- Black Letter Discovery Acquired By TrustPoint International
- Black Line Group Acquired By Think
- Black Lotus Communications Acquired By Level 3 Communications
- Black Marlin Energy Holdings Acquired By Afren
- Black Mountain Gas Acquired By Southwest Gas
- Black Mountain Physical Therapy Acquired By Phoenix Physical Therapy
- Black Mountain Sand Acquired By Natural Gas Partners
- Black Mountain Systems Acquisitions
- Black Mountain Village & D Andrea Marketplace Acquired By Kimco Realty
- Black Oak Gallery Acquired By Terra Tech
- Black Pearl Containers Acquired By The Poseidon Group
- Black Pepper Brands Pty Acquired By Brand Collective Pty
- Black Photo Acquired By TELUS
- Black Press Group Acquisitions
- Black River Cheese Acquired By Gay Lea Foods Co-operative
- Black River Produce Acquired By Reinhart Foodservice
- Black Rock Cable Acquired By Wave Broadband
- Black Sage Technologies Acquired By Highlander Partners
- Black Sand Technologies Acquired By Qualcomm
- Black Sea Fund Mergers and Acquisitions
- Black Shire Energy Acquired By Twin Butte Energy
- Black Spruce Merchant Capital Corp.
- Black Stone IP Acquired By Houlihan Lokey
- Black Stone Operations Acquired By Almost Family
- Black Swan Analysis Acquired By Evaluate
- Black Swan Energy Acquired By Tourmaline Oil
- Black Tie Limousine Acquired By Grace Limousine & Shuttle
- Black Toro Capital Partners Mergers and Acquisitions
- Black Waters Coffee Acquired By Ronnoco Coffee
- Black Widow Acquisitions
- Black Woodpecker Software Oy Acquired By Euronext N.V.
- Black/White & Associates Acquired By PointSure Insurance Services
- Black/White & Associates Insurance Brokers Acquisitions
- Black/White & Associates of Nevada Acquired By PointSure Insurance Services
- Black/White Rockridge Insurance Services Acquired By PointSure Insurance Services
- Blackadders LLP
- BlackArch Partners LLC
- BlackArrow Acquired By Cadent
- BlackBag Technologies Acquired By Cellebrite DI
- Blackbaud - FIMS & DonorCentral® NXT Products Acquired By Fusion Laboratories