![]() Trotter & Morton Trotter & Morton Group of Companies (also known as T&M) is a provider of construction and related engineering services. | ![]() Dar Al Riyadh Dar Al Riyadh is an engineering company that provides professional services and solutions for government, institutions and corporate clients. | Engineering Consulting Services Engineering Consulting Services (ECS) is a consulting engineering company. | ||
Founding Date | Founding Date 1927 | Founding Date 1975 | Founding Date 1988 | Founding Date 1967 |
Type | Type Private | Type Private | Type Private | Type Private |
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Locations | Locations Riyadh, SA HQ | Locations Chantilly, US HQ Fredericksburg, US | Locations HQ | |
Employees | Employees 412 | Employees 3,0332% increase | Employees 2,4823% increase | Employees 3,075 |

Dar Al Riyadh is an engineering company that provides professional services and solutions for government, institutions and corporate clients.
View companyEngineering Consulting Services (ECS) is a consulting engineering company.
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