| Business | Phone |
| Fenpro Inc 2601 Nw Market St, Seattle 98107 | (206) 789-2800 |
| Joy Specialty Metals 18550 Firlands Way N 100, Seattle 98133 | (206) 542-5161 |
| Puget Sound Pipe & Supply Co 3223 3rd Ave S, Seattle 98134 | (253) 796-9350 |
| Sunshine Metals Inc Seattle 98103 | (206) 575-4066 |
| Metal Shorts 4101 W Marginal Way Sw, Seattle 98106 | (206) 382-0305 |
| Rhinehart Metal Works 9066 Delridge Way Sw, Seattle 98106 | (206) 932-4575 |
| Mc Sweeney Steel Co 552 S Michigan St, Seattle 98108 | (206) 583-0763 |
| Puget Sound Pipe & Supply 220 S Dawson St, Seattle 98108 | (206) 764-9300 |
| Sea Cast 207 S Bennett St, Seattle 98108 | (206) 767-5759 |
| Seattle Wire 701 Dexter Ave N 120, Seattle 98109 | (206) 286-0100 |
| Sei Northwest Inc 222 Etruria St, Seattle 98109 | (206) 281-8500 |
| North Star Industries Inc 12535 15th Ave Ne 205, Seattle 98125 | (206) 281-7000 |
| R B Co Inc 11536 Meridian Ave N, Seattle 98133 | (206) 361-1171 |
| Specialized Mechanical Inc 12625 Stone Ave N, Seattle 98133 | (206) 418-1296 |
| Keller Supply Co 737 S Stacy St, Seattle 98134 | (206) 340-0800 |
| National Water Works 415 S Holgate St, Seattle 98134 | (206) 223-0400 |
| Seaport Steel Ssc 3660 E Marginal Way S, Seattle 98134 | (206) 343-0700 |
| Western Utilities Supply Co 5409 Ohio Ave S, Seattle 98134 | (206) 762-7025 |
| Pdm Steel Svc Ctr Inc 22659 Pacific Hwy S 302, Seattle 98198 | (206) 824-4041 |