SDVOSB
Service-Disabled Veteran-Owned Small Business positioning.
Service Disabled Veteran Owned Small Business (SDVOSB)
Colossal Contracting provides secure, compliant, mission-critical IT solutions and professional services for government and commercial customers.
Service-Disabled Veteran-Owned Small Business positioning.
IT solutions and services for public and private sector customers.
Strategy, design, implementation, and managed support.
Turn-key solutions for complex systems and networks.
Technology sourcing through established contract vehicles.
OEM and technology partners aligned to customer requirements.
Our Capabilities
A clear view of Colossal service and solution areas for government and enterprise customers.
Network design, installation, custom hardware and software design, and integration services.
Learn MoreTurn-key IT solutions for systems, networks, data centers, security, and collaboration environments.
Learn MoreTechnology procurement support across OEM partner ecosystems and government contract channels.
Learn MoreResilient and efficient data center practices for government and commercial locations.
Learn MoreSecurity solutions shaped by federal requirements and mission-critical operations.
Learn MoreCommunication and collaboration solutions across voice, video, mobility, and messaging.
Learn MoreSecure healthcare technology support for private and public sector healthcare organizations.
Learn MoreAI-related offerings that start with infrastructure, security, governance, and operational readiness.
Learn MoreMarkets Served
Colossal supports customers across civilian, defense, healthcare, and commercial environments with practical IT services and procurement support.
Colossal works closely with federal agency customers to understand requirements and the factors that influence decisions.
Colossal has supported Department of Defense customers since 2009 and continues to serve the DoD community.
Colossal supports government healthcare environments across HHS, VA, DoD Medical, and Tribal Medical Facilities.
Colossal serves government and commercial clients with IT solutions and services.
Contracts & Procurement
Procurement paths are easier to evaluate when contract information is organized, searchable, and tied to the customer mission.
Trusted Partners
Colossal works across a broad technology ecosystem to support customer requirements.
Trusted by Mission-Driven Organizations
Colossal supports mission-driven organizations with practical technology delivery, procurement support, and long-term customer focus.








Built on Military Core Values
Colossal's story begins with service, trusted teammates, and a commitment to customer missions. The message remains intact, presented with a cleaner enterprise tone.
During Anthony Closson's final assignment at Joint Base Andrews as an IT Project Manager, he cemented the foundation of his dream to start Colossal Contracting. The company continues to carry that foundation forward through service, accountability, and technical execution.
Learn More About UsHeadquartered in Annapolis, Maryland. Call 443-961-9366 or send a request to connect with Colossal.
Reach the Annapolis headquarters or connect directly with the right team.
Headquarters 304 Harry S Truman Parkway, Suite GAnnapolis, MD 21401 443-961-9366 View Map