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Side-by-side financial comparison of QUALYS, INC. (QLYS) and USA Compression Partners, LP (USAC). Click either name above to swap in a different company.

USA Compression Partners, LP is the larger business by last-quarter revenue ($252.5M vs $175.3M, roughly 1.4× QUALYS, INC.). QUALYS, INC. runs the higher net margin — 30.3% vs 11.0%, a 19.3% gap on every dollar of revenue. On growth, QUALYS, INC. posted the faster year-over-year revenue change (10.1% vs 2.7%). USA Compression Partners, LP produced more free cash flow last quarter ($87.7M vs $74.9M). Over the past eight quarters, QUALYS, INC.'s revenue compounded faster (9.6% CAGR vs 4.9%).

Qualys, Inc. is an American technology firm based in Foster City, California, specializing in cloud security, compliance and related services.

USA Compression Partners, LP is a US-based provider of natural gas compression services and related infrastructure solutions. It serves clients across the upstream, midstream, and downstream segments of the oil and gas industry, offering custom compression systems, maintenance, and operational support to facilitate efficient natural gas production, processing, and transportation.

QLYS vs USAC — Head-to-Head

Bigger by revenue
USAC
USAC
1.4× larger
USAC
$252.5M
$175.3M
QLYS
Growing faster (revenue YoY)
QLYS
QLYS
+7.4% gap
QLYS
10.1%
2.7%
USAC
Higher net margin
QLYS
QLYS
19.3% more per $
QLYS
30.3%
11.0%
USAC
More free cash flow
USAC
USAC
$12.8M more FCF
USAC
$87.7M
$74.9M
QLYS
Faster 2-yr revenue CAGR
QLYS
QLYS
Annualised
QLYS
9.6%
4.9%
USAC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
QLYS
QLYS
USAC
USAC
Revenue
$175.3M
$252.5M
Net Profit
$53.1M
$27.8M
Gross Margin
83.4%
Operating Margin
33.6%
30.3%
Net Margin
30.3%
11.0%
Revenue YoY
10.1%
2.7%
Net Profit YoY
20.9%
9.1%
EPS (diluted)
$1.47

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
QLYS
QLYS
USAC
USAC
Q4 25
$175.3M
$252.5M
Q3 25
$169.9M
$250.3M
Q2 25
$164.1M
$250.1M
Q1 25
$159.9M
$245.2M
Q4 24
$159.2M
$245.9M
Q3 24
$153.9M
$240.0M
Q2 24
$148.7M
$235.3M
Q1 24
$145.8M
$229.3M
Net Profit
QLYS
QLYS
USAC
USAC
Q4 25
$53.1M
$27.8M
Q3 25
$50.3M
$34.5M
Q2 25
$47.3M
$28.6M
Q1 25
$47.5M
$20.5M
Q4 24
$44.0M
$25.4M
Q3 24
$46.2M
$19.3M
Q2 24
$43.8M
$31.2M
Q1 24
$39.7M
$23.6M
Gross Margin
QLYS
QLYS
USAC
USAC
Q4 25
83.4%
Q3 25
83.6%
Q2 25
82.4%
Q1 25
81.9%
Q4 24
81.8%
Q3 24
81.3%
Q2 24
82.2%
Q1 24
81.3%
Operating Margin
QLYS
QLYS
USAC
USAC
Q4 25
33.6%
30.3%
Q3 25
35.3%
33.5%
Q2 25
31.3%
30.6%
Q1 25
32.4%
28.3%
Q4 24
31.0%
30.3%
Q3 24
29.2%
31.5%
Q2 24
32.3%
32.9%
Q1 24
30.7%
29.2%
Net Margin
QLYS
QLYS
USAC
USAC
Q4 25
30.3%
11.0%
Q3 25
29.6%
13.8%
Q2 25
28.8%
11.4%
Q1 25
29.7%
8.4%
Q4 24
27.6%
10.3%
Q3 24
30.0%
8.1%
Q2 24
29.4%
13.3%
Q1 24
27.2%
10.3%
EPS (diluted)
QLYS
QLYS
USAC
USAC
Q4 25
$1.47
Q3 25
$1.39
Q2 25
$1.29
Q1 25
$1.29
Q4 24
$1.19
Q3 24
$1.24
Q2 24
$1.17
Q1 24
$1.05

