| Business | Phone |
| Afscme 4325 Green Rd, Cleveland 44128 | (216) 514-0830 |
| Afscme Local 100 1603 E 27th St, Cleveland 44114 | (216) 781-0408 |
| Amalgamated Transit Union 2428 Saint Clair Ave Ne, Cleveland 44114 | (216) 861-3350 |
| Amalgamated Transit Union 2440 Woodhill Rd, Cleveland 44104 | (216) 231-0086 |
| Amalgamated Transit Union 5400 Grant Ave, Cleveland 44125 | (216) 431-1943 |
| American Assn Of Univ Prfssrs 5415 E Schaaf Rd, Cleveland 44131 | (216) 524-7440 |
| Asbestos Workers 1617 E 30th St, Cleveland 44114 | (216) 621-3522 |
| Auaw 8000 Marble Ave, Cleveland 44105 | (216) 341-4715 |
| Auto Transportation Union 6511 Eastland Rd # 120, Cleveland 44142 | (440) 243-8715 |
| Bakers 1870 E 19th St, Cleveland 44114 | (216) 771-5386 |
| Black Economic Union Of Ohio 10510 Park Ln, Cleveland 44106 | (216) 231-0080 |
| Bricklayers & Masons Union 4205 Chester Ave, Cleveland 44103 | (216) 361-1652 |
| Bricklayers Health & Welfare 4205 Chester Ave, Cleveland 44103 | (216) 361-0153 |
| Bricklayers Local 5 Joint Appr 4205 Chester Ave, Cleveland 44103 | (216) 361-9341 |
| Brotherhood-Locomotive Engrs 1370 Ontario St, Cleveland 44113 | (216) 241-2630 |
| Carpenters Hospitalization Fnd 3611 Chester Ave, Cleveland 44114 | (216) 361-6190 |
| Cement Mason's Apprentice Schl 1414 E 26th St, Cleveland 44114 | (216) 781-3303 |
| Cement Masons Apprentice Office 1417 E 25th St, Cleveland 44114 | (216) 771-3929 |
| Cleveland Association-Rescue 3701 Bosworth Rd, Cleveland 44111 | (216) 671-1990 |
| Cleveland Bakers & Teamsters 1870 E 19th St, Cleveland 44114 | (216) 781-6869 |
| Cleveland Federation-Musicians 2200 Carnegie Ave, Cleveland 44115 | (216) 771-1802 |
| Cleveland Heights Teachers Un 3473 Fairmount Blvd # 1, Cleveland 44118 | (216) 321-0020 |
| Cleveland Postal Workers Union 3829 Carnegie Ave, Cleveland 44115 | (216) 431-1903 |
| Cleveland Promotional Bureau 1651 E 24th St, Cleveland 44114 | (216) 771-5365 |
| Cleveland Teachers Union 1370 W 6th St # 4, Cleveland 44113 | (216) 861-7676 |
| Vending Machine Svc 709 Brookpark Rd, Cleveland 44109 | (216) 485-1520 |
| Communications Workers-America 1400 E Schaaf Rd, Cleveland 44131 | (216) 635-4340 |
| Communications Workers-America 20525 Center Ridge Rd # 700, Cleveland 44116 | (440) 333-6363 |
| Communications Workers-America 2728 Euclid Ave # 300, Cleveland 44115 | (216) 579-4309 |
| Communications Workers-America 812 Huron Rd E # 302, Cleveland 44115 | (216) 621-8187 |
| Uaw 17250 Hummel Rd, Cleveland 44142 | (216) 267-9900 |
| Ufcw-Afl-Cio Local 880 2828 Euclid Ave, Cleveland 44115 | (216) 241-2828 |
| Unite 9700 Brookpark Rd # 220, Cleveland 44129 | (216) 661-0000 |
| United Auto Aerospace 5300 Chevrolet Blvd, Cleveland 44130 | (216) 433-4781 |
| United Auto Workers Of America 2507 Harvard Ave, Cleveland 44105 | (216) 341-7900 |
| United Auto Workers Of America 25100 Euclid Ave, Cleveland 44117 | (216) 261-2260 |
| United Auto Workers Of America 4207 Harvard Ave, Cleveland 44105 | (216) 883-7382 |
| United Auto Workers Of America 4603 W 130th St, Cleveland 44135 | (216) 941-5600 |
| United Auto Workers Of America 5615 Chevrolet Blvd, Cleveland 44130 | (440) 884-7979 |
| United Auto Workers Of America 7800 Northfield Rd, Cleveland 44146 | (440) 232-7190 |
| United Auto Workers Region 5000 Rockside Rd # 300, Cleveland 44131 | (216) 447-6080 |
| United Steel Workers Of Amer 1700 Denison Ave, Cleveland 44109 | (216) 739-0050 |
| United Steelworkers Of America 17535 Rosbough Blvd # 101, Cleveland 44130 | (440) 243-7000 |
| United Steelworkers Of America 20575 Center Ridge Rd # 123, Cleveland 44116 | (440) 331-8800 |
| United Steelworkers Of America 25111 Miles Rd, Cleveland 44128 | (216) 292-5683 |
| United Transportation Union 14600 Detroit Ave # 200, Cleveland 44107 | (216) 228-9400 |
| Uswa 3421 Independence Rd, Cleveland 44105 | (216) 441-3040 |
| Utility Workers Union-America 4205 Chester Ave, Cleveland 44103 | (216) 881-0004 |
| Day Laborers Organizing Cmmtt 12002 Miles Ave # 3, Cleveland 44105 | (216) 429-0757 |
| Teamster Local Bakery Drivers 6511 Eastland Rd, Cleveland 44142 | (440) 243-2927 |
| Teamsters Local Union 2800 Euclid Ave, Cleveland 44115 | (216) 344-9909 |
| Teamsters Local Union 3320 Superior Ave E, Cleveland 44114 | (216) 881-0663 |
| Teamsters Local Union 507 5425 Warner Rd, Cleveland 44125 | (216) 328-0111 |
| Teamsters No 1 Retirees 3701 Bosworth Rd # 207, Cleveland 44111 | (216) 671-7066 |
| Teamsters Union 3236 W 25th St, Cleveland 44109 | (216) 351-8040 |
| Teamsters Union 5505 Valley Belt Rd # D, Cleveland 44131 | (216) 739-9489 |
| Teamsters Union 709 Brookpark Rd, Cleveland 44109 | (216) 485-1522 |
| Teamsters Union Local 52 6511 Eastland Rd # 160, Cleveland 44142 | (440) 243-8459 |
| Teamsters Welfare & Pension 6051 Carey Dr, Cleveland 44125 | (216) 328-0436 |
| Textile Processors Svc 1400 E 30th St # 302, Cleveland 44114 | (216) 621-5164 |
| Tile Layers Local No 36 Ohio 4205 Chester Ave, Cleveland 44103 | (216) 426-8552 |
| District 1199 2570 Superior Ave E # 700, Cleveland 44114 | (216) 566-0117 |
| Stationary Engineers Union 3515 Prospect Ave E # 206, Cleveland 44115 | (216) 432-2668 |
| Elevator Constructors 3250 Euclid Ave # 240, Cleveland 44115 | (216) 431-8088 |
| Firefighters Local 25970 Lake Shore Blvd, Cleveland 44132 | (216) 289-9118 |
| Roofers & Waterproofers Local 1651 E 24th St, Cleveland 44114 | (216) 781-4844 |
| Garfield Heights Firefighters 5115 Turney Rd, Cleveland 44125 | (216) 581-3418 |
| Graphic Communications Union 3227 W 25th St, Cleveland 44109 | (216) 741-5722 |
| Greater Cleveland Pipe Fitting 6305 Halle Dr, Cleveland 44125 | (216) 328-9229 |
| Iamaw Local 1363 2906 Euclid Ave, Cleveland 44115 | (216) 241-4378 |
| Iatse 1468 W 9th St # 200, Cleveland 44113 | (216) 621-9537 |
| Iatse Local 160 2900 Euclid Ave, Cleveland 44115 | (216) 621-7854 |
| Ibew 1590 E 23rd St, Cleveland 44114 | (216) 621-3090 |
