vs

Side-by-side financial comparison of STERLING INFRASTRUCTURE, INC. (STRL) and Zscaler, Inc. (ZS). Click either name above to swap in a different company.

Zscaler, Inc. is the larger business by last-quarter revenue ($788.1M vs $755.6M, roughly 1.0× STERLING INFRASTRUCTURE, INC.). STERLING INFRASTRUCTURE, INC. runs the higher net margin — 11.6% vs -1.5%, a 13.1% gap on every dollar of revenue. On growth, STERLING INFRASTRUCTURE, INC. posted the faster year-over-year revenue change (51.5% vs 25.5%). Zscaler, Inc. produced more free cash flow last quarter ($431.0M vs $159.7M). Over the past eight quarters, STERLING INFRASTRUCTURE, INC.'s revenue compounded faster (31.0% CAGR vs 22.5%).

Sterling & Wilson is an Indian multinational engineering, procurement, and construction (EPC) company headquartered in Mumbai, Maharashtra. It operates across multiple sectors including renewable energy, data centers, diesel power generation, and mechanical, electrical, and plumbing (MEP) services. The company has delivered projects in over 30 countries, with execution teams located across Asia, the Middle East, Africa, Europe, and Australia.

Zscaler, Inc. is an American cloud security company based in San Jose, California. The company offers cloud-based services to protect enterprise networks and data.

STRL vs ZS — Head-to-Head

Bigger by revenue
ZS
ZS
1.0× larger
ZS
$788.1M
$755.6M
STRL
Growing faster (revenue YoY)
STRL
STRL
+26.0% gap
STRL
51.5%
25.5%
ZS
Higher net margin
STRL
STRL
13.1% more per $
STRL
11.6%
-1.5%
ZS
More free cash flow
ZS
ZS
$271.3M more FCF
ZS
$431.0M
$159.7M
STRL
Faster 2-yr revenue CAGR
STRL
STRL
Annualised
STRL
31.0%
22.5%
ZS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
STRL
STRL
ZS
ZS
Revenue
$755.6M
$788.1M
Net Profit
$87.6M
$-11.6M
Gross Margin
21.7%
76.6%
Operating Margin
15.9%
-4.6%
Net Margin
11.6%
-1.5%
Revenue YoY
51.5%
25.5%
Net Profit YoY
-22.6%
3.6%
EPS (diluted)
$2.82
$-0.07

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
STRL
STRL
ZS
ZS
Q4 25
$755.6M
$788.1M
Q3 25
$689.0M
$719.2M
Q2 25
$614.5M
$678.0M
Q1 25
$430.9M
$647.9M
Q4 24
$498.8M
$628.0M
Q3 24
$593.7M
$592.9M
Q2 24
$582.8M
$553.2M
Q1 24
$440.4M
$525.0M
Net Profit
STRL
STRL
ZS
ZS
Q4 25
$87.6M
$-11.6M
Q3 25
$92.1M
$-17.6M
Q2 25
$71.0M
$-4.1M
Q1 25
$39.5M
$-7.7M
Q4 24
$113.2M
$-12.1M
Q3 24
$61.3M
$-14.9M
Q2 24
$51.9M
$19.1M
Q1 24
$31.0M
$-28.5M
Gross Margin
STRL
STRL
ZS
ZS
Q4 25
21.7%
76.6%
Q3 25
24.7%
76.1%
Q2 25
23.3%
77.0%
Q1 25
22.0%
77.1%
Q4 24
21.4%
77.5%
Q3 24
21.9%
78.0%
Q2 24
19.3%
78.6%
Q1 24
17.5%
77.7%
Operating Margin
STRL
STRL
ZS
ZS
Q4 25
15.9%
-4.6%
Q3 25
18.2%
-4.5%
Q2 25
17.0%
-3.7%
Q1 25
13.0%
-6.2%
Q4 24
12.5%
-4.9%
Q3 24
14.7%
-4.5%
Q2 24
12.5%
-0.5%
Q1 24
9.6%
-8.7%
Net Margin
STRL
STRL
ZS
ZS
Q4 25
11.6%
-1.5%
Q3 25
13.4%
-2.4%
Q2 25
11.6%
-0.6%
Q1 25
9.2%
-1.2%
Q4 24
22.7%
-1.9%
Q3 24
10.3%
-2.5%
Q2 24
8.9%
3.5%
Q1 24
7.1%
-5.4%
EPS (diluted)
STRL
STRL
ZS
ZS
Q4 25
$2.82
$-0.07
Q3 25
$2.97
$-0.11
Q2 25
$2.31
$-0.03
Q1 25
$1.28
$-0.05
Q4 24
$3.63
$-0.08
Q3 24
$1.97
$-0.09
Q2 24
$1.67
$0.12
Q1 24
$1.00
$-0.19

