To contact us:

Phone: (909) 877-1324
Fax: (909) 877-5210

2257 South Lilac Avenue
Bloomington, California 92316

John R. Byerly, Inc. was organized in 1977 as the successor to Pacific Materials Laboratory, Inc., whose service to the construction industry extends back to 1955. Since that time, John R. Byerly, Inc. has provided the construction industry of Southern California with professional geotechnical engineering, construction materials testing, and special inspection services.

Our laboratory is equipped with testing apparatus approved by AASHTO, ASTM, Caltrans, DSA, and other agencies governing the conformance of material testing to the accepted industry standards for testing laboratories. John R. Byerly, Inc. is approved by DSA as a testing laboratory for school construction projects.

Our Services Include:

Geotechnical and Geological Services

· Distressed Structure Investigations

· Fault Investigations

· Geological Investigations

· Geotechnical Investigations

· Grading Inspection

· Groundwater Investigations

· Landslide Investigations

· Pavement Design

· Pre-Saturation

· Seismic Hazard Assessment

· Slope Stabilization

· Soil Stabilization

Field and Inspection Services

· Anchors

· Asphalt Pavement

· Concrete

· Fireproofing

· Grading

· Ground Rod

· Gunite

· Hi-Tensile Bolting

· Masonry

· Pachometer Reinforcing Steel Locator

· Piling

· Pre-Stress and Post Tension Concrete

· Schmidt Rebound Hammer

· Special Inspector

· Structural Steel Fabrication and Field Welding

· Trench Backfill

· Ultrasonic

· Welding

Materials Testing

· Aggregate

· Asphalt Paving Materials

· Concrete

· Fireproofing

· Masonry Block and Brick

· Roof Tile

· Soil

· Structural Steel

If a desired service is not listed above, please feel free to contact us by e-mail as to availability of services at info@johnrbyerlyinc.com or by telephone (909)877-1324 .