| 4-L Mfg Inc | 319-455-2450 | 418 E Hwy 30 | Lisbon | IA | 52253 |
| A & S Tool & Manufacturing Co | 319-355-1313 | 4415 State St | Bettendorf | IA | 52722 |
| Blastcoating Technology | 319-366-4766 | 824 27th Ave SW | Cedar Rapids | IA | 52404 |
| Block W G Co Main Ofc | 319-326-1651 | 600 E 4th St | Davenport | IA | 52801 |
| Blue Grass Steel | 319-381-2411 | 210 Terrace Dr | Blue Grass | IA | 52726 |
| Boldt Welding & Automotive | 319-385-4016 | Hwy 34 W | Mount Pleasant | IA | 52642 |
| Bradley Iron Works Inc | 319-588-0577 | 2345 Kerper Blvd | Dubuque | IA | 52001 |
| C & R Machine & Fabrication | 319-523-2307 | 218 Franklin St # 99 | Wapello | IA | 52653 |
| Charles Cross Co Inc | 319-242-6871 | 1723-14th Av S | Clinton | IA | 52733 |
| Contractors Steel Co | 319-732-3661 | 2610 W 3rd St | Wilton | IA | 52778 |
| Custom Metal Fabricators | 319-476-2990 | 101 Highway 21 | Dysart | IA | 52224 |
| David Bear Inc | 319-365-7133 | 5042 4th St SW | Cedar Rapids | IA | 52404 |
| Dubuque Stamping & Mfg Inc | 319-583-5716 | E 32nd St At Jackson St | Dubuque | IA | 52001 |
| Egolfs Industrial Services Inc | 319-381-4244 | 3690 150th St | Blue Grass | IA | 52726 |
| Eldridge Welding & Ornamental Iron | 319-285-9623 | 230 E Le Claire Rd | Eldridge | IA | 52748 |
| Ellison Rick | 319-364-3235 | 876 12th St NE | Cedar Rapids | IA | 52402 |
| Fauser Development Co | 319-659-3191 | 225 6th Ave | De Witt | IA | 52742 |
| Fawn Creek Homes Ltd | 319-462-6155 | 1900 Highway 64 E | Anamosa | IA | 52205 |
| Foundry Equipment Co | 319-644-2333 | 930 S Market St | Solon | IA | 52333 |
| Genes Welding & Mfg | 319-984-5456 | 112 E Main St | Denver | IA | 50622 |
| Gent Greg Shop | 319-639-2551 | 210 Keokuk Washington Dr | Wellman | IA | 52250 |
| Gregory Manufacturing Steel Fabricators | 319-463-7641 | 2512 Henry Ladyn Dr | Fort Madison | IA | 52627 |
| Haman Welding & Repair | 319-351-8952 | 609 Olypic Ct | Iowa City | IA | 52240 |
| Henschen Manufacturing Co | 319-323-1111 | 1727 W 2nd St | Davenport | IA | 52802 |
| Howard Steel Co | 319-323-8081 | 2343 Rockingham Rd | Davenport | IA | 52802 |
| Iowa Fabrication & Design Inc | 319-987-2255 | 5007 W Cedar Wapsie | Janesville | IA | 50647 |
| Jeffs Welding | 319-647-2849 | 2103 B Ave | Victor | IA | 52347 |
| Jensen Welding | 319-323-6454 | 1708 Rockingham Rd | Davenport | IA | 52802 |
| Johnson Metal Crafters Inc | 319-242-7761 | 1201 S 5th St | Clinton | IA | 52732 |
| Keating Steel Fabricators Inc | 319-653-3775 | 110 N 15th Ave | Washington | IA | 52353 |
| Keeney Welding | 319-682-7699 | PO Box 17 | Miles | IA | 52064 |
| Ken's Welding | 319-627-2688 | 1186 130th St | West Liberty | IA | 52776 |
| Kerr Fabricators Inc | 319-524-5605 | 601 S 3rd St | Keokuk | IA | 52632 |
| L & J Metal Fabrications Inc | 319-642-7725 | Hwy 6 | Marengo | IA | 52301 |
| Lewis' Handywork Ltd | 319-346-2549 | 32561 Newell Av | Parkersburg | IA | 50665 |
| Lint Millwright Inc | 319-366-6786 | 1005 60th Ave SW | Cedar Rapids | IA | 52404 |
| Martin Mini Barns | 319-646-2617 | 1196 Ginkgo Ave | Wellman | IA | 52356 |
| Metal Fabricators Co Inc | 319-393-3762 | 1265 Hawkeye Dr | Hiawatha | IA | 52233 |
| Micro Tec Inc | 319-895-9818 | PO Box 481 | Marion | IA | 52302 |
| Midwest Industrial Fabrication | 319-355-1721 | 225 State St | Bettendorf | IA | 52722 |
| Midwest Metal Products Inc | 319-366-6264 | 800 66th Ave SW | Cedar Rapids | IA | 52404 |
| Number 1 Fabricating | 319-354-7037 | 2665 Highway 1 NE | Iowa City | IA | 52240 |
| Ok Welding & Machine Inc | 319-323-7020 | 424 N Division St | Davenport | IA | 52802 |
| River City Metal Products Inc Main | 319-524-7871 | 20 S 7th St | Keokuk | IA | 52632 |
| Riverside Architectural Metal Co | 319-326-5121 | 3420 Miller Ave | Davenport | IA | 52802 |
| Shepard Const Co & Son Inc Home | 319-363-9693 | 1050 Prairie Dr NE | Cedar Rapids | IA | 52402 |
| Simons Fire Equipment & Repair Inc | 319-744-3217 | 207 3rd St NW | Farley | IA | 52046 |
| Steil Welding | 319-636-2935 | 208 S Main St | Hazleton | IA | 50641 |
| Sutton Welding & Fabrication | 319-927-6624 | 2538 York Ave | Winthrop | IA | 50682 |
| Tournier Welding Company | 319-232-8261 | 1800 Burton Ave | Waterloo | IA | 50703 |
| Tri-City Fabricating & Weld | 319-323-3653 | 1014 S Dittmer St | Davenport | IA | 52802 |
| Truby Machine Repair Co | 319-381-2663 | Blue Grass Industrial Pk | Blue Grass | IA | 52726 |
| Wady Industries Inc | 319-652-5136 | 510 E Grove St | Maquoketa | IA | 52060 |
