| T J Nash | 1903 - | Shelby County |
| T. A. B. Dimwiddy Sawmill | 1869 - 1870
| Red River County |
| T. A. Greer | 1934 - | Panola County |
| T. A. Kilgore | 1896 - | Chambers County |
| T. A. Sullivan | 1947 - | Leon County |
| T. B. Allen & Co. | 1908 - 1920
| Liberty County |
| T. B. Allen & Co. Stave Mill | 1903 - 1908
| Sabine County |
| T. B. Allen Stave Mill | 1909 - 1934
| Jasper County |
| T. B. and N. G. Hansbro | 1941 - | San Jacinto County |
| T. B. Hatley | 1905 - | Harrison County |
| T. B. Payne | 1880 - | Cherokee County |
| T. B. Yeats | 1947 - 1958
| Waller County |
| T. C. Davis | 1913 - 1915
| Panola County |
| T. C. Davis | 1915 - | Panola County |
| T. C. Birdwell | 1905 - | Henderson County |
| T. C. Buckner & Son | 1907 - 1911
| Shelby County |
| T. C. Cooper | 1909 - | Cherokee County |
| T. C. Curling | 1905 - 1912
| Montgomery County |
| T. C. Glover | 1879 - 1880
| Nacogdoches County |
| T. C. McKensie | 1902 - | Shelby County |
| T. C. Mitchell | 1915 - 1925
| Upshur County |
| T. C. Scarborough | 1909 - 1913
| Cherokee County |
| T. D. and J. F. Davis | 1905 - 1920
| Wood County |
| T. D. Little Enterprises, Inc. | 1948 - 1957
| Cherokee County |
| T. E. Buckner | 1907 - | Nacogdoches County |
| T. E. Castle Lumber Company | 1928 - | Harrison County |
| T. E. Jones | 1909 - 1910
| Shelby County |
| T. E. Suggs & Co | 1859 - 1860
| Anderson County |
| T. F. Calhoon, Jr. | 1894 - | Polk County |
| T. F. Patterson, Jr. | 1907 - 1908
| Upshur County |
| T. F. Sims | 1895 - 1904
| Walker County |
| T. Gallaway | 1905 - | Morris County |
| T. H. and G. L. Johnson | 1849 - 1850
| Cherokee County |
| T. H. Beene | 1957 - | Orange County |
| T. H. Day & Son | 1880 - 1894
| Shelby County |
| T. H. Furrh | 1870 - 1885
| Panola County |
| T. H. Leaverton Lumber Company | 1906 - 1928
| Houston County |
| T. H. Phipps | 1906 - | Houston County |
| T. Hardy | 1911 - | Shelby County |
| T. Hunger son (or Ferguson) | 1849 - 1850
| Cherokee County |
| T. J. Arnold | 1884 - | Upshur County |
| T. J. Bedell | 1912 - | Panola County |
| T. J. Foster | 1852 - 1853
| Cass County |
| T. J. Lowe | 1877 - | Upshur County |
| T. J. Lowe | 1884 - | Upshur County |
| T. J. Moss Tie Co. | 1941 - 1951
| San Jacinto County |
| T. J. Oden | 1879 - 1880
| Leon County |
| T. J. Posey | 1905 - 1907
| Anderson County |
| T. J. Roach | 1957 - | Cherokee County |
| T. J. Stokely | 1915 - | Montgomery County |
| T. J. Vick Lumber Company | 1953 - 1958
| Montgomery County |
| T. J. Williams | 1919 - | Montgomery County |
| T. J. Williams | 1905 - | San Jacinto County |
| T. K. Gilbert | 1922 - | Angelina County |
| T. L. Bussey & Co. | 1859 - 1860
| Anderson County |
| T. L. Farrow et al | 1909 - | Cherokee County |
| T. L. Hackney Lumber Company | 1890 - 1906
| Polk County |
| T. L. L. Temple Lumber Company | 1882 - 1892
| Cass County |
| T. L. McCasland | 1905 - 1907
| Camp County |
| T. L. McCaughan | 1905 - | Hardin County |
