- 1pm Acquisitions
- 1SEO Technologies Acquisitions
- 1Source Safety and Health Acquired By TRC Companies
- 1Spatial Acquired By Azini Capital Partners
- 1st Alaska Insurance Acquired By HUB International
- 1st Alliance Payroll Services Acquired By Digital Insurance
- 1st Auto Transport Directory Acquired By Dealertrack Technologies
- 1ST Bancorp IN Acquired By German American Bancorp
- 1st Bank Acquisitions
- 1st BASE - Oligonucleotide Business Acquired By Integrated DNA Technologies
- 1st BASE Pte Acquisitions
- 1st Choice Aerospace Acquired By VSE
- 1st Choice Delivery Acquisitions
- 1st Choice Hollywood Smiles Acquired By Sage Dental Management
- 1st Credit Acquired By Intrum Justitia AB
- 1st Global Acquired By Blucora
- 1ST Group Acquisitions
- 1st Holdings Acquired By Monolith Holdings
- 1st Independence Financial Group Acquired By MainSource Financial Group
- 1st National Bank of Scotia Acquisitions
- 1st Pacific Bank of California Acquired By City National
- 1st Patriot Insurance Services Acquired By World Insurance Associates
- 1st Portfolio Holding Acquired By WashingtonFirst Bankshares
- 1st Secure IT Acquired By GM Security Technologies
- 1st State Insulation Acquired By Installed Building Products
- 1st United Bancorp Acquisitions
- 1st West Mergers & Acquisitions LLC
- 1stdibs.Com Acquisitions
- 1StopXBRL Acquired By Diversified Global Graphics Group
- 1stVision Acquired By iMAGE S
- 1Ticket Acquired By DTI Management
- 1to1 Card Acquired By SVM
- 1Vault Networks Acquired By Peak 10
- 1WorldSync Holdings Acquisitions
- 2 Sisters Food Group Acquisitions
- 2-10 Home Buyers Warranty Acquired By Genstar Capital
- 2-20 Records Management Acquisitions
- 2-DTech Acquired By Versarien
- 20 VIC Management Acquired By Cushman & Wakefield
- 20-20 Technologies Acquired By Golden Gate Capital