Balance Sheet & Financial Strength

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

Metric
QLYS
QLYS
USAC
USAC
Cash + ST InvestmentsLiquidity on hand
$250.3M
$8.6M
Total DebtLower is stronger
$2.5B
Stockholders' EquityBook value
$561.2M
Total Assets
$1.1B
$2.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
QLYS
QLYS
USAC
USAC
Q4 25
$250.3M
$8.6M
Q3 25
$225.3M
Q2 25
$194.0M
$2.0K
Q1 25
$290.7M
$2.0K
Q4 24
$232.2M
$14.0K
Q3 24
$235.4M
$79.0K
Q2 24
$281.2M
$9.0K
Q1 24
$273.8M
$8.0K
Total Debt
QLYS
QLYS
USAC
USAC
Q4 25
$2.5B
Q3 25
$2.5B
Q2 25
$2.5B
Q1 25
$2.5B
Q4 24
$2.5B
Q3 24
$2.5B
Q2 24
$2.5B
Q1 24
$2.5B
Stockholders' Equity
QLYS
QLYS
USAC
USAC
Q4 25
$561.2M
Q3 25
$529.4M
Q2 25
$508.2M
Q1 25
$498.0M
Q4 24
$477.1M
Q3 24
$449.6M
Q2 24
$427.8M
Q1 24
$404.2M
Total Assets
QLYS
QLYS
USAC
USAC
Q4 25
$1.1B
$2.6B
Q3 25
$1.0B
$2.7B
Q2 25
$999.5M
$2.7B
Q1 25
$996.5M
$2.7B
Q4 24
$973.5M
$2.7B
Q3 24
$908.3M
$2.8B
Q2 24
$876.6M
$2.8B
Q1 24
$861.8M
$2.8B

Cash Flow & Capital Efficiency

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

Metric
QLYS
QLYS
USAC
USAC
Operating Cash FlowLast quarter
$75.7M
$139.5M
Free Cash FlowOCF − Capex
$74.9M
$87.7M
FCF MarginFCF / Revenue
42.8%
34.8%
Capex IntensityCapex / Revenue
0.4%
20.5%
Cash ConversionOCF / Net Profit
1.42×
5.02×
TTM Free Cash FlowTrailing 4 quarters
$304.4M
$277.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
QLYS
QLYS
USAC
USAC
Q4 25
$75.7M
$139.5M
Q3 25
$90.4M
$75.9M
Q2 25
$33.8M
$124.2M
Q1 25
$109.6M
$54.7M
Q4 24
$47.7M
$130.2M
Q3 24
$61.0M
$48.5M
Q2 24
$49.8M
$96.7M
Q1 24
$85.5M
$65.9M
Free Cash Flow
QLYS
QLYS
USAC
USAC
Q4 25
$74.9M
$87.7M
Q3 25
$89.5M
$51.9M
Q2 25
$32.4M
$101.1M
Q1 25
$107.5M
$36.3M
Q4 24
$41.9M
$101.2M
Q3 24
$57.6M
$19.8M
Q2 24
$48.8M
$48.2M
Q1 24
$83.5M
$-32.7M
FCF Margin
QLYS
QLYS
USAC
USAC
Q4 25
42.8%
34.8%
Q3 25
52.7%
20.7%
Q2 25
19.8%
40.4%
Q1 25
67.3%
14.8%
Q4 24
26.3%
41.1%
Q3 24
37.4%
8.2%
Q2 24
32.8%
20.5%
Q1 24
57.2%
-14.3%
Capex Intensity
QLYS
QLYS
USAC
USAC
Q4 25
0.4%
20.5%
Q3 25
0.5%
9.6%
Q2 25
0.8%
9.3%
Q1 25
1.3%
7.5%
Q4 24
3.7%
11.8%
Q3 24
2.2%
12.0%
Q2 24
0.7%
20.6%
Q1 24
1.4%
43.0%
Cash Conversion
QLYS
QLYS
USAC
USAC
Q4 25
1.42×
5.02×
Q3 25
1.80×
2.20×
Q2 25
0.71×
4.35×
Q1 25
2.31×
2.66×
Q4 24
1.09×
5.12×
Q3 24
1.32×
2.51×
Q2 24
1.14×
3.10×
Q1 24
2.15×
2.80×

Financial Flow Comparison

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

Revenue Breakdown by Segment

QLYS
QLYS

Sales Channel Through Intermediary$88.6M51%
Sales Channel Directly To Consumer$86.7M49%

USAC
USAC

Revenue From Contract Operations Excluding Revenue From Related Party$231.7M92%
Entities Affiliated With Energy Transfer LP$16.6M7%
Transferred At Point In Time$5.4M2%

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