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Side-by-side financial comparison of Energy Services of America CORP (ESOA) and PDF SOLUTIONS INC (PDFS). Click either name above to swap in a different company.

Energy Services of America CORP is the larger business by last-quarter revenue ($114.1M vs $62.4M, roughly 1.8× PDF SOLUTIONS INC). On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs 13.4%). Energy Services of America CORP produced more free cash flow last quarter ($16.8M vs $7.5M). Over the past eight quarters, Energy Services of America CORP's revenue compounded faster (26.7% CAGR vs 22.9%).

Superior Energy Services is an American oil services company that operates as a holding company for a portfolio of oilfield equipment rentals and well oil and gas services brands.

PDF Solutions, Inc. is an American multinational software and engineering services company based in Santa Clara, California. The company is listed in the Nasdaq stock exchange under the ticker symbol PDFS.

ESOA vs PDFS — Head-to-Head

Bigger by revenue
ESOA
ESOA
1.8× larger
ESOA
$114.1M
$62.4M
PDFS
Growing faster (revenue YoY)
PDFS
PDFS
+11.2% gap
PDFS
24.6%
13.4%
ESOA
More free cash flow
ESOA
ESOA
$9.2M more FCF
ESOA
$16.8M
$7.5M
PDFS
Faster 2-yr revenue CAGR
ESOA
ESOA
Annualised
ESOA
26.7%
22.9%
PDFS

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ESOA
ESOA
PDFS
PDFS
Revenue
$114.1M
$62.4M
Net Profit
$-48.0K
Gross Margin
12.3%
72.9%
Operating Margin
4.3%
5.5%
Net Margin
-0.1%
Revenue YoY
13.4%
24.6%
Net Profit YoY
-108.9%
EPS (diluted)
$0.16
$0.00

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
ESOA
ESOA
PDFS
PDFS
Q4 25
$114.1M
$62.4M
Q3 25
$130.1M
$57.1M
Q2 25
$103.6M
$51.7M
Q1 25
$76.7M
$47.8M
Q4 24
$100.6M
$50.1M
Q3 24
$104.7M
$46.4M
Q2 24
$85.9M
$41.7M
Q1 24
$71.1M
$41.3M
Net Profit
ESOA
ESOA
PDFS
PDFS
Q4 25
$-48.0K
Q3 25
$1.3M
Q2 25
$1.1M
Q1 25
$-3.0M
Q4 24
$539.0K
Q3 24
$2.2M
Q2 24
$1.7M
Q1 24
$-393.0K
Gross Margin
ESOA
ESOA
PDFS
PDFS
Q4 25
12.3%
72.9%
Q3 25
12.6%
72.3%
Q2 25
11.6%
71.2%
Q1 25
0.1%
72.9%
Q4 24
10.2%
68.3%
Q3 24
16.8%
73.1%
Q2 24
17.8%
70.6%
Q1 24
8.8%
67.3%
Operating Margin
ESOA
ESOA
PDFS
PDFS
Q4 25
4.3%
5.5%
Q3 25
5.8%
8.5%
Q2 25
3.1%
2.2%
Q1 25
-10.6%
-7.4%
Q4 24
1.6%
1.0%
Q3 24
8.4%
4.6%
Q2 24
9.9%
0.6%
Q1 24
-1.5%
-4.7%
Net Margin
ESOA
ESOA
PDFS
PDFS
Q4 25
-0.1%
Q3 25
2.3%
Q2 25
2.2%
Q1 25
-6.3%
Q4 24
1.1%
Q3 24
4.8%
Q2 24
4.1%
Q1 24
-1.0%
EPS (diluted)
ESOA
ESOA
PDFS
PDFS
Q4 25
$0.16
$0.00
Q3 25
$0.26
$0.03
Q2 25
$0.12
$0.03
Q1 25
$-0.41
$-0.08
Q4 24
$0.05
$0.01
Q3 24
$0.40
$0.06
Q2 24
$1.06
$0.04
Q1 24
$-0.07
$-0.01

