Practically speaking, I'd imagine that it would be nearly impossible for average families to boycott each and every product the listed companies own and/or have major holdings in.
For example...
9. Clorox - The Clorox Company currently owns a number of well-known household and professional brands across a wide variety of products, among them:
Brita water filtration systems[4][16]
Burt's Bees natural cosmetics and personal care products[4]
Fresh Step, Scoop Away and Ever Clean cat litters[4]
Formula 409 hard surface cleaners[4]
Glad storage bags, trash bags, Press'n Seal, GladWare containers (joint venture with P&G as 20% minority shareholder)[4]
Hidden Valley dressings, sandwich spreads and condiments, dips and dressing mixes, croutons and salad toppins, side dishes and appetizers[4]
Green Works natural cleaners[4]
Kitchen Bouquet, KC Masterpiece, and Soy Vay sauces[4]
Kingsford charcoal[4]
Lestoil Heavyduty Laundry / Multipurpose Cleaner[4]
Liquid-Plumr drain cleaner[4]
Pine-Sol, Tilex, and S.O.S cleaning products[4]
https://en.wikipedia.org/wiki/Clorox 13. Energizer - On April 30, 2014, Energizer announced that by September 2015 it would separate its two lines of business into two publicly traded companies. The household business, with revenue of $1.9 billion in the latest fiscal year, would have Energizer chairman J. Patrick Mulcahy as its chairman and unit chief Alan Hoskins as CEO, and would sell batteries, flashlights and lamps. The personal care company, whose revenue was $2.6 billion, would have Energizer CEO Ward Klein serving as chairman and current unit head David Hatfield as CEO, and would sell feminine products from Playtex, Carefree, o.b. and Stayfree; shaving products from Schick, Edge, Skintimate and Wilkinson Sword; and suntan products from Hawaiian Tropic and Banana Boat.[14][15
https://en.wikipedia.org/wiki/Energizer 
