Palmerton & Parrish, Inc.

Knowledge - Tools - Service

About the firm

Palmerton & Parrish, Inc. is an engineering practice founded in 1989 and headquartered in Springfield, Missouri. PPI specializes in geotechnical engineering, subsurface drilling, construction materials testing, laboratory testing, environmental services, and geophysical testing, operating across Missouri, Arkansas, Kansas, Oklahoma, and surrounding states.

Established: 1989
Team: Midsize
Firm type: Geotechnical Engineering · Environmental Engineering · Materials Testing

Credentials

AASHTO Certified Laboratory · USACE Certified Laboratory

People

Erin ParrishPresident

Brandon R. ParrishVice President, Engineering

Shane M. RaderDrilling Services Manager

Donald C. NowackEnvironmental Services Manager

Capabilities

Geotechnical Engineering

Provides comprehensive geotechnical engineering design recommendations, slope stability analysis, and foundation designs tailored to regional geology.

Subsurface Investigation
Shallow Foundation Design
Drilled Pier Foundation Design
Pile Foundation Design
Retaining Wall Design
Slope Stability Analysis
Subgrade Stabilization
Soil Borrow Evaluation
Site Development
Shoring Design
Pavement Analysis and Design
Sinkhole Evaluation and Remediation
Mine Feature Evaluation and Remediation
Dam and Levee Inspection and Evaluation
Peer Review and Value Engineering

Subsurface Drilling

Operates an extensive drilling fleet and tooling to perform soil sampling, rock coring, monitoring well installation, and quarry investigations.

Soil Sampling
Rock Coring
Piezometer and Monitoring Well Installation
Drilled Pier Pre-Drilling
Quarry Investigations
Contract Drilling

Construction Materials Testing

Delivers field and laboratory testing for concrete, asphalt, soils, aggregate, masonry, and reinforcing steel to provide quality control and assurance.

Concrete Testing
Asphalt Testing
Soils Testing
Aggregate Testing
Masonry Testing
Reinforcing Steel Observation
Non-Destructive Testing

Laboratory Testing

Maintains certified laboratories to complete testing of soils, aggregates, concrete, and asphalt, including advanced geotechnical analysis.

Geotechnical Soils Laboratory Testing
Aggregate Evaluation
Concrete and Asphalt Mix Design

Environmental Services

Offers environmental assessments, groundwater monitoring, and geologic evaluations conducted by qualified environmental professionals.

Phase I Environmental Site Assessments
Phase II Environmental Site Assessments
Groundwater Monitoring
Geologic Assessments

Geophysical Services

Utilizes non-destructive physical testing methods including ground penetrating radar, near-surface seismic, and resistivity to evaluate subsurface conditions.

Ground Penetrating Radar
Near Surface Seismic Methods
Resistivity Testing
Karst and Cave Studies

Specialty Services

Provides unique capabilities and deep technical expertise tailored to complex or unusual project requirements.

Industries

Transportation · Bridges · Highways & Roads · Airports · Mining · Environmental & Remediation · Water Resources · Aggregates & Quarrying · Land Development

Projects

Downstream Casino Drilled Pier Construction

Commercial

Project details

Provided drilled pier foundation services including subsurface investigation, allowable bearing capacity analysis, lateral capacity analysis, and construction observation.

Branson Commerce Park Retaining Wall Design

Branson, MO · Infrastructure

Project details

Delivered retaining wall design and construction observation services for mechanically stabilized earth (MSE) and gravity walls at Branson Commerce Park.

ADM Springfield Shoring

Springfield, MO · Industrial · Client: ADM

Project details

Shoring design to facilitate construction activities by providing support of existing structures during earthwork and safe excavations.

Top of the Rock Sinkhole Remediation

Sports & Recreation

Project details

Conducted geotechnical characterization, collapse risk assessment, and engineering design for sinkhole repair and remediation.