Henley Johnston & Associates, Inc. technical capabilities can be separated into three categories: Field Exploration, Laboratory Testing, and Engineering and Geological Analysis.
Henley Johnston & AssociatesHenley-Johnston & Associates offers a full range of construction materials testing and inspection services, ranging from house pad testing to multi-story commercial projects. HJA maintains a staff of field technician's with current certifications in concrete field testing, post tension cable inspection, concrete slab profiling, and nuclear gauge soil testing.

Henley-Johnston & Associate's Construction Materials Testing Division performs the following services:

  • Drilled Pier Inspection/Slurry Pier/Underwater Placement
  • In-Place Soils Testing (Nuclear/Sand Cone/Balloon Density)
  • Reinforcing Steel Placement Inspection
  • Concrete Testing
  • Concrete Slab Profiling
The Construction Materials Testing and Inspection Division of Henley-Johnston & Associates strives to serve our clients in an accurate timely professional manner.

We look forward to our future relationship with your firm!

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