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Side-by-side financial comparison of Energy Recovery, Inc. (ERII) and FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ). Click either name above to swap in a different company.

Energy Recovery, Inc. is the larger business by last-quarter revenue ($66.9M vs $44.3M, roughly 1.5× FIRST BUSINESS FINANCIAL SERVICES, INC.). Energy Recovery, Inc. runs the higher net margin — 40.2% vs 27.5%, a 12.7% gap on every dollar of revenue. On growth, FIRST BUSINESS FINANCIAL SERVICES, INC. posted the faster year-over-year revenue change (8.5% vs -0.3%). Over the past eight quarters, Energy Recovery, Inc.'s revenue compounded faster (8.1% CAGR vs 8.0%).

Energy Recovery Inc. is an American manufacturer of energy recovery devices for water and CO2 refrigeration industries.

The PNC Financial Services Group, Inc. is an American bank holding company and financial services corporation based in Pittsburgh, Pennsylvania. Its banking subsidiary, PNC Bank, operates in 27 states and the District of Columbia, with 2,629 branches and 9,523 ATMs. PNC Bank is one of the largest banks in the US by assets and by number of branches, deposits, and ATMs.

ERII vs FBIZ — Head-to-Head

Bigger by revenue
ERII
ERII
1.5× larger
ERII
$66.9M
$44.3M
FBIZ
Growing faster (revenue YoY)
FBIZ
FBIZ
+8.8% gap
FBIZ
8.5%
-0.3%
ERII
Higher net margin
ERII
ERII
12.7% more per $
ERII
40.2%
27.5%
FBIZ
Faster 2-yr revenue CAGR
ERII
ERII
Annualised
ERII
8.1%
8.0%
FBIZ

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ERII
ERII
FBIZ
FBIZ
Revenue
$66.9M
$44.3M
Net Profit
$26.9M
$12.2M
Gross Margin
67.2%
Operating Margin
46.8%
Net Margin
40.2%
27.5%
Revenue YoY
-0.3%
8.5%
Net Profit YoY
14.7%
9.2%
EPS (diluted)
$0.49
$1.44

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
ERII
ERII
FBIZ
FBIZ
Q1 26
$44.3M
Q4 25
$66.9M
$42.2M
Q3 25
$32.0M
$44.5M
Q2 25
$28.1M
$41.0M
Q1 25
$40.8M
Q4 24
$67.1M
$41.2M
Q3 24
$38.6M
$38.1M
Q2 24
$27.2M
$38.0M
Net Profit
ERII
ERII
FBIZ
FBIZ
Q1 26
$12.2M
Q4 25
$26.9M
$13.3M
Q3 25
$3.9M
$14.4M
Q2 25
$2.1M
$11.4M
Q1 25
$11.2M
Q4 24
$23.5M
$14.4M
Q3 24
$8.5M
$10.5M
Q2 24
$-642.0K
$10.5M
Gross Margin
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
67.2%
Q3 25
64.2%
Q2 25
64.0%
Q1 25
Q4 24
70.2%
Q3 24
65.1%
Q2 24
64.6%
Operating Margin
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
46.8%
38.5%
Q3 25
11.4%
39.0%
Q2 25
5.3%
32.6%
Q1 25
33.0%
Q4 24
38.2%
37.2%
Q3 24
18.3%
33.8%
Q2 24
-7.4%
32.6%
Net Margin
ERII
ERII
FBIZ
FBIZ
Q1 26
27.5%
Q4 25
40.2%
31.6%
Q3 25
12.1%
32.3%
Q2 25
7.3%
27.8%
Q1 25
27.4%
Q4 24
35.0%
35.0%
Q3 24
22.0%
27.6%
Q2 24
-2.4%
27.5%
EPS (diluted)
ERII
ERII
FBIZ
FBIZ
Q1 26
$1.44
Q4 25
$0.49
$1.57
Q3 25
$0.07
$1.70
Q2 25
$0.04
$1.35
Q1 25
$1.32
Q4 24
$0.40
$1.69
Q3 24
$0.15
$1.24
Q2 24
$-0.01
$1.23

Balance Sheet & Financial Strength

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

Metric
ERII
ERII
FBIZ
FBIZ
Cash + ST InvestmentsLiquidity on hand
$75.2M
$265.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$206.2M
Total Assets
$231.5M
$4.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ERII
ERII
FBIZ
FBIZ
Q1 26
$265.8M
Q4 25
$75.2M
$39.5M
Q3 25
$70.4M
$44.3M
Q2 25
$79.5M
$123.2M
Q1 25
$170.6M
Q4 24
$78.0M
$157.7M
Q3 24
$118.6M
$132.0M
Q2 24
$101.0M
$81.1M
Stockholders' Equity
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
$206.2M
$371.6M
Q3 25
$180.8M
$358.3M
Q2 25
$185.2M
$344.8M
Q1 25
$336.1M
Q4 24
$210.0M
$328.6M
Q3 24
$233.9M
$312.0M
Q2 24
$218.5M
$305.2M
Total Assets
ERII
ERII
FBIZ
FBIZ
Q1 26
$4.3B
Q4 25
$231.5M
$4.1B
Q3 25
$209.6M
$4.0B
Q2 25
$212.3M
$4.0B
Q1 25
$3.9B
Q4 24
$242.8M
$3.9B
Q3 24
$262.7M
$3.7B
Q2 24
$249.0M
$3.9B

Cash Flow & Capital Efficiency

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

Metric
ERII
ERII
FBIZ
FBIZ
Operating Cash FlowLast quarter
$7.1M
Free Cash FlowOCF − Capex
$6.4M
FCF MarginFCF / Revenue
9.6%
Capex IntensityCapex / Revenue
1.0%
Cash ConversionOCF / Net Profit
0.26×
TTM Free Cash FlowTrailing 4 quarters
$15.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
$7.1M
$61.7M
Q3 25
$-3.1M
$18.4M
Q2 25
$4.1M
$15.8M
Q1 25
$11.3M
Q4 24
$9.0M
$57.5M
Q3 24
$-3.0M
$13.8M
Q2 24
$8.1M
$13.1M
Free Cash Flow
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
$6.4M
$61.1M
Q3 25
$-3.5M
$18.3M
Q2 25
$4.0M
$15.5M
Q1 25
$11.2M
Q4 24
$8.9M
$57.3M
Q3 24
$-3.2M
$13.2M
Q2 24
$7.9M
$12.7M
FCF Margin
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
9.6%
144.7%
Q3 25
-10.9%
41.0%
Q2 25
14.3%
37.8%
Q1 25
27.5%
Q4 24
13.2%
139.2%
Q3 24
-8.2%
34.6%
Q2 24
28.9%
33.3%
Capex Intensity
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
1.0%
1.4%
Q3 25
1.1%
0.3%
Q2 25
0.5%
0.8%
Q1 25
0.2%
Q4 24
0.2%
0.5%
Q3 24
0.4%
1.6%
Q2 24
0.7%
1.1%
Cash Conversion
ERII
ERII
FBIZ
FBIZ
Q1 26
Q4 25
0.26×
4.63×
Q3 25
-0.81×
1.28×
Q2 25
2.02×
1.39×
Q1 25
1.01×
Q4 24
0.38×
3.99×
Q3 24
-0.35×
1.31×
Q2 24
1.25×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ERII
ERII

Water Segment$38.6M58%
Other$11.0M16%
Original Equipment Manufacturer$10.6M16%
Aftermarket$6.6M10%

FBIZ
FBIZ

Segment breakdown not available.

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