| Seattle Cider Company LLC WA | Manufacturing | 0 | — | D |
| Seattle Convention Center WA | Administrative & Waste Services | 0 | — | F |
| Seattle Drug & Narcotic Center Inc. WA | Administrative & Waste Services | 0 | — | F |
| Seattle Final Mile WA | Transportation & Warehousing | 0 | — | F |
| Seattle Fish Company LLC CO | Wholesale Trade | 0 | — | F |
| Seattle Food Tech, Inc. WA | Manufacturing | 0 | — | A |
| Seattle Galvanizing Company, Inc. WA | Manufacturing | 0 | — | F |
| Seattle Golf Club WA | Arts & Entertainment | 0 | — | F |
| Seattle Goodwill Industries WA | — | 0 | — | — |
| Seattle Hilton Hotel WA | — | 0 | — | — |
| Seattle Humane WA | Other Services | 0 | — | F |
| Seattle Marriott Redmond WA | Accommodation & Food Services | 0 | — | F |
| Seattle Opera WA | Arts & Entertainment | 0 | — | A |
| Seattle Pacific Homes WA | Construction | 0 | — | F |
| Seattle Pacific University WA | Educational Services | 3 | $84,568 | A |
| Seattle Parks and Recreation WA | Arts & Entertainment | 0 | — | F |
| Seattle Roots Community Health WA | Healthcare & Social Assistance | 1 | $154,440 | — |
| Seattle Safety LLC WA | Manufacturing | 0 | — | A |
| Seattle Shellfish, LLC WA | Agriculture & Forestry | 0 | — | F |
| Seattle Sounders FC WA | Arts & Entertainment | 0 | — | C |
| Seattle Sportservice Inc WA | — | 0 | — | — |
| Seattle Symphony Orchestra WA | Arts & Entertainment | 1 | $117,000 | B |
| Seattle Tacoma Box AZ | Manufacturing | 0 | — | B |
| Seattle Tacoma Box CA | Transportation & Warehousing | 0 | — | C |
| Seattle Tacoma Box Company WA | Manufacturing | 0 | — | C |
| Seattle Tennis Club WA | — | 0 | — | — |
| Seattle Theater Group WA | — | 0 | — | — |
| Seattle Times - North Creek WA | — | 0 | — | — |
| Seattle Tree Care WA | Administrative & Waste Services | 0 | — | F |
| Seattle University WA | Educational Services | 7 | $83,770 | — |
| SeaVenture Resort CA | Accommodation & Food Services | 0 | — | F |
| Seaver Finishing MI | Manufacturing | 0 | — | F |
| Seaver Industrial Finishing MI | Manufacturing | 0 | — | F |
| Seaview Aviation LLC CA | Transportation & Warehousing | 1 | $83,466 | — |
| SeaView Community Services AK | Healthcare & Social Assistance | 0 | — | A |
| Seaview Dolce Hotel NJ | — | 0 | — | — |
| Seaview Investors, Inc. CA | Accommodation & Food Services | 0 | — | F |
| Seaview Manor LLC NY | Healthcare & Social Assistance | 0 | — | F |
| Seaview Orthopaedics & Medical Associates, LLP NJ | Healthcare & Social Assistance | 1 | $101,836 | — |
| Seaview Rehabilitation and Wellness Center CA | Healthcare & Social Assistance | 0 | — | F |
| SeaView Systems, Inc. MI | Professional & Technical Services | 1 | $160,000 | — |
| SEAWARD MARINE CORPORATION VA | Construction | 0 | — | A |
| Seaward Marine LLC FL | Wholesale Trade | 0 | — | A |
| Seaway Bolt & Specials OH | Manufacturing | 0 | — | F |
| Seaway Mechanical Contrators MI | Construction | 0 | — | A |
| Seaway Painting, LLC MI | Construction | 0 | — | A |
| SEAWAY PHARMA INC NY | Manufacturing | 4 | $63,819 | — |
| Seaway Printing WI | Manufacturing | 0 | — | A |
| Seaway Scaffold & Equipment Co., Inc. OH | Construction | 0 | — | A |
| Seaway Timber Harvesting, Inc. NY | Agriculture & Forestry | 0 | — | D |
