the technical resource consultant....
"Design Oriented Architectural & Engineering firms" want to work with.

Let our firm bring added value to your team...

We have developed technical building specifications for nearly
$4 billion in construction projects.

Thomas Berger, Managing Principal



NEW Los Angeles Area Office

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DTR Consulting Services has recently established a new Los Angeles Area Office to better serve our A/E Clients in the Southern California area.

Overseeing this new office is the Firm’s Managing Principal, Thomas Berger, CSI, CDT, SCIP.   In addition to running the Sacramento Area Office, he is overseeing the start-up and oversight of this new office.  DTR Consulting Services has been working with Architectural Clients in the Los Angeles and San Diego Area for years.  This expansion allows DTR to build on our current client base and to expand our Firm to better serve our current and future A/E Clients.

Tom will also be responsible to recruit the best new staff, the area has available.  He will be in charge coaching new staff members into the existing DTR Culture and provide training for both experienced and junior members in the DTR approach to serving our clients.

Tom joined our team in 2002, as a Senior Specification Writer/ Quality Control person.  He has over 29 years Architectural & Construction experience. He has worked with several national A/E Firms including running a very profitable office in Northern California for his previous employer.  Tom has also been a very successful CSI Certification Chair for the Sacramento Chapter, teaching courses in Construction Document Technologist (CDT) with 100% pass rate over the last 3 years. He has also taught courses in "Architectural Studies" including AutoCad.

Please help us Celebrate this new Office Opening…

Updated: April 2012


Industry News:

4 specs


Dynaflair Corporation - name change to Security Closures
Irwin Telescopic Seating Company - merged into Irwin Seating Co.
Compudyne - changed company name to Norment Security Group, had previously combined Norshield Security Products
Dynamic Lighting - name change to Amerlux Exterior
Alcan Composites USA - name change to 3A Composites USA
Oldcastle Glass is now Oldcastle BuildingEnvelope

Updated: January 03, 2011

Professional Events:

Conferences & Seminars

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Green California Summit & Exposition- Sacramento, CA
April 19 - 20, 2011

AIA National Convention - New Orleans
May 12 - 14, 2011

CSI Construct 2011 - Chicago, IL
September 13 - 16, 2011

Cal Green Seminars - California
January thru April 2011

Updated: January 16, 2011


DTR Consulting Services

Send your comments to:

Attention: Management

1221 Pleasant Grove Blvd, Suite 120

Roseville, California, USA



Take I-80 East through Sacramento (towards Lake Tahoe) to Highway 65 Exit, Exit 106. Continue on Highway 65, 2.4 miles to Exit 308, Pleasant Grove Blvd Exit. Turn left onto Pleasant Grove Blvd for 2.1 miles. Turn left into the Pleasant Grove Professional Center parking lot before you get to the Foothills Blvd intersection. Make another left after entering the Center entrance. Our building is the second building on the left , next to the round-a-bout drive fountain


Contact List:

Contact via email:

For Service information or assistance:

Comments will be forwarded to the appropriate Principal, or Staff person to address your comments in a timely manner.


For Employment inquiries or assistance:



Roseville Office:

(916) 772-3600

Outside normal business hours, including Saturdays, Sundays and federal holidays please leave a message.  A customer representative will contact you within 24 hours of the first business day.




S.F. North Bay Office:

(707) 578-3600 or(415) 261-8544

Los Angeles Office:

(949) 260-3600

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