vs

Side-by-side financial comparison of BLACK HILLS CORP (BKH) and DONALDSON Co INC (DCI). Click either name above to swap in a different company.

DONALDSON Co INC is the larger business by last-quarter revenue ($935.4M vs $622.7M, roughly 1.5× BLACK HILLS CORP). BLACK HILLS CORP runs the higher net margin — 16.8% vs 12.2%, a 4.7% gap on every dollar of revenue. On growth, BLACK HILLS CORP posted the faster year-over-year revenue change (6.4% vs 3.9%). DONALDSON Co INC produced more free cash flow last quarter ($111.2M vs $-101.5M). Over the past eight quarters, DONALDSON Co INC's revenue compounded faster (3.3% CAGR vs -6.8%).

Black Hills Corporation is an American diversified energy company that is an electric and gas utility in South Dakota, Montana, Wyoming, Colorado, Arkansas, Kansas, Nebraska, and Iowa. The company sells power throughout the American West. The company is based in Rapid City, South Dakota. It derives its name from its home in the Black Hills of South Dakota.

Donaldson Company, Inc. is a filtration company engaged in the production and marketing of filtration products used in a variety of industry sectors, including commercial/industrial, aerospace, chemical, alternative energy (windmills), food & beverage, and pharmaceuticals. Also the company's research division, located in Minneapolis, Minn., participated in defense-related projects for various military applications.

BKH vs DCI — Head-to-Head

Bigger by revenue
DCI
DCI
1.5× larger
DCI
$935.4M
$622.7M
BKH
Growing faster (revenue YoY)
BKH
BKH
+2.5% gap
BKH
6.4%
3.9%
DCI
Higher net margin
BKH
BKH
4.7% more per $
BKH
16.8%
12.2%
DCI
More free cash flow
DCI
DCI
$212.7M more FCF
DCI
$111.2M
$-101.5M
BKH
Faster 2-yr revenue CAGR
DCI
DCI
Annualised
DCI
3.3%
-6.8%
BKH

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BKH
BKH
DCI
DCI
Revenue
$622.7M
$935.4M
Net Profit
$104.9M
$113.9M
Gross Margin
35.2%
Operating Margin
27.5%
16.0%
Net Margin
16.8%
12.2%
Revenue YoY
6.4%
3.9%
Net Profit YoY
7.0%
15.1%
EPS (diluted)
$1.39
$0.97

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
BKH
BKH
DCI
DCI
Q4 25
$622.7M
$935.4M
Q3 25
$427.4M
$980.7M
Q2 25
$435.7M
$940.1M
Q1 25
$800.4M
$870.0M
Q4 24
$585.1M
$900.1M
Q3 24
$398.6M
$935.4M
Q2 24
$397.1M
$927.9M
Q1 24
$717.2M
$876.7M
Net Profit
BKH
BKH
DCI
DCI
Q4 25
$104.9M
$113.9M
Q3 25
$24.9M
$114.3M
Q2 25
$27.5M
$57.8M
Q1 25
$134.3M
$95.9M
Q4 24
$98.0M
$99.0M
Q3 24
$24.4M
$109.7M
Q2 24
$22.8M
$113.5M
Q1 24
$127.9M
$98.7M
Gross Margin
BKH
BKH
DCI
DCI
Q4 25
35.2%
Q3 25
34.5%
Q2 25
34.2%
Q1 25
35.2%
Q4 24
35.5%
Q3 24
35.8%
Q2 24
35.6%
Q1 24
35.2%
Operating Margin
BKH
BKH
DCI
DCI
Q4 25
27.5%
16.0%
Q3 25
18.4%
15.5%
Q2 25
18.9%
9.3%
Q1 25
25.6%
14.4%
Q4 24
27.9%
14.5%
Q3 24
19.0%
15.6%
Q2 24
17.8%
15.5%
Q1 24
27.0%
14.8%
Net Margin
BKH
BKH
DCI
DCI
Q4 25
16.8%
12.2%
Q3 25
5.8%
11.7%
Q2 25
6.3%
6.1%
Q1 25
16.8%
11.0%
Q4 24
16.7%
11.0%
Q3 24
6.1%
11.7%
Q2 24
5.7%
12.2%
Q1 24
17.8%
11.3%
EPS (diluted)
BKH
BKH
DCI
DCI
Q4 25
$1.39
$0.97
Q3 25
$0.34
$0.97
Q2 25
$0.38
$0.48
Q1 25
$1.87
$0.79
Q4 24
$1.36
$0.81
Q3 24
$0.35
$0.90
Q2 24
$0.33
$0.92
Q1 24
$1.87
$0.81

