Prices as of 2026/10/30 close
Company comparison · Port & Marine Civil Engineering
Kajima is the largest by revenue at ¥3.1T, followed by Taisei (¥2.1T), Penta-Ocean (¥794.3B) and TOA (¥358.7B).
Taisei has the highest operating margin at 9.0%, 2.3 points above the lowest, TOA (6.7%).
Revenue growth in the latest results: Penta-Ocean +9.2%, TOA +8.5%, Kajima +5.3%, Taisei −3.0%. For next year, Penta-Ocean guides for the fastest operating profit growth (+6.7%).
Kajima pays the most on average (¥12.5M), ¥3.10M more than Penta-Ocean (¥9.36M).
Over the past year the shares moved Taisei +1.6%, Penta-Ocean −1.4%, Kajima −3.9%, TOA −10.0%.
Head-to-head wins17 metrics
One win per metric for the company with the best value. Metrics with no better or worse (P/E, average age, employees) are excluded.
ScaleInvestors
Kajima aheadKajima 3 : Taisei 0 : Penta-Ocean 0 : TOA 0
Revenue: Kajima ¥3.1T / Taisei ¥2.1T / Penta-Ocean ¥794.3B / TOA ¥358.7B
ProfitabilityInvestors
Taisei aheadKajima 1 : Taisei 2 : Penta-Ocean 1 : TOA 0
Operating margin: Kajima 7.8% / Taisei 9.0% / Penta-Ocean 7.0% / TOA 6.7%
GrowthInvestors
Penta-Ocean aheadKajima 1 : Taisei 1 : Penta-Ocean 3 : TOA 0
Revenue growth (YoY): Kajima +5.3% / Taisei −3.0% / Penta-Ocean +9.2% / TOA +8.5%
Stock & balance sheetInvestors
TOA aheadKajima 0 : Taisei 1 : Penta-Ocean 0 : TOA 2
Share price, 1 year: Kajima −3.9% / Taisei +1.6% / Penta-Ocean −1.4% / TOA −10.0%
Pay & workforceJob seekers
EvenKajima 1 : Taisei 0 : Penta-Ocean 0 : TOA 1
Average salary: Kajima ¥12.5M / Taisei ¥10.6M / Penta-Ocean ¥9.36M / TOA ¥10.2M
| Metric | Kajima | Taisei | Penta-Ocean | TOA |
|---|---|---|---|---|
| Revenue | ◎¥3.1T | ¥2.1T | ¥794.3B | ¥358.7B |
| Operating profit | ◎¥240.8B | ¥188.0B | ¥55.3B | ¥24.2B |
| Net income | ◎¥177.3B | ¥170.0B | ¥34.7B | ¥19.4B |
| Metric | Kajima | Taisei | Penta-Ocean | TOA |
|---|---|---|---|---|
| Operating margin | 7.8% | ◎9.0% | 7.0% | 6.7% |
| Net margin | 5.8% | ◎8.1% | 4.4% | 5.4% |
| ROE | — | — | ◎18.7% | 17.4% |
| Revenue per employee | ◎¥342M | ¥232M | ¥231M | ¥191M |
| Metric | Kajima | Taisei | Penta-Ocean | TOA |
|---|---|---|---|---|
| Revenue growth (YoY) | +5.3% | −3.0% | ◎+9.2% | +8.5% |
| Operating profit growth (YoY) | +58.5% | +56.4% | ◎+154.9% | +17.3% |
| Revenue CAGRlast 5 years | ◎+10.0% | +7.1% | — | — |
| Guidance: revenue growthnext FY plan | −5.5% | ◎+15.8% | +3.0% | +0.4% |
| Guidance: op. profit growthnext FY plan | −16.9% | +0.0% | ◎+6.7% | −12.8% |
| Metric | Kajima | Taisei | Penta-Ocean | TOA |
|---|---|---|---|---|
| Share price, 1 year | −3.9% | ◎+1.6% | −1.4% | −10.0% |
| Share price, 3 months | −12.1% | −14.6% | −7.3% | ◎+1.4% |
| P/E (trailing)lower = cheaper | — | — | 10.8x | 8.3x |
| Equity ratio | — | — | 25.2% | ◎38.6% |
| Share price (close) | ¥4,729 | ¥11,140 | ¥1,354 | ¥2,053 |
◎ marks the best value for each metric. Revenue and profit are from the latest full-year earnings release; share prices are closing-price references; P/E = latest close ÷ trailing EPS. For banks and some other financials, revenue means ordinary income.
| Metric | Kajima | Taisei | Penta-Ocean | TOA |
|---|---|---|---|---|
| Average salary | ◎¥12.5M | ¥10.6M | ¥9.36M | ¥10.2M |
| Starting salary (monthly) | ¥300,000 | ¥300,000 | ¥300,000 | ¥300,000 |
| Average tenure | 15.7 yrs | 17.2 yrs | 16.7 yrs | ◎17.8 yrs |
| Average age | 41.2 | 42.4 | 41.3 | 44.0 |
| Employees | 8,959 | 8,994 | 3,439 | 1,880 |
Average salary is for the reporting (parent) company and is affected by average age and job mix. Holding companies with few employees are left out of the salary comparison.
Close (Oct 30, 2026)
¥4,729-3.9% (1Y)
Kajima -3.9% over 1Y. Compared: Taisei +1.6%, Penta-Ocean -1.4%, TOA -10.0%.
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Each line shows the % change from the start of the period. Updated Oct 30, 2026.
Kajima4 segments
Taisei3 segments
Penta-Ocean4 segments
TOA4 segments
AAverage annual salary from the securities filings: Kajima ¥12.5M, Taisei ¥10.6M, TOA ¥10.2M, Penta-Ocean ¥9.36M. Kajima pays the most. Averages also depend on staff age and job mix, so check the average age too (Kajima 41.2, Taisei 42.4, Penta-Ocean 41.3, TOA 44.0).
ARevenue in the latest results: Kajima ¥3.1T, Taisei ¥2.1T, Penta-Ocean ¥794.3B, TOA ¥358.7B. Kajima is the largest by revenue at ¥3.1T, followed by Taisei (¥2.1T), Penta-Ocean (¥794.3B) and TOA (¥358.7B).
AOperating margins: Taisei 9.0%, Kajima 7.8%, Penta-Ocean 7.0%, TOA 6.7%. Taisei turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): Taisei +1.6%, Penta-Ocean −1.4%, Kajima −3.9%, TOA −10.0%. Taisei has risen the most.
Comparing 4 companies (up to 4)
Sources: earnings releases (kessan tanshin), annual securities reports and other public information. Share prices are closing-price references, not real-time. Our data may contain errors; investment decisions are your own responsibility.
