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Side-by-side financial comparison of BLACK HILLS CORP (BKH) and Bristow Group Inc. (VTOL). Click either name above to swap in a different company.

BLACK HILLS CORP is the larger business by last-quarter revenue ($622.7M vs $377.3M, roughly 1.7× Bristow Group Inc.). BLACK HILLS CORP runs the higher net margin — 16.8% vs 4.9%, a 12.0% gap on every dollar of revenue. On growth, Bristow Group Inc. posted the faster year-over-year revenue change (6.7% vs 6.4%). Bristow Group Inc. produced more free cash flow last quarter ($47.8M vs $-101.5M). Over the past eight quarters, Bristow Group Inc.'s revenue compounded faster (5.8% 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.

Bristow Helicopters Limited is a British civil helicopter operator originally based at Aberdeen Airport, Scotland, which is currently a part of the U.S.-based Bristow Group which in turn has its corporate headquarters in Houston, Texas, U.S. In 2020, Bristow Group was merged with Era Helicopters, a large U.S.-based commercial helicopter operator that was previously a division of Era Aviation, with the two companies then continuing to use the Bristow name.

BKH vs VTOL — Head-to-Head

Bigger by revenue
BKH
BKH
1.7× larger
BKH
$622.7M
$377.3M
VTOL
Growing faster (revenue YoY)
VTOL
VTOL
+0.3% gap
VTOL
6.7%
6.4%
BKH
Higher net margin
BKH
BKH
12.0% more per $
BKH
16.8%
4.9%
VTOL
More free cash flow
VTOL
VTOL
$149.3M more FCF
VTOL
$47.8M
$-101.5M
BKH
Faster 2-yr revenue CAGR
VTOL
VTOL
Annualised
VTOL
5.8%
-6.8%
BKH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BKH
BKH
VTOL
VTOL
Revenue
$622.7M
$377.3M
Net Profit
$104.9M
$18.4M
Gross Margin
Operating Margin
27.5%
8.5%
Net Margin
16.8%
4.9%
Revenue YoY
6.4%
6.7%
Net Profit YoY
7.0%
-42.1%
EPS (diluted)
$1.39
$0.61

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
VTOL
VTOL
Q4 25
$622.7M
$377.3M
Q3 25
$427.4M
$386.3M
Q2 25
$435.7M
$376.4M
Q1 25
$800.4M
$350.5M
Q4 24
$585.1M
$353.5M
Q3 24
$398.6M
$365.1M
Q2 24
$397.1M
$359.7M
Q1 24
$717.2M
$337.1M
Net Profit
BKH
BKH
VTOL
VTOL
Q4 25
$104.9M
$18.4M
Q3 25
$24.9M
$51.5M
Q2 25
$27.5M
$31.7M
Q1 25
$134.3M
$27.4M
Q4 24
$98.0M
$31.8M
Q3 24
$24.4M
$28.2M
Q2 24
$22.8M
$28.2M
Q1 24
$127.9M
$6.6M
Operating Margin
BKH
BKH
VTOL
VTOL
Q4 25
27.5%
8.5%
Q3 25
18.4%
13.1%
Q2 25
18.9%
11.3%
Q1 25
25.6%
9.6%
Q4 24
27.9%
9.0%
Q3 24
19.0%
9.1%
Q2 24
17.8%
12.4%
Q1 24
27.0%
6.8%
Net Margin
BKH
BKH
VTOL
VTOL
Q4 25
16.8%
4.9%
Q3 25
5.8%
13.3%
Q2 25
6.3%
8.4%
Q1 25
16.8%
7.8%
Q4 24
16.7%
9.0%
Q3 24
6.1%
7.7%
Q2 24
5.7%
7.8%
Q1 24
17.8%
2.0%
EPS (diluted)
BKH
BKH
VTOL
VTOL
Q4 25
$1.39
$0.61
Q3 25
$0.34
$1.72
Q2 25
$0.38
$1.07
Q1 25
$1.87
$0.92
Q4 24
$1.36
$1.07
Q3 24
$0.35
$0.95
Q2 24
$0.33
$0.96
Q1 24
$1.87
$0.23