| T. L. Smith | 1884 - | Cherokee County |
| T. O. Kidd & Co | 1859 - 1860
| Leon County |
| T. O. Sutton & Sons Lumber Company | 1937 - 1962
| Nacogdoches County |
| T. O. Sutton & Sons Lumber Company | 1946 - 1957
| Tyler County |
| T. O. Sutton and Sons Lumber Company | 1925 - 1954
| Tyler County |
| T. R. Richey | 1920 - | Cass County |
| T. R. Ritchey | 1918 - | Cherokee County |
| T. Richardson | 1849 - 1850
| Harris County |
| T. S. Allen | 1880 - | Liberty County |
| T. S. and J. T. Phillips | 1898 - | Cherokee County |
| T. S. Garrison | 1900 - 1909
| Shelby County |
| T. T. Smith | 1925 - 1931
| Shelby County |
| T. T. Turner | 1920 - 1934
| Grimes County |
| T. T. Turner | 1906 - 1908
| Montgomery County |
| T. V. Goodrum | 1892 - | Houston County |
| T. W. (F. W.) Duncan Mill | 1903 - 1906
| Nacogdoches County |
| T. W. Blount | 1879 - 1880
| San Augustine County |
| T. W. Brozetter | 1899 - 1900
| Cherokee County |
| T. W. Burke | 1880 - | Cherokee County |
| T. W. Furrh Saw Mill | 1915 - 1919
| Harrison County |
| T. W. Garner & Co. | 1859 - 1860
| Panola County |
| T. W. Jeans & Son | 1903 - 1907
| Sabine County |
| T. W. Jeans & Son | 1904 - 1909
| Sabine County |
| T. W. Williams Sawmill | 1957 - | Panola County |
| T.O. Sutton and Sons Lumber Company | 1928 - 1934
| Leon County |
| Tackaberry Sawmill | 1881 - | Polk County |
| Tackaberry Sawmill | 1890 - | Polk County |
| Talbert Lumber Co. | 1957 - 1968
| Bowie County |
| Talkington & Turner | 1884 - | Hunt County |
| Talley & Oualline | 1896 - 1897
| Montgomery County |
| Talley & Solley | 1880 - 1900
| Cass County |
| Talltimber Lumber Company | 1916 - | Anderson County |
| Talltimber Lumber Company | 1912 - 1917
| Sabine County |
| Talltimber Lumber Company | 1916 - 1920
| Sabine County |
| Talltimber Lumber Company | 1916 - 1920
| Sabine County |
| Tamplin & Duncan | 1911 - | Shelby County |
| Tarrant & Cook | 1902 - | Cherokee County |
| Tarrant Industries | 1940 - 1996
| Smith County |
| Tarrant Lumber Company | 1987 - | Anderson County |
| Taylor Brothers Lumber Company | 1934 - | Harrison County |
| Taylor Lumber Company | 1905 - 1907
| Harrison County |
| Taylor Randolph | 1869 - 1870
| Walker County |
| Taylor's Mill | 1900 - | Nacogdoches County |
| Ted Whiting | 1959 - | Houston County |
| Telephone Sawmill | 1957 - | Fannin County |
| Temple Industries, Inc. | 1969 - | Panola County |
| Temple Lumber Company | 1905 - 1909
| Sabine County |
| Temple Lumber Company | 1912 - 1937
| Sabine County |
| Temple-Inland Forest Products, Inc. | 1894 - 1996
| Angelina County |
| Temple-Inland Forest Products, Inc. | 1958 - 1968
| Angelina County |
| Temple-Inland Forest Products, Inc. | 1967 - 1996
| Angelina County |
| Temple-Inland Forest Products, Inc. | 1970 - 1996
| Angelina County |
| Temple-Inland Forest Products, Inc. | 1954 - 1996
| Jasper County |
| Temple-Inland Forest Products, Inc. | 1980 - 1996
| Jasper County |
