Contract Vehicles

GSA IT Schedule 70

STSI’s GSA Multiple Award Schedule Contract # GS-35F-404DA, awarded in 2016, enables us to offer federal government clients the following services:

Professional Information Technology Services
(SIN 132-51) including:

  • IT Facility Operation and Maintenance
  • IT Systems Development Services
  • IT Systems Analysis Services
  • Automated Information Systems Design and Integration Services
  • Programming Services
  • IT Backup and Security Services
  • IT Data Conversion Services
  • Other Information Technology Services, Not Elsewhere Classified

STSI’s North American Industry Classification System (NAICS) Codes include:

  • 518210 – Data Processing, Hosting, and Related Services
  • 541511 – Custom Computer Programming Services
  • 541512 – Computer Systems Design Services
  • 541519 – Other Computer Related Services
  • 541611 – Administrative Management and General Management Consulting Services
  • 541618 – Other Management Consulting Services
  • 541690 – Other Scientific and Technical Consulting Services
  • 541990 – All Other Professional, Scientific, and Technical Services
  • 611420 – Computer Training

STSI’s GSA Schedule 70 Rates

STSI’s GSA Schedule 70 Customer Information

STSI’s Legacy GSA Schedule 70 Rates – Awarded 1999

STSI’s Legacy GSA Schedule 70 Customer Information – Awarded 1999


GSA Professional Services Schedule OO-CORP

STSI’s GSA Multiple Award Schedule Contract # 47QRAA18D005J, awarded in 2018, enables us to offer federal government clients the following services:

Integrated Consulting Services and Information Technology (IT) Professional Services

  • SIN 874-1
  • SIN 132-51

STSI’s GSA Professional Services Schedule OO-CORP Rates

STSI’s GSA Professional Services Schedule OO-CORP Customer Information



EPA’s Comprehensive Infrastructure Support Services contract is an EPA-wide vehicle spanning four GSA schedules. The multiple award $211 million BPA covers facilities management; safety, health & environmental management; security management; and IT and general support. All EPA offices, regions and labs can make use of the BPA.

EPA ITS-BISS III (Subcontract)

EPA’s Information Technology Solutions – Business Information Strategic Support (ITS-BISS) III contract provides a broad range of IT support services to EPA offices and regions. STSI is on the vehicle as a subcontractor in Functional Area 1.

FDIC ITAS II (Subcontract)

STSI supports multiple task orders under the FDIC Information Technology Application Services (ITAS) II contract vehicle. The scope of work includes application development, modernization and support – as well as enterprise-wide DevOps adoption and support.


STSI is a prime contract holder on NRC’s Maintenance, Operations and Modernization contract vehicle, Functional Area 3. The $50 million IDIQ contract covers requirements, design and rapid prototyping for IT application modernization for the Nuclear Regulatory Commission.