| Railroad Signalmen General Committee 88 | Union Pacific | Omaha, NE | 1,850 |
| Railroad Signalmen General Committee 12 | Burlington Northern | Nevada, MO | 1,847 |
| Railroad Signalmen General Committee 62 | Amtrak Eastern | Seven Valleys, PA | 935 |
| Railroad Signalmen General Committee 102 | The Long Island General Committee | Babylon, NY | 812 |
| Railroad Signalmen General Committee 60 | United | Front Royal, VA | 717 |
| Railroad Signalmen Local Lodge 56 | Long Island Railroad | Babylon, NY | 673 |
| Railroad Signalmen General Committee 60 | United | Front Royal, VA | 585 |
| Railroad Signalmen General Committee 3690 | Seaboard Coastline Rr | Fernandina Beach, FL | 495 |
| Railroad Signalmen Local Lodge 16 | | Yulee, FL | 449 |
| Railroad Signalmen General Committee 16 | Northeast-chesapeake & Ohio Rr | Middleport, OH | 365 |
| Railroad Signalmen General Committee 78 | Southern Rwy System Lines | Ryland, AL | 340 |
| Railroad Signalmen General Committee 58 | Norfolk & Southern Rr | Fostoria, OH | 286 |
| Railroad Signalmen General Committee 103 | Csxt Northern | Utica, NY | 280 |
| Railroad Signalmen Local Lodge 102 | | Levittown, PA | 273 |
| Railroad Signalmen Local Lodge 72 | | Raymore, MO | 249 |
| Railroad Signalmen Local Lodge 20 | | Knoxville, IL | 248 |
| Railroad Signalmen General Committee 4 | Baltimore & Ohio Rr | Hagerstown, MD | 243 |
| Railroad Signalmen Local Lodge 8 | | Bennington, NE | 232 |
| Railroad Signalmen General Committee 44 | Louisville & Nashville | Hohenwald, TN | 230 |
| Railroad Signalmen General Committee 36 | N/a | Front Royal, VA | 219 |
| Railroad Signalmen Local Lodge 129 | | Miller, MO | 204 |
| Railroad Signalmen Local Lodge 141 | | Mineral Wells, TX | 198 |
| Railroad Signalmen Local Lodge 188 | | Chattaroy, WA | 190 |
| Railroad Signalmen Local Lodge 121 | | Cleburne, TX | 190 |
| Railroad Signalmen Local Lodge 49 | | Forsyth, GA | 180 |
| Railroad Signalmen Local Lodge 103 | Aurora - Galesburg Local | Galesburg, IL | 180 |
| Railroad Signalmen Local Lodge 84 | | River Edge, NJ | 178 |
| Railroad Signalmen Local Lodge 183 | | Worth, IL | 172 |
| Railroad Signalmen Local Lodge 119 | | Lincoln, NE | 166 |
| Railroad Signalmen Local Lodge 5 | | Northford, CT | 161 |
| Railroad Signalmen Local Lodge 120 | | Carver, MA | 160 |
| Railroad Signalmen Local Lodge 33 | | El Dorado, KS | 155 |
| Railroad Signalmen Local Lodge 154 | | Andover, MN | 154 |
| Railroad Signalmen Local Lodge 99 | | Spring, TX | 153 |
| Railroad Signalmen Local Lodge 161 | | Las Cruces, NM | 148 |
| Railroad Signalmen Local Lodge 241 | | Mineola, NY | 147 |
| Railroad Signalmen General Committee 56 | Southern New England | Guilford, CT | 146 |
| Railroad Signalmen Local Lodge 226 | | Wind Lake, WI | 137 |
| Railroad Signalmen Local Lodge 110 | | Blaine, TN | 136 |
| Railroad Signalmen Local Lodge 106 | | Seven Valleys, PA | 132 |
| Railroad Signalmen Local Lodge 87 | | Culbertson, MT | 131 |
| Railroad Signalmen Local Lodge 48 | | Rising Sun, MD | 124 |
| Railroad Signalmen Local Lodge 206 | | Spring, TX | 123 |
| Railroad Signalmen Local Lodge 77 | | Bluefield, WV | 120 |
| Railroad Signalmen Local Lodge 237 | Wheeling & Lake Erie Rr Locomotive | Brewster, OH | 116 |
| Railroad Signalmen Local Lodge 239 | Wisconsin Central | Wisconsin Rapids, WI | 110 |
| Railroad Signalmen Local Lodge 19 | | Apple Valley, CA | 109 |
| Railroad Signalmen Local Lodge 185 | | Pineville, LA | 108 |
| Railroad Signalmen Local Lodge 94 | | Sullivan, OH | 99 |
| Railroad Signalmen Local Lodge 156 | | Barstow, CA | 99 |
| Railroad Signalmen Local Lodge 31 | | Berkeley Springs, WV | 96 |
