The working waterfront
Port, maritime & logistics
Explore the Port of Baltimore, freight connections and the businesses supporting the movement of goods.
Explore the portBusiness and the working waterfront
Port, trade and government contracting.
Understand the Baltimore port economy, find official bid portals and check the industry classifications relevant to your work.
Two connected worlds
Choose where to start.
Doing business with government
Government contracting
Find official bid portals, search industry classifications and prepare for the next contracting conversation.
Explore government contractingGo to the issuing buyer
Find an official procurement resource.
Browse this selection of official bid portals and supplier-support resources. Check the issuing buyer for deadlines, amendments, eligibility and submission instructions.
9 of 9 resources
Maryland
Maryland procurement and eMMA
Find state purchasing resources and follow the official eMMA route to solicitations.
Visit the official resourceFederal
Federal contract opportunities
Search federal notices and review the issuing agency’s instructions and amendments.
Visit the official resourcePort of Baltimore
Maryland Port Administration purchasing
Find port procurement information and follow MPA’s eMMA links to solicitation details.
Visit the official resourceMaryland
Maryland APEX Accelerator
Explore government-contracting counseling, training and supplier support.
Visit the official resourceAnne Arundel County
Anne Arundel County purchasing
Use the county’s Harbor procurement links for current bid opportunities and supplier information.
Visit the official resourceBaltimore City
Baltimore City bid opportunities
Search city bids, then open the notice for current documents, amendments and submission instructions.
Visit the official resourceHoward County
Howard County procurement
Find current solicitations and the county’s PlanetBids links.
Visit the official resourceHarford County
Harford County contract opportunities
Check the county’s open contract list and Bonfire portal for documents and updates.
Visit the official resourceCarroll County
Carroll County open bids
Follow the county’s Public Purchase route to available bid documents and updates.
Visit the official resourceResource links checked October 2, 2026. Search covers the nine resources listed here. Open the issuing portal for current notices and bid documents.
Know the classification
Explore useful NAICS codes.
Browse a selected set of 2022 North American Industry Classification System codes. Use the Census catalog for the full definitions and current classification guidance.
21 classifications in this selected catalog
Computer Systems Design Services
Look up this code at CensusOther Computer Related Services
Look up this code at CensusCustom Computer Programming Services
Look up this code at CensusComputer Facilities Management Services
Look up this code at CensusEngineering Services
Look up this code at CensusResearch and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Look up this code at CensusSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Look up this code at CensusAdministrative Management and General Management Consulting Services
Look up this code at CensusOther Management Consulting Services
Look up this code at CensusOther Scientific and Technical Consulting Services
Look up this code at CensusAll Other Professional, Scientific, and Technical Services
Look up this code at CensusFacilities Support Services
Look up this code at CensusJanitorial Services
Look up this code at CensusCommercial and Institutional Building Construction
Look up this code at CensusPlumbing, Heating, and Air-Conditioning Contractors
Look up this code at CensusSecurity Guards and Patrol Services
Look up this code at CensusEnvironmental Consulting Services
Look up this code at CensusShip Building and Repairing
Look up this code at CensusFreight Transportation Arrangement
Look up this code at CensusGeneral Warehousing and Storage
Look up this code at CensusComputing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
Look up this code at CensusOpen the full U.S. Census NAICS catalog. A classification does not establish certification, a set-aside, business size eligibility or a contract award. Maryland Authority has not assigned these codes to directory organizations.
The working waterfront
Understand the port and its connections.
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Prepare for federal contracting with SAM registration, NAICS research, a useful capability statement and a focused first conversation with a potential prime.
Read the storyReach a relevant business audience
Put your expertise in context.
Ask about a clearly labeled profile or placement alongside Maryland business coverage.
Maryland Authority is an independent publication. Coverage and advertising do not imply government affiliation, procurement access, certification or a contract award.