Manufacturing of sheet metal air-conditioning ducts
10,317 FACILITIESCensus designationManufacturing of sheet metal air-conditioning ducts (including dust collection ducts), stove pipe, furnace smoke pipe, and elbows
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Northwest Specialty Fab LLC | Central Point | OR | — | UNVERIFIED |
| Norwest Manufacturing Equipment LLC | Rupert | ID | — | UNVERIFIED |
| Nose and Mustache LLC | Markle | IN | — | UNVERIFIED |
| Nova Services INC. | Toledo | OH | — | UNVERIFIED |
| Nowak Properties, LLC | Punta Gorda | FL | — | UNVERIFIED |
| Nowlin Fence INC | Anaheim | CA | — | UNVERIFIED |
| Nsa Industries LLC | Saint Johnsbury | VT | — | UNVERIFIED |
| NSG Browns, LLC | Topeka | KS | — | UNVERIFIED |
| Nsjs LLC | Dallas | TX | — | UNVERIFIED |
| N & S Supply | Milton | NY | — | UNVERIFIED |
| Nucfil, LLC | Golden | CO | — | UNVERIFIED |
| Nucor Grating - Fisher & Ludlow INC. | Madison | MS | — | UNVERIFIED |
| Nucor Rebar Fabrication Fontana | Fontana | CA | — | UNVERIFIED |
| Nucor Rebar Fabrication Southwest INC | Lakeside | CA | — | UNVERIFIED |
| Nutec Tooling Sys | Meadville | PA | — | UNVERIFIED |
| NW Fluid Power & Controls Co. LLC | Auburn | WA | — | UNVERIFIED |
| Nw Iron Works INC | Portland | OR | — | UNVERIFIED |
| Nymar Manufacturing Co., INC. | Randolph | NJ | — | UNVERIFIED |
| O.a. Both CORP Dba Schlenk Metalic Pigments (stormwater) | Lawrence | KS | — | UNVERIFIED |
| Oakwalk Apartments | Emeryville | CA | — | UNVERIFIED |
| Obi Linings INC | Chocowinity | NC | — | UNVERIFIED |
| O'Brien Metal Inc. | Chicago | IL | — | UNVERIFIED |
| Obrien Ornamental Iron INC | Minneapolis | MN | — | UNVERIFIED |
| Occupational Health & Safety Administration | Idaho Falls | ID | — | UNVERIFIED |
| Oceanside Engineering Mfg | Oceanside | CA | — | UNVERIFIED |
| OCSM Capital, LLC | Anaheim | CA | — | UNVERIFIED |
| Ode Gutter Products | Kent | WA | — | UNVERIFIED |
| Odiz Group LLC | Granger | IN | — | UNVERIFIED |
| Oec Engineering Corporation | Chantilly | VA | — | UNVERIFIED |
| Oem Fabricators INC | Baldwin | WI | — | UNVERIFIED |
| O.e.m. Precision | Lake Elsinore | CA | — | UNVERIFIED |
| Oertel Sheet Metal | Davenport | IA | — | UNVERIFIED |
| Offroad Addiction, Inc | Oklahoma City | OK | — | UNVERIFIED |
| Offshore Spars Co. | Chesterfield | MI | — | UNVERIFIED |
| OGE Direct llc | Wrightstown | WI | — | UNVERIFIED |
| O' Hagin, LLC | Henderson | NV | — | UNVERIFIED |
| O'hagin Manufacturing LLC | Rohnert Park | CA | — | UNVERIFIED |
| Ohio-Kentucky Steel Corp. | Franklin | OH | — | UNVERIFIED |
| Ohio Match CO | Mancos | CO | — | UNVERIFIED |
| Ohio Metal Technologies INC | Hebron | OH | — | UNVERIFIED |
| Oh Keys | Bethany | OK | — | UNVERIFIED |
| Oh & Payne Intl. LLC. | Norcross | GA | — | UNVERIFIED |
| O'keeffe's | Merced | CA | — | UNVERIFIED |
| Oklahoma Stair Craft, INC. | Sapulpa | OK | — | UNVERIFIED |
| Oldcastle | Egg Harbor City | NJ | — | UNVERIFIED |
| Old Sole Fabrication INC | Denver | CO | — | UNVERIFIED |
| Old South Fabricators L.l.c. | Lecompte | LA | — | UNVERIFIED |
| Old South Ironworks INC | Gray | TN | — | UNVERIFIED |
| Old World Iron | Gilroy | CA | — | UNVERIFIED |
| Olins Sheet Metal, INC. | Albany | GA | — | UNVERIFIED |
| Oliver's Ornamental Iron, LLC | Flora | MS | — | UNVERIFIED |
| Olympia Chimney Supply, Incorporated | Scranton | PA | — | UNVERIFIED |
| Omco | Talladega | AL | — | UNVERIFIED |
| Omg, INC. Dba Hickman Engineered Systems | Arden | NC | — | UNVERIFIED |
| Omni CORP Ii | Saint Augustine | FL | — | UNVERIFIED |
| Omniduct | Everett | WA | — | UNVERIFIED |
| Omniduct Arlington | Arlington | WA | — | UNVERIFIED |
| Omniduct Az, LLC | Phoenix | AZ | — | UNVERIFIED |
| Omnimax | Gridley | IL | — | UNVERIFIED |
