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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

  • 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 Derrell Armstrong, James Beavers, Andrew Eason, Sarabeth Everheart, Charles Grim, Antjuan Mason, John Mason, Shawn Redman, Michael Selvidge, Cory Trossbach, Andrew Stocking, and Joe Taylor. 
  • MD State Highway Soils  Recertification has been awarded to Joe Taylor.  Joe is also designated the Maryland Department of Transportation soils manager.
  • Two new certifications have been granted to Joe Taylor of BTE.  Joe has been certified as an Airfield Asphalt Pavement Inspector by the Asphalt Institute/Asphalt Academy.  And he has been named an Airfield Asphalt Pavement Control Manager by the National Center for Asphalt Technology.
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 adhere to all guidelines and processes set forth by the  American Association of State Highway and Transportation Officials.   AASHTO is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway design and construction throughout the United States.  The association promotes quality and the achievement of excellence in constructions materials testing (CMT).  Its guidelines include the industry standards for 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.  In its labs, BTE employs only qualified staff who have successfully completed the necessary requirements to hold individual certifications.

BTE current certifications 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

Our 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 Derrell Armstrong, James Beavers, Andrew Eason, Sarabeth Everheart, Charles Grim, John Mason,  Shawn Redman, Michael Selvidge, Andrew Stocking, Bob Taylor, Joe Taylor, Lester Thompson, 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. 

MARTCP Soils and Aggregate Field Certifications are held by the following BTE staff:  Charles Grim, Antjuan Mason,John Mason, Michael Selvidge, Joe Taylor, and Cory Trossbach.

MARTCP HMA Field Certifications have been awarded to Andrew Eason, Charles Grim, Antjuan Mason, John Mason, Shawn Redman, and Bob Taylor.

MARTCP Plant I Lab Certifications are held by Shawn Redman, Andrew Stocking, and Joe Taylor.

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, Charles Grim, Antjuan Mason, John Mason, David Selvidge, Michael Selvidge, Bob Taylor, Joe Taylor, and Cory Trossbach hold certification by the Maryland Department of the Environment as drinking water samplers.

During Fall 2023,  Bob Taylor completed all required course work and is now certified by the Maryland Department of the Environment to install Sand Mound Systems in the State of Maryland.  MDE certification is valid through December 2028.

Through their Radiological Health Program MDE strictly oversees Maryland companies which use radioactive materials for industrial purposes.  Licensure by MDE insures that companies whose employees are handling radioactive materials have successfully completed rigorous training programs to insure environmental and personal safety.  BTE,  under the supervision of Bob Taylor and assisted by Michael Selvidge, has successfully met all necessary requirements and its radioctive matierals lab has been granted a license renewal through 2029.  In addition,  BTE staff members Derrell Armstrong, James Beavers, Andrew Eason, Charles Grim, Sarabeth Everheart, Antjuan Mason, John Mason, Joe Taylor, Lester Thompson,and Cory Trossbach are  APNGA Nuclear Gauge certified.  Sarabeth Everheart received APNGA's Nuclear Gauge recertification in January 2023, as did Joe Taylor in February 2023 and Antjuan Mason in April 2023

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

MDE Wastewater Professionals

During its 2022 legislative session, the Maryland General Assembly passed legislation establishing the State Board of On-Site Wastewater Professionals.  The law (Title 9. Subtitle of the Environment Article) requires an individual who provides on-site wastewater services in the State of Maryland to be licensed by the Board.

On-site wastewater services are defined as any activity associated with the design, installation, operations, maintenance, pumping, repair, or property transfer inspection of an on-site wastewater system.  BTE is proud to announce that both Bob Taylor and Joe Taylor have successfully completed the mandatory training and succesfully passed the examinations which license them as On-Site Wastewater Professionals in the State of Maryland.  This certification allows BTE to install Sand Mound Systems in the State of Maryland.

Company Client Liaison

With our 42 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) | 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.