| Railroad Signalmen General Committee 24 | Soo Line | Mount Prospect, IL | 92 |
| Railroad Signalmen Local Lodge 104 | | Grand Terrace, CA | 91 |
| Railroad Signalmen Local Lodge 228 | | Bradner, OH | 89 |
| Railroad Signalmen Local Lodge 231 | | Front Royal, VA | 86 |
| Railroad Signalmen Local Lodge 130 | | Wonder Lake, IL | 80 |
| Railroad Signalmen Local Lodge 53 | | Downington, PA | 78 |
| Railroad Signalmen Local Lodge 111 | | Harrisville, UT | 77 |
| Railroad Signalmen Local Lodge 18 | | Levittown, PA | 75 |
| Railroad Signalmen Local Lodge 173 | | Fresno, CA | 72 |
| Railroad Signalmen Local Lodge 10 | | Temperance, MI | 70 |
| Railroad Signalmen Local Lodge 55 | | Bearstown, IL | 70 |
| Railroad Signalmen Local Lodge 133 | | Fort Worth, TX | 68 |
| Railroad Signalmen Local Lodge 136 | | Paintsville, KY | 65 |
| Railroad Signalmen Local Lodge 172 | | Kingman, AZ | 64 |
| Railroad Signalmen Local Lodge 60 | | Woodhaven, NY | 62 |
| Railroad Signalmen Local Lodge 116 | | Troy, TX | 61 |
| Railroad Signalmen Local Lodge 14 | | Gaines, MI | 61 |
| Railroad Signalmen Local Lodge 157 | | Cape Girardeau, MO | 59 |
| Railroad Signalmen Local Lodge 123 | | Grand Rapids, Mi, MI | 56 |
| Railroad Signalmen Local Lodge 229 | | Loomis, CA | 53 |
| Railroad Signalmen Local Lodge 234 | Safetran | Louisville, KY | 52 |
| Railroad Signalmen Local Lodge 174 | | Watseka, IL | 51 |
| Railroad Signalmen Local Lodge 62 | | Putnam, CT | 51 |
| Railroad Signalmen Local Lodge 68 | | La Porte, IN | 50 |
| Railroad Signalmen Local Lodge 24 | | North Las Vegas, NV | 49 |
| Railroad Signalmen Local Lodge 28 | | Pleasant Lake, MI | 49 |
| Railroad Signalmen | | Sumrall, MS | 49 |
| Railroad Signalmen Local Lodge 105 | | Mechanicsburg, PA | 49 |
| Railroad Signalmen Local Lodge 43 | | Webster City, IA | 47 |
| Railroad Signalmen Local Lodge 97 | | Front Royal, VA | 46 |
| Railroad Signalmen Local Lodge 92 | Oakland Lodge No. 92 | Stockton, CA | 45 |
| Railroad Signalmen Local Lodge 126 | | Surprise, AZ | 45 |
| Railroad Signalmen Local Lodge 155 | | Post Falls, ID | 43 |
| Railroad Signalmen Local Lodge 2 | | Ambridge, PA | 43 |
| Railroad Signalmen Local Lodge 208 | | Dickson, TN | 42 |
| Railroad Signalmen Local Lodge 153 | P J Lukes | Union City, CA | 42 |
| Railroad Signalmen Local Lodge 108 | | Clinton, IA | 41 |
| Railroad Signalmen Local Lodge 232 | | Winchester, NH | 41 |
| Railroad Signalmen Local Lodge 162 | | Halls, TN | 40 |
| Railroad Signalmen Local Lodge 1 | | Dillsburg, PA | 40 |
| Railroad Signalmen Local Lodge 227 | | Paynesville, MN | 40 |
| Railroad Signalmen Local Lodge 98 | | Omaha, NE | 37 |
| Railroad Signalmen Local Lodge 132 | | St Charles, MO | 35 |
| Railroad Signalmen Local Lodge 3 | | Lowell, IN | 35 |
| Railroad Signalmen Local Lodge 42 | | Camby, IN | 34 |
| Railroad Signalmen Local Lodge 194 | | Oak Forest, IL | 33 |
| Railroad Signalmen Local Lodge 93 | | Auburn, NY | 33 |
| Railroad Signalmen Local Lodge 176 | | East Bernstadt, KY | 33 |
| Railroad Signalmen Local Lodge 65 | | Westminster, MD | 32 |
| Railroad Signalmen Local Lodge 40 | | Latrobe, PA | 31 |
| Railroad Signalmen Local Lodge 80 | | Wynantskill, NY | 31 |
| Railroad Signalmen Local Lodge 52 | | Hilliard, OH | 31 |
| Railroad Signalmen Local Lodge 178 | | Crane Hill, AL | 30 |
| Railroad Signalmen Local Lodge 58 | Victor Local | Hammonton, NJ | 29 |
| Railroad Signalmen Local Lodge 86 | | Manlius, NY | 29 |
| Railroad Signalmen Local Lodge 137 | | Picayune, MS | 29 |
| Railroad Signalmen Local Lodge 225 | | West Seneca, NY | 29 |
| Railroad Signalmen Local Lodge 57 | | Phillipsburg, NJ | 28 |
