WallStSmart

Natural Gas Services Group Inc (NGS)vsSolaris Energy Infrastructure, Inc. (SEI)

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Smart Verdict

WallStSmart Research — data-driven comparison

Solaris Energy Infrastructure, Inc. generates 302% more annual revenue ($762.18M vs $189.42M). NGS leads profitability with a 10.8% profit margin vs 7.2%. NGS appears more attractively valued with a PEG of 0.82. NGS earns a higher WallStSmart Score of 62/100 (C+).

NGS

Buy

62

out of 100

Grade: C+

Growth: 6.7Profit: 6.0Value: 6.7Quality: 5.5
Piotroski: 2/9Altman Z: 1.52

SEI

Buy

55

out of 100

Grade: C

Growth: 7.3Profit: 6.0Value: 4.0Quality: 5.0
Piotroski: 3/9Altman Z: 1.02
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NGSUndervalued (+0.9%)

Margin of Safety

+0.9%

Fair Value

$37.35

Current Price

$32.83

$4.52 discount

UndervaluedFair: $37.35Overvalued
SEISignificantly Overvalued (-25.4%)

Margin of Safety

-25.4%

Fair Value

$55.02

Current Price

$69.09

$14.07 premium

UndervaluedFair: $55.02Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NGS3 strengths · Avg: 8.7/10
Price/BookValuation
1.4x10/10

Reasonable price relative to book value

PEG RatioValuation
0.828/10

Growing faster than its price suggests

Revenue GrowthGrowth
24.2%8/10

Revenue surging 24.2% year-over-year

SEI3 strengths · Avg: 8.7/10
Revenue GrowthGrowth
46.9%10/10

Revenue surging 46.9% year-over-year

PEG RatioValuation
0.948/10

Growing faster than its price suggests

Operating MarginProfitability
26.5%8/10

Strong operational efficiency at 26.5%

Areas to Watch

NGS4 concerns · Avg: 3.3/10
Altman Z-ScoreHealth
1.524/10

Distress zone — elevated risk

Market CapQuality
$399.46M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
7.0%3/10

ROE of 7.0% — below average capital efficiency

Debt/EquityHealth
1.113/10

Elevated debt levels

SEI4 concerns · Avg: 2.8/10
Return on EquityProfitability
5.9%3/10

ROE of 5.9% — below average capital efficiency

Profit MarginProfitability
7.2%3/10

7.2% margin — thin

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

P/E RatioValuation
82.1x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : NGS

The strongest argument for NGS centers on Price/Book, PEG Ratio, Revenue Growth. Revenue growth of 24.2% demonstrates continued momentum. PEG of 0.82 suggests the stock is reasonably priced for its growth.

Bull Case : SEI

The strongest argument for SEI centers on Revenue Growth, PEG Ratio, Operating Margin. Revenue growth of 46.9% demonstrates continued momentum. PEG of 0.94 suggests the stock is reasonably priced for its growth.

Bear Case : NGS

The primary concerns for NGS are Altman Z-Score, Market Cap, Return on Equity.

Bear Case : SEI

The primary concerns for SEI are Return on Equity, Profit Margin, Piotroski F-Score. A P/E of 82.1x leaves little room for execution misses. Debt-to-equity of 2.79 is elevated, increasing financial risk.

Key Dynamics to Monitor

NGS profiles as a growth stock while SEI is a hypergrowth play — different risk/reward profiles.

SEI carries more volatility with a beta of 1.28 — expect wider price swings.

SEI is growing revenue faster at 46.9% — sustainability is the question.

NGS generates stronger free cash flow (7M), providing more financial flexibility.

Bottom Line

NGS scores higher overall (62/100 vs 55/100) and 24.2% revenue growth. Both earn "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.

Natural Gas Services Group Inc

ENERGY · OIL & GAS EQUIPMENT & SERVICES · USA

Natural Gas Services Group, Inc. provides natural gas compression equipment and services to the United States energy industry. The company is headquartered in Midland, Texas.

Solaris Energy Infrastructure, Inc.

ENERGY · OIL & GAS EQUIPMENT & SERVICES · USA

Solaris Oilfield Infrastructure, Inc. designs and manufactures specialized equipment for oil and natural gas operators in the United States. The company is headquartered in Houston, Texas.

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