Greater DC Area Metro based 
​A/V engineering firm with a primary focus on mission critical AV systems and Live event productions.
Our People:

Our people are highly skilled and credentialed; all personnel are qualified Subject Matter Expert's (SME) making our company very unique and highly qualified to address the greatest technical challenges.
Industry Standards:
We are a standards based company and are an industry partner helping to create the next generation of standards. We have employees with published articles in professional industry publications. We are an active member of as well as adhere to the standards from the following organizations: InfoComm, SMPTE, AES, HFES, IEEE, ANSI, ISO, and NFPA.
Industry, Professional and Government Certificatons:
  • AMX Certified
  • Biamp
  • Crestron Certified
  • Extron Certifed GCP, EAP
  • Harman HCCP, HCNP, HCCA Certified
  • InfoComm CTS, CTS-D, CTS-I
  • ​Polycom
  • QSC
Manufacturer Training:
  • AMX/SVSI
  • AVID
  • Biamp
  • BSS/London Sound
  • Clearone
  • Crestron
  • Audianate (Dante)
  • Extron
  • Grass Valley
  • Planar
  • Shure
  • Utelogy
  • QSC
We are always happy to bring on a new client, reach out to us today to see how we can help your organization.

Contracting Information
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NAICS Codes
CSG is registered for North American Industry Classification System (NAICS) Codes:
  • 238210 – Electrical Contractors and Other Wiring Installation Contractors
  • 237130 – Power and Communication Line and Related Structures Construction
  • 238990 – All Other Specialty Trade Contractors
  • 334290 – Other Communications Equipment
  • 517110 – Wired Telecommunications Carriers
  • 518210 – Data Processing, Hosting, and Related Services
  • 541330 – Engineering Services
  • 541512 – Computer Systems Design Services
  • 541513 – Computer Facilities Management Services
  • 541519 – Information Technology Value Added Resellers & Other Computer Related Services
  • 541618 – Telecommunications Management Consulting Services
  • 541690 – Other Scientific and Technical Consulting Services
  • 541712 – Research and Development in the Physical, Engineering, and Life Sciences
  • 517919 – All Other Telecommunications
  • 541990 – All Other Professional, Scientific, and Technical Services
  • 561210 – Facilities Support Services
  • 561621 – Security Systems Services 
  • ​334220 - Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
  • 334310 - Audio and Video Equipment Manufacturing
  • ​334220 - Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
  • 334310 - Audio and Video Equipment Manufacturing