| PSPortable Solutions Group | Wurtland | KY | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| QSQuality Steel CORP of Ms | West Jordan | UT | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| QTQuick Tanks, INC. | Kendallville | IN | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| RBRiver Bend Industries | Blanchard | OK | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
Roy E. Hanson Jr. Mfg. | Los Angeles | CA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| SASamuel Advanced Fabrication | Tucson | AZ | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| SPSamuel Pressure Vessel Group - Lebanon | Lebanon | VA | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
Steel Structures, INC. | Madera | CA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
Structural Composites Industries LLC | Pomona | CA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| TBT Bailey INC | Anacortes | WA | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| WTWatco Tanks INC. | Floresville | TX | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| WIWiltew INC | Semmes | AL | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| WIWorthington Industries Cylinders CORP | Jefferson | OH | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| AXAir X Changers | Catoosa | OK | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| BCBendel CORP | Charlotte | NC | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| CWChart (formerly Worthington Cryogenics) Theodore | Theodore | AL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| CIChart, INC. (distribution and Storage) | Ball Ground | GA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| HMHoltec Manufacturing | East Pittsburgh | PA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| KPKrishna P Singh Technology Center | Camden | NJ | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| LILee Ind INC | Philipsburg | PA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| MTManchester Tank & Equipment CO | Quincy | IL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
Paul Mueller Company | Osceola | IA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| QSQuality Steel CORP. | Cleveland | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| SSSamuel, Son & CO. (usa) INC. D/b/a Samuel Pressure Vessel Group- Tomahawk | Tomahawk | WI | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| BGBuhler Group | Plymouth | MN | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| 9M94984 - Midwest Tank CO | Big Lake | MN | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
Cryocraft Systems, LLC | Jasper | GA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
Don Wood, INC. | Orlando | FL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
Johansing Iron Works, INC. | Benicia | CA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| MIMoore Iron and Steel CORP. | Yale | OK | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| SISmith Industries | Midland | TX | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| UAUnited Alloy, INC. | Janesville | WI | Fabricated Metal Product Manufacturing332312 | 500+ | ◐ LIKELY ACTIVE |
| WMWatson Metal Masters | Springfield | MO | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
Willborn Bros. Co., LLC | Amarillo | TX | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| AWArcosa Wind Towers INC | Clinton | IL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| 2A2011 Angelina Manufacturing | Lufkin | TX | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| ACAcme Cryogenics | Allentown | PA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| AWAmber Waves, INC. | Richardton | ND | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| AWArcosa Wind Towers, Belen, NM | Belen | NM | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| ASAst Storage, LLC | Jay | OK | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| BTBaker Tankhead INC | Fort Worth | TX | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| BEBest Enterprises, INC. | Cabot | AR | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| BTBluegrass Tank and Equipment INC | Elizabethtown | KY | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| BRBosch Rexroth CORP | Bethlehem | PA | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| BIBwfs Industries | Houston | TX | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| CTCalumet Tank & Equipment CO | Chicago | IL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| CIChart INC. | Theodore | AL | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| CCChattanooga Corporation | Chattanooga | TN | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| CLCryoquip LLC | Murrieta | CA | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| DDD.B. Doran Copper & Iron Works | Belle Rose | LA | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |