| Dist #. | Local # | Name | No. of Mem. | Charter date |
| 15 | 125 | Association des Pompiers de Montréal Inc, QC | 2352 | 10/11/2017 |
| 11 | 1207 | Vernon Prof. Fire Fighters Assoc., TX | 15 | 4/3/2017 |
| 10 | 1249 | Roswell Professional Fire Fighters, NM | 55 | 8/1/2017 |
| 10 | 1434 | Assoc. of San Miguel Fire Fighters, CA | 65 | 12/1/2017 |
| 8 | 1620 | Wayne Professional Fire Fighters, MI | 15 | 1/3/2017 |
| 12 | 1842 | Prof. Fire Fighters of Delray Beach, FL | 162 | 4/1/2018 |
| 10 | 2128 | Professional Fire Fighters of Douglas, AZ | 24 | 8/14/2017 |
| 10 | 2321 | Marysville Fire Fighters, CA | 9 | 8/2/2016 |
| 7 | 2950 | Woodinville Fire Fighters, Local 2950, WA | 63 | 6/1/2018 |
| 7 | 3054 | Kodiak Prof. Fire Fighters Assoc., AK | 10 | 2/1/2017 |
| 12 | 4052 | Henry County Prof. Fire Fighters Assoc., GA | 52 | 8/1/2017 |
| 12 | 4637 | North Mrytle Beach Prof. Fire Fighters, SC | 24 | 6/14/2018 |
| 2 | 5055 | Clive Prof. Fire Fighters, IA | 9 | 1/3/2017 |
| 8 | 5097 | New Lenox Prof. Fire Fighters, IL | 12 | 8/1/2016 |
| 4 | 5102 | Southern Chester County Paramedics, PA | 7 | 8/3/2016 |
| 4 | 5103 | County of Orange Fire and EMS, VA | 19 | 7/12/2016 |
| 11 | 5104 | Jarrell Prof. Fire Fighters Assoc., TX | 6 | 8/1/2016 |
| 8 | 5105 | Concord Professional Fire Fighters, IN | 10 | 8/1/2016 |
| 9 | 5106 | Grand Valley Fire Protection District, CO | 9 | 9/1/2016 |
| 10 | 5107 | Northstar Prof. Fire Fighters Association, CA | 17 | 9/1/2016 |
| 6 | 5108 | County of Grande Prairie Prof. Fire Fighters, AB | 16 | 11/1/2016 |
| 4 | 5109 | Pittston Township Fire Fighters Assoc., PA | 8 | 1/4/2017 |
| 14 | 5110 | Atoka Fire Fighters, TN | 11 | 9/12/2016 |
| 10 | 5111 | Northshore Prof. Fire Fighters, CA | 19 | 9/12/2016 |
| 14 | 5112 | Soddy-Daisy Fire Fighters, TN | 8 | 10/13/2016 |
| 5 | 5113 | Hastings Prof. Fire Fighters, MN | 13 | 10/13/2016 |
| 11 | 5114 | Prof. Fire Fighters of Choctaw, OK | 6 | 12/12/2016 |
| 5 | 5115 | Crook County Fire Fighters Association, OR | 13 | 11/1/2016 |
| 3 | 5116 | Upton Professional Fire Fighters Association, MA | 5 | 11/1/2016 |
| 11 | 5117 | Cibolo Prof. Fire Fighters Assoc., TX | 13 | 12/6/2016 |
| 10 | 5118 | Guam Local IAFF | 23 | 12/1/2016 |
| 8 | 5119 | Saline Prof. Fire Fighters Union, MI | 7 | 1/12/2017 |
| 8 | 5120 | Leland Township Prof. Fire Fighters Union, MI | 6 | 2/1/2017 |
| 4 | 5121 | Sussex County Uniformed Fire Fighters Association, DE | 11 | 1/4/2017 |
| 8 | 5123 | B S T & G Prof. Fire Fighters Assoc., OH | 7 | 3/9/2017 |
| 9 | 5124 | South Adams County Fire Fighters, CO | 40 | 3/1/2017 |
| 8 | 5125 | Greencastle Prof. Fire Fighters, IN | 14 | 4/3/2017 |
| 8 | 5126 | Athens County EMS, OH | 25 | 1/4/2018 |
| 3 | 5127 | West Haven 911 Dispatchers, CT | 15 | 4/3/2017 |
| 11 | 5128 | Manchaca Fire Fighters Association, TX | 4 | 5/1/2017 |
| 8 | 5129 | Broadview Professional Fire Fighters Union, IL | 19 | 11/14/2017 |
| 10 | 5130 | Albany Fire Figthers Assoc., CA | 18 | 5/2/2017 |
| 1 | 5131 | Saranac Lake Professional Fire Fighters, NY | 4 | 6/1/2017 |
| 7 | 5133 | Whidbey Island Paramedics, WA | 41 | 9/1/2017 |
| 7 | 5134 | Cascade EMS IAFF Local 5134, WA | 9 | 12/15/2017 |