Federal Government
At Sellers & Associates, "Adding Value, Reducing Risk" is more than our slogan—it’s our guiding principle. We empower government agencies by blending deep industry expertise with innovative strategies. Our commitment helps civilian and defense organizations navigate challenges and turn complexity into opportunity for lasting success.
Insight and ingenuity that excel
In an increasingly complex landscape, Sellers & Associates partners with federal agencies to deliver tailored solutions that drive mission success. As a Veteran-Owned Small Business, we combine deep expertise with innovative strategies, offering customized services that address each client’s unique requirements, culture, and operational dynamics.
From project and program management to cybersecurity, engineering, logistics, and technical training, we transform challenges into opportunities. With a focus on precision and adaptability, we don’t just respond to change—we collaborate with our government partners to define the future, reducing risk and adding lasting value at every step.
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Federal Markets
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Department of Defense (DoD)
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United States Navy (USN)
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United States Army (USA)
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United States Air Force (USAF)
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Department of Homeland Security (DHS)
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United States Coast Guard (USCG)
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Customs & Border Patrol (CBP)
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Immigration & Customs Enforcement (ICE)
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Cybersecurity & Infrastructure Security Agency (CISA)
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Other Federal Agencies
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Department of State (DOS)
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Department of Interior (DOI)
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Department of Treasury (DOT)
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Department of Energy (DOE)
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Core Offerings for our Federal Markets
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Federal Contract Vehicles
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Seaport NXG
Contract # N0017819D8492
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OASIS+ SBSA
Contract # 47QRCA25DS614
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Tech & Engineering Domain
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Management & Advisory Domain
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OASIS+ UNR
Contract # 47QRCA25DU292
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Tech & Engineering Domain
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Management & Advisory Domain
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GSA Multiple Award Schedule (MAS)
Contract # 47QRAA20D0099
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Federal Contracts
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GSA MAS
The Federal Supply Schedule (FSS) program includes the Multiple Award Schedule (MAS) and the Department of Veterans Affairs (VA) Schedules. Under the MAS Program, GSA issues long-term governmentwide contracts that provide federal, state, and local government buyers access to commercial products, services and solutions at pre negotiated pricing. The GSA Schedule is structured to support the 12 large categories established by OMB under the category management approach of smarter buying. The Schedule is further divided into subcategories and Special Item Numbers (SINs) that are aligned to NAICS codes to simplify the process for buyers and sellers to understand the scope of GSA’s offerings and find what the products and services they are looking to buy or offer.
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SeaPort-NxG
SeaPort-NxG is the Navy’s electronic platform for acquiring support services in 23 functional areas including Engineering, Financial Management, and Program Management. The Navy Systems Commands (NAVSEA, NAVAIR, NAVWAR, NAVFAC, and NAVSUP), the Office of Naval Research (ONR), Military Sealift Command (MSC), and the United States Marine Corps (USMC) compete their service requirements amongst 2400+ SeaPort-NxG Indefinite Delivery Indefinite Quantity (IDIQ) multiple award contract holders.
Simply stated, SeaPort-NxG provides an efficient and effective means of contracting for professional support services and enhancing small business participation. The Navy conducts Rolling Admissions to allow new industry partners the opportunity to participate. Updates to the Rolling Admissions schedule are posted on this website as well as FedBizOpps.
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GSA OASIS+
One Acquisition Solution for Integrated Services Plus or OASIS+ is a suite of governmentwide, multiple-award, Indefinite Delivery/Indefinite Quantity (IDIQ) contracts designed to support federal agencies’ procurement requirements for services-based solutions.
Domains include:
Management and Advisory
Technical and Engineering
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Naval Training Products and Services (NTPS)
Indefinite Delivery/Indefinite Quantity (IDIQ) Multiple Award Contract (MAC) for the acquisition of
education and training products and related support services for the NETC Domain, Direct Reporters,
Component/Subcomponent Commands, Learning Centers, Learning Sites, NTF organizations, and other Department
of the Navy (DON) customers fundamental to Fleet readiness.
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SBIR
Delivering A Data-Driven Decision Advantage Through Innovation - S&A is proud to build on the success of our Small Business Innovation Research (SBIR) Phase I project, which established the foundation for a data-driven performance measurement and proficiency system. Building on this framework, we are expanding into follow-on SBIR efforts to deliver advanced data analytics solutions to our DoD and DHS customers. Our adaptable analytics platform enables customers to connect, integrate, and analyze data from diverse systems, transforming complex information into clear, actionable insights. This approach supports faster, more informed decision-making and strengthens the analytics-enabled workforce essential to maintaining mission readiness and adapting to the ever-changing threat landscape of today’s modern world. Through predictive analytics, tailored toolsets, and data visualization, S&A helps customers increase operational efficiency, anticipate challenges, and identify opportunities for innovation. We are committed to advancing the Navy’s digital transformation goals by providing solutions that turn data into a strategic decision advantage.