A quick search of the NFL site and of the web has yielded this list of those having sponsorship deals with the NFL. This is by no means a complete list, nor does it take into account the endorsement deals of individual players or teams.
- General Motors
- JC Penney
- Mars Snackfood (Snickers)
- National Guard
- Procter & Gamble (Old Spice, Gillette, Febreze, Head & Shoulders, Prilosec OTC)