- Y-cam Solutions Ltd (Clearwater, FL)
- Y-Connect (Middletown, PA)
- Yageo Corporation (Taipei, TWN)
- Yageo USA (San Jose, CA)
- Yahsat (Abu Dhabi, ARE)
- Yaldex Software (Rubtsovsk, RUS)
- Yale Cordage, Inc. (Saco, ME)
- Yale Locks & Hardware (Lenoir City, TN)
- Yale Materials Handling Corp. (Greenville, NC)
- yalips Software (Planegg, DEU)
- Yama Seiki USA, Inc. (Chino, CA)
- Yamada America, Inc. (Arlington Heights, IL)
- Yamaha Corporation of America (Buena Park, CA)
- Yamaha Motor Corporation, U.S.A. (Marietta, GA)
- Yamaha Robotics (Edgemont, PA)
- Yamaichi Electronics USA, Inc. (San Jose, CA)
- Yamazen, Inc. (Westlake, OH)
- Yanic Inghelbrecht (Heule, BEL)
- Yankee Group (Boston, MA)
- Yanmar America Corporation (Adairsville, GA)
- Yantra Corp. (Acton, MA)
- YapOn Inc. (Calgary, CAN)
- Yardi Systems Inc (Santa Barbara, CA)
- Yardley Products LLC (Yardley, PA)
- Yasda Precision America Corp. (Elk Grove Village, IL)
- Yash (East Moline, IL)
- Yaskawa America, Inc. - Drives & Motion Division (Oak Creek, WI)
- Yaskawa America, Inc. - Drives & Motion Division (Waukegan, IL)
- Yaskawa America, Inc. - Motoman Robotics Division (Miamisburg, OH)
- Yaskawa Electric America, Inc. (Waukegan, IL)
- Yaskawa Motoman Canada, Ltd. (Mississauga, OH)
- Yates Electrospace Corporation (Aliso Viejo, CA)
- Yazaki Corporation (YC) (Canton, MI)
- YCD Multimedia (New York, NY)
- YCI Supermax (Santa Fe Springs, CA)
- Yeagle Technology, Inc. (Ashford, CT)
- Yellow Emperor (Eugene, OR)
- Yellow Jacket 110 (Douglasville, IN)
- Yellow Jacket Cable Protectors (Duarte, CA)
- Yellowfin (Ketchum, ID)
- Yellowfin (Ketchum, ID)
- Yenista Optics S.A. (LANNION, FRA)
- Yenlo (San Francisco, CA)
- Yenlo (San Francisco, CA)
- Yes Controls (Houston, TX)
- YESCO (Salt Lake City, UT)
- YESCO (Salt Lake City, UT)
- YESCO Electrical Supply, Inc (Youngstown, OH)
- YESTech Europe (Hampshire, GBR)
- Yestech, Inc. (San Clemente, CA)
- YET US, Inc. (Manchester, NH)
- Yext (New York, NY)
- Yield10 Bioscience (Woburn, MA)
- Yillik Precision Carbides, Div. of PSM Industries (Ontario, CA)
- YINCAE Advanced Materials, LLC (Albany, NY)
- Yingli Green Energy Holding Company Limited (Baoding, CHN)
- YL Computing, Inc. (Eden Prairie, MN)
- Ymca of Greater Toledo (Toledo, OH)
- Yodlee, Inc. (Redwood City, CA)
- Yokogawa Europe BV (NLD)
- Yokogawa Test&Measurement (Newnan, GA)
- Yokogawa UK Ltd. (Runcorn Cheshire, GBR)
- Yokohama Rubber Co., Ltd. (Tokyo, JPN)
- Yokohama Tire USA (Fullerton, CA)
- Yokota Manufacturing Co., Ltd. (Hiroshima, JPN)
- Yokowo America Corporation (Rolling Meadows, IL)
- Yole Group (Austin, TX)
- Yole Group (Austin, TX)
- Yole Group (Dripping Springs, TX)
- Yole Group (Dripping Springs, TX)
- Yole Group (Dripping Springs, TX)
- Yole Group (Austin, TX)
- YOLO Medical Inc (Surrey, CAN)
- Yon Software (San Diego, CA)
- York Bridge Concepts, Inc. (Lutz, FL)
- York Fluid Controls Limited (Brampton, ON, CAN)
- York Hydraulics, Inc. (York, PA)
- York Industries (Garden City Park, NY)
- York International Corp. (York, PA)
- York International Corp. (Woodbridge, NJ)
- YORK Label Inc. (Omaha, PA)
- York Manufacturing, Inc (Sanford, ME)
- York Space Systems (Denver, CO)
- Yosemite Technologies, Inc (Fresno, CA)
- Young Century Micro Tech, Inc. (Berkeley, CA)
- Young Engineering & Manufacturing, Inc. (San Dimas, CA)
- Young Living Essential Oils (Lehi, UT)
- Young Oil Company, Inc. (Pompano Beach, FL)
- Young PowerTech Inc. (Garnet Valley, PA)
- YOURspace (Fort Wayne, IN)
- YouSendIt, Inc. (Campbell, CA)
- YPrime (Malvern, PA)
- YS Manufacturing (Kennett Square, PA)
- YS Tech USA (Garden Grove, CA)
- YSI Temperature (Dayton, OH)
- Yuasa, Inc. (Reading, PA)
- Yubico Inc. (Sunnyvale, CA)
- Yucheng Technologies Limited (Beijing, CHN)
- Yulista Management Service, Inc. (Anchorage, AK)
- YuMe Networks (Redwood City, CA)
- Yuneec International (Ontario, CA)
- Yuneec International (Corona, CA)
- Yunique Solutions (New York, NY)
- Yuntinic Resources, Inc. (San Mateo, CA)
- Yurbuds (Saint Louis, MO)
- Yushiro Manufacturing America, Inc. (Shelbyville, IN)
- Yuvee, Inc. (Highland Park, IL)
- Yxlon International (Hudson, OH)
- YZ Systems (The Woodlands, TX)