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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.

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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