| Ibew 3121 W 33rd St, Cleveland 44109 | (216) 651-1377 |
| Ibew 8001 Sweet Valley Dr, Cleveland 44125 | (216) 642-7565 |
| Pipe Fitters Union Local 6305 Halle Dr, Cleveland 44125 | (216) 447-3408 |
| Plumbers Health & Welfare Fund 980 Keynote Cir, Cleveland 44131 | (216) 459-9110 |
| International Association-Mach 2906 Euclid Ave, Cleveland 44115 | (216) 241-0290 |
| International Union-Oper Engrs 3600 Euclid Ave, Cleveland 44115 | (216) 391-4421 |
| Internationl Union-Electrical 25000 Euclid Ave # 201, Cleveland 44117 | (216) 289-1761 |
| Intl Brotherhood-Boilermakers 18500 Lake Rd # 210, Cleveland 44116 | (440) 333-0300 |
| Iron Workers Insurance Benefit 1564 E 23rd St, Cleveland 44114 | (216) 241-1086 |
| Iron Workers Local 17 1544 E 23rd St, Cleveland 44114 | (216) 771-5558 |
| Iron Workers Shopmen's Local 3250 Euclid Ave # 270, Cleveland 44115 | (216) 881-4680 |
| Ironworkers Union Apprentice 1542 E 23rd St, Cleveland 44114 | (216) 685-1781 |
| Iue Cwa 18975 Villaview Rd, Cleveland 44119 | (216) 486-4505 |
| Iue Intl 4413 Payne Ave, Cleveland 44103 | (216) 391-7799 |
| Joint Council 6511 Eastland Rd, Cleveland 44142 | (440) 243-8522 |
| Painters & Allied Trade Dist 8257 Dow Cir, Cleveland 44136 | (440) 239-4575 |
| Painters District Council 2605 Detroit Ave # 302, Cleveland 44113 | (440) 239-4575 |
| Journeymen Plumbers' Union 980 Keynote Cir, Cleveland 44131 | (216) 459-0099 |
| Northeast Ohio Newspaper Guild 1729 Superior Ave E, Cleveland 44114 | (216) 621-6792 |
| Northern Ohio Administrative 16600 W Sprague Rd, Cleveland 44130 | (440) 234-4070 |
| Northern Ohio Fire Fighters 3100 E 45th St # 214, Cleveland 44127 | (216) 531-0509 |
| Office & Professional Employee 5510 Pearl Rd # 207, Cleveland 44129 | (440) 885-2750 |
| Ohio Assn Of Public School 3690 Orange Pl # 550, Cleveland 44122 | (216) 292-7080 |
| Ohio Drive 6511 Eastland Rd, Cleveland 44142 | (440) 243-3189 |
| Ohio Education Assn 6009 Landerhaven Dr # A2, Cleveland 44124 | (440) 442-2922 |
| Laborers Fringe Benefit Fund 3250 Euclid Ave # 150, Cleveland 44115 | (216) 431-2130 |
| Laborers International Union 3250 Euclid Ave # 100, Cleveland 44115 | (216) 881-5901 |
| Laborers International Union 4220 Prospect Ave, Cleveland 44103 | (216) 432-1022 |
| Natural Gas Workers Union 7777 Exchange Rd, Cleveland 44125 | (216) 328-0154 |
| Natural Gas Workers Union 815 Superior Ave E # 1115, Cleveland 44114 | (216) 861-7283 |
| Local 47 1735 E 23rd St, Cleveland 44114 | (216) 621-0995 |
| Local Afscme-Sunny Acres 4310 Richmond Rd, Cleveland 44122 | (216) 464-2303 |
| Nationa Law Enforcement 3216 Payne Ave, Cleveland 44114 | (216) 696-1310 |
| National Assn-Letter Carriers 2012 W 25th St # 705, Cleveland 44113 | (216) 241-4035 |
| National Assoc-Broadcast Emply 1400 E Schaaf Rd, Cleveland 44131 | (216) 351-2242 |
| National Conference Of Fireman 1700 Denison Ave, Cleveland 44109 | (216) 741-6050 |
| Millwright Pile Drive 3615 Chester Ave, Cleveland 44114 | (216) 391-2834 |