The Robert B. Balter Company offers geotechnical and geoenvironmental engineering, Special Inspections, quality assurance/quality control (QA/QC), Acceptance Testing, Civil and Materials Inspection, Materials Laboratory Testing, and  Subsurface Exploration Services.


Through two generations of service, Balter has developed a solid reputation as among the most experienced geotechnical engineering firms in the Mid-Atlantic region providing our expertise for the design and construction of more than 17,500 projects throughout the United States and Internationally.

We are dedicated to our client's individual needs, and offer a nucleus of talented individuals with an unwavering commitment to ensure the success of each project.

Exceptional Accreditations to Support our Engineering Services...        

  • AASHTO R-18 Standard Recommended Practice for Establishing and Implementing a Quality System for Construction Materials Testing Laboratories
  • ASTM E329 Testing and Inspection of Construction Materials
  • ASTM C1077 Concrete and Concrete Aggregates 
  • ASTM D3666 Roads and Paving Materials 
  • ASTM D3740 Soil and Rock in Design and Construction
  • ASTM C1093 Unit Masonry
  • ER 1110-1-261 US Army Corps of Engineers validations (military facilities)  
  • Construction Quality Management (CQM) (certified) for USACE & NAVFAC for Inspection and Testing of Military Facilities  
  • WACEL in all building materials 
  • NASSCO PACP, MACP, LACP and ITC for CIPP                            

Our personnel hold professional engineering and geology licenses, and advanced certifications including NICET, NASSCO, ERLPM, ACI, AHERA, MARTCP, WACEL, and other nationally recognized agencies.                                                                  

Balter has recently been recognized as a Woman-Owned Business (WBE) and Small Business Reserve (WOSB) through various Federal, State and Local Agencies.    


We welcome John DeRubeis as our Drilling Manager and look forward to this new chapter in the continuing growth of our firm.  John and his family joined us from Florida and bring an exposure to national accounts and specialty drilling services.      

In line with this evolution, we are pleased to announce the purchase of a two new Drill Rigs to expand our fleet.                 

Very excited to announce several recent project awards:   

DDOT (Washington DC) Geotechnical Engineering Services IDIQ

Verification Coring and Subsurface Explorations at Buckeye Lake, Ohio 

CM Services Runway 27L Extension for Philadelphia International Airport

A/E Design Services for Airfield Panel Replacement at Washington Dulles International Airport 

Terminal B/C Redevelopment Program at Ronald Reagan Washington National Airport

On Call Architectural Design Services for Philadelphia International Airport 

CM Services for the CEP Stage 1 Airfield Development Project for Philadelphia International Airport 

32,000 LF Force Main/Outfall Sewer/Interceptor Geotechnical Study from Gunpowder to White Marsh for Baltimore County

A/E Task Order Design Services Ronald Reagan Washington National Airport, Washington Dulles International Airport, and Dulles Toll Road System

The Crescent, Columbia Maryland 

CM/Inspection and Testing for WWTP ENR Upgrade for City of Frederick

Infrastructure and Environmental Assessment BOA, Contracts #461 & #462, DC Water 

Public Safety Training Facility Campus for Montgomery County, MD

CM Contract 4E for DC Water   

Project News...

The Robert B. Balter Company is pleased that Transient Wounded Warrior Lodge and Parking Structure, National Naval Medical Center in Bethesda, MD is now operational.    This project includes TWWL, a 135,416 SF multi-story building, and the Parking Garage, a 161,016 SF 5-level structure with space for 470 vehicles. This is a LEED Gold Design/Build project.

Balter is providing Special Inspections and Materials/Inspection Engineering for DC Water's Enhanced Nitrogen Removal Facility . This $166 million project represents that latest technology and includes seawalls, tunnels, tie-backs, jet grouting, soil nailing, and extensive excavation, shallow and foundations, geo-synthetics, and superstructures.



(Pictured) MWAA Airport Improvement Program/ QA/QC,  Special Inspections and Consulting Services for Ronald Reagan Washington National (DCA) and Washington Dulles International (IAD) Airports      

Balter is currently participating on a wide array of exceptional projects for Federal, State, Municipal, Agency, and Privately-funded clients.