WallStSmart

Energy Recovery Inc (ERII)vsFederal Signal Corporation (FSS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Federal Signal Corporation generates 1515% more annual revenue ($2.18B vs $134.99M). ERII leads profitability with a 17.0% profit margin vs 11.3%. FSS appears more attractively valued with a PEG of 1.71. FSS earns a higher WallStSmart Score of 66/100 (B-).

ERII

Buy

59

out of 100

Grade: C

Growth: 4.7Profit: 7.5Value: 6.0Quality: 8.5
Piotroski: 2/9Altman Z: 6.13

FSS

Strong Buy

66

out of 100

Grade: B-

Growth: 8.0Profit: 7.5Value: 10.0Quality: 8.5
Piotroski: 4/9Altman Z: 4.24
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ERIIUndervalued (+5.6%)

Margin of Safety

+5.6%

Fair Value

$16.36

Current Price

$10.17

$6.19 discount

UndervaluedFair: $16.36Overvalued
FSSUndervalued (+34.7%)

Margin of Safety

+34.7%

Fair Value

$182.54

Current Price

$111.34

$71.20 discount

UndervaluedFair: $182.54Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ERII5 strengths · Avg: 9.2/10
Operating MarginProfitability
46.5%10/10

Strong operational efficiency at 46.5%

Debt/EquityHealth
0.0610/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
6.1310/10

Safe zone — low bankruptcy risk

Price/BookValuation
2.6x8/10

Reasonable price relative to book value

EPS GrowthGrowth
20.1%8/10

Earnings expanding 20.1% YoY

FSS4 strengths · Avg: 8.8/10
Altman Z-ScoreHealth
4.2410/10

Safe zone — low bankruptcy risk

Debt/EquityHealth
0.189/10

Conservative balance sheet, low leverage

Revenue GrowthGrowth
26.5%8/10

Revenue surging 26.5% year-over-year

EPS GrowthGrowth
24.2%8/10

Earnings expanding 24.2% YoY

Areas to Watch

ERII4 concerns · Avg: 2.5/10
Market CapQuality
$501.12M3/10

Smaller company, higher risk/reward

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

PEG RatioValuation
3.332/10

Expensive relative to growth rate

Revenue GrowthGrowth
-0.3%2/10

Revenue declined 0.3%

FSS2 concerns · Avg: 4.0/10
PEG RatioValuation
1.714/10

Expensive relative to growth rate

P/E RatioValuation
28.0x4/10

Moderate valuation

Comparative Analysis Report

WallStSmart Research

Bull Case : ERII

The strongest argument for ERII centers on Operating Margin, Debt/Equity, Altman Z-Score. Profitability is solid with margins at 17.0% and operating margin at 46.5%.

Bull Case : FSS

The strongest argument for FSS centers on Altman Z-Score, Debt/Equity, Revenue Growth. Revenue growth of 26.5% demonstrates continued momentum.

Bear Case : ERII

The primary concerns for ERII are Market Cap, Piotroski F-Score, PEG Ratio.

Bear Case : FSS

The primary concerns for FSS are PEG Ratio, P/E Ratio.

Key Dynamics to Monitor

ERII profiles as a declining stock while FSS is a growth play — different risk/reward profiles.

FSS carries more volatility with a beta of 1.33 — expect wider price swings.

FSS is growing revenue faster at 26.5% — sustainability is the question.

FSS generates stronger free cash flow (90M), providing more financial flexibility.

Bottom Line

FSS scores higher overall (66/100 vs 59/100) and 26.5% revenue growth. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Energy Recovery Inc

INDUSTRIALS · POLLUTION & TREATMENT CONTROLS · USA

Energy Recovery, Inc. designs, manufactures and sells various solutions for the industrial fluid flow markets worldwide. The company is headquartered in San Leandro, California.

Federal Signal Corporation

INDUSTRIALS · POLLUTION & TREATMENT CONTROLS · USA

Federal Signal Corporation designs, manufactures, and supplies a suite of integrated products and solutions for municipal, government, industrial, and commercial customers in the United States, Canada, Europe, and internationally. The company is headquartered in Oak Brook, Illinois.

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