The Beginning - Ritta was founded on October 26, 1987 by Mr. Suwat, Mr. Uthorn and Mr. Kamol. Operate by the office located at Chalerm Government Building, Soi Inthamara 29, Bangkok
The First Construction Project -
Bang Pakong Power Plant, Electricity Generating Authority of Thailand (EGAT)
September 1, 1989 - April 10, 1991
2nd Head Office -
Family Condominium, Soi Indramara 25, Bangkok
KL12 Warehouse -
Opened the KL12 Warehouse as a storage area for materials, tools, machines and maintenance workshops. in October 1996
Our first Makro -
1 Apr - 31 Oct 1997
3rd Head Office -
Soi Phahonyothin 32 (Sena Nikhom) January 1997
“RITTA – we made the impossible” - is the motto Mr.Simon Collins gave to Ritta after finishing of Makro Nakorn Sawan (Sep 1, 1997 - Jan 31, 1998).
Our first Tesco Lotus -
Tesco Lotus Supercenter Phuket
7 Feb. - 7 Aug. 1999
ISO 9000 Certified -
ISO 9001:1994 issued by EIT-CBO to Ritta on October 25, 2000.
Fabrication Factory -
Opened the steel frame assembly plant, Ban Bueng Subdistrict, Si Racha, Chonburi, in February 2002.
Our first Homepro -
Homepro Sukkapiban 3
15 Oct 2002 - 31 Mar 2003
Suvarnabhumi Airport -
Passenger Terminal, Concourse Building D & Chiller Plants
1 Apr 2003 - 31 Mar 2006
Millennium Residence -
1 Jun 2007 - 31 May 2009
4 residential buildings, which when viewed from above will be seen in the form of an airplane or a three-petaled orchid
Sathorn Square -
15 Jul 2007 - 15 Apr 2010
40-storey office building, 5 floors basement, located at Sathorn-Narathiwat intersection. LEED GOLD certified
The Sukhothai Residences -
Nov 2007 - Mar 2011
A 42-storey residential construction project with 3 basement floors. It is the first project to adopt a Top-Down construction system.
Precast Concrete Factory -
Opening a precast concrete parts factory, March 2009
New Fabrication Factory -
Opened a new steel frame assembly plant with Japan technology on December 16, 2009
Ritta Heead Office (Present) -
Ritta moved to the present head office on April 3, 2010. This building has been certified LEED GOLD.
The Master Nun Chandra Centennial Building -
1 Jun 2010 - 1 Jun 2013
The 17-storey building is shaped like a glass sphere. Constructed with a large Precast system called Spherical Precast Structure
Mega Bangna -
Nov 2010 - Mar 2012
Large Shoping Mall, which Ritta is responsible for the construction of 5/6 of the total area.
ASEAN Outstanding Engineering Achievement Project Award -
ASEAN level award presented by AFEO on December 4, 2010 in Hanoi, Vietnam.
KL 5 Maintenance center -
KL 5 Maintenance Center opened on September 9, 2013 at Lam Luk Ka District, Pathum Thani Province to be used as a maintenance center and storage of equipment, tools and machinery.
RAIST & RASA -
3 Mar. 2014 - 30 Apr. 2015
Kamnoetwit School and Vidyasirimedhi Institute which is the name that has been given by Her Royal Highness Princess Maha Chakri Sirindhorn and received funding from PTT Group
Terminal 21 Korat -
Jan 2015 - Dec 2016
A large shopping mall with more than 700 shops
ISO9001:2015 Certified -
Ritta is one of the leading companies in Thailand to be certified. ISO9001:2015, 15 September 2016
ISO14001:2015 Certified -
Ritta received the ISO14001 : 2015 certificate on March 15, 2017. It is the first company in the Thai construction business group. certified by the ISO14001 system
30th Anniversary Ritta -
From 1987 to the present, for over 30 years Ritta Co., Ltd. has persisted in the construction business with 5 business strengths: quality, price, time, service and safety. Until today, Ritta Company Limited is one of the top construction companies in Thailand.