Our Global Locations

CH·IV is a proud member of the Clough group of companies, solidifying our place in the global community.


Clough is a pioneering engineering and construction company established in 1919. Clough delivers challenging projects for the energy, resources, and infrastructure industries underpinned by a dedication to problem solving and getting the job done safely and efficiently.

Learn more about Clough here.

Murray & Roberts

Clough is a wholly owned subsidiary of Murray & Roberts (M&R), South Africa’s leading engineering and construction services company. M&R has delivered infrastructure for more than 110 years and has a global workforce of over 20,000 people.

Learn more about Murray & Roberts here.

Booth Welsh

Established in 1989, Booth Welsh is recognised as a market leader in lifecycle services for control systems, from front end engineering design through to service and replacement.

Learn more about Booth Welsh here.


e2o is a global asset services company recognised for delivering valuable and sustainable solutions to clients from engineering to operations.

Learn more about e2o here.

Contact us at 410-691-9640 for more information.

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Our Office Locations