| Y & S Technologies Inc. | 8 | $1.3M | New York City |
| Y Hata & Company Limited | 5 | $88K | Defense Logistics Agency |
| Yaboo Fence Co. Inc. | 15 | $23M | MTA Procurements |
| Yabudoken Co. | 3 | $7.9M | Department of the Navy |
| Yale Cordage Inc | 9 | $104K | Defense Logistics Agency |
| Yam Contractor Corp | 3 | $2.5M | MTA Procurements |
| Yam Tech LLC | 4 | $198K | Environmental Protection Agency |
| Yama Manufacturing Incorporated | 4 | $45K | Defense Logistics Agency |
| Yamaki Co., Ltd. | 8 | $12M | Department of the Navy |
| Yangtze Railroad Materials | 148 | $19M | MTA Procurements |
| Yankee Microwave, Inc. | 8 | $478K | Federal Bureau of Investigation |
| Yardi Systems Inc | 7 | $7.8M | New York City |
| Yellowfin Transportation Inc | 4 | $2.0M | Department of Defense Education Activity |
| Yerba Buena Advisors | 3 | $334K | San Francisco |
| Yerba Buena Arts & Events | 3 | $245K | San Francisco |
| Yerba Buena Engineering & Constrctn Inc | 33 | $30M | San Francisco |
| Yerba Buena Engineering & Construction, Inc. | 3 | $7.1M | National Park Service |
| Yerkes South Inc. | 3 | $22M | Department of the Army |
| Yeshivath Kehilath Yakov Inc. | 10 | $13M | New York City |
| Yibon Construction Co., Ltd. | 7 | $9.1M | Department of the Army |
| YMCA of Greater New York | 34 | $625M | New York City |
| Ymca of San Francisco | 50 | $98M | San Francisco |
| YMS Management Associates Inc. | 3 | $19M | New York City |
| Yokohama Industries Americas Ohio Inc | 9 | $432K | MTA Procurements |
| York Analytical Laboratories | 6 | $2.0M | MTA Procurements |
| York Ladder Inc | 3 | $0 | MTA Procurements |
| York Precision Machining and Hydraulics, LLC | 7 | $4.6M | Department of the Navy |
| Yorkshire Industries LLC | 6 | $3.1M | Department of the Army |
| Young Adult Institute Inc. | 6 | $4.3M | New York City |
| Young Community Developers Inc | 17 | $40M | San Francisco |
| Young Dancers in Repertory Inc | 4 | $10M | New York City |
| Young Israel Programs Inc | 3 | $12M | New York City |
| Young Mens and Womens Hebrew Association of Washington Heights | 3 | $6.1M | New York City |
| Young Men's and Young Women's Hebrew Association of Boro Park | 3 | $2.4M | New York City |
| Young Men's and Young Women's Hebrew Association of the Bronx | 7 | $8.1M | New York City |
| Young Men's and Young Women's Hebrew Association Washington Heights & Inwood | 4 | $825K | New York City |
| Young Men'S Christian Association of Chicago | 25 | $43M | City of Chicago |
| The Young Womens Christian Association of Queens | 3 | $1.8M | New York City |
| Your Recruiting Company, Inc. | 3 | $4.9M | Agricultural Research Service |
| Youth Advocate Program Inc. | 17 | $5.8M | City of Chicago |
| Youth Guidance | 25 | $8.2M | City of Chicago |
| Youth Justice Network Inc. | 8 | $23M | New York City |
| Youth Ministries for Peace and Justice Inc | 4 | $3.1M | New York City |
| Youth Outreach Services, Inc. | 8 | $3.1M | City of Chicago |
| Youth Speaks Inc | 5 | $2.0M | San Francisco |
| Ypg Trading Corp | 17 | $1.4M | MTA Procurements |
| Ysi Inc | 4 | $2.7M | NY State Authorities |
| Yskoud LLC | 3 | $3.7M | New York City |
| Yuil Eng. & Const. Co.,ltd | 3 | $4.4M | Department of the Army |
| Ywca Metropolitan Chicago | 26 | $4.2M | City of Chicago |