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Jacobs Engineering Group Inc. is one of the world’s largest and most diverse providers of professional technical services.

Worley is a leading global provider of professional services specializing in the energy, chemicals, and resources sectors. With a strong reputation for delivering high-quality solutions, Worley offers expertise and support to clients worldwide. Generated from their website's infomation

Established in 2000, Providence is a multidisciplinary engineering and environmental consulting firm that specializes in air and water quality, as well as ecological and waste management services. The firm offers hazardous waste management services related to industrial, landfills, land farms, surface impoundments and lagoons. Its risk assessment services include ecological and human assessment, environmental response and planning, and water and sediment quality monitoring, as well as toxicology consulting and multimedia sampling, analysis, and monitoring. Providence serves the oil and gas exploration, petroleum refining, power and energy, mining, aerospace, and chemical and petrochemical manufacturing markets. The firm additionally offers services for legal firms, financial institutions, government agencies and nonprofit organizations. Providence maintains its corporate headquarters in Baton Rouge, La.