Balance Sheet & Financial Strength

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

Metric
BKH
BKH
VTOL
VTOL
Cash + ST InvestmentsLiquidity on hand
$182.8M
$286.2M
Total DebtLower is stronger
$671.5M
Stockholders' EquityBook value
$3.8B
$1.1B
Total Assets
$10.9B
$2.3B
Debt / EquityLower = less leverage
0.63×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BKH
BKH
VTOL
VTOL
Q4 25
$182.8M
$286.2M
Q3 25
$21.1M
$245.5M
Q2 25
$8.1M
$251.8M
Q1 25
$6.6M
$191.1M
Q4 24
$16.1M
$247.5M
Q3 24
$12.5M
$200.3M
Q2 24
$624.8M
$178.6M
Q1 24
$123.0M
$140.6M
Total Debt
BKH
BKH
VTOL
VTOL
Q4 25
$671.5M
Q3 25
$675.0M
Q2 25
$705.2M
Q1 25
$701.9M
Q4 24
$689.8M
Q3 24
$629.1M
Q2 24
$594.2M
Q1 24
$544.1M
Stockholders' Equity
BKH
BKH
VTOL
VTOL
Q4 25
$3.8B
$1.1B
Q3 25
$3.8B
$1.0B
Q2 25
$3.6B
$984.4M
Q1 25
$3.6B
$931.7M
Q4 24
$3.5B
$891.7M
Q3 24
$3.4B
$899.2M
Q2 24
$3.4B
$849.1M
Q1 24
$3.3B
$820.7M
Total Assets
BKH
BKH
VTOL
VTOL
Q4 25
$10.9B
$2.3B
Q3 25
$10.3B
$2.3B
Q2 25
$10.1B
$2.3B
Q1 25
$10.1B
$2.2B
Q4 24
$10.0B
$2.1B
Q3 24
$9.7B
$2.1B
Q2 24
$10.2B
$2.0B
Q1 24
$9.7B
$1.9B
Debt / Equity
BKH
BKH
VTOL
VTOL
Q4 25
0.63×
Q3 25
0.65×
Q2 25
0.72×
Q1 25
0.75×
Q4 24
0.77×
Q3 24
0.70×
Q2 24
0.70×
Q1 24
0.66×

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
VTOL
VTOL
Operating Cash FlowLast quarter
$168.1M
$76.9M
Free Cash FlowOCF − Capex
$-101.5M
$47.8M
FCF MarginFCF / Revenue
-16.3%
12.7%
Capex IntensityCapex / Revenue
43.3%
7.7%
Cash ConversionOCF / Net Profit
1.60×
4.17×
TTM Free Cash FlowTrailing 4 quarters
$-146.4M
$56.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BKH
BKH
VTOL
VTOL
Q4 25
$168.1M
$76.9M
Q3 25
$88.9M
$23.1M
Q2 25
$188.6M
$99.0M
Q1 25
$227.8M
$-603.0K
Q4 24
$153.2M
$51.1M
Q3 24
$102.1M
$66.0M
Q2 24
$230.6M
$33.7M
Q1 24
$233.4M
$26.7M
Free Cash Flow
BKH
BKH
VTOL
VTOL
Q4 25
$-101.5M
$47.8M
Q3 25
$-89.5M
$-6.2M
Q2 25
$-30.3M
$67.4M
Q1 25
$74.9M
$-52.7M
Q4 24
$-60.5M
$-32.4M
Q3 24
$-86.0M
$9.0M
Q2 24
$64.4M
$-16.7M
Q1 24
$57.2M
$-37.9M
FCF Margin
BKH
BKH
VTOL
VTOL
Q4 25
-16.3%
12.7%
Q3 25
-20.9%
-1.6%
Q2 25
-7.0%
17.9%
Q1 25
9.4%
-15.0%
Q4 24
-10.3%
-9.2%
Q3 24
-21.6%
2.5%
Q2 24
16.2%
-4.6%
Q1 24
8.0%
-11.2%
Capex Intensity
BKH
BKH
VTOL
VTOL
Q4 25
43.3%
7.7%
Q3 25
41.7%
7.6%
Q2 25
50.2%
8.4%
Q1 25
19.1%
14.9%
Q4 24
36.5%
23.6%
Q3 24
47.2%
15.6%
Q2 24
41.9%
14.0%
Q1 24
24.6%
19.2%
Cash Conversion
BKH
BKH
VTOL
VTOL
Q4 25
1.60×
4.17×
Q3 25
3.57×
0.45×
Q2 25
6.86×
3.12×
Q1 25
1.70×
-0.02×
Q4 24
1.56×
1.61×
Q3 24
4.18×
2.34×
Q2 24
10.11×
1.20×
Q1 24
1.82×
4.04×

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%

VTOL
VTOL

Offshore Energy Services$247.5M66%
Government Services$100.1M27%
Other$21.9M6%
Related Party$7.8M2%

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