Balance Sheet & Financial Strength

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

Metric
BKH
BKH
DCI
DCI
Cash + ST InvestmentsLiquidity on hand
$182.8M
$210.7M
Total DebtLower is stronger
$671.5M
Stockholders' EquityBook value
$3.8B
$1.5B
Total Assets
$10.9B
$3.0B
Debt / EquityLower = less leverage
0.44×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BKH
BKH
DCI
DCI
Q4 25
$182.8M
$210.7M
Q3 25
$21.1M
$180.4M
Q2 25
$8.1M
$178.5M
Q1 25
$6.6M
$189.1M
Q4 24
$16.1M
$221.2M
Q3 24
$12.5M
$232.7M
Q2 24
$624.8M
$223.7M
Q1 24
$123.0M
$193.8M
Total Debt
BKH
BKH
DCI
DCI
Q4 25
$671.5M
Q3 25
$630.4M
Q2 25
$638.8M
Q1 25
$514.7M
Q4 24
$538.6M
Q3 24
$483.4M
Q2 24
$481.8M
Q1 24
$352.0M
Stockholders' Equity
BKH
BKH
DCI
DCI
Q4 25
$3.8B
$1.5B
Q3 25
$3.8B
$1.5B
Q2 25
$3.6B
$1.5B
Q1 25
$3.6B
$1.5B
Q4 24
$3.5B
$1.5B
Q3 24
$3.4B
$1.5B
Q2 24
$3.4B
$1.5B
Q1 24
$3.3B
$1.4B
Total Assets
BKH
BKH
DCI
DCI
Q4 25
$10.9B
$3.0B
Q3 25
$10.3B
$3.0B
Q2 25
$10.1B
$3.0B
Q1 25
$10.1B
$3.0B
Q4 24
$10.0B
$3.0B
Q3 24
$9.7B
$2.9B
Q2 24
$10.2B
$2.9B
Q1 24
$9.7B
$2.8B
Debt / Equity
BKH
BKH
DCI
DCI
Q4 25
0.44×
Q3 25
0.43×
Q2 25
0.44×
Q1 25
0.33×
Q4 24
0.35×
Q3 24
0.32×
Q2 24
0.32×
Q1 24
0.26×

Cash Flow & Capital Efficiency

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

Metric
BKH
BKH
DCI
DCI
Operating Cash FlowLast quarter
$168.1M
$125.4M
Free Cash FlowOCF − Capex
$-101.5M
$111.2M
FCF MarginFCF / Revenue
-16.3%
11.9%
Capex IntensityCapex / Revenue
43.3%
1.5%
Cash ConversionOCF / Net Profit
1.60×
1.10×
TTM Free Cash FlowTrailing 4 quarters
$-146.4M
$403.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BKH
BKH
DCI
DCI
Q4 25
$168.1M
$125.4M
Q3 25
$88.9M
$167.8M
Q2 25
$188.6M
$87.7M
Q1 25
$227.8M
$90.4M
Q4 24
$153.2M
$72.9M
Q3 24
$102.1M
$126.0M
Q2 24
$230.6M
$141.5M
Q1 24
$233.4M
$87.0M
Free Cash Flow
BKH
BKH
DCI
DCI
Q4 25
$-101.5M
$111.2M
Q3 25
$-89.5M
$147.5M
Q2 25
$-30.3M
$73.0M
Q1 25
$74.9M
$71.5M
Q4 24
$-60.5M
$47.9M
Q3 24
$-86.0M
$106.2M
Q2 24
$64.4M
$120.2M
Q1 24
$57.2M
$65.7M
FCF Margin
BKH
BKH
DCI
DCI
Q4 25
-16.3%
11.9%
Q3 25
-20.9%
15.0%
Q2 25
-7.0%
7.8%
Q1 25
9.4%
8.2%
Q4 24
-10.3%
5.3%
Q3 24
-21.6%
11.4%
Q2 24
16.2%
13.0%
Q1 24
8.0%
7.5%
Capex Intensity
BKH
BKH
DCI
DCI
Q4 25
43.3%
1.5%
Q3 25
41.7%
2.1%
Q2 25
50.2%
1.6%
Q1 25
19.1%
2.2%
Q4 24
36.5%
2.8%
Q3 24
47.2%
2.1%
Q2 24
41.9%
2.3%
Q1 24
24.6%
2.4%
Cash Conversion
BKH
BKH
DCI
DCI
Q4 25
1.60×
1.10×
Q3 25
3.57×
1.47×
Q2 25
6.86×
1.52×
Q1 25
1.70×
0.94×
Q4 24
1.56×
0.74×
Q3 24
4.18×
1.15×
Q2 24
10.11×
1.25×
Q1 24
1.82×
0.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BKH
BKH

Gas Utilities$391.1M63%
Retail Electric Natural Gasand Coal$189.7M30%
Other$15.3M2%
Market Off System Sales$13.6M2%
Transferred At Point In Time$8.9M1%
Wholesale$4.9M1%
Inter Segment Revenues$2.4M0%

DCI
DCI

Aftermarket Products$447.1M48%
Industrial Filtration Solutions Products$222.6M24%
Off Road Products$86.5M9%
Life Sciences Segment$80.0M9%
Other$39.1M4%
Aerospace And Defense Products$37.1M4%
On Road Products$23.0M2%

Related Comparisons