GSA Multiple Award Schedule (MAS) – Information Technology Category (GS-35F-0431X)

Addx holds a GSA MAS contract vehicle (GS-35F-0431X) with capabilities in the Information Technology Category to provide the full range of general purpose commercial Information Technology equipment, software and services defined by the SINs and NAICS detailed below.

Click HERE for more information on GSA MAS IT.

Special Item Number (SIN)

SIN 54141S – Information Technology (IT) Professional Services
SIN 518210C – Cloud and Cloud-Related IT Professional Services
SIN OLM – Order Level Materials

North American Industry Classification System (NAICS)

541511 Custom Computer Programming Services
541512 Computer Systems Design Services
541513 Computer Facilities Management Services
541519 Other Computer Related Services

GSA MAS IT Corporate Point of Contact:


John Millward
VP, Federal Civilian Market
703-933-7637 x 223
jmillward@addxcorp.com