Half-year report · HY

Period2025-10-01 → 2026-03-31
Filed2026-05-15
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
MetricValuePeriodScopeSource row
Revenue¥11.4bn2025-10-01 → 2026-03-31Cons.Net sales
Revenue¥17.6bn2024-10-01 → 2025-09-30Cons.Net sales (5-year summary)
Revenue¥10.6bn2024-10-01 → 2025-03-31Cons.Net sales
Operating income¥784m2025-10-01 → 2026-03-31Cons.Operating income
Operating income¥855m2024-10-01 → 2025-03-31Cons.Operating income
Ordinary income¥825m2025-10-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥766m2024-10-01 → 2025-09-30Cons.Ordinary income loss (5-year summary)
Ordinary income¥887m2024-10-01 → 2025-03-31Cons.Ordinary income
Profit before tax¥837m2025-10-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥887m2024-10-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥554m2025-10-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥528m2024-10-01 → 2025-09-30Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥587m2024-10-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income¥554m2025-10-01 → 2026-03-31Cons.Profit loss
Net income¥587m2024-10-01 → 2025-03-31Cons.Profit loss
Total assets¥16.4bnat 2026-03-31Cons.Assets
Total assets¥14.3bnat 2025-09-30Cons.Assets
Total assets¥16.1bnat 2025-03-31Cons.Total assets (5-year summary)
Total liabilities¥6.5bnat 2026-03-31Cons.Liabilities
Total liabilities¥4.8bnat 2025-09-30Cons.Liabilities
Net assets / equity¥10.0bnat 2026-03-31Cons.Net assets
Net assets / equity¥9.5bnat 2025-09-30Cons.Net assets
Net assets / equity¥9.6bnat 2025-03-31Cons.Net assets (5-year summary)
Cash and deposits¥6.2bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥6.1bnat 2025-09-30Cons.Cash and deposits
Cash & equivalents¥5.4bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥5.3bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥6.2bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥6.4bnat 2024-09-30vCons.Cash and cash equivalents
Operating cash flow¥365m2025-10-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥505m2024-10-01 → 2025-09-30Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥214m2024-10-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Investing cash flow−¥72m2025-10-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥1.3bn2024-10-01 → 2025-09-30Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥235m2024-10-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Financing cash flow−¥216m2025-10-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥297m2024-10-01 → 2025-09-30Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥205m2024-10-01 → 2025-03-31Cons.Net cash provided by used in financing activities
EPS (basic)¥111.852025-10-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥101.692024-10-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥118.512024-10-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥45.432025-10-01 → 2026-03-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥43.272024-10-01 → 2025-09-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥48.142024-10-01 → 2025-03-31Cons.Diluted earnings per share (5-year summary)
Equity ratio60.8%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio66.5%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio59.8%at 2025-03-31Cons.Equity to asset ratio (5-year summary)

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

Segments · 20
SegmentItemPeriodValue
Reconciling Itemsreconcilingsegment profit2025-10-01 → 2026-03-31−¥461m
Construction Businessreportable segmentrevenue2025-10-01 → 2026-03-31¥9.7bn
Construction Businessreportable segmentrevenue external2025-10-01 → 2026-03-31¥9.7bn
Construction Businessreportable segmentsegment profit2025-10-01 → 2026-03-31¥1.1bn
Disaster Prevention Securityreportable segmentrevenue2025-10-01 → 2026-03-31¥1.7bn
Disaster Prevention Securityreportable segmentrevenue external2025-10-01 → 2026-03-31¥1.7bn
Disaster Prevention Securityreportable segmentsegment profit2025-10-01 → 2026-03-31¥151m
Total Of Reportable Segments And Otherssegment totalrevenue2025-10-01 → 2026-03-31¥11.4bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-10-01 → 2026-03-31¥11.4bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-10-01 → 2026-03-31¥1.2bn
Reconciling Itemsreconcilingsegment profit2024-10-01 → 2025-03-31−¥389m
Construction Businessreportable segmentrevenue2024-10-01 → 2025-03-31¥8.9bn
Construction Businessreportable segmentrevenue external2024-10-01 → 2025-03-31¥8.9bn
Construction Businessreportable segmentsegment profit2024-10-01 → 2025-03-31¥1.0bn
Disaster Prevention Securityreportable segmentrevenue2024-10-01 → 2025-03-31¥1.7bn
Disaster Prevention Securityreportable segmentrevenue external2024-10-01 → 2025-03-31¥1.7bn
Disaster Prevention Securityreportable segmentsegment profit2024-10-01 → 2025-03-31¥237m
Total Of Reportable Segments And Otherssegment totalrevenue2024-10-01 → 2025-03-31¥10.6bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-10-01 → 2025-03-31¥10.6bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-10-01 → 2025-03-31¥1.2bn

