Operating systems
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1,853 results matching, operating systems
- Open tenderPublished 24 September 2026
Y Storfa - Digital Screens
£25,000
- Awarded contractPublished 23 September 2026
Supply and Installation of Destratification Fans
£50,000
- Open tenderPublished 22 September 2026
ID5867746 PSNI - Core IT Managed Services Contract
£360,000,000
- Open tenderPublished 22 September 2026
ID5867746 DOJ - PSNI - Core IT Managed Services Contract
Value not stated
- Open tenderPublished 18 September 2026
LIVESTOCK HANDLING FACILITY
£40,000
- Awarded contractPublished 17 September 2026
SIXEP/FHP Main Roof Refurbishment Project
£35,000,000
- Awarded contractPublished 17 September 2026
Pagabo Major Works Framework - SIXEP/FHP Main Roof Refurbishment Project
£35,000,000
- Awarded contractPublished 16 September 2026
Vulnerability Patching Solutions
£91,188
- Awarded contractPublished 16 September 2026
SCTS-2026-047 - Oracle Managed Service
£121,253.35
- Awarded contractPublished 14 September 2026
Provision of Network Licenses, Support and Hardware
£120,953.5
- Awarded contractPublished 11 September 2026
SHF Wave 3 Design and Build (Heat Pumps 2025)
£7,200,000
- Pre-tenderPublished 10 September 2026
ORT 0210 - Long-Term Contract for the Through-Life End-To-End Support of the Stopped Vehicle Detection Service.
£37,800,000
- Awarded contractPublished 7 September 2026
Provision of ICT Managed Services
£189,090
- Closed tenderPublished 4 September 2026
Installation, Maintenance, & Fault Rectification of Electronic Security Systems
£150,000
- Awarded contractPublished 3 September 2026
Supply of Software Products, Hardware Products, and Services
£543,542
- Open tenderPublished 3 September 2026
#45487 - Data Management Solution for Train Service Specification Data
Value not stated
- Open tenderPublished 2 September 2026
9947 Station Services Mediation System (SSMS)
Value not stated
- Pre-tenderPublished 2 September 2026
Data Management Solution for Train Service Specification Data
Value not stated
- Closed tenderPublished 25 August 2026
Data Transmission Network (DTN) HS2
£7,500,000
- Awarded contractPublished 21 August 2026
Provision of a Resilient Secondary Internet Connectivity Service
£144,000
Top buyers
Buyers ranked by total contract award volume for operating systems.
BuyersCountValue
- 112£1.0bn
- 53£6.3m
- 33£12.4m
- 29£209.8m
- 27£2.5bn
- 24£0.0
- 21£4.5bn
- 19£6.9m
- 19£545.1m
- 19£228.4m
Trend over time
Notice volume for operating systems published over time.
Top suppliers
Suppliers ranked by total contract award volume for operating systems.
SuppliersCountValue
- 27£14.5bn
- 25£14.4bn
- 23£13.3bn
- 21£14.7bn
- 15£226.3m
- 15£14.3bn
- 14£14.5bn
- 10£1.3bn
- 10£192.0m
- 10£1.4bn
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