Sales: $17.42 billion

Market value: $68.17 billion

Number of companies/divisions: 4

The 1928 merger of Colgate and Palmolive-Peet founded this conglomerate, blending the two companies' oral care and home care brands. Over the next 94 years, the company grew by acquiring Hoyt Laboratories, Softsoap, Murphy's Oil Soap, Mennen, Tom's of Maine, and Hello Product. Today, this global player has 32 brands in the oral care, pet nutrition, personal care, and home care categories.