 W & W Afco Steel | Little Rock | AR | — | ◇ UNVERIFIED |
| W&w Afco Steel | Lubbock | TX | — | ◇ UNVERIFIED |
| WWW & W Manufacturing Co, INC | Glendale | CA | — | ◇ UNVERIFIED |
| WMW-w Manufacturing Co., INC. | Thomas | OK | — | ◇ UNVERIFIED |
| WPW-w Paul Scales | Comanche | OK | — | ◇ UNVERIFIED |
| WWW W Welding INC | Frenchburg | KY | — | ◇ UNVERIFIED |
| WIWyandotte Industries | Wyandotte | MI | — | ◇ UNVERIFIED |
| WMWyatt Manufacturing New Facility | South Huntingdon, Township of | PA | — | ◇ UNVERIFIED |
| WSWyatt Services INC | Sterling Heights | MI | — | ◇ UNVERIFIED |
| WSWyatt Shiver Construction/stateline Steel, INC. | Gordon | AL | — | ◇ UNVERIFIED |
| WSWyatt Studio, Inc. | Novato | CA | — | ◇ UNVERIFIED |
| WLWyle Lab Electronic Enclosures | El Segundo | CA | — | ◇ UNVERIFIED |
 Wylie & Son INC. | Petersburg | TX | — | ◇ UNVERIFIED |
| WFWyoming Fire Fabrication Inc/dba Downey Welding | Shoshoni | WY | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company | Casper | WY | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company: in | Gillette | WY | — | ◇ UNVERIFIED |
| WTWyoming Ts INC. Dba Tornado Shelters INC | Caddo | OK | — | ◇ UNVERIFIED |
| WEWyowind Energy LLC Dba Ibc Construction LLC | Glenrock | WY | — | ◇ UNVERIFIED |
| WPWythe Precision Machine | Max Meadows | VA | — | ◇ UNVERIFIED |
| WBWyzer Biosciences | Auburndale | MA | — | ◇ UNVERIFIED |
| XTXactra Technologies, Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| XTXaloy Tanner Plating Div | New Castle | PA | — | ◇ UNVERIFIED |
| XFX Factor Machine & Design INC | Salem | OR | — | ◇ UNVERIFIED |
| XCXli Corporation | Rochester | NY | — | ◇ UNVERIFIED |
| XPXlt Precision Machine INC | Garden Grove | CA | — | ◇ UNVERIFIED |
| XMX Machine INC (xmi) | Riverside | CA | — | ◇ UNVERIFIED |
| XX-mil,inc. | Mount Orab | OH | — | ◇ UNVERIFIED |
| XOXpl Offsite, LLC | Decatur | AL | — | ◇ UNVERIFIED |
| XLXpo Logistics | Bismarck | ND | — | ◇ UNVERIFIED |
| XXseer | Los Angeles | CA | — | ◇ UNVERIFIED |
| XWX-Stream Waterjetting, LLC | Grand Forks | ND | — | ◇ UNVERIFIED |
| XMXtreme Machine INC. | Millville | UT | — | ◇ UNVERIFIED |
| XMXtreme Manufacturing | Las Vegas | NV | — | ◇ UNVERIFIED |
| XMXtreme Manufacturing LLC | Selma | CA | — | ◇ UNVERIFIED |
| XMXtreme Manufacturing, LLC. | Henderson | NV | — | ◇ UNVERIFIED |
| XPXtreme Powder Coating | Saint Albans | WV | — | ◇ UNVERIFIED |
| XTXxpress Transportation INC. | Oswego | NY | — | ◇ UNVERIFIED |
| XIXylem INC | West Sacramento | CA | — | ◇ UNVERIFIED |
| YLY2 LLC | Pendleton | OR | — | ◇ UNVERIFIED |
| YLY2 LLC | Hillsboro | OR | — | ◇ UNVERIFIED |
| YMYachtfish Marine | Seattle | WA | — | ◇ UNVERIFIED |
| YVYadkin Valley Mechanical, INC. | Rural Hall | NC | — | ◇ UNVERIFIED |
| YUYajima Usa, Limited | Reno | NV | — | ◇ UNVERIFIED |
| YHYale Hoists | Forrest City | AR | — | ◇ UNVERIFIED |
| YLYale Lift Tech International Incorporated | Muskegon Heights | MI | — | ◇ UNVERIFIED |
| YPYale Polishing & Plating | Chicago | IL | — | ◇ UNVERIFIED |
| YSYankee Screw Products CO | Madison Heights | MI | — | ◇ UNVERIFIED |
| YLYarber, LLC | Northport | AL | — | ◇ UNVERIFIED |
| YMYargus Manufacturing INC | Terre Haute | IN | — | ◇ UNVERIFIED |
