diff --git a/docs/org-chart/design-approval.md b/docs/org-chart/design-approval.md
index f9f6cb9..483d83d 100644
--- a/docs/org-chart/design-approval.md
+++ b/docs/org-chart/design-approval.md
@@ -84,7 +84,7 @@ Auto/Expanded Chart Only의 승인 기준은 다음과 같다.
 | 한맥기술 | `#CB2E28` |
 | 삼안 | `#F08300` |
 | 장헌산업 | `#4580A6` |
-| 장헌 | `#1D418D` |
+| (주)장헌 | `#1D418D` |
 | 피티씨 | `#84338E` |
 | 한라산업개발 | `#0068B7` |
 | 바론컨설턴트 | `#0C367F` |
diff --git a/docs/org-chart/expanded-usage.md b/docs/org-chart/expanded-usage.md
index 49f8c87..d908dbf 100644
--- a/docs/org-chart/expanded-usage.md
+++ b/docs/org-chart/expanded-usage.md
@@ -92,7 +92,7 @@ Employee 관계를 유지한다. `companyId` 생성 옵션은 기존 JSON의 회
 | hanmac | 한맥기술 | #CB2E28 |
 | saman | 삼안 | #F08300 |
 | jangheon-industry | 장헌산업 | #4580A6 |
-| jangheon | 장헌 | #1D418D |
+| jangheon | (주)장헌 | #1D418D |
 | ptc | 피티씨 | #84338E |
 | halla | 한라산업개발 | #0068B7 |
 | baron | 바론컨설턴트 | #0C367F |
diff --git a/docs/org-chart/org-chart-usage-guide.md b/docs/org-chart/org-chart-usage-guide.md
index e5fddca..b221326 100644
--- a/docs/org-chart/org-chart-usage-guide.md
+++ b/docs/org-chart/org-chart-usage-guide.md
@@ -645,7 +645,7 @@ React에서는 대응 prop으로 변경한다. dataSource 변경은 reload, auto
 - `hanmac` 한맥기술: `#CB2E28`
 - `saman` 삼안: `#F08300`
 - `jangheon-industry` 장헌산업: `#4580A6`
-- `jangheon` 장헌: `#1D418D`
+- `jangheon` (주)장헌: `#1D418D`
 - `ptc` 피티씨: `#84338E`
 - `halla` 한라산업개발: `#0068B7`
 - `baron` 바론컨설턴트: `#0C367F`
diff --git a/packages/org-chart/ai/DESIGN_RULES.md b/packages/org-chart/ai/DESIGN_RULES.md
index 1bc4f8f..713ff93 100644
--- a/packages/org-chart/ai/DESIGN_RULES.md
+++ b/packages/org-chart/ai/DESIGN_RULES.md
@@ -16,7 +16,7 @@
 |---|---|
 | Auto(Expanded)·Chart Only 캔버스 | 흰색 `#FFFFFF` |
 | Fixed readOnly / Full Composition 배경 | `#F5F8FB`(`bg-content` 기본) |
-| 회사 메인 컬러(Auto 그룹 제목·카드 강조) | `hanmac` 한맥기술 `#CB2E28`, `saman` 삼안 `#F08300`, `jangheon-industry` 장헌산업 `#4580A6`, `jangheon` 장헌 `#1D418D`, `ptc` 피티씨 `#84338E`, `halla` 한라산업개발 `#0068B7`, `baron` 바론컨설턴트 `#0C367F` |
+| 회사 메인 컬러(Auto 그룹 제목·카드 강조) | `hanmac` 한맥기술 `#CB2E28`, `saman` 삼안 `#F08300`, `jangheon-industry` 장헌산업 `#4580A6`, `jangheon` (주)장헌 `#1D418D`, `ptc` 피티씨 `#84338E`, `halla` 한라산업개발 `#0068B7`, `baron` 바론컨설턴트 `#0C367F` |
 | 그룹 제목 글자 | 흰색 |
 | Auto 연결선 | `#738399`(`expanded-line-color` 기본) |
 | Fixed 부서 Gradient | 6종(`business-management`, `business-planning`, `talent-growth`, `integrated-system`, `design-planning`, `solution-sales`). 회사색과 별개 — 서로 대체하지 않음 |
diff --git a/packages/org-chart/src/company-color-presets.test.ts b/packages/org-chart/src/company-color-presets.test.ts
index 3274c6b..195e807 100644
--- a/packages/org-chart/src/company-color-presets.test.ts
+++ b/packages/org-chart/src/company-color-presets.test.ts
@@ -8,7 +8,7 @@ const expected: ReadonlyArray<CompanyColorPreset & { readonly companyId: Company
   { companyId: 'hanmac', companyName: '한맥기술', primary: '#CB2E28', secondary: ['#1D4289'] },
   { companyId: 'saman', companyName: '삼안', primary: '#F08300', secondary: ['#6D6C6C'] },
   { companyId: 'jangheon-industry', companyName: '장헌산업', primary: '#4580A6', secondary: ['#92BED4'] },
-  { companyId: 'jangheon', companyName: '장헌', primary: '#1D418D', secondary: ['#AE232A'] },
+  { companyId: 'jangheon', companyName: '(주)장헌', primary: '#1D418D', secondary: ['#AE232A'] },
   { companyId: 'ptc', companyName: '피티씨', primary: '#84338E', secondary: ['#F7AF00', '#0066B5'] },
   { companyId: 'halla', companyName: '한라산업개발', primary: '#0068B7', secondary: ['#231815'] },
   { companyId: 'baron', companyName: '바론컨설턴트', primary: '#0C367F', secondary: [] },
diff --git a/packages/org-chart/src/company-color-presets.ts b/packages/org-chart/src/company-color-presets.ts
index 7e27fb3..ce48a1d 100644
--- a/packages/org-chart/src/company-color-presets.ts
+++ b/packages/org-chart/src/company-color-presets.ts
@@ -27,7 +27,7 @@ export const companyColorPresets = Object.freeze({
     primary: '#4580A6', secondary: ['#92BED4'],
   }),
   jangheon: freezePreset({
-    companyId: 'jangheon', companyName: '장헌',
+    companyId: 'jangheon', companyName: '(주)장헌',
     primary: '#1D418D', secondary: ['#AE232A'],
   }),
   ptc: freezePreset({