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 560
ItemContextValueUnit
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都千代田区外神田4-14-1
Name major shareholdersInterimInstant_No11MajorShareholdersMember
Original text (Japanese)株式会社山水製作所
Address major shareholdersInterimInstant_No11MajorShareholdersMember
Original text (Japanese)福岡市東区松島1-13-8
Name major shareholders voting rightsInterimInstant_No1MajorShareholdersVotingRightsMember
Original text (Japanese)伊藤忠丸紅住商テクノスチール株式会社
Address major shareholders voting rightsInterimInstant_No1MajorShareholdersVotingRightsMember
Original text (Japanese)東京都千代田区大手町1-6-1
Name major shareholders voting rightsInterimInstant_No2MajorShareholdersVotingRightsMember
Original text (Japanese)株式会社福岡銀行
Address major shareholders voting rightsInterimInstant_No2MajorShareholdersVotingRightsMember
Original text (Japanese)福岡市中央区天神2-13-1
Name major shareholders voting rightsInterimInstant_No3MajorShareholdersVotingRightsMember
Original text (Japanese)日鉄建材株式会社
Address major shareholders voting rightsInterimInstant_No3MajorShareholdersVotingRightsMember
Original text (Japanese)東京都千代田区外神田4-14-1
Name major shareholders voting rightsInterimInstant_No4MajorShareholdersVotingRightsMember
Original text (Japanese)株式会社西日本シティ銀行
Address major shareholders voting rightsInterimInstant_No4MajorShareholdersVotingRightsMember
Original text (Japanese)福岡市博多区博多駅前3-1-1
Name major shareholders voting rightsInterimInstant_No5MajorShareholdersVotingRightsMember
Original text (Japanese)株式会社にしけい
Address major shareholders voting rightsInterimInstant_No5MajorShareholdersVotingRightsMember
Original text (Japanese)福岡市博多区店屋町5-10
Name major shareholders voting rightsInterimInstant_No6MajorShareholdersVotingRightsMember
Original text (Japanese)大阪中小企業投資育成株式会社
Address major shareholders voting rightsInterimInstant_No6MajorShareholdersVotingRightsMember
Original text (Japanese)大阪市北区中之島3-3-23
Name major shareholders voting rightsInterimInstant_No7MajorShareholdersVotingRightsMember
Original text (Japanese)株式会社スノーボールキャピタル
Address major shareholders voting rightsInterimInstant_No7MajorShareholdersVotingRightsMember
Original text (Japanese)東京都港区虎ノ門5-12-13号 ザイマックス神谷町ビル8F
Name major shareholders voting rightsInterimInstant_No8MajorShareholdersVotingRightsMember
Original text (Japanese)JFE建材株式会社
Address major shareholders voting rightsInterimInstant_No8MajorShareholdersVotingRightsMember
Original text (Japanese)東京都港区港南1-2-70
Name major shareholders voting rightsInterimInstant_No9MajorShareholdersVotingRightsMember
Original text (Japanese)日鉄神鋼建材株式会社
Address major shareholders voting rightsInterimInstant_No9MajorShareholdersVotingRightsMember
Original text (Japanese)東京都千代田区外神田4-14-1
Name major shareholders voting rightsInterimInstant_No10MajorShareholdersVotingRightsMember
Original text (Japanese)株式会社山水製作所
Address major shareholders voting rightsInterimInstant_No10MajorShareholdersVotingRightsMember
Original text (Japanese)福岡市東区松島1-13-8
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_jpcrp040300-ssr_E00276-000Series1PreferredStockSharesWithNoVotingRightsMember
Original text (Japanese)「1 株式等の状況」の「(1)株式の総数等」の「② 発行済株式」の注記参照
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember
Original text (Japanese)議決権内容に何ら限度のない当社における標準となる株式
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember
Original text (Japanese)同上
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember
Original text (Japanese)同上
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)日本乾溜工業株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)福岡市東区馬出1-11-11
Information about officers (text)FilingDateInstantText · Plus
Description of fact that consolidated financial statements have been prepared in accordance with special ordinance or regulations for industry in appended list financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes changes in scope of consolidation or equity method (text)InterimDurationText · Plus
Notes additional information semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes when there is significant seasonal fluctuation in sales or operating expenses (text)InterimDurationText · Plus
Major components of selling general and administrative expenses (text)InterimDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · Plus
Notes regarding dividend (text)Prior1InterimDurationText · Plus
Notes when there is significant changes in amounts of equity (text)Prior1InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · Plus
Notes when there is significant changes in amounts of equity (text)InterimDurationText · Plus

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 14 of 14 passed
balance sheet identityconsolidated 2025-09-30pass rounding
balance sheet identityconsolidated 2026-03-31pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net assetsconsolidated 2026-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-10-01/2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2025-10-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2024-10-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2025-10-01/2026-03-31pass
statement vs summary · revenueconsolidated 2024-10-01/2025-03-31pass
statement vs summary · revenueconsolidated 2025-10-01/2026-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass
statement vs summary · total assetsconsolidated 2026-03-31pass