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Side-by-side financial comparison of OCEANEERING INTERNATIONAL INC (OII) and ADVANCED DRAINAGE SYSTEMS, INC. (WMS). Click either name above to swap in a different company.

ADVANCED DRAINAGE SYSTEMS, INC. is the larger business by last-quarter revenue ($693.4M vs $692.4M, roughly 1.0× OCEANEERING INTERNATIONAL INC). ADVANCED DRAINAGE SYSTEMS, INC. runs the higher net margin — 13.5% vs 5.2%, a 8.3% gap on every dollar of revenue. On growth, OCEANEERING INTERNATIONAL INC posted the faster year-over-year revenue change (3.6% vs 0.4%). ADVANCED DRAINAGE SYSTEMS, INC. produced more free cash flow last quarter ($183.6M vs $-76.5M). Over the past eight quarters, ADVANCED DRAINAGE SYSTEMS, INC.'s revenue compounded faster (3.0% CAGR vs 1.8%).

Oceaneering International, Inc. is a subsea engineering and applied technology company based in Houston, Texas, U.S. that provides engineered services and hardware to customers who operate in marine, space, and other environments.

Advanced Drainage Systems, Inc. (ADS) is an American company that designs, manufactures and markets polypropylene and polyethylene pipes, plastic leach field chambers and systems, septic tanks and accessories, storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators. It is the largest maker of high-density polyethylene pipe in the United States. It is headquartered in Hilliard, Ohio. In 2020, 93% of the company's s...

OII vs WMS — Head-to-Head

Bigger by revenue
WMS
WMS
1.0× larger
WMS
$693.4M
$692.4M
OII
Growing faster (revenue YoY)
OII
OII
+3.2% gap
OII
3.6%
0.4%
WMS
Higher net margin
WMS
WMS
8.3% more per $
WMS
13.5%
5.2%
OII
More free cash flow
WMS
WMS
$260.1M more FCF
WMS
$183.6M
$-76.5M
OII
Faster 2-yr revenue CAGR
WMS
WMS
Annualised
WMS
3.0%
1.8%
OII

Income Statement — Q1 FY2026 vs Q3 FY2026

Metric
OII
OII
WMS
WMS
Revenue
$692.4M
$693.4M
Net Profit
$36.1M
$93.6M
Gross Margin
37.4%
Operating Margin
19.7%
Net Margin
5.2%
13.5%
Revenue YoY
3.6%
0.4%
Net Profit YoY
-28.3%
15.3%
EPS (diluted)
$0.36
$1.19

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
OII
OII
WMS
WMS
Q1 26
$692.4M
Q4 25
$668.6M
$693.4M
Q3 25
$742.9M
$850.4M
Q2 25
$698.2M
$829.9M
Q1 25
$674.5M
$615.8M
Q4 24
$713.5M
$690.5M
Q3 24
$679.8M
$782.6M
Q2 24
$668.8M
$815.3M
Net Profit
OII
OII
WMS
WMS
Q1 26
$36.1M
Q4 25
$177.7M
$93.6M
Q3 25
$71.3M
$156.0M
Q2 25
$54.4M
$143.9M
Q1 25
$50.4M
$77.2M
Q4 24
$56.1M
$81.2M
Q3 24
$41.2M
$130.4M
Q2 24
$35.0M
$161.4M
Gross Margin
OII
OII
WMS
WMS
Q1 26
Q4 25
19.8%
37.4%
Q3 25
20.6%
40.0%
Q2 25
21.3%
39.8%
Q1 25
20.0%
36.7%
Q4 24
19.9%
35.0%
Q3 24
19.3%
37.6%
Q2 24
18.0%
40.8%
Operating Margin
OII
OII
WMS
WMS
Q1 26
Q4 25
9.8%
19.7%
Q3 25
11.6%
26.3%
Q2 25
11.3%
24.8%
Q1 25
10.9%
19.0%
Q4 24
10.9%
18.4%
Q3 24
10.5%
23.9%
Q2 24
9.0%
27.7%
Net Margin
OII
OII
WMS
WMS
Q1 26
5.2%
Q4 25
26.6%
13.5%
Q3 25
9.6%
18.3%
Q2 25
7.8%
17.3%
Q1 25
7.5%
12.5%
Q4 24
7.9%
11.8%
Q3 24
6.1%
16.7%
Q2 24
5.2%
19.8%
EPS (diluted)
OII
OII
WMS
WMS
Q1 26
$0.36
Q4 25
$1.75
$1.19
Q3 25
$0.71
$1.99
Q2 25
$0.54
$1.84
Q1 25
$0.49
$0.99
Q4 24
$0.55
$1.04
Q3 24
$0.40
$1.67
Q2 24
$0.34
$2.06