| Temple-Inland Forest Products, Inc. | 1990 - 1996
| Newton County |
| Temple-Inland Forest Products, Inc. | 1967 - 1996
| Orange County |
| Temple-Inland Forest Products, Inc. | 1966 - | Sabine County |
| Temple-Inland Forest Products, Inc. stud mill | 1966 - 1968
| Sabine County |
| Temple-Inland Forest Products, Inc. (Garrison-Norton) | 1906 - 1996
| Sabine County |
| Temple-Inland Forest Products, Inc. (particle-board) | 1964 - | Sabine County |
| Temple-White Company | 1930 - 1960
| Angelina County |
| Templeton & Sons Sawmill | 1869 - 1870
| Titus County |
| Templin & Watson sawmill | 1905 - | Shelby County |
| Tenaha Lumber Company | 1898 - 1928
| Panola County |
| Terrel Hawn Lumber Company | 1928 - | Anderson County |
| Terry Lumber Company | 1915 - 1917
| Orange County |
| Texarkana Lumber & Supply Company | 1949 - 1957
| Bowie County |
| Texarkana Lumber Company | 1901 - 1928
| Bowie County |
| Texas & Louisiana Lumber Company | 1907 - | Harris County |
| Texas & Oklahoma Lumber Company | 1889 - 1893
| Upshur County |
| Texas and Louisiana Lumber Company | 1907 - | Angelina County |
| Texas and Louisiana Lumber Company | 1905 - 1907
| Montgomery County |
| Texas Arm & Pin Company | 1899 - 1914
| Jefferson County |
| Texas Arm and Pin Company | 1901 - 1914
| Newton County |
| Texas Ash Company | 1928 - 1934
| Harris County |
| Texas Basket Company | 1900 - 1996
| Cherokee County |
| Texas Crate and Basket Company | 1920 - 1930
| Cherokee County |
| Texas Fence Company | 1966 - | Red River County |
| Texas Long Leaf Lumber Company | 1902 - 1934
| San Jacinto County |
| Texas Lumber Company | 1947 - | Bowie County |
| Texas Lumber Company | 1903 - 1906
| Montgomery County |
| Texas Lumber Company | 1907 - 1908
| Montgomery County |
| Texas Lumber Company | 1902 - 1903
| Nacogdoches County |
| Texas Lumber Manufacturing Company | 1908 - 1909
| Hardin County |
| Texas Lumber Tie & Timber | 1893 - 1903
| Montgomery County |
| Texas Oak Flooring Company, Inc. | 1956 - 1958
| Cherokee County |
| Texas Pine & Cypress Company | 1957 - | Harris County |
| Texas Seaboard Lumber Company | 1901 - 1905
| Montgomery County |
| Texas Short Leaf Lumber Company | 1906 - 1911
| Angelina County |
| Texas Steam Sawmill Co. | 1841 - | Harris County |
| Texas Tie & Timber Company | 1899 - | OR |
| Texas Tie & Timber Company | 1966 - | Anderson County |
| Texas Tram & Lumber Co logging camp | 1882 - 1894
| Jasper County |
| Texas Tram and Lumber Company | 1877 - 1896
| Jasper County |
| Texas Tram and Lumber cross-tie sawmill | 1896 - 1902
| Jasper County |
| Texla Lumber Company | 1945 - 1977
| Orange County |
| Texoak Flooring Company | 1946 - 1966
| Houston County |
| Thad D. Smith Lumber Mill | 1966 - | Jasper County |
| Thaddeus Sawyer | 1875 - 1878
| Liberty County |
| The Acme Lumber and Manufacturing Company | 1893 - 1894
| Harris County |
| The Burkeville Sawmill | 1909 - | Newton County |
| The Casena Sawmill | 1880 - | Angelina County |
