Vigour Unity was founded in 2019. Since then, they have become the leading provider of efficient HVAC solutions in Egypt, using VRF technologies to deliver a wide range of HVAC solutions, including Suppling, Maintenance, Aftersales Services, Studying, Technical Support, and System Selection. Their experienced, committed, and innovative mechanical engineers are specialized in VRF Systems.

Waterman Group Plc is a multidisciplinary consultancy providing sustainable solutions to meet the planning, engineering design and project delivery needs of the property, infrastructure, environment and energy markets. Founded in 1952, the company has since grown into a leading engineering and environmental consultancy with offices throughout the UK, Australia and Europe.

William Tao & Associates, Inc. (WTA) is a multi-discipline engineering firm providing innovative services in engineering and energy-effective building systems. WTA provides a wide range of engineering services including mechanical, electrical, plumbing, fire protection, building automation, structural, civil, master planning, and commissioning