Balance Sheet & Financial Strength

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

Metric
OII
OII
WMS
WMS
Cash + ST InvestmentsLiquidity on hand
$1.0B
Total DebtLower is stronger
$488.8M
Stockholders' EquityBook value
$1.1B
$1.9B
Total Assets
$2.6B
$4.1B
Debt / EquityLower = less leverage
0.44×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OII
OII
WMS
WMS
Q1 26
Q4 25
$695.9M
$1.0B
Q3 25
$7.0M
$812.9M
Q2 25
$7.0M
$638.3M
Q1 25
$7.0M
$463.3M
Q4 24
$504.5M
$488.9M
Q3 24
$613.0M
Q2 24
$541.6M
Total Debt
OII
OII
WMS
WMS
Q1 26
$488.8M
Q4 25
$487.4M
Q3 25
Q2 25
Q1 25
$1.3B
Q4 24
$482.0M
Q3 24
Q2 24
Stockholders' Equity
OII
OII
WMS
WMS
Q1 26
$1.1B
Q4 25
$1.1B
$1.9B
Q3 25
$907.7M
$1.8B
Q2 25
$842.1M
$1.7B
Q1 25
$773.1M
$1.5B
Q4 24
$714.3M
$1.5B
Q3 24
$698.0M
$1.4B
Q2 24
$651.0M
$1.3B
Total Assets
OII
OII
WMS
WMS
Q1 26
$2.6B
Q4 25
$2.7B
$4.1B
Q3 25
$2.5B
$4.1B
Q2 25
$2.3B
$3.9B
Q1 25
$2.3B
$3.7B
Q4 24
$2.3B
$3.6B
Q3 24
$2.4B
$3.5B
Q2 24
$2.3B
$3.4B
Debt / Equity
OII
OII
WMS
WMS
Q1 26
0.44×
Q4 25
0.46×
Q3 25
Q2 25
Q1 25
0.83×
Q4 24
0.67×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
OII
OII
WMS
WMS
Operating Cash FlowLast quarter
$269.3M
Free Cash FlowOCF − Capex
$-76.5M
$183.6M
FCF MarginFCF / Revenue
-11.1%
26.5%
Capex IntensityCapex / Revenue
2.5%
12.4%
Cash ConversionOCF / Net Profit
2.88×
TTM Free Cash FlowTrailing 4 quarters
$238.1M
$577.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OII
OII
WMS
WMS
Q1 26
Q4 25
$221.1M
$269.3M
Q3 25
$101.3M
$234.9M
Q2 25
$77.2M
$275.0M
Q1 25
$-80.7M
$41.2M
Q4 24
$128.4M
$189.9M
Q3 24
$91.9M
$166.9M
Q2 24
$52.6M
$183.4M
Free Cash Flow
OII
OII
WMS
WMS
Q1 26
$-76.5M
Q4 25
$190.7M
$183.6M
Q3 25
$77.0M
$176.4M
Q2 25
$46.9M
$222.4M
Q1 25
$-106.8M
$-5.3M
Q4 24
$94.5M
$135.7M
Q3 24
$67.0M
$112.4M
Q2 24
$29.8M
$125.7M
FCF Margin
OII
OII
WMS
WMS
Q1 26
-11.1%
Q4 25
28.5%
26.5%
Q3 25
10.4%
20.7%
Q2 25
6.7%
26.8%
Q1 25
-15.8%
-0.9%
Q4 24
13.2%
19.7%
Q3 24
9.9%
14.4%
Q2 24
4.5%
15.4%
Capex Intensity
OII
OII
WMS
WMS
Q1 26
2.5%
Q4 25
4.6%
12.4%
Q3 25
3.3%
6.9%
Q2 25
4.3%
6.3%
Q1 25
3.9%
7.6%
Q4 24
4.7%
7.9%
Q3 24
3.7%
7.0%
Q2 24
3.4%
7.1%
Cash Conversion
OII
OII
WMS
WMS
Q1 26
Q4 25
1.24×
2.88×
Q3 25
1.42×
1.51×
Q2 25
1.42×
1.91×
Q1 25
-1.60×
0.53×
Q4 24
2.29×
2.34×
Q3 24
2.23×
1.28×
Q2 24
1.50×
1.14×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OII
OII

Segment breakdown not available.

WMS
WMS

Reportable Segment Aggregation Before Other Operating Segment$557.3M80%
Other$85.5M12%
Pipe$35.5M5%
Allied Products And Other$15.0M2%

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