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Tetra Tech Competitors and Similar CompaniesClear all

Tetra Tech's competitors and similar companies include Golder.

	Tetra Tech Tetra Tech is a company that provides consulting and engineering services.	Golder Golder Associates (formerly known as Golder Hoek and Associates) is an environmental consulting firm.
Founding Date	Founding Date 1966	Founding Date 1960
Type	Type Public	Type Subsidiary
Tags	Tags Business Products & Services compliance sustainability waste management	Tags Real Estate & Construction construction management construction tech energy infrastructure engineering it services legal support water
Locations	Locations Pasadena, US HQ Adelaide, AU Adelaide, AU Adelaide, AU Adelaide, AU Birtinya, AU Brisbane, AU see more	Locations Mississauga, CA HQ Adelaide, AU Darwin, AU Milton, AU Newcastle, AU North Sydney, AU see more
Employees	Employees 25,00017% decrease	Employees 3,5821% decrease
Financial
Revenue (est.)	Revenue (est.) $5.4b (FY, 2025)	Revenue (est.) $1b (Y, 2018)

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HQ

Mississauga, CA

Golder Associates (formerly known as Golder Hoek and Associates) is an environmental consulting firm.