1966 - Marine Exploration Limited was founded in 1966, often referred to as Marex (Marine Exploration) which is still used today
Marex specialised in Metocean statistical data analysis and reporting. The team used buoys to monitor wave and weather conditions. This data was then interpreted by oceanographers who would use the data to make long-term sea state forecasts for companies building oil-rigs.
1985 - Marex moved skills into Industrial markets
1986 - MACE product launched
1987 - Marex joins Westland GroupWestland Aerospace, a subsidiary of Westland Group, acquired a 65% stake in Marex Technology, which specialised in supervisory control and data acquisition systems for the off-shore and industrial process control industries.
1989 - PROMACE product based on UNIX launched
PROMACE was regarded as one of the first process historian systems in the world and was compatible with UNIX which was an operating system.
1994 - Marex expands, opening an office in the Middle East
1996 - Marex continues expansion, opening an office in the Asia Pacific region
1997 - Marex Technology acquired by Yokogawa Electric CorporationDuring the nineties, Marex had formed a good relationship with Yokogawa and saw Marex to be a good acquisition to complement their business. Yokogawa bought Marex in 1997 for their expertise and people and the company name was changed to Yokogawa Marex (YMX).
2000 - Exaquantum R1.0 launched (May)Yokogawa commissioned Yokogawa Marex (YMX) to build a new ground-up product called Exaquantum, taking forward the foundations laid with PROMACE. Exaquantum is Yokogawa Marex's flagship product.
2001 - Exaquantum R1.10 launched (November)
2003 - Exaquantum/Batch launchedData historian for batch process to meet customer needs in the chemical, food and pharmaceutical industries.
2005 - Yokogawa Marex chosen to be Yokogawa Global MES Centre of Excellence
2005 - 500th Exaquantum licence sold
2007 - Cenibra of Brazil Reports annual savings of $2m with help from Exaquantum
2008 - Yokogawa Marex becomes Microsoft Gold Certified PartnerYokogawa Marex establishes a close working relationship with Microsoft and can provide Microsoft-IT services and products to other businesses or clients among other things.
2008 - 1,000th Exaquantum Licence sold
2009 -Exaquantum installed at Tianjin Petrochemical 'super-plant'
SINOPEC SABIC Tianjin Petrochemical Co., Ltd. (SSTPC), a 50/50 joint venture between Saudi Basic Industries Corporation (SABIC) and China Petroleum & Chemical Corporation (Sinopec), has constructed a huge, integrated refinery and petrochemical complex in Tianjin, China. Exaquantum is installed for monitoring plant efficiency to prevent major problems that can lead to plant shut downs.
2013 - 2,000th Exaquantum Software Licence was issued in April
2014 - Yokogawa Marex wins International Business award at the IOW Chamber of Commerce Business Awards 2014
2015 - Release Exaquantum R3.01 Supercharged Edition with High performance, increased scalability, enhanced user experience, tablet support and powerful engineering tools
2016 - On 1st October, Yokogawa Marex (YMX) officially became part of Yokogawa United Kingdom (YEF-GB)
A ceremony was held to celebrate this occasion, which coincided with the 50th anniversary of the Marex organization, and to mark the start of a new chapter in the company’s history as part of YEF-GB and the new and innovative Global Information Solutions Centre (GISC) Team.
2017 - Yokogawa Marex wins Manufacturing and Technology award at the IOW Chamber of Commerce Business Awards 2017
2018 - Yokogawa Marex wins International Business and Business of the Year at the IOW Chamber of Commerce Business Awards 2018
2019 - Yokogawa Marex celebrates sale of 3000th Exaquantum Software Licence
2020 - Yokogawa's Plant Information Management System, Exaquantum, Turns 20!
2023 - Yokogawa Marex wins the Training and Development Award at the IOW Chamber of Commerce Business Awards 2023
2025 - Yokogawa Marex wins the Training and Development Award at the IOW Chamber of Commerce Business Awards 2025
