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Side-by-side financial comparison of Archrock, Inc. (AROC) and FIRST INTERSTATE BANCSYSTEM INC (FIBK). Click either name above to swap in a different company.

Archrock, Inc. is the larger business by last-quarter revenue ($377.1M vs $313.0M, roughly 1.2× FIRST INTERSTATE BANCSYSTEM INC). FIRST INTERSTATE BANCSYSTEM INC runs the higher net margin — 34.8% vs 31.0%, a 3.8% gap on every dollar of revenue. On growth, FIRST INTERSTATE BANCSYSTEM INC posted the faster year-over-year revenue change (19.8% vs 15.5%). Over the past eight quarters, Archrock, Inc.'s revenue compounded faster (18.5% CAGR vs 13.7%).

Archrock, Inc. is a leading provider of natural gas compression services and equipment solutions for the North American oil and gas sector. Its core offerings include compression system rental, maintenance, aftermarket support, and sales, serving upstream production, midstream transportation and natural gas processing segments.

First Interstate BancSystem, Inc. is a financial holding company headquartered in Billings, Montana. It is the parent company of First Interstate Bank, a community bank with locations throughout 14 states within the Western and Midwestern United States. It is the largest bank based in Montana, as measured by total assets.

AROC vs FIBK — Head-to-Head

Bigger by revenue
AROC
AROC
1.2× larger
AROC
$377.1M
$313.0M
FIBK
Growing faster (revenue YoY)
FIBK
FIBK
+4.3% gap
FIBK
19.8%
15.5%
AROC
Higher net margin
FIBK
FIBK
3.8% more per $
FIBK
34.8%
31.0%
AROC
Faster 2-yr revenue CAGR
AROC
AROC
Annualised
AROC
18.5%
13.7%
FIBK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AROC
AROC
FIBK
FIBK
Revenue
$377.1M
$313.0M
Net Profit
$116.8M
$108.8M
Gross Margin
53.0%
Operating Margin
39.4%
44.5%
Net Margin
31.0%
34.8%
Revenue YoY
15.5%
19.8%
Net Profit YoY
95.4%
108.8%
EPS (diluted)
$0.67
$1.07

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
AROC
AROC
FIBK
FIBK
Q4 25
$377.1M
$313.0M
Q3 25
$382.4M
$250.5M
Q2 25
$383.2M
$248.3M
Q1 25
$347.2M
$247.0M
Q4 24
$326.4M
$261.3M
Q3 24
$292.2M
$251.9M
Q2 24
$270.5M
$244.3M
Q1 24
$268.5M
$242.2M
Net Profit
AROC
AROC
FIBK
FIBK
Q4 25
$116.8M
$108.8M
Q3 25
$71.2M
$71.4M
Q2 25
$63.4M
$71.7M
Q1 25
$70.8M
$50.2M
Q4 24
$59.8M
$52.1M
Q3 24
$37.5M
$55.5M
Q2 24
$34.4M
$60.0M
Q1 24
$40.5M
$58.4M
Gross Margin
AROC
AROC
FIBK
FIBK
Q4 25
53.0%
Q3 25
48.5%
Q2 25
45.4%
Q1 25
47.4%
Q4 24
46.3%
Q3 24
44.4%
Q2 24
41.5%
Q1 24
42.1%
Operating Margin
AROC
AROC
FIBK
FIBK
Q4 25
39.4%
44.5%
Q3 25
25.3%
37.0%
Q2 25
22.5%
37.7%
Q1 25
26.5%
26.9%
Q4 24
24.0%
25.5%
Q3 24
18.1%
28.9%
Q2 24
17.6%
32.1%
Q1 24
20.0%
31.7%
Net Margin
AROC
AROC
FIBK
FIBK
Q4 25
31.0%
34.8%
Q3 25
18.6%
28.5%
Q2 25
16.6%
28.9%
Q1 25
20.4%
20.3%
Q4 24
18.3%
19.9%
Q3 24
12.8%
22.0%
Q2 24
12.7%
24.6%
Q1 24
15.1%
24.1%
EPS (diluted)
AROC
AROC
FIBK
FIBK
Q4 25
$0.67
$1.07
Q3 25
$0.40
$0.69
Q2 25
$0.36
$0.69
Q1 25
$0.40
$0.49
Q4 24
$0.35
$0.50
Q3 24
$0.22
$0.54
Q2 24
$0.22
$0.58
Q1 24
$0.26
$0.57

