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Contract Vehicles

Current and future customers can easily access ITSC's services through various contract vehicles including GSA OASIS, GSA OASIS+, GSA MAS, SEAPORT-NXG, and various other purchasing vehicles.

GSA OASIS+

OASIS+
OASIS+

GSA OASIS+ offers federal buyers a Best-in-Class contract vehicle that covers a wide variety of complex professional services and features streamlined acquisition processes to support federal agencies in achieving their goals with speed and efficiency.

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Key Features of OASIS+:

  • Flexible/expandable domain-based structure

  • Global access to commercial and noncommercial structures

  • No contract ceiling or cap on awards

  • Industrial base of highly qualified contractors

  • 10-year ordering period (base of 5 years + one 5-year option period)

  • Non-protestable for awards $10M or less

  • Price evaluation at the contract level

  • Task order solicitation through a single platform, GSA eBuy

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OASIS+

ITSC is holds OASIS+ prime contracts for Total Small Business, Woman Owned Small Business (WOSB), and Unrestricted. Our contract domains include:

  • Management and Advisory Domain

  • Technical and Engineering Domain

  • Logistics Domain

GSA MAS Schedule

The GSA MAS Schedule is a long-term, government-wide contract that provides access to complex professional and information technology services. With pre-negotiated contract terms and ceiling rates, GSA MAS streamlines the procurement process, creating an efficient and cost-effective method for the acquisition of services.

ITSC's Awarded SINs

  • 541330ENG

  • 541420

  • 54151S (which includes: 541511, 541512, 541513, 541519, 518210, 611420)

  • 541611

  • 541715

  • OLM

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GSA MAS

SEAPORT-NXG

Seaport-NXG

Navy's electronic platform for acquiring support services in 22 functional areas including Engineering, Financial Management, and Program Management. 

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ITSC is qualified in all functional areas across all six geographic zones.

MDA SHIELD IDIQ

ITSC is pleased to announce it was awarded contracts for the Missile Defense Agency Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) indefinite-delivery/indefinite-quantity (IDIQ) contract with a ceiling of $151B. This contract encompasses a broad range of work areas that allows for the rapid delivery of innovative capabilities to the warfighter with increased speed and agility. 

Additional Contract Vehicles

ITSC participates as a subcontractor on the following additional contract vehicles:

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  • AMCOM Express - Advisory and assistance services including all supervision, labor, incidental materials, and travel necessary to perform in support of the U.S. Army Aviation & Missile Command (AMCOM) and its customers.

  • Army Responsive Strategic Sourcing for Services (RS3) – Program management and procurement services for Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) and knowledge-based professional engineering services mission requirements.

  • GSA STARS II – Custom computer programming services, computer systems design services, and computer facilities management services.

  • State of Hawaii – Procurement of Acquisition Support Services (PASS). For more information please visit: https://www.naspovaluepoint.org/portfolio/procurement-acquisition-support-services-2019-2024/itsc-secure-solutions/ 

© 2025 by ITSC Secure Solutions, LLC

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