| Railroad Signalmen Local Lodge 138 | | Dumfries, VA | 28 |
| Railroad Signalmen Local Lodge 109 | | Youngstown, OH | 27 |
| Railroad Signalmen Local Lodge 182 | El Paso Local 182 | Front Royal, VA | 27 |
| Railroad Signalmen Local Lodge 13 | | Shepherdsville, KY | 26 |
| Railroad Signalmen Local Lodge 158 | | Clinton, TN | 26 |
| Railroad Signalmen Local Lodge 216 | | Tiffin, OH | 26 |
| Railroad Signalmen Local Lodge 67 | | Greenbrier, TN | 24 |
| Railroad Signalmen Local Lodge 21 | | Independence, MO | 24 |
| Railroad Signalmen Local Lodge 81 | | Effingham, IL | 23 |
| Railroad Signalmen Local Lodge 143 | Baltimore & Ohio Chicago Terminal R.r. | Darien, IL | 23 |
| Railroad Signalmen Local Lodge 26 | | Wyomissing, PA | 23 |
| Railroad Signalmen Local Lodge 238 | | Levittown, PA | 23 |
| Railroad Signalmen Local Lodge 11 | | Macon, GA | 22 |
| Railroad Signalmen Local Lodge 147 | | Albany, NY | 22 |
| Railroad Signalmen Local Lodge 89 | | Jumping Branch, WV | 21 |
| Railroad Signalmen Local Lodge 179 | | West Wendover, NV | 21 |
| Railroad Signalmen Local Lodge 152 | | Lebanon, OR | 20 |
| Railroad Signalmen Local Lodge 242 | Chicago Fortwayne And Eastern Local | Lima, OH | 20 |
| Railroad Signalmen Local Lodge 35 | | Elyria, OH | 18 |
| Railroad Signalmen Local Lodge 168 | | Okabena, MN | 18 |
| Railroad Signalmen Local Lodge 25 | Brotherhood Of Railroad Signalmen | Mount Carmel, IL | 18 |
| Railroad Signalmen Local Lodge 41 | Jesse Clark | Brazil, IN | 18 |
| Railroad Signalmen Local Lodge 71 | | Hartford, KY | 17 |
| Railroad Signalmen Local Lodge 85 | | Front Royal, VA | 16 |
| Railroad Signalmen Local Lodge 64 | | Lexington, OH | 16 |
| Railroad Signalmen Local Lodge 51 | | Galatia, IL | 16 |
| Railroad Signalmen Local Lodge 91 | | Chalmers, IN | 15 |
| Railroad Signalmen Local Lodge 198 | Towen Send | Bristol, TN | 14 |
| Railroad Signalmen Local Lodge 34 | | Front Royal, VA | 14 |
| Railroad Signalmen Local Lodge 230 | | Highland, NY | 14 |
| Railroad Signalmen Local Lodge 236 | | Front Royal, VA | 14 |
| Railroad Signalmen Local Lodge 148 | | Palmyra, VA | 13 |
| Railroad Signalmen Local Lodge 114 | | Laurel, MD | 13 |
| Railroad Signalmen Local Lodge 215 | | Irvine, KY | 12 |
| Railroad Signalmen Local Lodge 9 | | Elkhorn, WI | 12 |
| Railroad Signalmen Local Lodge 75 | | Oneonta, NY | 12 |
| Railroad Signalmen Local Lodge 191 | | Troy, MO | 11 |
| Railroad Signalmen Local Lodge 29 | | Waterloo, IA | 11 |
| Railroad Signalmen Local Lodge 46 | | Front Royal, VA | 9 |
| Railroad Signalmen Local Lodge 193 | | Pittsburgh, PA | 9 |
| Railroad Signalmen Local Lodge 240 | | Stamford, CT | 9 |
| Railroad Signalmen Local Lodge 213 | | West Springfield, MA | 8 |
| Railroad Signalmen Local Lodge 59 | | Mechanicsburg, PA | 8 |
| Railroad Signalmen Local Lodge 150 | | Carnegie, PA | 8 |
| Railroad Signalmen Local Lodge 134 | | Castanea, PA | 6 |
| Railroad Signalmen Local Lodge 39 | | Warrens, WI | 4 |
| Railroad Signalmen Local Lodge 163 | | Front Royal, VA | 4 |
| Railroad Signalmen Local Lodge 7 | | Mt Prospect, IL | 0 |
| Railroad Signalmen Local Lodge 160 | | Mt Prospect, IL | 0 |
| Railroad Signalmen Local Lodge 76 | | Mt Prospect, IL | 0 |
| Railroad Signalmen Local Lodge 214 | | Mount Prospect, IL | 0 |
| Railroad Signalmen Local Lodge 63 | | Lock Haven, PA | 0 |
| Railroad Signalmen Local Lodge 15 | | Front Royal, VA | 0 |
| Railroad Signalmen Local Lodge 45 | | Anderson, IN | 0 |
| Railroad Signalmen Local Lodge 233 | Arte | So Sf, CA | 0 |
| Railroad Signalmen General Committee 95 | Metro North | Mt Prospect, IL | 0 |
