About Us History
We are creating new
Manhattan, New York, the center of global finance
We are creating new
future values together
Company History
Yesterday, today,
and toward a better tomorrow
Building on trust and expertise since 1983, we design value that becomes part of the city’s story—not merely development.
2026.03
Hudson Development Co., Ltd. established
2020
Avalon established
Preparing condominium development at 1487–1493 1st Avenue, Manhattan, NY
Global Expansion Milestone
2017
Leading Manhattan real estate development and execution
2015
Celes Korea established
Exclusive Korean sales for One Clinton condominium, Brooklyn, NY
2008
OJ Company Inc. (Boston) established
SAEYOUNG RND LLC (Boston) established
SYR&D Co., Ltd. established (2012, Korean developer)
2007
OJ America Inc. established
U.S. real estate development and consulting
2006
IAN SD renamed to Jungang RSD
Global Business Setup
2005
Overseas real estate development and expansion
IAN SD established (integrated real estate consulting)
2002
BBC&I Co., Ltd. established
Real estate development and consulting
2000
OJ Consulting Co., Ltd. established
Real estate development and consulting
Domestic Expansion
1998
Domestic real estate development and execution
Gilseon Co., Ltd. established (development & consulting)
The Origin
1983
