
The Quill Group
Reinventing the Art of Engineering
Bridgeport, CT
Explore capabilities, project experience, and office locations to build your shortlist.

Reinventing the Art of Engineering
Bridgeport, CT
Building Strong Foundations Across the Southeast

Building Inspiring Spaces
Oakland Park, FL

Geotechnical engineering, materials testing, and QA/QC services
Las Cruces, NM

Geotechnical Engineering and Subsurface Exploration and Sampling.
Delray Beach, FL+4
Delivering expertise and accuracy for over a century
Warrenville, IL+3

Your Trusted Partner in Geotechnical Engineering Solutions
Houston, TX+12
Accredited Laboratory Testing.
Dallas, TX+5

Geotechnical Engineering and Subsurface Investigations.
Reno, NV

Geotechnical Engineering and Subsurface Exploration.
Euless, TX+1

Sustainable quality design and professional engineering solutions
Grand Forks, ND

Geotechnical & Soil Testing and Drilling (CME and Little Beaver rigs).
Albuquerque, NM

A multi-disciplinary engineering firm

Professional Engineering and Surveying
Iron Mountain, MI+2

Planning | Surveying | Testing | Landscape Design
Meridian, MS+2

Moving your project forward through engineering and testing
Elgin, IL

Reliable, In-Depth Solutions
West Palm Beach, FL+3

Knowledge - Tools - Service
Springfield, MO+2

Solutions For The Future
Standish, MI+2

Innovative Geotechnical Solutions
Tucson, AZ

Houston's Trusted Geotechnical Engineering Company - Serving Texas & Arizona Since 2016
Houston, TX

Reliability in Design

Construction Inspection and Testing and Concrete Testing.
Lexington Park, MD

Engineering Excellence Across the Southwest
Albuquerque, NM