| ASArchibald Sheet Metal, Inc. | Lakeside | CA | — | ◇ UNVERIFIED |
| ACArchitectural Construction Services INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| ADArchitectural Design Concepts | Springfield | MO | — | ◇ UNVERIFIED |
| AFArchitectural Fabrications INC | Auburn | WA | — | ◇ UNVERIFIED |
| AIArchitectural & Industrial Metal Fabrication | Roswell | GA | — | ◇ UNVERIFIED |
| AMArchitectural Metal Works INC | Turner | OR | — | ◇ UNVERIFIED |
| ASArchitectural Sheet Metal & Panels, INC. | Cheyenne | WY | — | ◇ UNVERIFIED |
| ASArchitectural Sheetmetal Products, INC. | Scotia | NY | — | ◇ UNVERIFIED |
| ASArchitectural Sheet Metal Systems, INC. | Bridgeton | MO | — | ◇ UNVERIFIED |
| AMArco Metals, INC | Baltimore | MD | — | ◇ UNVERIFIED |
| ASArjae Sheet Metal CO INC | Happy Valley | OR | — | ◇ UNVERIFIED |
| AMArmadillo Metalworks, INC. | Passaic | NJ | — | ◇ UNVERIFIED |
| AMArmi Manufacturing | Fayetteville | AR | — | ◇ UNVERIFIED |
| APArmorcast Prod. CO | North Hollywood | CA | — | ◇ UNVERIFIED |
| APArmorcast Products Company | North Hollywood | CA | — | ◇ UNVERIFIED |
| APArmstrong Power Systems, LLC | Miami | FL | — | ◇ UNVERIFIED |
| ACArning Companies INC | Cassville | MO | — | ◇ UNVERIFIED |
| AIArning Industries, INC. | Metairie | LA | — | ◇ UNVERIFIED |
| ACArrow Components CORP | Ramsey | MN | — | ◇ UNVERIFIED |
 Arrowhead Products INC | Hopkins | MN | — | ◇ UNVERIFIED |
| AHArrow Heating Company | Tualatin | OR | — | ◇ UNVERIFIED |
| AFArtisan Fabrication LLC | Strafford | MO | — | ◇ UNVERIFIED |
| AMArtis Metals Co., INC. | Boise | ID | — | ◇ UNVERIFIED |
| AWArtistic Welding INC | Gardena | CA | — | ◇ UNVERIFIED |
| AJArt Jupiter LLC | Jupiter | FL | — | ◇ UNVERIFIED |
| ATArvite Technologies, INC. | Erie | PA | — | ◇ UNVERIFIED |
| ANASAP Now, LLC | Dallas | GA | — | ◇ UNVERIFIED |
| ASA.s.a.p. Sheet Metal, INC. | Metairie | LA | — | ◇ UNVERIFIED |
| AAsm | East Palo Alto | CA | — | ◇ UNVERIFIED |
| APAsn Products LLC | Eugene | OR | — | ◇ UNVERIFIED |
| AMAson Metal Products INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| ASAtech - S.e.h. Metal Fabricators, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| APAtlantic Precision Sheet Metal LLC | Clinton | MA | — | ◇ UNVERIFIED |
| AAAtlas Adhan Industries | Chippewa Falls | WI | — | ◇ UNVERIFIED |
| AMAtlas Manufacturing Div of Meribel | Minneapolis | MN | — | ◇ UNVERIFIED |
| AAAtomic Architectural Metal INC | Vadnais Heights | MN | — | ◇ UNVERIFIED |
| ATA & T Sheet Metal | Bountiful | UT | — | ◇ UNVERIFIED |
| ATAuburn Tank & Manufacturing Co., INC. | Auburn | NY | — | ◇ UNVERIFIED |
| APAurora Precison Metals, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| AMAutomated Manufacturing Solutions, INC. | Winder | GA | — | ◇ UNVERIFIED |
| AUAwningtec USA Incorporated | Corydon | IN | — | ◇ UNVERIFIED |
| AMA-z Manufacturing and Sales Company, Incorporated | Blue Springs | MO | — | ◇ UNVERIFIED |
| BSBace Services | Jacksonville | FL | — | ◇ UNVERIFIED |
| BSBallard Sheet Metal Wks INC | Seattle | WA | — | ◇ UNVERIFIED |
| BBBarry Berndt | Fortson | GA | — | ◇ UNVERIFIED |
| BAB a S Precision Sheet Metal | Morgan Hill | CA | — | ◇ UNVERIFIED |
| BSBauer Sheet Metal & Fabricating, INC | Fruitport | MI | — | ◇ UNVERIFIED |
| BRBautista Reo Pr CORP 205 Avenida Laurel | Bayamon | PR | — | ◇ UNVERIFIED |
| BSBayou Sheet Metal Services, LLC | Houma | LA | — | ◇ UNVERIFIED |
