- Thomas Widener
- Thomas Wilcop
- Thomas Williams
- Thomas Williams
- Thomas Williams
- Thomas Willingham
- Thomas Willsey
- Thomas Wilson
- Thomas Windus
- Thomas Wingard
- Thomas Wisialowski
- Thomas Witter Acquired By Whitestone Weavers
- Thomas Wolf
- Thomas Wolf
- Thomas Wrede-Holm
- Thomas Wuchenich
- Thomas Wyatt
- Thomas Yadlon
- Thomas Yang
- Thomas Yeo
- Thomas Young
- Thomas Zahn
- Thomas Zalewski
- Thomas Zarrella
- Thomas Zottl
- Thomas-Conrad Acquired By Compaq Computer
- ThomasArts Acquired By Integrity Marketing Group
- ThomasPartners Acquired By The Charles Schwab
- Thomaz Del Castillo Barroso Kastrup
- Thompson & Knight LLP
- Thompson & Morgan Acquired By BVG Group
- Thompson Burton PLLC
- Thompson Capital Partners Mergers and Acquisitions
- Thompson Coburn LLP
- Thompson Creek Metals Acquisitions
- Thompson Culvert Acquired By Contech Engineered Solutions
- Thompson Dean
- Thompson Dental Acquired By Patterson Companies
- Thompson Distribution Acquisitions
- Thompson Dunavant Acquired By CBIZ
