Langan Competitors and Similar CompaniesClear all
Langan's competitors and similar companies include ERM and Ethisphere.
 Langan Langan Engineering, Environmental, Surveying and Landscape Architecture is a company providing engineering and environmental consulting services. |  ERM The ERM International Group is a company that provides environmental, health, safety, and social consulting services. | ||
Founding Date | Founding Date 1970 | Founding Date 1971 | Founding Date 2007 |
Type | Type Private | Type Subsidiary | Type Private |
Tags | |||
Locations | Locations Parsippany-Troy Hills, US HQ Calgary, CA Athina, GR Panamá, PA Abu Dhabi, AE Dubai, AE London, GB see more | Locations London, GB HQ Buenos Aires, AR Adelaide, AU Brisbane City, AU Melbourne, AU Newcastle, AU Sydney, AU see more | Locations Scottsdale, US HQ |
Employees | Employees 2,0965% increase | Employees 7,4041% decrease | Employees 67 |
Operating ⚠ | |||
Countries | Countries 100 (May, 2022) | Countries 38 (Aug, 2023) | Countries N/A |
Trademarks (US) | Trademarks (US) 3 (May, 2022) | Trademarks (US) N/A | Trademarks (US) 13 (Oct, 2025) |
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ERM
HQ
London, GB
The ERM International Group is a company that provides environmental, health, safety, and social consulting services.
View company
Ethisphere
HQ
Scottsdale, US
Employees
67
Ethisphere is a company that provides ethics and compliance program solutions.
View company