Langan Competitors and Similar CompaniesClear all
Partner Engineering and Science's competitors and similar companies include Brown and Caldwell, ERM and Ethisphere.
 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 2007 | Founding Date 1947 | Founding Date 1971 | Founding Date 2007 |
Type | Type Private | Type Private | Type Subsidiary | Type Private |
Tags | ||||
Locations | 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 1,2841% increase | Employees 2,486 | Employees 7,4041% decrease | Employees 67 |
Financial | ||||
Revenue (est.) | Revenue (est.) $178.5m (Y, 2019) | Revenue (est.) N/A | Revenue (est.) $1.4b (FY, 2024) | Revenue (est.) N/A |
Operating ⚠ | ||||
Projects | Projects 179 (Apr, 2022) | Projects 82 (Sep, 2020) | Projects N/A | Projects N/A |
Services Provided | Services Provided 107 (Apr, 2022) | Services Provided 14 (Sep, 2020) | Services Provided 10 (Aug, 2023) | Services Provided N/A |
Trademarks (US) | Trademarks (US) 4 (Apr, 2022) | Trademarks (US) N/A | Trademarks (US) N/A | Trademarks (US) 13 (Oct, 2025) |
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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