| Omnimax International, INC. | Ivyland | PA | — | UNVERIFIED |
| Omnimax International, LLC Dba Millennium Metals | Jacksonville | FL | — | UNVERIFIED |
| Omni Services | Falconer | NY | — | UNVERIFIED |
| On-board Pmo, Corporation | Valley View | OH | — | UNVERIFIED |
| O'neal Manufacturing Services | Indianapolis | IN | — | UNVERIFIED |
| O'neal Manufacturing Services | Cedar Falls | IA | — | UNVERIFIED |
| One Ez Post LLC | Kingsport | TN | — | UNVERIFIED |
| One Rig Design LLC | Poland | ME | — | UNVERIFIED |
| Oneto Metal Products CORP | Sacramento | CA | — | UNVERIFIED |
| Oney Sheetmetal INC | Fort Myers | FL | — | UNVERIFIED |
| OnGuard Fence Systems, Ltd. | Moorestown | NJ | — | UNVERIFIED |
| On-site Custom Fabrication INC. | Hendersonville | TN | — | UNVERIFIED |
| On The Edge MFG, Inc | Kittanning | PA | — | UNVERIFIED |
| On the Level Fabrication, LLC | Winder | GA | — | UNVERIFIED |
| Op Tanks LLC | Pleasant View | UT | — | UNVERIFIED |
| Orange Steel Roofing Products | Orange | VA | — | UNVERIFIED |
| Oregon Precision Manufacturing INC | Sherwood | OR | — | UNVERIFIED |
| Oreland Sheet Metal Inc | Huntingdon Valley | PA | — | UNVERIFIED |
| Ori Enterprises LLC | Wellington | UT | — | UNVERIFIED |
| Orion Asset Management Co., LLC | Akron | OH | — | UNVERIFIED |
| Ornamental Design Inc | Tampa | FL | — | UNVERIFIED |
| Ornamental Iron Concept,bartolome Fluxa | Van Nuys | CA | — | UNVERIFIED |
| Ornamental Ironworks | Los Angeles | CA | — | UNVERIFIED |
| Osage Canoes LLC | Lebanon | MO | — | UNVERIFIED |
| Oscar Diaz Rivera | San Juan | PR | — | UNVERIFIED |
| Oseda Industries Corporation | Corona | CA | — | UNVERIFIED |
| Osuna Ornamental LLC | Miami | FL | — | UNVERIFIED |
| Our Next Energy | Torrance | CA | — | UNVERIFIED |
| Owens Specialty Company, INC. | Channelview | TX | — | UNVERIFIED |
| Oxford General Industries INC | Prospect | CT | — | UNVERIFIED |
| P3 Manufacturing LLC | Cleveland | OH | — | UNVERIFIED |
| Pacfab Services LLC | Davenport | IA | — | UNVERIFIED |
| Pacific Duct INC | Montclair | CA | — | UNVERIFIED |
| Pacific Fiberglass INC | Salem | OR | — | UNVERIFIED |
| Pacific Metal Fab, INC | Madera | CA | — | UNVERIFIED |
| Pacific Metal Fab LLC | Eugene | OR | — | UNVERIFIED |
| Pacific Metal Fabricators | Stockton | CA | — | UNVERIFIED |
| Pacific Metal Works INC | Beaverton | OR | — | UNVERIFIED |
| Pacific Powder Coating & Manufacturing | Sacramento | CA | — | UNVERIFIED |
| Pacific Safe Manufacturing, Inc. | Upland | CA | — | UNVERIFIED |
| Pacific Waterjet Cutting INC | Chico | CA | — | UNVERIFIED |
FactoryRegistry lists 10,317 facilities whose primary industry classification is one of the 3 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced sheet metal air-conditioning ducts (including dust collection ducts), stove pipe, furnace smoke pipe, and elbows, in the shares shown above, and does not say which establishments. Where a plant’s own website or a federal registry names what that plant makes, it appears on the plant’s own page with the source named.
The U.S. Census Bureau recorded this product line in 3 US manufacturing industries in the 2022 Economic Census, as the most specific line those industries reported. At least 667 establishments reported producing it; the count for 1 of those industries was withheld.
These are counts of establishments by industry: the Economic Census publishes them as industry totals and never as a list of plants.
NAPCS collection code 2038675000. Source for the product line, the establishment counts and the shares: U.S. Census Bureau, 2022 Economic Census (ECNNAPCSIND2022). Federal source data is public domain. Facility records are compiled separately by FactoryRegistry and carry their own sources.