Three decades of serving you.
RGA works with clients to achieve exceptional outcomes. Since 1988, we have helped leaders in their fields accomplish challenging goals, enabling solutions, ensuring a smooth process, and avoiding surprises. Our staff is uniquely qualified and experienced, have long-standing relationships with agency reviewers, and are known and trusted by the agencies that matter. That’s why clients keep coming back to us – they feel certain we will deliver. You will be in good hands with us.
Our staff set us apart.
Over half of RGA’s staff have advanced degrees in history, architectural history, and archaeology; they have completed over 7,000 studies. Our in-house staff comprises everything from zooarchaeologists and military history specialists to GIS and geophysical survey experts.
DBE, WBE, SBE Certified
![](https://richardgrubb.com/wp-content/uploads/2021/11/WOSB-Certified.jpg)
![](https://richardgrubb.com/wp-content/uploads/2021/12/WBE.png)
![](https://richardgrubb.com/wp-content/uploads/2021/12/SBE.png)
![](https://richardgrubb.com/wp-content/uploads/2021/12/DBE.png)
DBE – Disadvantaged Business Enterprise
![2880px-Flag_of_New_Jersey.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_New_Jersey.svg_.png)
New Jersey
![PA-Flag](https://richardgrubb.com/wp-content/uploads/2021/08/PA-Flag.png)
Pennsylvania
![2880px-Flag_of_Delaware.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_Delaware.svg_.png)
Delaware
![flag-New-York-color-uniforms-facings-American-1909](https://richardgrubb.com/wp-content/uploads/2021/08/flag-New-York-color-uniforms-facings-American-1909.jpg)
New York
![2880px-Flag_of_Connecticut.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_Connecticut.svg_.png)
Connecticut
![2880px-Flag_of_Massachusetts.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_Massachusetts.svg_.png)
Massachusetts
![2880px-Flag_of_Rhode_Island.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_Rhode_Island.svg_.png)
Rhode Island
![2x3-florida-flag-image__35706.1582663261](https://richardgrubb.com/wp-content/uploads/2021/08/2x3-florida-flag-image__35706.1582663261.jpg)
Florida
![2x3-north-carolina-flag-image__71663.1582662952](https://richardgrubb.com/wp-content/uploads/2021/08/2x3-north-carolina-flag-image__71663.1582662952.jpg)
North Carolina
![philadelphia copy](https://richardgrubb.com/wp-content/uploads/2021/09/philadelphia-copy.png)
Philadelphia
![1200px-Flag_of_New_York_City.svg](https://richardgrubb.com/wp-content/uploads/2021/09/1200px-Flag_of_New_York_City.svg_.png)
New York City
![maryland](https://richardgrubb.com/wp-content/uploads/2021/09/maryland.jpeg)
Maryland
WBE – Women Business Enterprise
![2880px-Flag_of_New_Jersey.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_New_Jersey.svg_.png)
New Jersey
![PA-Flag](https://richardgrubb.com/wp-content/uploads/2021/08/PA-Flag.png)
Pennsylvania
![flag-New-York-color-uniforms-facings-American-1909](https://richardgrubb.com/wp-content/uploads/2021/08/flag-New-York-color-uniforms-facings-American-1909.jpg)
New York
![2880px-Flag_of_Delaware.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_Delaware.svg_.png)
Delaware
![2x3-north-carolina-flag-image__71663.1582662952](https://richardgrubb.com/wp-content/uploads/2021/08/2x3-north-carolina-flag-image__71663.1582662952.jpg)
North Carolina
![maryland](https://richardgrubb.com/wp-content/uploads/2021/09/maryland.jpeg)
Maryland
![1200px-Flag_of_New_York_City.svg](https://richardgrubb.com/wp-content/uploads/2021/09/1200px-Flag_of_New_York_City.svg_.png)
New York City
![philadelphia copy](https://richardgrubb.com/wp-content/uploads/2021/09/philadelphia-copy.png)
Philadelphia
![1200px-Flag_of_the_Port_Authority_of_New_York_and_New_Jersey.svg](https://richardgrubb.com/wp-content/uploads/2021/09/1200px-Flag_of_the_Port_Authority_of_New_York_and_New_Jersey.svg_.png)
Port Authority of NY & NJ
![](https://richardgrubb.com/wp-content/uploads/2021/12/Flag_of_Tennessee.png)
Tennessee
SBE – Small Business Enterprise
![2880px-Flag_of_New_Jersey.svg](https://richardgrubb.com/wp-content/uploads/2021/08/2880px-Flag_of_New_Jersey.svg_.png)
New Jersey
![PA-Flag](https://richardgrubb.com/wp-content/uploads/2021/08/PA-Flag.png)
Pennsylvania
![2x3-north-carolina-flag-image__71663.1582662952](https://richardgrubb.com/wp-content/uploads/2021/08/2x3-north-carolina-flag-image__71663.1582662952.jpg)
North Carolina
![1200px-Flag_of_the_United_States.svg](https://richardgrubb.com/wp-content/uploads/2021/09/1200px-Flag_of_the_United_States.svg_.png)
USA
GSA & SAM
![web-sam-logo-300x102](https://richardgrubb.com/wp-content/uploads/2021/08/web-sam-logo-300x102-1.png)
![gsa](https://richardgrubb.com/wp-content/uploads/2021/08/gsa-scaled.jpg)