| Supplier Name | Supplier ID |
| Y M C A CAMP OCKANICKON INC | 51670 |
| Y-PERS | 60477 |
| YAD IZHAK BEN-ZVI | 63172 |
| YAD VASHEM | 215571 |
| YAFFA CO INC | 59409 |
| YAK AND YETI BOOKS | 66775 |
| YALE ELECTRIC EAST | 438981 |
| YALE JOURNAL ON REGULATION | 68990 |
| YALE STUDENT ACADEMIC COMPETITIONS | 331158 |
| YALE UNIV UNDERGRADUATE CAREER SERVICES | 210813 |
| YALE UNIVERSITY | 51671 |
| YALE UNIVERSITY ATHLETICS | 89135 |
| YAMATO SCIENTIFIC AMERICA INC | 150918 |
| YANG MING INTERNATIONAL CORP | 262858 |
| YANGMING | 63491 |
| YANKEE BOOK PEDDLER INC | 51672 |
| YANKEE CONTAINERS | 302104 |
| YANKEE LOBSTER CO | 275774 |
| YARDEN BIOTEC | 351368 |
| YARNALLS EQUIPMENT CO INC | 161590 |
| YAX TE FOUNDATION | 126266 |
| YAZOO MILLS INC | 51673 |
| YE OLDE COMPUTER SHOPPE | 131161 |
| YEADON FABRIC DOMES LLC | 454044 |
| YEAGLE TECHNOLOGY INC | 62269 |
| YEK TAK TRAVEL SERVICE LTD | 356464 |
| YELLOW CAB CO | 53774 |
| YELLOW DOG DESIGN GROUP | 70398 |
| YELLOW FREIGHT SYSTEM, INC. | 68144 |
| YELLOW PENCIL INC | 436086 |
| YELLOWBIRD BUS COMPANY INC | 51675 |
| YELLOWDOG COMMUNICATIONS LLC | 381361 |
| YELLOWSTONE BIGHORN RESEARCH ASSOC | 51676 |
| YENZYM ANTIBODIES, LLC | 399718 |
| YERBA BUENA ICE SKATING & BOWLING CENTER | 271667 |
| YGGDRASIL COMPUTING INC | 51677 |
| YGS GROUP | 410396 |
| YIELD ENGINEERING SYSTEMS INC | 380183 |
| YIKES INC | 64388 |
| YIPES COMMUNICATIONS INC | 218529 |
| YMC INC | 76048 |
| YMCA TOCKWOGH CAMP AND CONFERENCE CENTER | 216123 |
| YNOA ADVERTISING | 168960 |
| YO LA TENGO | 158873 |
| YODER AND ARMSTRONG | 97032 |
| YODERS MEATS INC | 60454 |
| YOKOGAWA CORPORATION OF AMERICA | 62268 |
| YORK BARBELL TOTAL FITNESS STORE | 59462 |
| YORK GRAPHIC SERVICES COMPANY | 248159 |
| YORK HEALTH SYSTEM | 149208 |
| YORK INTERNATIONAL CORP | 57279 |
| YORK PUBLISHING | 124265 |
| YORK SERVICES CORPORATION | 51678 |
| YORK STENOGRAPHIC SERVICE INC | 51679 |
| YORKRAFT INC | 60201 |
| YORKS CONSULTING LLC | 306234 |
| YORKSHIRE BIOSCIENCE LTD | 404713 |
| YORKTOWNE ADVERTISING | 55242 |
| YORTY MEDICAL INC | 51680 |
| YOUNG DENTAL LAB INC. | 55585 |
| YOUNG DISCOVERY LIBRARY | 51681 |
| YOUNG ISAAC INC | 361874 |
| YOUNG MINDS INCORPORATED | 55691 |
| YOUNGS | 51682 |
| YOUNGS ANTIQUARIAN BOOKS | 120782 |
| YOUNGSTARTUP VENTURES INC | 306384 |
| YOUNGTRON INC | 62274 |
| YOUR CHEFS CATERING | 453269 |
| YOUR CHOICE COFFEE | 51683 |
| YOUR LOGO WORKS | 325030 |
| YOUR OTHER HANDS | 361554 |
| YOUTH LAW CENTER | 278659 |
| YOUTH POLICY INSTITUTE | 64902 |
| YQS INTERNATIONAL | 215179 |
| YU-JIAN-YO LANGUAGE SERVICES LTD | 224929 |
| YUMMY DESIGNS LLC | 279959 |
| YURCHAK PRINTING INC | 326793 |