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Bob Taylor Engineering, Inc Logo

22688 Three Notch Road
Lexington Park, MD


Our Mission

With professionalism, integrity, honesty, and fairness, Bob Taylor and the employees of Bob Taylor Engineering, Inc. deliver the highest quality construction inspection and testing services to its clientele. We are dedicated to uncompromising personalized service and customer satisfaction in all aspects of our work.

Complete Geotechnical Engineering Materials Testing

Test and Inspection Services - Geotechnical Engineering

Concrete, Soils, Asphalt and Aggregate Testing

CONCRETE: The BTE team conducts on-site concrete sampling with beams and cylinders and includes mortar and grout.  We also conduct job site inspections, prepare field reports, carry out compressive strength testing, and laboratory mix design.  In our Lexington Park facility, BTE maintains a laboratory curing facility with calibrated compression test machinery. 

BTE concrete testing labs are certified by CCRL.  We are also accredited by the  American Association of State Highway and Transportation Officials (AASHTO). AASHTO18 accreditation is considered the standard upon which the entire certification program is based and includes Quality Management Systems, Asphalt Mixture, Soil and Concrete Testing.  BTE's ASTM E 329  certification upholds the standards for the accuracy of data, management systems, testing criteria, and code compliance and regulations.  Because BTE employs staff with individual certifications, its labs are AMRL certified. 

BTE current certifictaions for concrete testing include:

  • ASTM C 31, C 39, C 78, C 138, C 143, C 172, C 0173, C 231, C 511,  C 617, (7000 psi & below), C 1064, C 1077, & C 1231
  • ASTM D 1077, D 3740, D 3666

IOur field technicians and engineers hold certifications in the following:

  • ACI Concrete Field Testing
  • ACI Concrete Strength Testing
  • ACI Aggregate Testing
  • ACI Concrete Laboratory Testing

Currently the following BTE staff hold ACI Certification.  They are Jacob Appel, Derrell Armstrong, James Beavers, Andrew Eason, Charles Grim, John Mason, Jacob Nichter, Sarabeth Everheart, Shawn Redman, Michael Selvidge, Andrew Stocking, Bob Taylor, Joe Taylor, and Cory Trossbach.  And our highly skilled staff includes Master Driller, James Beavers.

SOILS:   BTE provides on-site job inspections, prepares field reports, provides construction supervision, and laboratory as well as field testing.  We inspect and test for soils classification and sieve analysis, in-place field density, and perform soils analysis for compliance with construction specifications.  Our goal is to provide our clientele with the accurate information  needed to insure the safety and success of any engineering project.  Our current soils certifications include:

  • MARTCP Soils and Aggregate Compaction Testing and Asphalt Mixture, including  MARTCP PLANT TECH LEVEL 1, MARTCP HMA Field Testing, MARTCP HMA,  D2950, D5444, D6307 Certifications in these areas are held by Jacob Appel, Derrell Armstrong, Andrew Eason, Charles Grim, Antjuan Mason, John Mason, Jacob Nichter,Michael Selvidge, Joe Taylor, and Cory Trossbach.
  • WACEL Soils Testing          Certifications are held by Andrew Stocking and Joe Taylor.
  • MD State Highway Soils  Recertification has been awarded to Joe Taylor through 2023.  Joe is also designated the Maryland Department of Transportation manager.
Certified Lab and Service - Geotechnical Engineering

Certified Technical Staff

BTE's  commitment to delivering the highest quality construction and testing services to its clientele is paramount to our mission.  Our labs are certified for concrete, soil, asphalt, and aggregate testing.  

With a focus on individual and community safety,  Jacob Appel, Charles Grim, Antjuan Mason, John Mason, Michael Selvidge, Bob Taylor, Joe Taylor, Linda Taylor, and Cory Trossbach hold certification by the Maryland Department of the Environment as drinking water samplers. 

In addition, Jacob Appel, Derrell Armstrong, James Beavers, Andrew Eason, Charles Grim, Antjuan Mason, John Mason, Jacob Nichter, Sarabeth Everheart, Michael Selvidge, Bob Taylor, Joe Taylor, and Cory Trossbach hold APNGA Nuclear Gauge certification, while Bob Taylor is the certified APNGA Portable Nuclear Gauge Safety Officer.  

BTE employs certified, highly skilled personnel to provide unfiltered data for concrete, soils, asphalt, and aggregate tests.   Our technicians will use the latest equipment to accuarately inspect and test all materials for your construction project. 

BTE techicians, managers, and engineers regularly enroll in professional development programs to enhance their skills, and to earn certification or recertification for various industry standards and practices.

You can be assured that all BTE lab and field techs are highly, qualified professionals in whom you can entrust your engineering projects.  Call us today to learn how our services can help you deliver a successful project.


Personalized Customer Service - Geotechnical Engineering

Company-Client Liaison

With our 40 years of well-rounded experiences in the construction industry and our commitment to quality,  BTE will arrange and conduct all your pre-construction investigations.   Our professional and technical personnel will prepare your preliminary designs, estimates, and proposals in accordance with industry standards and best practices in our accredited facilities.  We have a well-educated, experienced staff to personally guide your various projects.  Long term, solid relationships with the necessary residential, commercial, and governmental agencies are hallmarks of our superior, personal customer service. 

Call us today to learn more about our expert services and the qualified staff who deliver them.  You can reach us at 301-862-4300 or by email at

Bob Taylor retains long-term memberships in the following professional associations:

Registered & Licensed Engineers for the State of Maryland | American Society for Testing and Materials™ | AASHTO Materials Reference Laboratory™(AMRL)| County Engineers Society of Maryland | The American Concrete Institute (ACI) | Washington Area Council of Engineering Laboratories, Inc.| The St. Mary's County Chamber of Commerce

Bob Taylor Engineering is located in Lexington Park, Maryland.

Contact us at (301) 862-4300 for versatile geotechnical engineering materials testing.