| Metalloy Industries, Inc. | Alachua | FL | $22.8M |
| Orkal Industries LLC | Carle Place | NY | $6.72M |
| One-way Manufacturing Inc. | Anaheim | CA | $4.19M |
| Deangelo Marine Exhaust, Inc. | Fort Lauderdale | FL | $4.17M |
| E.a. Patten Co. LLC | Manchester | CT | $3.75M |
| Troy Tube & Manufacturing Co. | Chesterfield | MI | $3.72M |
| Kendall Holdings Ltd. | Columbus | OH | $2.15M |
| World Wide Fittings Inc. | Vernon Hills | IL | $1.8M |
| Pevco Systems International, Inc. | Baltimore | MD | $1.79M |
| Bestweld Inc. | Pottstown | PA | $1.72M |
| Advanced Thermal Products, Inc. | Irvine | CA | $1.57M |
| Cunico Corporation | Long Beach | CA | $1.12M |
| Rc Fluid Engineering, Inc. | La Quinta | CA | $967K |
| Ez Aero MFG Inc. | Hampstead | MD | $815K |
| Custom Alloy, LLC | High Bridge | NJ | $647K |
| Macomber Cryogenics, Inc. | Newton | NH | $636K |
| Bison Pipe & Supply LLC | Jerome | ID | $545K |
| Wallingford Industries, Inc. | Branford | CT | $530K |
| Alaskan Copper Companies, Inc. | Seattle | WA | $435K |
| Fe Moran Inc. Industrial | Hammond | IN | $434K |
| Seabreeze Aluminum Culvert Inc. | Winnie | TX | $358K |
| Technifab Products Inc. | Brazil | IN | $340K |
| Nilkanth Two Inc. | Adamsburg | PA | $267K |
| Pennsylvania Machine Works, LLC | Aston | PA | $222K |
| Metal Culverts, Inc. | Jefferson City | MO | $169K |
| Pacific Corrugated Pipe Company, LLCCasa Grande, AZ · UEI JFFKYJEF7TS1 | Casa Grande | AZ | $158K |
| Cryoworks, Inc. | Jurupa Valley | CA | $145K |
| Arw Inc. | Mechanicsville | MD | $132K |
| Ohishi Gomu Co. Ltd. | Sasebo | | $114K |
| Simplified Safety, Inc. | Rochester | NY | $104K |
| Rotary Systems Inc. | Anoka | MN | $95.4K |
| B & C Fire Safety, Inc. | Fort Walton Beach | FL | $66.3K |
| Consolidated Pipe & Tube Co. | Lubbock | TX | $63.8K |
| Johnson Screens, Inc. | New Brighton | MN | $59.1K |
| Deublin Company, LLC | Waukegan | IL | $53.6K |
| Pacific Corrugated Pipe Company, LLCEugene, OR · UEI G6GTHY7U6LB3 | Eugene | OR | $42.7K |
| Sure Flow Equipment Inc. | Burlington | ON | $35K |
| Southeastern Pipe & Drain Systems, Inc. | Aiken | SC | $30.8K |
| Triangle Engineering, Inc. | Hanover | MA | $23.9K |
| Industrial Products Group, LLC | Chesapeake | OH | $23.8K |
| Woolf Aircraft Products, Inc. | Romulus | MI | $23.6K |
| The Pipe Line Development Company | Strongsville | OH | $20.9K |
| Generation FSH LLC | Tulsa | OK | $18.3K |
| Pacific Corrugated Pipe Company, LLCLongview, WA · UEI GKUHQRUGAHL4 | Longview | WA | $11.5K |
| Thermal Pipe Systems Inc. | Wilmington | DE | $9,131 |
| Imperial Weld Ring Corp. Inc. | Elizabeth | NJ | $2,365 |
| Aero Arc | Gardena | CA | Subcontractor |
| Aero Bending Company | Palmdale | CA | Subcontractor |
| Bauer Welding And Metal Fabricators, Incorporated | Saint Paul | MN | Subcontractor |
| Bonney Forge Corp. | Mount Union | PA | Subcontractor |
| Central States Industrial Equipment & Service, Inc. | Springfield | MO | $0 |
| Cherokee Culvert Co. Inc. | Macon | GA | $0 |
| Creform Corporation | Greer | SC | $0 |
| Custom Marine Inc. | Neenah | WI | Subcontractor |
| Dynamic Tube Inc. | Maquoketa | IA | Subcontractor |
| Ezeflow USA Inc. | New Castle | PA | Subcontractor |
| Felker Brothers Corp. | Marshfield | WI | Subcontractor |
| High Purity Systems, Inc. | Manassas | VA | Subcontractor |
| Hoffman Instrumentation Supply Inc. | Hillsboro | OR | $0 |
| Hollaender Manufacturing Co. | Cincinnati | OH | Subcontractor |
| Horn Machine Tools, Inc. | Madera | CA | Subcontractor |
| H-P Products Inc. | Louisville | OH | Subcontractor |
| Hub City Sprinklers, Inc. | Hagerstown | MD | $0 |
| JC/DC Metal Works Inc. | Bremerton | WA | Subcontractor |
| Lane Enterprises, LLC | Camp Hill | PA | $0 |
| Marine Exhaust Systems Of Alabama, Inc. | Fairhope | AL | $0 |
| Metal Forming Solutions LLC | Tulsa | OK | Subcontractor |
| Mundo Tech Inc. | Rogers | AR | Subcontractor |
| Muns Services LLC | Beech Island | SC | $0 |
| Omega Flex, Inc. | Exton | PA | Subcontractor |
| Pacific Corrugated Pipe Company LLC | Fontana | CA | $0 |
| Rem Consulting LLC | Decatur | AL | Subcontractor |
| Rojek Welding & Mechanical Services LLC | Darlington | MD | Subcontractor |
| S L Engineering Ltd. | Sleaford | | Subcontractor |
| Spiral Industries, Inc. | Howell | MI | $0 |
| Stark Manufacturing LLC | Paris | AR | Subcontractor |
| Steico Industries, Inc. | Oceanside | CA | Subcontractor |
| Taylor Forge Engineered Systems, Inc. | Paola | KS | Subcontractor |
| Team Industries Inc. | Kaukauna | WI | Subcontractor |
| The Philadelphia Pipe Bending Co. | Philadelphia | PA | Subcontractor |
| Thermacor Process Inc. | Fort Worth | TX | Subcontractor |
| Tm Industrial Supply Inc. | Erie | PA | $0 |
| TPG Pressure, Inc. | Grand Prairie | TX | Subcontractor |
| Truly Tubular Fitting Corp. | Mount Vernon | NY | $0 |
| Tube Bending Technology, LLC | Apple Valley | CA | Subcontractor |
| Tube Mac Industries Inc. | Zelienople | PA | $0 |
| Tube Specialties, Inc. | Tempe | AZ | Subcontractor |
| United Metal Fabricators, Inc. | Maple Heights | OH | Subcontractor |
| USA Bending, LLC | Pasadena | TX | Subcontractor |
| Utah Cryogenic Piping, LLC | Hooper | UT | Subcontractor |
| Veridiam, Inc. | El Cajon | CA | Subcontractor |
| Ytiga Incorporated | London | ON | Subcontractor |
| Coventry Manufacturing Company, Inc. | Mount Vernon | NY | Subcontractor |