engineering consultant in Pennsylvania

Gannett Fleming web site

Amec Foster Wheeler designs, delivers and maintains strategic and complex assets for its customers across the global energy and related sectors. The company operates across the oil and gas ind…

Tetra Tech is a leading provider of consulting, engineering, program management, construction management and technical services worldwide.

We offer services for advanced manufacturing, energy, environment, & water. But our real strength is creating comprehensive, integrated solutions for clients.

John T. Boyd Company - Mining Consultants is a prominent international mining consultant providing technical coal, minerals, metals, frac sand, energy, consulting services to a diverse mining, te…