Balance Sheet & Financial Strength

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

Metric
ESOA
ESOA
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$16.7M
$42.2M
Total DebtLower is stronger
$62.0M
$67.0M
Stockholders' EquityBook value
$60.6M
$271.0M
Total Assets
$201.0M
$418.7M
Debt / EquityLower = less leverage
1.02×
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESOA
ESOA
PDFS
PDFS
Q4 25
$16.7M
$42.2M
Q3 25
$12.2M
$35.9M
Q2 25
$15.3M
$40.4M
Q1 25
$9.9M
$54.1M
Q4 24
$20.3M
$114.9M
Q3 24
$12.9M
$120.2M
Q2 24
$14.5M
$117.9M
Q1 24
$12.1M
$122.9M
Total Debt
ESOA
ESOA
PDFS
PDFS
Q4 25
$62.0M
$67.0M
Q3 25
$72.2M
$67.6M
Q2 25
$59.1M
$68.1M
Q1 25
$50.7M
$68.7M
Q4 24
$59.6M
Q3 24
$33.9M
Q2 24
$31.9M
Q1 24
$45.7M
Stockholders' Equity
ESOA
ESOA
PDFS
PDFS
Q4 25
$60.6M
$271.0M
Q3 25
$59.2M
$264.4M
Q2 25
$54.4M
$257.5M
Q1 25
$53.7M
$249.0M
Q4 24
$61.0M
$246.0M
Q3 24
$58.7M
$240.5M
Q2 24
$52.0M
$232.2M
Q1 24
$34.6M
$225.4M
Total Assets
ESOA
ESOA
PDFS
PDFS
Q4 25
$201.0M
$418.7M
Q3 25
$215.2M
$406.4M
Q2 25
$189.1M
$391.1M
Q1 25
$170.2M
$390.0M
Q4 24
$192.1M
$315.3M
Q3 24
$158.2M
$307.4M
Q2 24
$148.8M
$298.0M
Q1 24
$136.1M
$286.8M
Debt / Equity
ESOA
ESOA
PDFS
PDFS
Q4 25
1.02×
0.25×
Q3 25
1.22×
0.26×
Q2 25
1.09×
0.26×
Q1 25
0.94×
0.28×
Q4 24
0.98×
Q3 24
0.58×
Q2 24
0.61×
Q1 24
1.32×

Cash Flow & Capital Efficiency

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

Metric
ESOA
ESOA
PDFS
PDFS
Operating Cash FlowLast quarter
$18.8M
$17.3M
Free Cash FlowOCF − Capex
$16.8M
$7.5M
FCF MarginFCF / Revenue
14.7%
12.1%
Capex IntensityCapex / Revenue
1.8%
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$3.1M
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESOA
ESOA
PDFS
PDFS
Q4 25
$18.8M
$17.3M
Q3 25
$-9.3M
$3.3M
Q2 25
$3.4M
$-5.2M
Q1 25
$1.1M
$8.6M
Q4 24
$8.9M
$1.6M
Q3 24
$-847.5K
$9.3M
Q2 24
$19.3M
$684.0K
Q1 24
$-2.7M
$-1.9M
Free Cash Flow
ESOA
ESOA
PDFS
PDFS
Q4 25
$16.8M
$7.5M
Q3 25
$-12.0M
$-2.9M
Q2 25
$-582.0K
$-13.8M
Q1 25
$-1.1M
$535.0K
Q4 24
$6.0M
$-4.0M
Q3 24
$-2.9M
$5.1M
Q2 24
$16.3M
$-4.6M
Q1 24
$-4.9M
$-3.9M
FCF Margin
ESOA
ESOA
PDFS
PDFS
Q4 25
14.7%
12.1%
Q3 25
-9.3%
-5.1%
Q2 25
-0.6%
-26.6%
Q1 25
-1.4%
1.1%
Q4 24
5.9%
-8.0%
Q3 24
-2.8%
11.0%
Q2 24
18.9%
-11.1%
Q1 24
-6.9%
-9.4%
Capex Intensity
ESOA
ESOA
PDFS
PDFS
Q4 25
1.8%
15.7%
Q3 25
2.1%
10.8%
Q2 25
3.9%
16.5%
Q1 25
2.9%
17.0%
Q4 24
2.9%
11.3%
Q3 24
2.0%
9.0%
Q2 24
3.6%
12.8%
Q1 24
3.1%
4.9%
Cash Conversion
ESOA
ESOA
PDFS
PDFS
Q4 25
Q3 25
2.54×
Q2 25
-4.55×
Q1 25
Q4 24
2.98×
Q3 24
4.20×
Q2 24
0.40×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ESOA
ESOA

Electricals Mechanical And General$49.4M43%
Gas And Petroleum Transmission$24.1M21%
Cost Plus And TM Contracts$23.3M20%
Transferred At Point In Time$17.9M16%

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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