| Business | Phone |
| 2020 Engineering 700 Dupont St, Bellingham 98225 | (360) 671-2020 |
| A G Consulting Engineers 1200 Dupont St 2f, Bellingham 98225 | (360) 671-7340 |
| Apollonio Naval Architecture 1115 N State St 301, Bellingham 98225 | (360) 733-6859 |
| Aptus Engineering Ps 1601 F St, Bellingham 98225 | (360) 715-0121 |
| Associated Project Consultants 1401 Astor St, Bellingham 98225 | (360) 671-1146 |
| Ayers Professional Group 1911 C St, Bellingham 98225 | (360) 738-3669 |
| Aylen & Assoc 650 Highland Dr, Bellingham 98225 | (360) 676-0252 |
| Bennett Engineering 2000 Franklin St 101, Bellingham 98225 | (360) 671-2600 |
| Celt M Schira Pe 1028 12th St, Bellingham 98225 | (360) 756-8957 |
| Conveyor Dynamics Inc 1111 W Holly St A, Bellingham 98225 | (360) 671-2200 |
| David Evans & Assoc Inc 119 Grand Ave D, Bellingham 98225 | (360) 647-7151 |
| Dibble Engineering Inc 600 Dupont St, Bellingham 98225 | (360) 734-1288 |
| Hamilton Road Safety Inc Bellingham 98225 | (360) 671-6509 |
| Harris Group Inc Bellingham 98225 | (360) 734-5945 |
| Somerset Engineering Corp 1155 N State St 420, Bellingham 98225 | (360) 734-2309 |
| Veco Federal Inc 1313 Bay St, Bellingham 98225 | (360) 676-1501 |
| Veco Usa Inc 1313 Bay St, Bellingham 98225 | (360) 676-1500 |
| Whitwater Engineering Corp 3633 Alderwood Ave, Bellingham 98225 | (360) 733-3008 |
| Anvil Corp 1675 W Bakerview Rd, Bellingham 98226 | (360) 671-1450 |
| Cascade Geotechnical 4200 Meridian St, Bellingham 98226 | (360) 647-8588 |
| Structural Diagnostic Test Svc 1225 E Sunset Dr 640, Bellingham 98226 | (360) 647-6681 |
| Tyee Consulting 1049 E Kelly Rd, Bellingham 98226 | (360) 398-0193 |
| United Energy Engineers Inc 3035 Silvern Ln, Bellingham 98226 | (360) 647-2427 |
| Web Engineering Ltd 149 W Kellogg Rd, Bellingham 98226 | (360) 671-7002 |
| Van Den Top Damon Pe Bellingham 98228 | (360) 933-1345 |
| Atco Communication Svc 575 Whitecap Rd, Bellingham 98229 | (360) 671-0283 |
| Bradley Engineering Inc 811 Yew St, Bellingham 98229 | (360) 752-5795 |
| Sehome Engineering 1325 Lincoln St 3, Bellingham 98229 | (360) 738-8156 |
| Zei 2115 Electric Ave, Bellingham 98229 | (360) 676-2659 |