| The Crocker Gum Mill | 1954 - | Cass County |
| The Dorr Lumber Company | 1859 - 1860
| Montgomery County |
| The Eagle Mill at Beaumont | 1873 - 1878
| Jefferson County |
| The Empire Mills | 1853 - 1856
| Orange County |
| The Farm Tubb Sawmill | 1898 - 1905
| Leon County |
| The Hancock Sawmill | 1914 - | Leon County |
| The Harrison Company | 1905 - 1910
| San Augustine County |
| The Honey Lake Sawmill | 1920 - | Anderson County |
| The James Mill | 1852 - 1884
| Wood County |
| The Jumbo Sawmill | 1883 - | Cass County |
| The Mills Brothers | 1906 - 1910
| Shelby County |
| The Rose Bud sawmill | 1880 - 1889
| Upshur County |
| The Sabine Pass sawmill | 1902 - 1910
| Jefferson County |
| The Sabine River Lumber & Logging Co. | 1905 - 1914
| Rusk County |
| Thee Spencer | 1940 - 1957
| Upshur County |
| Theis Brothers Lumber Company | 1928 - | Harris County |
| Theodore Stuwig | 1859 - 1860
| Titus County |
| Thick-N-Thin, Inc. | 1987 - | Liberty County |
| Thms. G. Whitton | 1907 - 1910
| Nacogdoches County |
| Thomas and Blount | 1907 - | San Augustine County |
| Thomas and Fields | 1907 - 1909
| San Augustine County |
| Thomas Beatty | 1845 - 1850
| Jasper County |
| Thomas C. Gillespie | 1872 - 1900
| Wood County |
| Thomas Caswell | 1884 - | Smith County |
| Thomas H. Grebb | 1902 - | Houston County |
| Thomas Hardwood Mill | 1957 - 1966
| Henderson County |
| Thomas Harvey Etheridge | 1855 - | Gregg County |
| Thomas J. Todd | 1869 - 1895
| Shelby County |
| Thomas McDonald | 1846 - | Polk County |
| Thomas P. Jennings | 1928 - 1934
| Red River County |
| Thomas S. McSpadden | 1879 - 1880
| Wood County |
| Thomas Tyra | 1964 - | Cherokee County |
| Thomason & Caldwell | 1909 - | Marion County |
| Thomason & Willingham | 1924 - | Houston County |
| Thompson & Tucker | 1884 - | Trinity County |
| Thompson Allen | 1850 - | Sabine County |
| Thompson Bros. | 1906 - | Walker County |
| Thompson-Ford Lumber Company | 1903 - 1907
| Hardin County |
| Thompson-Ford Lumber Company | 1908 - 1928
| Hardin County |
| Thompson-Tucker Lumber Company | 1882 - 1910
| Trinity County |
| Thornton Lumber Company | 1940 - 1957
| Polk County |
| Tilford- Hunt Lumber Company | 1915 - | Nacogdoches County |
| Tilford-Hunt Lumber Company | 1904 - 1948
| Nacogdoches County |
| Tillotson & Stallings | 1874 - | Cherokee County |
| Timpson Handle Company | 1900 - 1912
| Shelby County |
| Timpson Unknown #1 1900 | 1900 - | Shelby County |
| Timpson Unknown #2 1900 | 1900 - | Shelby County |
| Timpson Unknown #3 1900 | 1900 - | Shelby County |
| Tindall Lumber Company | 1950 - 1990
| San Augustine County |
| Tobias B. Borst | 1870 - 1871
| Marion County |
| Todd Brothers | 1888 - 1894
| Upshur County |
| Toledo Bend Lumber Company, Inc. | 1966 - | Shelby County |
| Tom A. Sanders | 1934 - | Bowie County |
| Tom and Will Jeans | 1900 - 1902
| Angelina County |
| Tom Bobo | 1891 - | Shelby County |
| Tom Chamblee Lumber Company | 1957 - | Cass County |
