- Belgium-Brussels: UCA 21/048 Periodic and statutory inspections of installations in the buildings of the General Secretariat of the Council in Brussels and surrounding areas
- Belgium-Uccle: Computer equipment and supplies
- Belgium-Brussels: Scientific, Technical and Secretarial Assistance in the Field of Scientific Customs (Lot 1 — ECICS, Lot 2 — Sampling)
- Belgium-Bierbeek: Credit granting services
- Belgium-Brussels: Accelerated Closure of Open Cases from ERDF Programmes in Germany for the Programming Period 2000-2006 (2021CE160AT073)
- Belgium-Charleroi: Pharmaceutical products
- Belgium-Geel: X-ray contrast media
- Belgium-Bruges: Miscellaneous building structures
- Belgium-Brussels: Geology, oceanography and hydrology services
- Belgium-Brussels: Medical breathing devices
- Belgium-Geel: Road transport services
- Belgium-Grimbergen: Construction work
- Belgium-Liège: Occupational clothing, special workwear and accessories
- Belgium-Liège: Technical control services
- Belgium-Mol: Architectural, construction, engineering and inspection services
- Belgium-Montignies-sur-Sambre: Building construction work
- Belgium-Brussels: Railway construction works
- Belgium-Brussels: Strict civil liability insurance in the event of fire and explosion
- Belgium-Liège: Repair and maintenance services of firefighting equipment
- Belgium-Beveren: Social work and related services
- Belgium-Herstal: Household-refuse collection services
- Belgium-Willebroek: Cleaning and polishing products
- Belgium-Antwerp: Special-purpose motor vehicles
- Belgium-Brussels: Call for Expressions of Interest
- Belgium-Verviers: Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork
- Belgium-Vilvoorde: Composting services
- Belgium-Overijse: Architectural and related services
- Belgium-Floreffe: Refuse disposal and treatment
- Belgium-Brussels: Monitoring and Analysis Services of the Estonia Media
- Belgium-Ghent: Security, fire-fighting, police and defence equipment
- Belgium-Brussels: A Study on bringing AMR Medical Countermeasures to the Market
- Belgium-Brussels: VECTO Extension to cover Electric Vehicles and Additional Powertrains
- Belgium-Ixelles: Medical furniture
- Belgium-Rumbeke: Architectural and related services
- Belgium-Seraing: Repair services of garments and textiles
- Belgium-Arlon: Architectural, engineering and planning services
- Belgium-Charleroi: IP telephone services
- Belgium-Wavre: Paper or paperboard registers, account books, binders, forms and other articles of printed stationery
- Belgium-Herent: Architectural and related services
- Belgium-Brussels: Radio, television, communication, telecommunication and related equipment
- Belgium-Eeklo: Refuse transport services
- Belgium-Bertrix: Medical equipments, pharmaceuticals and personal care products
- Belgium-Brussels: Provision of paediatrics services in early childhood centres of the European Commission in Brussels
- Belgium-Brussels: Study on the Assessment of Micro and Macro-Economic Returns of Social Protection Expenditure
- Belgium-Fleurus: Radioactive materials
- Belgium-Pelt: Backup or recovery software development services
- Belgium-Saint-Gilles: Ultrasonic unit
- Belgium-Sint Truiden: Heating, ventilation and air-conditioning installation work
- Belgium-Louvain: Industrial kitchen equipment
- Belgium-Liège: Disposable nappies
- Belgium-Temse: Joinery and carpentry installation work
- Belgium-Verviers: Architectural, construction, engineering and inspection services
- Belgium-Vilvoorde: Road construction works
- Belgium-Antwerp: Construction-related services
- Belgium-Koksijde: Office cleaning services
- Belgium-Lommel: Office and computing machinery, equipment and supplies except furniture and software packages
- Belgium-Angleur: Electrical installation work
- Belgium-Mouscron: Meat
- Belgium-Brussels: Invitation to tender No06D20/2021/M038 – Supply and installation of six reproductions of statues in the Citizens' Garden in Brussels
- Belgium-Charleroi: Sludge removal services
- Belgium-Jambes: Insurance services
- Belgium-Brussels: Provision of Museum Guides, Educators and Event Facilitators for the House of European History (HEH) in Brussels
- Belgium-Sambreville: Firefighting materials
- Belgium-Bruges: Software package and information systems
- Belgium-Brussels: Television and radio broadcast transmission services
- Belgium-Tournai: Architectural and related services
- Belgium-Brussels: Emergency medicine services and social worker for the medical service of Ispra (VA) in Italy
- Belgium-Antwerp: Office and computing machinery, equipment and supplies except furniture and software packages
- Belgium-Brussels: Accounting and auditing services
- Belgium-Brussels: Framework Service Contract for the Organisation of Large-scale Travels of Participants in the Context of Erasmus+/DiscoverEU
- Belgium-Brussels: Impact Assessment on Measures to Better Manage and Coordinate International Rail Traffic, Including if Necessary through Revised Rules for Capacity Allocation and Infrastructure Charging in Rail
- Belgium-Brussels: Various office equipment and supplies
- Belgium-Geel: Pharmaceutical products
- Belgium-Wilrijk: Oxygen-therapy services
- Belgium-Brussels: Framework Contract on ELA Capacity Building Centre and EURES Training Programme
- Belgium-Charleroi: Medical equipments
- Belgium-Brussels: Ex Post Evaluation: EU Competition Enforcement and Acquisitions of Innovative Competitors in the Pharma Sector Leading to the Discontinuation of Overlapping Drug Research and Development Projects
- Belgium-Brussels: Research services
- Belgium-Brussels: Sewer cleaning services
- Belgium-Aartselaar: Sludge-treatment works
- Belgium-Brussels: Coffee, tea and related products
- Belgium-Liège: X-ray contrast media
- Belgium-Antwerp: Solar energy
- Belgium-Brussels: Building-inspection services
- Belgium-Brussels: Study on Low/No Alcohol Beverages
- Belgium-Edegem: Medical equipments
- Belgium-Namur: Road transport services
- Belgium-Brussels: Support to the Development of Harmonised Sport Statistics in the EU
- Belgium-Malines: Passenger information system
- Belgium-Antwerp: Bathymetric surveys services
- Belgium-Bruges: Road construction works
- Belgium-Bruges: Tiling work
- Belgium-Brussels: Horticultural services
- Belgium-Brussels: Medical equipments, pharmaceuticals and personal care products
- Belgium-Daussoulx: Engineering services
- Belgium-Fleurus: Laboratory glassware
- Belgium-Liège: Insurance services
- Belgium-Louvain: IT services: consulting, software development, Internet and support
- Belgium-Mol: Survey services
- Belgium-Brussels: Setting up and Operating the Secretariat for the EU Corporate Covenant Initiative