| YFYates Foil USA INC | Bordentown | NJ | — | ◇ UNVERIFIED |
| YFYavapai Fence, INC. | Camp Verde | AZ | — | ◇ UNVERIFIED |
| YPY&c Powder Coating CORP | Miami | FL | — | ◇ UNVERIFIED |
| YLYdkim LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| YRYellow Rose Steel Fabricators, Inc. | Houston | TX | — | ◇ UNVERIFIED |
| YRYellow Rose Steel Fabricators, Inc. | Houston | TX | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | — | ◇ UNVERIFIED |
| YOYe Olde Machine Shoppe CO. | Orem | UT | — | ◇ UNVERIFIED |
| YGYesac Georgia Corporation | Lagrange | GA | — | ◇ UNVERIFIED |
| YMYesterday's Machine Shop | Schenectady | NY | — | ◇ UNVERIFIED |
| YMYetter Manufacturing CO. | Macomb | IL | — | ◇ UNVERIFIED |
| YMYetter Mfg CO INC | Macomb | IL | — | ◇ UNVERIFIED |
| YSYH Sheet Metal Co | Oakland | CA | — | ◇ UNVERIFIED |
| YSYh Sheet Metal CO | Oakland | CA | — | ◇ UNVERIFIED |
| YUYkk USA INC S&b Products | Lawrenceburg | KY | — | ◇ UNVERIFIED |
| YSYoder Steel Corporation | Manassas | VA | — | ◇ UNVERIFIED |
| YCYoe Construction INC Fabrication Shop No 1 | Dallastown | PA | — | ◇ UNVERIFIED |
| YPYolandas Plating | Los Angeles | CA | — | ◇ UNVERIFIED |
| YAYork Automotive Welding & Fabrication LLC | York | PA | — | ◇ UNVERIFIED |
| YCYork Crane Services LLC | Toledo | OH | — | ◇ UNVERIFIED |
| YHYork Haven Fabricators, INC. | York Haven | PA | — | ◇ UNVERIFIED |
| YSYork Sheet Metal/york | York | PA | — | ◇ UNVERIFIED |
| YPYorktown Power Station | Yorktown | VA | — | ◇ UNVERIFIED |
| YAYorozu Automotive Tennessee | Morrison | TN | — | ◇ UNVERIFIED |
| YYYost & Yost | Fairview | WV | — | ◇ UNVERIFIED |
| YPYoToJo Properties, LLC | Brunswick | OH | — | ◇ UNVERIFIED |
| YAYoung and Daughters | Corinth | MS | — | ◇ UNVERIFIED |
| YCYoung Cimtech LLC | New Albany | IN | — | ◇ UNVERIFIED |
| YCYoung CORP Nordick Div | Woodinville | WA | — | ◇ UNVERIFIED |
| YAYoungers and Sons Manufacturing CO INC | Viola | KS | — | ◇ UNVERIFIED |
| YGYoung Galvanizing/pulaski Twp | Pulaski | PA | — | ◇ UNVERIFIED |
| YMYoung Machine CO. | Monticello | UT | — | ◇ UNVERIFIED |
| YPYoung Products | Suisun City | CA | — | ◇ UNVERIFIED |
| YCYoungs Custom Ag Service | Spring Valley | IL | — | ◇ UNVERIFIED |
| YPYoungstown Pipe & Supply, LLC | Campbell | OH | — | ◇ UNVERIFIED |
| YBYturralde Building, LLC, a California limited liability company | San Diego | CA | — | ◇ UNVERIFIED |
| YMYukon Mfg CO | Litchfield | MI | — | ◇ UNVERIFIED |
| YIYulista Integrated Solutions, LLC. Gateway | Huntsville | AL | — | ◇ UNVERIFIED |
| YMYulista Management Services, INC. | Madison | AL | — | ◇ UNVERIFIED |
| YCYuma Chrome Plating | Yuma | AZ | — | ◇ UNVERIFIED |
| YWY & W Technologies - Noconnah | Memphis | TN | — | ◇ UNVERIFIED |
| ZMZachry Moss Point Fabrication Facility | Moss Point | MS | — | ◇ UNVERIFIED |
| ZMZala Machine Co., INC. | Hillsborough | NJ | — | ◇ UNVERIFIED |
| ZUZanasi USA | Maple Grove | MN | — | ◇ UNVERIFIED |
| ZMZankowski Machine | Hazleton | PA | — | ◇ UNVERIFIED |
| ZEZarco Equipment INC. | Henderson | CO | — | ◇ UNVERIFIED |
| ZFZbm Fairmont | Fairmont | MN | — | ◇ UNVERIFIED |
| ZTZebra Test Facility | Hyattsville | MD | — | ◇ UNVERIFIED |
| ZHZedwick Holdings, LLC | Owensboro | KY | — | ◇ UNVERIFIED |