Balance Sheet & Financial Strength

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

Metric
STRL
STRL
ZS
ZS
Cash + ST InvestmentsLiquidity on hand
$390.7M
$1.3B
Total DebtLower is stronger
Stockholders' EquityBook value
$1.1B
$2.0B
Total Assets
$2.6B
$6.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
STRL
STRL
ZS
ZS
Q4 25
$390.7M
$1.3B
Q3 25
$306.4M
$2.4B
Q2 25
$699.4M
$2.0B
Q1 25
$638.6M
$1.8B
Q4 24
$664.2M
$1.6B
Q3 24
$648.1M
$1.4B
Q2 24
$540.0M
$1.3B
Q1 24
$480.4M
$1.4B
Total Debt
STRL
STRL
ZS
ZS
Q4 25
Q3 25
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.1B
Stockholders' Equity
STRL
STRL
ZS
ZS
Q4 25
$1.1B
$2.0B
Q3 25
$1.1B
$1.8B
Q2 25
$881.7M
$1.8B
Q1 25
$805.4M
$1.6B
Q4 24
$808.1M
$1.4B
Q3 24
$716.5M
$1.3B
Q2 24
$670.7M
$1.1B
Q1 24
$644.6M
$958.9M
Total Assets
STRL
STRL
ZS
ZS
Q4 25
$2.6B
$6.5B
Q3 25
$2.6B
$6.4B
Q2 25
$2.2B
$5.3B
Q1 25
$2.0B
$5.0B
Q4 24
$2.0B
$4.7B
Q3 24
$2.0B
$4.7B
Q2 24
$2.0B
$4.2B
Q1 24
$1.8B
$3.9B
Debt / Equity
STRL
STRL
ZS
ZS
Q4 25
Q3 25
Q2 25
0.64×
Q1 25
0.71×
Q4 24
0.80×
Q3 24
0.90×
Q2 24
1.04×
Q1 24
1.19×

Cash Flow & Capital Efficiency

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

Metric
STRL
STRL
ZS
ZS
Operating Cash FlowLast quarter
$186.1M
$448.3M
Free Cash FlowOCF − Capex
$159.7M
$431.0M
FCF MarginFCF / Revenue
21.1%
54.7%
Capex IntensityCapex / Revenue
3.5%
2.2%
Cash ConversionOCF / Net Profit
2.12×
TTM Free Cash FlowTrailing 4 quarters
$362.7M
$924.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
STRL
STRL
ZS
ZS
Q4 25
$186.1M
$448.3M
Q3 25
$83.6M
$250.6M
Q2 25
$85.4M
$211.1M
Q1 25
$84.9M
$179.4M
Q4 24
$174.3M
$331.3M
Q3 24
$152.3M
$203.6M
Q2 24
$121.0M
$173.4M
Q1 24
$49.6M
$142.1M
Free Cash Flow
STRL
STRL
ZS
ZS
Q4 25
$159.7M
$431.0M
Q3 25
$64.0M
$190.6M
Q2 25
$72.1M
$138.9M
Q1 25
$67.0M
$164.4M
Q4 24
$158.6M
$314.3M
Q3 24
$138.3M
$154.2M
Q2 24
$92.1M
$137.8M
Q1 24
$27.2M
$111.2M
FCF Margin
STRL
STRL
ZS
ZS
Q4 25
21.1%
54.7%
Q3 25
9.3%
26.5%
Q2 25
11.7%
20.5%
Q1 25
15.5%
25.4%
Q4 24
31.8%
50.1%
Q3 24
23.3%
26.0%
Q2 24
15.8%
24.9%
Q1 24
6.2%
21.2%
Capex Intensity
STRL
STRL
ZS
ZS
Q4 25
3.5%
2.2%
Q3 25
2.9%
8.3%
Q2 25
2.2%
10.6%
Q1 25
4.2%
2.3%
Q4 24
3.1%
2.7%
Q3 24
2.4%
8.3%
Q2 24
5.0%
6.4%
Q1 24
5.1%
5.9%
Cash Conversion
STRL
STRL
ZS
ZS
Q4 25
2.12×
Q3 25
0.91×
Q2 25
1.20×
Q1 25
2.15×
Q4 24
1.54×
Q3 24
2.48×
Q2 24
2.33×
9.07×
Q1 24
1.60×

Financial Flow Comparison

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

Revenue Breakdown by Segment

STRL
STRL

Lump Sum$464.9M62%
Heavy Highway$99.6M13%
Residential Construction$70.4M9%
Road And Highway Builders LLC$52.4M7%
Other Revenue$36.6M5%
Aviation$16.6M2%
Commercial$11.4M2%
Related Party$600.0K0%

ZS
ZS

Segment breakdown not available.

Related Comparisons