- Western Co-op Transport Association Acquired By CHS
- Western Coal ULC Acquisitions
- Western Coast Ventures Acquired By Stem Holdings
- Western Computer Acquired By Evergreen Services Group
- Western Controls and Breakers Acquired By All Current Electrical Sales
- Western Design Howden Acquired By Meggitt
- Western Digital Acquisitions
- Western Digital - ActiveScale Business Acquired By Quantum
- Western Digital - IntelliFlash Business Acquired By DataDirect Networks
- Western Distribution Services Acquired By Lineage Logistics Holdings
- Western Door Company Acquisitions
- Western Drilling Acquired By Key Energy Services
- Western Drug Distributors Acquired By Longs Drug Stores
- Western Elite Acquisitions
- Western Emulsions Acquired By Idaho Asphalt Supply
- Western Energy Services Acquisitions
- Western Energy Support & Technology Acquisitions
- Western Environmental Acquired By Controlled Environment Systems
- Western Equipment Solutions Acquisitions
- Western Equity Group Acquired By Modern Capital
- Western Exploration Acquired By Coral Reef Capital
- Western Exploration Acquired By MDwerks
- Western Exterminator Acquired By Rentokil Initial
- Western Extralite Acquired By Border States Industries
- Western Fasteners Acquired By White Cap Construction Supply
- Western Feed Supplements Acquired By Carr s Group
- Western Fiberglass Pipe Sales Acquired By Russel Metals
- Western Filter Acquired By Donaldson
- Western Fire & Safety Acquired By Total Safety U.S.
- Western Foods Acquired By Sysco
- Western Forest Products Acquisitions
- Western Forge Acquired By Ideal Industries
- Western Forms Acquisitions
- Western Funding Acquired By Harbor Structured Finance
- Western Gas Partners Acquisitions
- Western Gas Resources Acquisitions
- Western General Insurance Acquired By Catalina Holdings Limited
- Western Grade Acquired By SoOum
- Western Heating & Air Acquired By Friendly Group
- Western Home Insurance Acquired By Obsidian Insurance Holdings
