| Buffelen Lumber & Manufacturing Co., Eagle Gorge, WA |
780 |
| Butler Lumber Co., Belfast, WA |
674 |
| Button & Sones (Sones & Button), Stevenson, WA |
X544 |
| Cabin Creek & Carefree Railroad HOOT 1, Easton, WA |
804 |
| Cabin Creek Lumber Co. No. 1, Easton, WA |
804 |
| Canal Logging Co., Hoodsport, WA |
417 |
| Carlsborg Mill & Timber Co. No. 2, Carlsborg, WA |
600 |
| Carlsborg Mill & Timber Co. No. 890, Carlsborg, WA |
890 |
| Carlsborg Mill & Timber Co., Carlsborg, WA |
X563 |
| Cascade Lumber Co. No. 1, Easton, WA |
804 |
| Cascade Lumber Co., Easton, WA |
X547 |
| Cascade Timber Co. No. 104, Reliance, WA |
1401 |
| Cascade Timber Co. No. 3, Reliance, WA |
437 |
| Case Shingle & Timber Co., Raymond, WA |
284 |
| Chehalis county Logging & Timber Co., Montesano, WA |
303 |
| Chehalis River Lumber & Shingle Co., Centralia, WA |
670 |
| Cherry Valley Logging Co. No. 2, Carnation, WA |
411 |
| Cherry Valley Logging Co. No. 2, Monroe, WA |
411 |
| Chinn (Brothers) Timber Co. No. 3, Maple Falls, WA |
1479 |
| Chinn (Brothers) Timber Co. No. 4, Maple Falls, WA |
1545 |
| Chinook Lumber Co., Deep River, WA |
X330 |
| Christie Timber Co. No. 1, Wickersham, WA |
1471 |
| Clear Lake Lumber Co. No. 2, Clear Lake, WA |
209 |
| Clear Lake Lumber Co. No. 3, Clear Lake, WA |
371 |
| Clear Lake Lumber Co. No. 4, Clear Lake, WA |
872 |
| Clear Lake Lumber Co. No. 6, Clear Lake, WA |
1063 |
| Clemons Logging Co. No. 3 (2nd), Melbourne, WA |
1555 |
| Clemons Logging Co. No. 3, Melbourne, WA |
1027 |
| Clemons Logging Co. No. 4, Melbourne, WA |
1411 |
| Clemons Logging Co. No. 5, Melbourne, WA |
1602 |
| Clemons, C. H. - Logging Co. No. 1, Melbourne, WA |
443 |
| Clemons, C. H. - Logging Co. No. 3 (1st) VESTA, Melbourne, WA |
1027 |
| Clemons, C. H. - Logging Co. No. 4, Melbourne, WA |
1411 |
| Climax Locomotive Co. (D), Seattle, WA |
1535 |
| Climax Locomotive Co. (D), Seattle, WA |
1537 |
| Climax Locomotive Co. (D), Seattle, WA |
1443 |
| Climax Logging Co., Bay City, WA |
240 |
| Coal Creek Lumber Co. No. 2, Chehalis, WA |
718 |
| Coats, A. F. - Logging Co. No. 1, Aberdeen, WA |
564 |
| Coats, A. F. - Logging Co. No. 2, Aberdeen, WA |
768 |
| Coats-Fordney Logging Co. No. 1, Aberdeen, WA |
564 |
| Coats-Fordney Logging Co. No. 2, Aberdeen, WA |
768 |
| Coats-Fordney Logging Co. No. 3, Aberdeen, WA |
1169 |
| Cole Shingle Co., South Bend, WA |
X333 |
| Cole, James, Winlock, WA |
1033 |
| Copalis Lumber Co. No. 2, Carlisle, WA |
200 |
| Covington Creek Lumber Co., Kent, WA |
504 |
| Creech Brothers Lumber Co. No. 1, Wheaton Spur, WA |
936 |
| Crown Willamette Paper Co. No. 3, Cathlamet, WA |
1493 |
| Crown Willamette Paper Co. No. 4, Cathlamet, WA |
1631 |
