Langan Competitors and Similar CompaniesClear all
Langan's competitors and similar companies include Partner Engineering and Science, Brown and Caldwell, ERM and Ethisphere.
 Langan Langan Engineering, Environmental, Surveying and Landscape Architecture is a company providing engineering and environmental consulting services. |  Partner Engineering and Science Partner Engineering and Science (also known as Partner Assessment Corporation) is a company providing engineering, environmental, and energy consulting and design 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 2007 | Founding Date 1947 | Founding Date 1971 | Founding Date 2007 |
Type | Type Private | Type Private | 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 Torrance, US HQ Toronto, CA Mexico City, MX Kraków, PL London, GB Altamonte Springs, US Austin, US see more | Locations Walnut Creek, US HQ Burnaby, CA Hagåtña, GU Alexandria, US Andover, US Blue Ash, US Boise, US 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 1,2841% increase | Employees 2,486 | Employees 7,4041% decrease | Employees 67 |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) $178.5m (Y, 2019) | Revenue (est.) N/A | Revenue (est.) $1.4b (FY, 2024) | Revenue (est.) N/A |
Operating ⚠ | |||||
Countries | Countries 100 (May, 2022) | Countries N/A | Countries N/A | Countries 38 (Aug, 2023) | Countries N/A |
Locations | Locations 37 (May, 2022) | Locations 46 (Apr, 2022) | Locations N/A | Locations N/A | Locations N/A |
Projects | Projects N/A | Projects 179 (Apr, 2022) | Projects 82 (Sep, 2020) | Projects N/A | Projects N/A |
Services Provided | Services Provided N/A | Services Provided 107 (Apr, 2022) | Services Provided 14 (Sep, 2020) | Services Provided 10 (Aug, 2023) | Services Provided N/A |
Trademarks (US) | Trademarks (US) 3 (May, 2022) | Trademarks (US) 4 (Apr, 2022) | Trademarks (US) N/A | Trademarks (US) N/A | Trademarks (US) 13 (Oct, 2025) |
Types of Services | Types of Services 4 (May, 2022) | Types of Services 14 (Apr, 2022) | Types of Services N/A | Types of Services N/A | Types of Services N/A |
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Partner Engineering and Science
HQ
Torrance, US
Employees
1,284↑ 1% increase
Partner Engineering and Science (also known as Partner Assessment Corporation) is a company providing engineering, environmental, and energy consulting and design services.
View company
Brown and Caldwell
HQ
Walnut Creek, US
Employees
2,486
Brown and Caldwell is an engineering consulting firm.
View companyERM
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