 24
$453.4M
$3.7B
Q3 24
$428.9M
$3.6B
Q2 24
$418.1M
$3.5B
Q1 24
$417.5M
$3.3B
Debt / Equity
NPK
NPK
OTTR
OTTR
Q4 25
0.52×
Q3 25
0.57×
Q2 25
0.59×
Q1 25
0.58×
Q4 24
0.57×
Q3 24
0.58×
Q2 24
0.60×
Q1 24
0.63×

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
OTTR
OTTR
Operating Cash FlowLast quarter
$13.9M
$97.0M
Free Cash FlowOCF − Capex
$12.4M
$22.3M
FCF MarginFCF / Revenue
7.6%
7.2%
Capex IntensityCapex / Revenue
0.9%
24.3%
Cash ConversionOCF / Net Profit
1.87×
TTM Free Cash FlowTrailing 4 quarters
$-36.2M
$97.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NPK
NPK
OTTR
OTTR
Q4 25
$13.9M
$97.0M
Q3 25
$-24.6M
$129.6M
Q2 25
$-10.9M
$119.9M
Q1 25
$12.5M
$39.5M
Q4 24
$-7.6M
$130.0M
Q3 24
$-17.5M
$99.3M
Q2 24
$-33.9M
$151.5M
Q1 24
$5.6M
$71.9M
Free Cash Flow
NPK
NPK
OTTR
OTTR
Q4 25
$12.4M
$22.3M
Q3 25
$-24.7M
$40.5M
Q2 25
$-13.4M
$53.7M
Q1 25
$-10.5M
$-18.5M
Q4 24
$-11.3M
$31.1M
Q3 24
$-20.3M
$15.1M
Q2 24
$-34.5M
$50.1M
Q1 24
$5.2M
$-2.1M
FCF Margin
NPK
NPK
OTTR
OTTR
Q4 25
7.6%
7.2%
Q3 25
-21.4%
12.4%
Q2 25
-11.1%
16.1%
Q1 25
-10.2%
-5.5%
Q4 24
-8.4%
10.2%
Q3 24
-22.1%
4.5%
Q2 24
-40.6%
14.6%
Q1 24
6.7%
-0.6%
Capex Intensity
NPK
NPK
OTTR
OTTR
Q4 25
0.9%
24.3%
Q3 25
0.1%
27.4%
Q2 25
2.0%
19.9%
Q1 25
22.2%
17.2%
Q4 24
2.7%
32.6%
Q3 24
3.1%
24.9%
Q2 24
0.8%
29.6%
Q1 24
0.5%
21.3%
Cash Conversion
NPK
NPK
OTTR
OTTR
Q4 25
1.87×
Q3 25
-4.63×
1.65×
Q2 25
-2.12×
1.54×
Q1 25
1.64×
0.58×
Q4 24
2.37×
Q3 24
-2.16×
1.16×
Q2 24
-5.58×
1.74×
Q1 24
0.85×
0.97×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NPK
NPK

Segment breakdown not available.

OTTR
OTTR

Retail Commercial And Industrial$91.0M30%
Plastics$81.2M26%
Manufacturing$77.2M25%
Retail Residential$35.8M12%
Electric Transmission$14.4M5%
Plastic Products$9.2M3%
Electric Product Other$1.8M1%

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