There is a merger in the works involving Polygram Records, Warner Brothers, and Keebler. It will be called Poly-Warner-Cracker.
There has long been a rumor that W.R. Grace Co. was going to buy the Fuller Brush Co. and Mary Kay Cosmetics and then merge with the Hale Business Systems. This would result in the new megacorporation Hale Mary Fuller Grace.
Don't forget the failed merger between Yahoo and Netscape: Net'n'Yahoo. It didn't work out because they were afraid they would have to relocate the headquarters to Tel Aviv.
Others in the works:
3M and Goodyear: mmmGood
John Deere and Abitibi-Price: Deere Abi
Honeywell and Imasco and Home Oil: Honey, I'm Home
Denison Mines and Alliance and Metal Mining: Mine, All Mine
3M and JC Penney and Canadian Opera Company: 3 Penney Opera
Grey Poupon and Dockers Pants: Poupon Pants
Knott's Berry Farm and National Organization of Women: Knott NOW
Crabtree Evelyn and Apple Computer: Crab Apple
Swissair and Cheseborough-Ponds: Swisscheese
Zippo Manufacturing and Audi and Dofasco and Dakota Mining: Zip Audi Do Da