Balance Sheet & Financial Strength

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

Metric
AROC
AROC
FIBK
FIBK
Cash + ST InvestmentsLiquidity on hand
$1.6M
Total DebtLower is stronger
$146.3M
Stockholders' EquityBook value
$1.5B
$3.4B
Total Assets
$4.3B
$26.6B
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AROC
AROC
FIBK
FIBK
Q4 25
$1.6M
Q3 25
$4.1M
Q2 25
$5.9M
Q1 25
$4.8M
Q4 24
$4.4M
Q3 24
$3.7M
Q2 24
$919.0K
Q1 24
$1.2M
Total Debt
AROC
AROC
FIBK
FIBK
Q4 25
$146.3M
Q3 25
$146.2M
Q2 25
$252.0M
Q1 25
Q4 24
$132.2M
Q3 24
$137.3M
Q2 24
$383.4M
Q1 24
$370.8M
Stockholders' Equity
AROC
AROC
FIBK
FIBK
Q4 25
$1.5B
$3.4B
Q3 25
$1.4B
$3.4B
Q2 25
$1.4B
$3.4B
Q1 25
$1.3B
$3.4B
Q4 24
$1.3B
$3.3B
Q3 24
$1.3B
$3.4B
Q2 24
$894.5M
$3.2B
Q1 24
$882.1M
$3.2B
Total Assets
AROC
AROC
FIBK
FIBK
Q4 25
$4.3B
$26.6B
Q3 25
$4.4B
$27.3B
Q2 25
$4.4B
$27.6B
Q1 25
$4.0B
$28.3B
Q4 24
$3.8B
$29.1B
Q3 24
$3.8B
$29.6B
Q2 24
$2.7B
$30.3B
Q1 24
$2.7B
$30.1B
Debt / Equity
AROC
AROC
FIBK
FIBK
Q4 25
0.04×
Q3 25
0.04×
Q2 25
0.07×
Q1 25
Q4 24
0.04×
Q3 24
0.04×
Q2 24
0.12×
Q1 24
0.12×

Cash Flow & Capital Efficiency

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

Metric
AROC
AROC
FIBK
FIBK
Operating Cash FlowLast quarter
$214.5M
$305.6M
Free Cash FlowOCF − Capex
$126.7M
FCF MarginFCF / Revenue
33.6%
Capex IntensityCapex / Revenue
23.3%
Cash ConversionOCF / Net Profit
1.84×
2.81×
TTM Free Cash FlowTrailing 4 quarters
$119.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AROC
AROC
FIBK
FIBK
Q4 25
$214.5M
$305.6M
Q3 25
$164.5M
$91.7M
Q2 25
$127.5M
$68.1M
Q1 25
$115.6M
$78.5M
Q4 24
$124.3M
$355.0M
Q3 24
$96.9M
$89.9M
Q2 24
$70.7M
$82.3M
Q1 24
$137.7M
$87.6M
Free Cash Flow
AROC
AROC
FIBK
FIBK
Q4 25
$126.7M
Q3 25
$29.5M
Q2 25
$16.0M
Q1 25
$-52.5M
Q4 24
$26.4M
Q3 24
$26.9M
Q2 24
$-20.6M
Q1 24
$37.9M
FCF Margin
AROC
AROC
FIBK
FIBK
Q4 25
33.6%
Q3 25
7.7%
Q2 25
4.2%
Q1 25
-15.1%
Q4 24
8.1%
Q3 24
9.2%
Q2 24
-7.6%
Q1 24
14.1%
Capex Intensity
AROC
AROC
FIBK
FIBK
Q4 25
23.3%
Q3 25
35.3%
Q2 25
29.1%
Q1 25
48.4%
Q4 24
30.0%
Q3 24
24.0%
Q2 24
33.7%
Q1 24
37.2%
Cash Conversion
AROC
AROC
FIBK
FIBK
Q4 25
1.84×
2.81×
Q3 25
2.31×
1.28×
Q2 25
2.01×
0.95×
Q1 25
1.63×
1.56×
Q4 24
2.08×
6.81×
Q3 24
2.58×
1.62×
Q2 24
2.05×
1.37×
Q1 24
3.40×
1.50×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AROC
AROC

Horsepower Group Three$112.6M30%
Horsepower Group Two$108.5M29%
Horsepower Group One$105.9M28%
Services$32.9M9%
Over Counter Parts And Component Sales$17.0M5%
Transferred At Point In Time$1.4M0%

FIBK
FIBK

Segment breakdown not available.

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