| BBB & B Insulation CO INC | Houston | TX | — | ◇ UNVERIFIED |
 B&b Manufacturing | Saint Croix | VI | — | ◇ UNVERIFIED |
| BBB & B Sheet Metal | Oklahoma City | OK | — | ◇ UNVERIFIED |
| BIBcc INC | Savannah | MO | — | ◇ UNVERIFIED |
| BMB.c. Mechanical, LLC | Newkirk | OK | — | ◇ UNVERIFIED |
| BSBeacon Sales Acquisition, INC | West Bridgewater | MA | — | ◇ UNVERIFIED |
| BMBegneaud Manufacturing INC | Scott | LA | — | ◇ UNVERIFIED |
| BPBenchmark Precision Products LLC | West Newbury | MA | — | ◇ UNVERIFIED |
| BMBenner Metals Corporation | Fullerton | CA | — | ◇ UNVERIFIED |
| BCBerg Companies | Spokane | WA | — | ◇ UNVERIFIED |
| BBBerger Building Products, INC. | Ivyland | PA | — | ◇ UNVERIFIED |
| BDBernard Dalsin Manufacturing | Farmington | MN | — | ◇ UNVERIFIED |
| BVBerrydale Ventures LLC | Kent | WA | — | ◇ UNVERIFIED |
| BRBert R Huncilman and Son INC | New Albany | IN | — | ◇ UNVERIFIED |
| BFBest-way Fabricating INC | Saint Joseph | MN | — | ◇ UNVERIFIED |
| BBBetter Bilt Sheet Metal LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| BMBetter Maintenance Sheet Metal CORP. | Newburyport | MA | — | ◇ UNVERIFIED |
| BMB.g. Metals, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| BTBh Tank Works INC Dba Bh Tank INC | Madera | CA | — | ◇ UNVERIFIED |
 Blackman, INC. | New Franken | WI | — | ◇ UNVERIFIED |
| BRBlack Rock Venture LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BIBliss Industries INC | Fremont | CA | — | ◇ UNVERIFIED |
| BBBlue Bird Realty LLC | Linden | NJ | — | ◇ UNVERIFIED |
| BDBlue Diamond Sheet Metal, Inc. | Medford | NY | — | ◇ UNVERIFIED |
| BWBlue Water Fabricators INC | Shelby Township | MI | — | ◇ UNVERIFIED |
| BWBlue Wolf Capital Partners LLC Dba Snappy Air Dist | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| BMB & M Metal Works | Catoosa | OK | — | ◇ UNVERIFIED |
| BMBng Management Group, LLC | Macon | GA | — | ◇ UNVERIFIED |
| BNB - N Sheet Metal INC | Wyoming | MN | — | ◇ UNVERIFIED |
| BMBob's Metal Shop LLC | Mesa | AZ | — | ◇ UNVERIFIED |
| BSBohnert Sheet Metal & Roofing CO. | Miami | FL | — | ◇ UNVERIFIED |
| BMBombard Mechanical, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| BIBonland Industries, INC. | Philadelphia | PA | — | ◇ UNVERIFIED |
| BPBoss Precision LTD. | Spencerport | NY | — | ◇ UNVERIFIED |
| BMBp Metals LLC | Blaine | MN | — | ◇ UNVERIFIED |
| BEBreshears Enterprises, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| BHBritton Holdings Limited Liability Company | Bloomfield | CT | — | ◇ UNVERIFIED |
| BIBrotech INC. | Payson | UT | — | ◇ UNVERIFIED |
| BWBrown Welding Company | Laurel | MD | — | ◇ UNVERIFIED |
| BDBruce & Dana Wholesale INC | Salem | OR | — | ◇ UNVERIFIED |
| BLBryanAprilbuilding LLC | Ogden | UT | — | ◇ UNVERIFIED |
| BSBryant Sheet Metal, INC. | Hanover | MA | — | ◇ UNVERIFIED |
| BMBtd Manufacturing INC | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| BFBt Fab | Sparks | NV | — | ◇ UNVERIFIED |
| BTB & T Metal Works, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| BMBulling Metal Works, INC. | San Leandro | CA | — | ◇ UNVERIFIED |
| BRBull Run Metal Fabricators & Engineers INC | Clinton | TN | — | ◇ UNVERIFIED |
| BRBull Run Metal, INC. | Manassas | VA | — | ◇ UNVERIFIED |
| BHBw Hvac Operations LLC | Portland | OR | — | ◇ UNVERIFIED |
| CSCabell Sheet Metal and Roofing, INC. | Ceredo | WV | — | ◇ UNVERIFIED |
| CMCabrac Mfg | San Fernando | CA | — | ◇ UNVERIFIED |
