| intCompanyID | Company Name | Phone | Fax | Certification Status |
| 6884 | All 'n All Septic | (360) 994-0593 | |
Active
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| 675 | A AAeration Services | (360) 792-0478 | |
Active
|
| 581 | A+ Onsite | (360) 830-4765 | (360) 830-4766 |
Active
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| 693 | A-Advanced Septic Service Inc. | (253) 435-9999 | |
Active
|
| 9 | ABBA Excavating LLC | (253) 405-2576 | (253) 858-3661 |
Active
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| 454 | A-Bell Excavating | (253) 896-0043 | |
Active
|
| 6136 | Advanced Sewer Solutions Inc. | (253) 259-6957 | |
Active
|
| 7147 | ALC Septic & Excavation LLC | (360) 525-4457 | |
Active
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| 448 | All County Operations | (360) 779-9609 | (360) 633-1693 |
Active
|
| 6484 | All In Septic & Excavation LLC | (360) 598-4800 | |
Active
|
| 428 | Allied Design Inc. | (360) 620-7054 | |
Active
|
| 6840 | A-MAC Septic & Excavation | (360) 662-6562 | |
Active
|
| 25 | Aqua Test Inc. | (425) 432-9360 | |
Active
|
| 540 | Aspen LLC | (360) 638-1230 | |
Active
|
| 761 | BCS Development LLC | (360) 434-0111 | |
Active
|
| 48 | Brent Nuckols Construction, Inc. | (360) 697-3478 | (360) 697-6755 |
Active
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| 691 | Cedar Septic Services | (360) 271-2895 | |
Active
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| 7160 | Columbia Land Services | (425) 584-7167 | |
Active
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| 692 | Dano's Septic | (360) 373-4404 | |
Active
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| 6288 | Doug Hemley Septic Installation | (360) 204-3006 | |
Active
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| 606 | E&R Landscaping & Excavation | (360) 509-1793 | |
Active
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| 7017 | Empire Septic Install | (360) 689-9741 | |
Active
|
| 90 | Farm & Home Enterprises | (360) 674-2368 | |
Active
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| 91 | Fast Track Construction Inc. | (360) 731-8066 | (360) 297-6932 |
Active
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| 6210 | FloHawks LES | (253) 446-8485 | |
Active
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| 7014 | Freedom Septic | (360) 626-6036 | |
Active
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| 599 | G B Underground | (360) 731-3164 | |
Active
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| 7029 | Gettin It Done Septics | (360) 358-5120 | |
Active
|
| 6678 | Greentree Dozing | (206) 463-3889 | |
Active
|
| 538 | Grizzly Septic Services | (253) 857-3486 | |
Active
|
| 105 | Hemley's Septic Tank Cleaning Inc. | (253) 851-3432 | (253) 851-2749 |
Active
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| 5927 | Horizon Wastewater, Inc. | (360) 550-4277 | |
Active
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| 6763 | Indigo Septic Design Co. | (360) 779-5233 | |
Active
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| 7057 | J&A Contracting LLC | (206) 293-7241 | |
Active
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| 525 | Jim Campbell and Sons | (253) 845-5827 | |
Active
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| 6069 | JT Industrial | (360) 881-0200 | |
Active
|
| 528 | Kat Trax | (253) 255-6799 | (253) 858-4779 |
Active
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| 556 | Kitsap Septic Design & Monitoring Inc. | (360) 479.3348 | |
Active
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| 125 | Kitsap Septic Pumping | (360) 871-5258 | |
Active
|
| 7225 | Lone Mountain Construction LLC | (206) 498-9277 | |
Active
|
| 644 | Lujack Construction LLC | (360) 710-5986 | |
Active
|
| 603 | Nathan Cleaver Septic Design | (360) 598-6546 | (360) 598-6548 |
Active
|
| 140 | Neil Triebenbach Services | (360) 670-8119 | |
Active
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| 6987 | Nor'West Dirtworks and Excavating | (360) 649-4726 | |
Active
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| 738 | Oien Construction Inc. | (360) 340-1981 | |
Active
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| 159 | Pacific Specialty Contracting Inc. | (253) 851-5443 | |
Active
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| 160 | Pacific Tractor & Excavating LLC | (253) 279-5344 | |
Active
|
| 6266 | Pat Hall Construction, Inc. | (360) 443-2523 | |
Active
|
| 7068 | Phoenix Development | (360) 509-9281 | |
Active
|
| 7134 | Precision Septic & Excavation LLC | (360) 850-8091 | |
Active
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| 7141 | Prigger LLC | (360) 271-1499 | |
Active
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| 6959 | Quality Septic & Excavation | (360) 265-9062 | |
Active
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| 103 | Ron Hemley Septic Installations | (360) 876-6104 | (253) 857-3241 |
Active
|
| 537 | SAW Enterprises | (360) 731-3832 | |
Active
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| 533 | Shumaker Construction | (360) 509-1222 | |
Active
|
| 6798 | Skinner Excavation Inc. | (360) 710-3538 | |
Active
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| 6503 | Solid Ground Sitework LLC | (360) 865-4450 | |
Active
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| 755 | South Fork Enterprises | (360) 271-7112 | |
Active
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| 662 | South Shore Construction | (360) 275-0818 | |
Active
|
| 6797 | TC Septic Inc. | (360) 689-9958 | |
Active
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| 6891 | TD Excavation | (360) 271-0784 | |
Active
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| 563 | Timberline Excavating | (360) 340-1582 | |
Active
|
| 756 | Trinity Excavating LLC | (360) 509-9805 | |
Active
|
| 6713 | VET Industrial | (360) 340-3845 | |
Active
|
| 530 | Whitworth Excavating Inc | (360) 638-2300 | |
Active
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