Y
- YaHobby
- Yahoo!
- Yak Communications / Distributel Communications
- Yamaha
- Yandy Lingerie
- Yankee Candle
- Yanwen
- YapStone
- Yapta
- Yard Works
- Yashin Industrial
- Yatra Online
- Yayvo / Tcs E-Com
- Yeager Employment Law
- YeeWorldEst
- Yella Wood / Great Southern Wood Preserving
- Yellow Blue Media Group [YBMG]
- Yellow Cab
- Yellow Pages United
- YellowCabNYCTaxi.com
- YellowPages
- Yelp.com
- Yemoshion
- Yeoman's Capital
- YepMe
- Yerdle
- Yes I Can Change
- Yes Loans
- YES! Communities
- YesAsia
- YesGamers
- Yeshershop
- YesStyle
- Yeti Firearms
- YewCats Cattery
- Yext
- Yipit
- Yiwu Haisheng Paper Co., Ltd.
- Yknot Holdings, LLC
- YLighting
- YMAX Communications
- YMCA
- YMLP
- YMT Vacations / Your Man Tours
- Yodel
- Yodle
- Yodlee
- Yoga Mart USA
- Yoins
- Yokest
- Yola
- Yolo Medical
- YONATURALS LLC
- Yoogi's Closet
- YooRoom
- Yoox
- Yoplait
- YOR Health
- York Designer Outlet / McArthurGlen.com
- Yorkville's
- Youbi Capital
- Youdagames
- YouFit Health Clubs
- youmech.com
- Young & Happy Hostel
- Young Explorers
- Young Living Essential Oils
- Young Properties
- YoungBlood Consultants
- Younkers
- Your Better Tomorrow / C&R Marketing
- Your Fashion Frenzy
- Your Inspection Pros
- Your Kids R Our Kids [YKROK]
- Your Move UK
- Your Property Empire
- Your Savings Club
- Your Store Online
- YourDailyTasks
- YourDesignerWear.com / Peripleko Retail
- YourDiaper
- Yourfitlifehelp.com
- YourHotCar
- YourMechanic
- Yours Clothing
- Yours Trip Shop
- YoursWigs.com
- Youthology Research Institute
- YouTube
- YoyBuy
- YoyoMelody
- YR Trading Japan / YRT Japan
- YRC Worldwide
- YTI Career Institute
- YU
- Yuan Vegetarien
- Yucatan Foods / Yucatan Guacamole / Avocado.com
- Yuchengco Group Of Companies [YGC]
- Yugster
- Yummy Extensions
