About Us

Our Company

Founded in 1967, Willis Engineering, Incorporated is a trusted civil engineering firm with offices in Grenada, Greenwood, and Choctaw, Mississippi. With decades of experience, we specialize in providing high-quality design and construction engineering services for essential infrastructure projects—including water distribution and treatment systems, roadways, bridges, airports, municipal streets and parking facilities, sewer system evaluation and rehabilitation, and wastewater treatment plants.

Willis Engineering is proud to employ a dedicated team of 43 professionals with expertise in engineering, surveying, computer-aided drafting and modeling, construction inspection, soil and concrete testing, project management, construction and grant administration, and general operations. Together, our team brings precision, reliability, and excellence to every project we undertake.

Our Services

Wastewater Collection

New Plant Design
Existing Plant Upgrade
Construction Phase Engineering

Sewer System Evaluation & Rehab

Pump Station Design & Upgrades
Flow Measurements
Capacity Analysis
Infiltration & Inflow Studies
Smoke & TV Inspection

Water Quality & Water Supply

Water Distribution & Treatment
Water Well Design & Rehabilitation
Water Tank Design & Rehabilitation
Distribution Analysis

Road & Bridge Design

Permitting
Survey & Construction Staking
Soils, Asphalt, & Concrete Testing
Lab Equipment
Drill Bore & Rig for Soil Testing Facility
senseFly eBee Drone
Streetscape Improvements
Land Acquisition

Extensive experience working with many different government agencies including:

MDA-CDBG grant providing entity, HUD, MDOH, MDEQ, EDA, RD, NRCS, USACE, EPA, MODOT, DRA, ARC, MDWFP, FHWA, FLAP and FAA

Additional Civil Engineering Services to meet your Planning and Design needs:

Airport Design
Airport Layout Plans (ALP)
Storm Water Designs
Recreational Trails
Multipurpose Facilities
Civic Centers
Solid Waste
Hydrology
Downtown Renovation
Wetland Delineation
Environmental Impact Studies
Environmental Permitting
Sports Complex Design

Within these areas, we have the following capabilities:

Lot Surveys
Alpha Title Surveys
Topographical Surveys
Subdivisions
Grading Plans
Drainage Studies
Permitting
Utility Relocation
Select Fill Testing
Slope Analysis
Site Plans
Landscaping & Lighting Plans
As-built Drawings
Feasibility Studies
Retaining Wall Design & Inspection
Construction Incpection
Grant Writing
Concrete Testing