![]() APTIM APTIM is a company that specializes in engineering, program management, environmental services, disaster recovery, complex facility maintenance, and construction services. | ![]() CDI CDI Corporation (also known as CDI Engineering Solutions) is a provider of integrated engineering, design, and project support services to the energy, chemicals, and infrastructure markets. | McDermott International McDermott International is a company that provides engineering and construction solutions. | ||
Founding Date | Founding Date 1961 | Founding Date 1889 | Founding Date 1950 | Founding Date 1923 |
Type | Type Public | Type Private | Type Private | Type Private |
Tags | ||||
Locations | Locations Rockville, US HQ Limerick, IE Glastonbury, US Tracys Landing, US Winterville, US | Locations Baton Rouge, US HQ Fort Mc Murray, CA Niagara Falls, CA Saint John, CA Sarnia, CA Sherwood Park, CA Tamuning, GU see more | Locations Houston, US HQ Baton Rouge, US Charleston, US Louisville, US Midland, US Nederland, US Philadelphia, US see more | |
Employees | Employees 1,21423% increase | Employees 3,0292% increase | Employees 2,802 | Employees 28,8241% increase |
Financial | ||||
Revenue (est.) | Revenue (est.) $944.6m (FY, 2026) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) $6.2b (Y, 2022) |

APTIM is a company that specializes in engineering, program management, environmental services, disaster recovery, complex facility maintenance, and construction services.
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CDI Corporation (also known as CDI Engineering Solutions) is a provider of integrated engineering, design, and project support services to the energy, chemicals, and infrastructure markets.
View companyMcDermott International is a company that provides engineering and construction solutions.
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