vs

Side-by-side financial comparison of Primoris Services Corp (PRIM) and WESTLAKE CORP (WLK). Click either name above to swap in a different company.

WESTLAKE CORP is the larger business by last-quarter revenue ($2.5B vs $1.9B, roughly 1.4× Primoris Services Corp). Primoris Services Corp runs the higher net margin — 2.8% vs -21.5%, a 24.3% gap on every dollar of revenue. On growth, Primoris Services Corp posted the faster year-over-year revenue change (6.7% vs -10.9%). Primoris Services Corp produced more free cash flow last quarter ($121.1M vs $-16.0M). Over the past eight quarters, Primoris Services Corp's revenue compounded faster (14.7% CAGR vs -7.7%).

Primoris Services Corporation is a publicly traded specialty construction and infrastructure company based in the United States, with a particular focus on pipelines for natural gas, wastewater and water. As of 2014 it was a Fortune 1000 company.

Westlake Corporation is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets. The company was founded by Ting Tsung Chao in 1986. it is the largest producer of low-density polyethylene (LDPE) in the US and ranks among the Forbes Global 2000. Westlake Chemical operates in two segments: Olefins and Vinyls, and is also an integrated producer of vinyls, with substantial downstream ...

PRIM vs WLK — Head-to-Head

Bigger by revenue
WLK
WLK
1.4× larger
WLK
$2.5B
$1.9B
PRIM
Growing faster (revenue YoY)
PRIM
PRIM
+17.6% gap
PRIM
6.7%
-10.9%
WLK
Higher net margin
PRIM
PRIM
24.3% more per $
PRIM
2.8%
-21.5%
WLK
More free cash flow
PRIM
PRIM
$137.1M more FCF
PRIM
$121.1M
$-16.0M
WLK
Faster 2-yr revenue CAGR
PRIM
PRIM
Annualised
PRIM
14.7%
-7.7%
WLK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PRIM
PRIM
WLK
WLK
Revenue
$1.9B
$2.5B
Net Profit
$51.7M
$-544.0M
Gross Margin
9.4%
3.4%
Operating Margin
4.2%
-26.5%
Net Margin
2.8%
-21.5%
Revenue YoY
6.7%
-10.9%
Net Profit YoY
-4.2%
-7871.4%
EPS (diluted)
$0.94
$-4.22

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
PRIM
PRIM
WLK
WLK
Q4 25
$1.9B
$2.5B
Q3 25
$2.2B
$2.8B
Q2 25
$1.9B
$3.0B
Q1 25
$1.6B
$2.8B
Q4 24
$1.7B
$2.8B
Q3 24
$1.6B
$3.1B
Q2 24
$1.6B
$3.2B
Q1 24
$1.4B
$3.0B
Net Profit
PRIM
PRIM
WLK
WLK
Q4 25
$51.7M
$-544.0M
Q3 25
$94.6M
$-782.0M
Q2 25
$84.3M
$-142.0M
Q1 25
$44.2M
$-40.0M
Q4 24
$54.0M
$7.0M
Q3 24
$58.4M
$108.0M
Q2 24
$49.5M
$313.0M
Q1 24
$18.9M
$174.0M
Gross Margin
PRIM
PRIM
WLK
WLK
Q4 25
9.4%
3.4%
Q3 25
10.8%
8.3%
Q2 25
12.3%
8.7%
Q1 25
10.4%
8.2%
Q4 24
10.6%
11.5%
Q3 24
12.0%
16.0%
Q2 24
11.9%
20.7%
Q1 24
9.4%
15.7%
Operating Margin
PRIM
PRIM
WLK
WLK
Q4 25
4.2%
-26.5%
Q3 25
6.3%
-27.0%
Q2 25
6.7%
-3.7%
Q1 25
4.3%
-1.1%
Q4 24
5.0%
2.3%
Q3 24
6.0%
5.8%
Q2 24
5.5%
12.7%
Q1 24
3.1%
7.5%
Net Margin
PRIM
PRIM
WLK
WLK
Q4 25
2.8%
-21.5%
Q3 25
4.3%
-27.6%
Q2 25
4.5%
-4.8%
Q1 25
2.7%
-1.4%
Q4 24
3.1%
0.2%
Q3 24
3.5%
3.5%
Q2 24
3.2%
9.8%
Q1 24
1.3%
5.8%
EPS (diluted)
PRIM
PRIM
WLK
WLK
Q4 25
$0.94
$-4.22
Q3 25
$1.73
$-6.06
Q2 25
$1.54
$-1.11
Q1 25
$0.81
$-0.31
Q4 24
$0.98
$0.07
Q3 24
$1.07
$0.83
Q2 24
$0.91
$2.40
Q1 24
$0.35
$1.34

