Thanks to peta for this list of companies that test on animals. When in doubt just look for an against animal testing symbol or labels saying that they do not test on animals.

Alberto-Culver
Allergan
Arm & Hammer (Church & Dwight)

Bausch & Lomb
Benckiser (Coty, Lancaster, Jovan)
Bic Corporation
Block Drug Co.
Boyle-Midway (Reckitt & Colman)
Braun (Gillette Company)
Bristol-Myers Squibb Co. (Clairol, Ban Roll-On, Keri, Final Net)

Carter-Wallace (Arrid, Lady’s Choice, Nair, Pearl Drops)
Chesebrough-Ponds (Fabergé, Cutex, Vaseline)
Church & Dwight (Arm & Hammer)
Clairol, Inc. (Bristol-Myers Squibb)
Clorox (Pine-Sol, S.O.S., Tilex, ArmorAll)
Colgate-Palmolive Co. (Palmolive, Ajax, Fab, Speed Stick, Mennen, SoftSoap)
Coty (Benckiser)
Cover Girl (Procter & Gamble)

Dana Perfumes (Alyssa Ashley)
Del Laboratories (Flame Glow, Commerce Drug, Sally Hansen)
Dial Corporation (Purex, Renuzit)
DowBrands (Glass Plus, Fantastik, Vivid)
Drackett Products Co. (S.C. Johnson & Son)

Elizabeth Arden (Unilever)
Erno Laszlo

Gillette Co. (Liquid Paper, Flair, Braun, Duracell)
Givaudan-Roure

Helene Curtis Industries (Finesse, Unilever, Suave)

Jhirmack (Playtex)
Johnson & Johnson (Neutrogena)

Kimberly-Clark Corp. (Kleenex, Scott Paper, Huggies)

Lamaur
Lever Bros. (Unilever)

Max Factor (Procter & Gamble)
Mead
Melaleuca
Mennen Co. (Colgate-Palmolive)

Neoteric Cosmetics
Noxell (Procter & Gamble)

Olay Co./Oil of Olay (Procter & Gamble)
Oral-B (Gillette Company)

Pantene (Procter & Gamble)
Parfums International (White Shoulders)
Parker Pens (Gillette Company)
Perrigo
Pfizer (Bain de Soleil, Plax, Visine, Desitin, BenGay)
Playtex Products, Inc. (Banana Boat, Woolite, Jhirmack)
Procter & Gamble Co. (Crest, Tide, Cover Girl, Max Factor, Giorgio)

Reckitt & Colman (Lysol, Mop & Glo)
Richardson-Vicks (Procter & Gamble)

Sally Hansen (Del Laboratories)
Sanofi (Oscar de la Renta, Yves Saint Laurent)
Schering-Plough (Coppertone)
Schick (Warner-Lambert)
S. C. Johnson Wax (Pledge, Drano, Windex, Glade)
SmithKline Beecham
SoftSoap Enterprises (Colgate-Palmolive)
Sun Star
3M (Scotch, Post-It)

Unilever (Lever Bros., Calvin Klein, Elizabeth Arden, Helene Curtis, Diversey)

Vidal Sassoon (Procter & Gamble)

Warner-Lambert (Lubriderm, Listerine, Schick)