Our Manufacturer Lines
Gamber-Johnson is a leading supplier of rugged mounting systems that safely secure mobile communication systems, computers and other electronic equipment in fleet vehicles, public safety vehicles, forklifts and other mobility applications.
SoundOff Signal is committed to providing superior lighting and control productsand services, produced in an environment of continuous improvement, that meet orexceed requirements and expectations for quality and delivery.
Our Manufacturer Representatives
Dana Marsh
Rep. Principal
Entered the manufacturer’s representative space in April of 1996. Past experience as firefighter EMT and police officer.
Contact
770-825-6158
dana@dtmrepgroup.com
Robert Marsh
Covering Eastern Florida coast and Florida Panhandle.
US Navy rescue swimmer, Door
Gunner, SAR HSC26 for 6 years
Contact
678-710-5122
robertmarsh@dtmrepgroup.com
Robert McDowall
Covering Texas for Gamber- Johnson
and Soundoff Signal.
US Navy as rescue swimmer, Door
Gunner, SAR for 6 years
Contact
770-468-1825
robertmcdowall@dtmrepgroup.com
Joseph Laverty
Covering Tennessee and Kentucky for
Gamber – Johnson
and Tennessee for Soundoff Signal
3 years as a Fire Fighter EMT with Karnes Fire in TN and Charleston Fire Dept in SC.
6 years as a Search and Rescue Corpsman with US Navy in HSC26.
Contact
865-363-8843
joe@dtmrepgroup.com
David Berman
Covering NJ, NY, PA
Former police officer for a Northeastern Pennsylvania police department. Later he was an instructor at the police academy. Then took to the road as a Master Instructor for Combined Systems Inc. and Stinger Spike Systems.
He began his manufacturers’ rep career in the early 1980s and continues to the present day.
Contact
802-236-7222
davidberman@dtmrepgroup.com
Don Demoss
Covering New England States, Long Island, NY.
Representative/Manager with a career that spans over 30+ years in the Law Enforcement, Marine, Fishing, Hunting, Camping and Sporting Goods Industry. Key lines represented: Beretta, Kershaw, Danner Boots, Rocky Boots, Desert Eagle, Redfield, Zeiss Optics, Eureka.
Contact
281-734-7488
donjdemoss@dtmrepgroup.com
Jake Harris
Covering Alabama, Mississippi, Louisiana,
and Northern Georgia.
Jake came to us 1.5 years ago after being involved in logistics and sales for a large dealership selling vehicles fully upfitted.
Contact
256-996-5484
jakeharris@dtmrepgroup.com
James Price
Covering Southern Texas
Over a decade of experence working in the public Safety space and a passion for first repsonders. James brings 24 years of sales experience.
Contact
480-559-0991
jamesprice@dtmrepgroup.com
Ken Rose
Covering Georgia
Ken Rose retired from the Fayette County Sheriff’s Office, Georgia and has served in State, Federal and International Law Enforcement for over 30 years. He comes to DTM after spending the last 10 years in Law Enforcement product sales in the Southeast US, concentrating in the Georgia market.
Contact
770-712-9674
kenrose@dtmrepgroup.com
Rob Cornelius
Covering the West Coast of Florida.
Rob worked for Harley Davidson for years giving demonstrations to traffic
units then made the change as a territory rep with a major distributor.
Contact
863-559-7544
robcornelius@dtmrepgroup.com
Russ Campbell
Covering North and South Carolina,
Virginia, West Virginia, Maryland for
Gamber Johnson.
Russ has been a manufacturer’s representative for 20 years in the Carolinas
Contact
803-730-2714
russ@dtmrepgroup.com
About DTM REP Group
for a safer tomorrow.
DTM Sales and Marketing is a manufacturers rep group covering the Southeast US for Gamber-Johnson and Soundoff Signal.
Our responsibilities are field support, training, and product presentations to agencies and dealers in the Southeast.
DTM Sales and Marketing was started in 2012 and has seven highly experienced representatives covering the Southeast US.
There are several key reasons why choosing DTM Sales and Marketing for your law enforcement and commercial fleet products is the wise decision:
Expertise: DTM has a team of experienced professionals who have an in-depth understanding of the law enforcement and commercial fleet industries. They have the knowledge and expertise to help you make informed decisions and choose the right products that meet your specific needs.
High-quality products: DTM offers a wide range of high-quality products from some of the most reputable brands in the industry. They only work with manufacturers who produce top-notch products that are reliable, durable, and effective.
Customer service: DTM is committed to providing exceptional customer service. They understand the importance of building long-term relationships with their customers, and they go above and beyond to ensure their satisfaction.
Competitive pricing: DTM offers competitive pricing on all their products. They understand the importance of affordability, and they work hard to provide their customers with the best possible pricing.
Flexibility: DTM is flexible and can accommodate your unique needs. They can help you customize products to meet your specific requirements, and they offer various payment options to make your purchasing experience as seamless as possible.