Balance Sheet & Financial Strength

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

Metric
PRIM
PRIM
WLK
WLK
Cash + ST InvestmentsLiquidity on hand
$535.5M
$2.7B
Total DebtLower is stronger
$469.9M
$5.6B
Stockholders' EquityBook value
$1.7B
$8.8B
Total Assets
$4.4B
$20.0B
Debt / EquityLower = less leverage
0.28×
0.64×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRIM
PRIM
WLK
WLK
Q4 25
$535.5M
$2.7B
Q3 25
$431.4M
$1.9B
Q2 25
$390.3M
$2.1B
Q1 25
$351.6M
$2.3B
Q4 24
$455.8M
$2.9B
Q3 24
$352.7M
$2.9B
Q2 24
$207.4M
$3.0B
Q1 24
$177.6M
$3.1B
Total Debt
PRIM
PRIM
WLK
WLK
Q4 25
$469.9M
$5.6B
Q3 25
$486.0M
$4.7B
Q2 25
$603.1M
$4.7B
Q1 25
$612.0M
$4.6B
Q4 24
$734.8M
$4.6B
Q3 24
$903.7M
$4.6B
Q2 24
$933.0M
$4.9B
Q1 24
$951.7M
$4.9B
Stockholders' Equity
PRIM
PRIM
WLK
WLK
Q4 25
$1.7B
$8.8B
Q3 25
$1.6B
$9.4B
Q2 25
$1.5B
$10.3B
Q1 25
$1.4B
$10.4B
Q4 24
$1.4B
$10.5B
Q3 24
$1.4B
$10.7B
Q2 24
$1.3B
$10.6B
Q1 24
$1.2B
$10.3B
Total Assets
PRIM
PRIM
WLK
WLK
Q4 25
$4.4B
$20.0B
Q3 25
$4.6B
$19.8B
Q2 25
$4.5B
$20.8B
Q1 25
$4.2B
$20.7B
Q4 24
$4.2B
$20.8B
Q3 24
$4.2B
$21.1B
Q2 24
$4.0B
$21.1B
Q1 24
$4.0B
$21.0B
Debt / Equity
PRIM
PRIM
WLK
WLK
Q4 25
0.28×
0.64×
Q3 25
0.30×
0.49×
Q2 25
0.39×
0.45×
Q1 25
0.42×
0.44×
Q4 24
0.52×
0.43×
Q3 24
0.67×
0.43×
Q2 24
0.72×
0.46×
Q1 24
0.76×
0.47×

Cash Flow & Capital Efficiency

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

Metric
PRIM
PRIM
WLK
WLK
Operating Cash FlowLast quarter
$142.9M
$225.0M
Free Cash FlowOCF − Capex
$121.1M
$-16.0M
FCF MarginFCF / Revenue
6.5%
-0.6%
Capex IntensityCapex / Revenue
1.2%
9.5%
Cash ConversionOCF / Net Profit
2.76×
TTM Free Cash FlowTrailing 4 quarters
$340.5M
$-530.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRIM
PRIM
WLK
WLK
Q4 25
$142.9M
$225.0M
Q3 25
$182.9M
$182.0M
Q2 25
$78.5M
$135.0M
Q1 25
$66.2M
$-77.0M
Q4 24
$298.3M
$434.0M
Q3 24
$222.5M
$474.0M
Q2 24
$16.1M
$237.0M
Q1 24
$-28.5M
$169.0M
Free Cash Flow
PRIM
PRIM
WLK
WLK
Q4 25
$121.1M
$-16.0M
Q3 25
$148.4M
$-57.0M
Q2 25
$45.3M
$-132.0M
Q1 25
$25.6M
$-325.0M
Q4 24
$270.0M
$149.0M
Q3 24
$158.8M
$254.0M
Q2 24
$-8.1M
$6.0M
Q1 24
$-38.9M
$-103.0M
FCF Margin
PRIM
PRIM
WLK
WLK
Q4 25
6.5%
-0.6%
Q3 25
6.8%
-2.0%
Q2 25
2.4%
-4.5%
Q1 25
1.6%
-11.4%
Q4 24
15.5%
5.2%
Q3 24
9.6%
8.1%
Q2 24
-0.5%
0.2%
Q1 24
-2.8%
-3.5%
Capex Intensity
PRIM
PRIM
WLK
WLK
Q4 25
1.2%
9.5%
Q3 25
1.6%
8.4%
Q2 25
1.8%
9.0%
Q1 25
2.5%
8.7%
Q4 24
1.6%
10.0%
Q3 24
3.9%
7.1%
Q2 24
1.5%
7.2%
Q1 24
0.7%
9.1%
Cash Conversion
PRIM
PRIM
WLK
WLK
Q4 25
2.76×
Q3 25
1.93×
Q2 25
0.93×
Q1 25
1.50×
Q4 24
5.53×
62.00×
Q3 24
3.81×
4.39×
Q2 24
0.32×
0.76×
Q1 24
-1.50×
0.97×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRIM
PRIM

Energy Segment$1.2B64%
Unit Price Contracts$473.7M25%
Cost Reimbursable Contracts$121.3M7%
Other$74.9M4%

WLK
WLK

Performance Materials$930.0M37%
Housing Products$767.0M30%
Essential Materials$702.0M28%
Infrastructure Products$134.0M5%

Related Comparisons