| BRBosch Rexroth Corporation | Charlotte | NC | Machinery Manufacturing333249 | 100-499 | ◐ LIKELY ACTIVE |
| BGBoston Gear LLC | Charlotte | NC | Machinery Manufacturing333612 | 100-499 | ◐ LIKELY ACTIVE |
| BUBoysen USA Alabama LLC | Brookwood | AL | Machinery Manufacturing333992 | 100-499 | ◐ LIKELY ACTIVE |
| BIBranick Industries INC | Fargo | ND | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BMBroaching Machine Specialties | Novi | MI | Machinery Manufacturing333319 | 1-19 | ◐ LIKELY ACTIVE |
Bte Mid Western LLC | Wentzville | MO | Machinery Manufacturing333131 | — | ◐ LIKELY ACTIVE |
| BBBucyrus Blades | Bucyrus | OH | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
Buell Automatics INC. | Rochester | NY | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| BABuffalo Air Handling | Amherst | VA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| BCBunn-o-matic CORP | Springfield | IL | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| BMBurco Molding Incorporated | Noblesville | IN | Plastics and Rubber Products Manufacturing326121 | 20-99 | ◐ LIKELY ACTIVE |
| BOBurr Oak Tool INC | Sturgis | MI | Machinery Manufacturing333513 | 100-499 | ◐ LIKELY ACTIVE |
| BPBw Papersystems | Phillips | WI | Fabricated Metal Product Manufacturing332710 | 500+ | ◐ LIKELY ACTIVE |
| COCable Operations | Claremore | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| CCCarnes CO | Verona | WI | Machinery Manufacturing333410 | 20-99 | ◐ LIKELY ACTIVE |
| CCCarrier Corporation | Collierville | TN | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| CTCarry-on Trailer CORP | Winnemucca | NV | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
| CDCarter Day Intl. INC. | Fridley | MN | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| CHCarter Hoffmann LLC | Mundelein | IL | Machinery Manufacturing333241 | 100-499 | ◐ LIKELY ACTIVE |
| CHCasa Herrera INC | Pomona | CA | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| CMCatbridge Machinery | Montville | NJ | Machinery Manufacturing333244 | 100-499 | ◐ LIKELY ACTIVE |
| CICaterpillar INC | Corinth | MS | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| CICaterpillar, INC. | North Little Rock | AR | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| CICaterpillar INC Griffin Power Sys | Griffin | GA | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| CWCaterpillar Work Tools | Wamego | KS | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| CGC. G. Bretting Manufacturing Co., INC. | Ashland | WI | Paper Manufacturing322299 | 100-499 | ◐ LIKELY ACTIVE |
| CPChange Parts INC | Ludington | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| CMCharles Machine Works INC the / 1959 W Fir Ave | Perry | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| CRCharleston Recon Plant | North Charleston | SC | Machinery Manufacturing333618 | 100-499 | ◐ LIKELY ACTIVE |
| CGChas G Allen CO INC | Barre | MA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CCChentronics CORP | Norwich | NY | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| CBChicago Blower CORP | Glendale Heights | IL | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| CMChicago Mold Engineering CO INC | Saint Charles | IL | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| CCChrysler CORP - Trenton Engine Plant | Trenton | MI | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| CMChurch Metal Spinning CO | Milwaukee | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| CLCicoil LLC | Valencia | CA | Machinery Manufacturing333924 | 100-499 | ◐ LIKELY ACTIVE |
| CMCity Machine & Welding | Amarillo | TX | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
Claros Technologies INC | Minneapolis | MN | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| CHClayton H Landis CO INC | Souderton | PA | Fabricated Metal Product Manufacturing332323 | 100-499 | ◐ LIKELY ACTIVE |
| CCClimacool CORP | Oklahoma City | OK | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| CSClordisys Solutions INC | Somerville Boro | NJ | Machinery Manufacturing333249 | — | ◐ LIKELY ACTIVE |
| CCCmd CORP | Appleton | WI | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| CICnh Industrial America LLC | Grand Island | NE | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| CCColmac Coil Midwest | Paxton | IL | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| CBColumbia Body Mfg | Clackamas | OR | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| CIComponent Intertechnologies/hadley | Hadley | PA | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
| CIComus International, INC | Clifton | NJ | Machinery Manufacturing333999 | — | ◐ LIKELY ACTIVE |
Conway Manufacturing Group, INC | Conway | AR | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| CBCook Bonding & Manufacturing CO | Cleveland | OH | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CICorning, INC. | Keene | NH | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |