(주)원나인 건설 / one nine

Also known as 원나인 건설
(주)원나인 건설 (one nine) is a Korea-based business registered at 경기도 고양시 일산동구 호수로 (Postal code: 10449). It operates as a head office of a for-profit corporation. It was originally registered with the Yangcheon Tax Office and incorporated at the Seoul Central District Court, Registry Bureau. (주)원나인 건설 (one nine) falls under the Construction industry. It operates within the MEP & Utilities sector, specifically focusing on Plumbing and air conditioning/heating construction business activities. It has 5–9 employees. According to KOBDi Industry Ranking system, (주)원나인 건설 (one nine) scored 56.90 points (down 1.87 points since August 2026) and outperforms approximately 77% of companies in the same industry. Recent performance indicators include: Employee growth: 14.47% (industry average: -3.11%).
(주)원나인 건설은 경기도 고양시 일산동구에 있는 배관 및 냉ㆍ난방 공사업 기업입니다.
117-**-*900* 1101**-0528***

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경기도 고양시 일산동구 호수로 (10449)
September 2026
14.47%
2025-2026
56.90
▼ 1.87 pts (vs. August 2026)
Top 23%
September 2026

one nine's KOBDi Score is 56.90 as of Sep 2026, up 0.57 points since Jul 2025; it rose in 4 and fell in 3 of the 10 monthly updates. As of Sep 2026 it is ahead of about 77% of companies in its industry, against 79% in Aug 2026 and 74% in Jul 2025. Its strongest position was 79% (Aug 2026) and its weakest 73% (Aug 2025).

A year earlier, in Aug 2025, its score was 54.83 and it was ahead of about 73% of companies in its industry.

Sep 202656.90ahead of 77%
Aug 202658.76ahead of 79%
Jul 202654.83ahead of 76%
Jun 202655.91ahead of 76%
May 202655.91ahead of 76%
Apr 202655.75ahead of 76%
Mar 202655.75ahead of 76%
Feb 202655.70ahead of 76%
Dec 202555.70ahead of 74%
Aug 202554.83ahead of 73%
Jul 202556.33ahead of 74%

Between 2025 and 2026, the headcount of one nine changed by +14.47%, against an average of -3.11% in its industry. It now has 5–9 employees.

경기도 고양시 일산동구 호수로 (10449)
Where is one nine located?

one nine is registered at 경기도 고양시 일산동구 호수로, South Korea (postal code 10449).

What industry is one nine in?

one nine belongs to Construction › MEP & Utilities › Plumbing and air conditioning/heating construction business.

How many employees does one nine have?

one nine has 5–9 employees.

What is one nine's KOBDi Score?

56.90 as of September 2026, ahead of about 77% of companies in its industry.

Who are one nine's competitors?

Similar companies include DAE SENG ENF, EBADA ELECOMM and 대성엘리베이터.

Which businesses are near one nine?

Businesses registered at the same postal code (10449) include Glass World, NAM BUK and 더블유제이브라운. Most work in Korean general restaurant business, advertising agency and sNS Market.

Businesses near one nine

Registered at postal code 10449 (호수로, 고양시). Most businesses here work in Korean general restaurant business, advertising agency and sNS Market.

  • (주)글라스월드
    Glass World Co., Ltd.
    호수로 358-39 (same building)
  • (주)남북경협
    NAM BUK
    Real estate brokerage and agency · 호수로 358-39 (same building)
  • (주)더블유제이브라운
    호수로 358-39 (same building)
  • (주)디앤넷
    DNNET
    Wholesale of computers, peripherals, and software · 호수로 358-39 (same building)
  • (주)물류와사람들
    Freight transportation brokerage, agency and related services · 호수로 358-25 (same building)
  • (주)썬이텍
    Bulb, lamp and lighting equipment wholesale business · 호수로 358-39 (same building)
  • (주)씨엔케이인더스트리
    CNK INDUSTRY CO., LTD
    Plastic synthetic leather manufacturing · 호수로 358-39 (same building)
  • (주)에이치앤에스테크
    H&S TECH
    Wallpaper, floor covering and flooring retail business · 호수로 358-25 (same building)
  • (주)영진컴퍼니
    Youngjin company co., ltd.
    Writing business including advertising texts, designs, etc. · 호수로 358-25 (same building)
  • (주)예츠
    Other creative and art-related service industries · 호수로 358-25 (same building)

Other plumbing and air conditioning/heating construction business companies in 고양시

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