| Tom Cooper
| 1920 - 1922
| Grimes County |
| Tom Cooper
| 1922 - 1930
| Grimes County |
| Tom Harris and J. L. Allen | 1907 - | Cherokee County |
| Tom J. Jeans and Jackson R. Greenage | 1910 - | San Augustine County |
| Tom L. Hackney | 1880 - | Montgomery County |
| Tom L. Hackney | 1880 - 1890
| Polk County |
| Tom P. Hill | 1923 - | San Jacinto County |
| Tom Pogue | 1916 - 1924
| Wood County |
| Tom R. Denpree | 1910 - | Houston County |
| Tom Scott Lumber Company | 1957 - | Franklin County |
| Tom Wallace | 1907 - 1915
| Nacogdoches County |
| Tom-Lee Lumber Company | 1920 - 1926
| Montgomery County |
| Tomkinson | 1869 - 1870
| Red River County |
| Tomlin-Webber Lumber Company | 1966 - | Harrison County |
| Townsend & Matt | 1907 - | Angelina County |
| Tracy Bland | 1941 - 1966
| Orange County |
| Trammell Lumber Company | 1905 - 1907
| Panola County |
| Trekell and Rounds Lumber Company | 1900 - 1903
| Shelby County |
| Tri County Lumber Company | 1913 - 1918
| Grimes County |
| Trice, Stewart & Co | 1870 - 1874
| Marion County |
| Trinity County Lumber Company | 1882 - 1930
| Trinity County |
| Trinity River Lumber Company | 1905 - | Harris County |
| Trinity River Lumber Company | 1885 - 1906
| Montgomery County |
| Trinity River Lumber Company | 1900 - 1902
| Montgomery County |
| Trinity River Lumber Company | 1907 - | Montgomery County |
| Trinity River Lumber Company (Isaac Conroe) | 1885 - 1906
| Montgomery County |
| Trio Lumber Company | 1900 - | Cherokee County |
| Trotti and Kirby Logging Camp at Klondyke | 1893 - 1906
| Newton County |
| Troupe Box & Lumber Company | 1904 - | Smith County |
| Trout Creek Lumber Company | 1924 - 1961
| Jasper County |
| Troy Carroll | 1943 - 1967
| San Augustine County |
| Troy Carroll | 1952 - | San Augustine County |
| Troy Carroll | 1952 - | San Augustine County |
| Tubbe Saw and Grist Mill | 1877 - 1906
| Nacogdoches County |
| Turner & Co | 1879 - 1880
| Red River County |
| Turner Lumber Company | 1947 - | Montgomery County |
| Turner-Nabors Lumber Company | 1902 - 1910
| Jefferson County |
| Turner-Nabors Lumber Company. | 1899 - 1905
| Nacogdoches County |
| Turpentine Mill | 1908 - 1930
| San Augustine County |
| Twin City Lumber Company | 1904 - 1908
| Bowie County |
| Twin City Shingle & Lumber Company | 1926 - 1957
| Bowie County |
| Tyer Lumber Company | 1957 - 1996
| Shelby County |
| Tyler Box & Lumber Company | 1902 - 1905
| Smith County |
| Tyler Car & Lumber Company | 1887 - 1897
| Smith County |
| Tyler County Land & Lumber Company. Texas Yellow Pine Lumber Company (J.I. Campbell Co) (Warren Land and Lumber Company) | 1882 - 1908
| Tyler County |
| Tyler County Lumber Company | 1882 - 1906
| Tyler County |
| Tyler County Lumber Company | 1957 - | Tyler County |
| Tyler Planing Mill Company | 1907 - | Smith County |
| Tyler Star Lumber Company | 1891 - 1895
| Upshur County |
| Tyler Veneer Manufacturing Company | 1934 - | Newton County |