![A logo of German construction group Hochtief is seen at the building site of the new skyscraper 'Tower 185' in Frankfurt January 4, 2011. Spanish builder ACS has secured a crucial 30 A logo of German construction group Hochtief is seen at the building site of the new skyscraper 'Tower 185' in Frankfurt January 4, 2011. Spanish builder ACS has secured a crucial 30](https://l450v.alamy.com/450v/2cxr3k2/a-logo-of-german-construction-group-hochtief-is-seen-at-the-building-site-of-the-new-skyscraper-tower-185-in-frankfurt-january-4-2011-spanish-builder-acs-has-secured-a-crucial-30-percent-holding-in-hochtief-following-a-hotly-contested-takeover-bid-allowing-it-to-build-a-controlling-interest-in-the-german-construction-group-reuterswolfgang-rattay-germany-tags-business-2cxr3k2.jpg)
A logo of German construction group Hochtief is seen at the building site of the new skyscraper 'Tower 185' in Frankfurt January 4, 2011. Spanish builder ACS has secured a crucial 30
![ACS Group currently has 17 concession projects in North America, with a total investment of 17,000 million euros - World Construction Today ACS Group currently has 17 concession projects in North America, with a total investment of 17,000 million euros - World Construction Today](https://www.worldconstructiontoday.com/wp-content/uploads/2018/01/ACS-845x475.jpg)
ACS Group currently has 17 concession projects in North America, with a total investment of 17,000 million euros - World Construction Today
![DENPASAR,BALI/INDONESIA-JUNE 08 2019: Aerofood ACS building at Ngurah Rai International Airport. They are preparing the food for passanger and crew wh Stock Photo - Alamy DENPASAR,BALI/INDONESIA-JUNE 08 2019: Aerofood ACS building at Ngurah Rai International Airport. They are preparing the food for passanger and crew wh Stock Photo - Alamy](https://c8.alamy.com/zooms/9/3c5824aae3fd4d16ab618971682786e3/w0k0ja.jpg)
DENPASAR,BALI/INDONESIA-JUNE 08 2019: Aerofood ACS building at Ngurah Rai International Airport. They are preparing the food for passanger and crew wh Stock Photo - Alamy
![THE ACS Difference - HVAC Systems, Building Management Systems, Energy Efficient Buildings – Automated Control Solutions THE ACS Difference - HVAC Systems, Building Management Systems, Energy Efficient Buildings – Automated Control Solutions](https://www.acontrols.co.za/wp-content/uploads/2017/03/Picture2-1024x387.jpg)