| Business | Phone |
| Afl-Cio 9551 High Point Rd, Baton Rouge 70810 | (225) 383-5741 |
| Louisiana Public Employees 7315 Exchange Pl, Baton Rouge 70806 | (225) 927-2800 |
| Baton Rouge Assn Of School 5177 Greenwell Springs Rd, Baton Rouge 70806 | (225) 923-3106 |
| Baton Rouge Oil & Chemical Uni 8160 Airline Hwy, Baton Rouge 70815 | (225) 926-9089 |
| Brotherhood Of Maintenance 6960 Celia Dr, Baton Rouge 70811 | (225) 752-3346 |
| Brotherhood Of Maintenance-Way 3121 Plantation Key Dr, Baton Rouge 70816 | (225) 752-3346 |
| Carpenter's 6755 Airline Hwy, Baton Rouge 70805 | (225) 356-2468 |
| Insurance & Pension Program 8875 Greenwell Springs Rd, Baton Rouge 70814 | (225) 927-6068 |
| Cement Masons & Plasterers 1718 Myrtle Walk, Baton Rouge 70802 | (225) 383-7584 |
| Communications Workers-America 2081 Beaumont Dr, Baton Rouge 70806 | (225) 928-1110 |
| Construction & Genl Laborers' 1233 Government St, Baton Rouge 70802 | (225) 383-2464 |
| East Baton Rouge Federation 11823 Market Place Ave, Baton Rouge 70816 | (225) 292-2680 |
| Electrical Apprenticeship 13456 Jefferson Hwy, Baton Rouge 70817 | (225) 752-4861 |
| Ibew 13623 Hooper Rd, Baton Rouge 70818 | (225) 261-0200 |
| Ibew 8181 Tom Dr, Baton Rouge 70815 | (225) 927-6462 |
| Intl Brotherhood-Boilermakers 1948 Beaumont Dr, Baton Rouge 70806 | (225) 927-3710 |
| Iron Workers 6153 Airline Hwy, Baton Rouge 70805 | (225) 357-3262 |
| Louisiana Federation-Teachers 9623 Brookline Ave, Baton Rouge 70809 | (225) 923-1037 |
| Millwright & Machinery Apprent 1975 Wooddale Ct, Baton Rouge 70806 | (225) 926-5133 |
| National Alliance Of Postal 8920 Scotland Ave, Baton Rouge 70807 | (225) 778-0016 |
| National Assn-Letter Carriers 1953 Beaumont Dr, Baton Rouge 70806 | (225) 923-2963 |
| Operating Engineers 7651 Airline Hwy, Baton Rouge 70814 | (225) 924-1311 |
| Operating Engineers Stationary 6150 Hooper Rd, Baton Rouge 70811 | (225) 355-5493 |
| Painters & Allied Trades 1930 Beaumont Dr, Baton Rouge 70806 | (225) 216-0120 |
| Pipeline Construction Workers 2034 Wooddale Blvd, Baton Rouge 70806 | (225) 924-6601 |
| Plumbers & Steamfitters Union 5888 Airline Hwy, Baton Rouge 70805 | (225) 356-3333 |
| Qci 8181 Tom Dr, Baton Rouge 70815 | (225) 925-5914 |
| United Steelworkers Of America 5723 Superior Dr, Baton Rouge 70816 | (225) 291-8226 |
| Roofers 3260 Winbourne Ave, Baton Rouge 70805 | (225) 355-8502 |
| Teamster Local Union 1772 Dallas Dr, Baton Rouge 70806 | (225) 924-3886 |
| Sea Farers Intl Union 103 France St, Baton Rouge 70802 | (225) 387-6865 |
| Sheet Metal Workers Union 2041 Beaumont Dr, Baton Rouge 70806 | (225) 927-4066 |