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Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

Service detail: Engineering

Innovative engineering and environmental solutions.

Service detail: Civil Engineering

Myriad Engineering Solutions, LLC is a civil engineering practice located in Jackson and Terry, Mississippi. Established in 2017 by Principal Stephanie Sago Vivians, P.E., it delivers professional services in civil engineering, roadway design, traffic engineering, stormwater management, environmental services, and construction contract administration. The practice serves federal, state, and local government agencies, established architectural and engineering firms, contractors, and private clients, preparing detailed plans, specifications, and estimates to ensure safe, dependable, and cost-effective infrastructure solutions.

Service detail: Roadway and Highway Design