| Business | Phone |
| American Federation-State Empl 29 N Wacker Dr 800, Chicago 60606 | (312) 641-6099 |
| Carpenter's Union Welfare Fund 12 E Erie St, Chicago 60611 | (312) 787-9456 |
| Retail Whol Employees Union 37 S Ashland Ave, Chicago 60607 | (312) 733-1436 |
| Barber's Union 300 S Ashland Ave 100, Chicago 60607 | (708) 485-3200 |
| Nabet-Cwa 203 N Wabash Ave, Chicago 60601 | (312) 372-4111 |
| Local One 111 E Wacker Dr 2500, Chicago 60601 | (312) 240-1600 |
| National Treasury Employees 111 W Washington St 855, Chicago 60602 | (312) 977-0104 |
| Illinois Education Assn-Nea 105 W Adams St 2800, Chicago 60603 | (312) 407-0227 |
| United Transportation Union 8 S Michigan Ave 2006, Chicago 60603 | (312) 236-5353 |
| United Transportation Union 19 S La Salle St 802, Chicago 60603 | (312) 346-9509 |
| Women's Business Development 8 S Michigan Ave, Chicago 60603 | (312) 853-3477 |
| Womens Bus Dev Ctr 8 S Michigan Ave 400, Chicago 60603 | (312) 853-8084 |
| Great Lakes Masonry Ctr 53 W Jackson Blvd 315, Chicago 60604 | (312) 347-2500 |
| National Postal Mail Handlers 208 S La Salle St 1328, Chicago 60604 | (312) 782-0820 |
| United Auto Workers Of America 28 E Jackson Blvd 1400, Chicago 60604 | (312) 461-0543 |
| Hotel Employees & Restaurant 55 W Van Buren St 420, Chicago 60605 | (312) 663-4373 |
| Construction Labors Local 4 640 S Clark St, Chicago 60605 | (312) 341-1383 |
| Lu 8a 28a Metal Ref & Painters 1130 S Wabash Ave 203, Chicago 60605 | (312) 786-0710 |
| National Assn-Letter Carriers 1411 S Michigan Ave, Chicago 60605 | (312) 922-0773 |
| Waterpipe Labor Union 1550 S Indiana Ave 307, Chicago 60605 | (312) 663-1092 |
| Motion Picture Projectionist 230 W Monroe St 2511, Chicago 60606 | (312) 443-1011 |
| Theatricl Stge Employees Union 20 N Wacker Dr 1032, Chicago 60606 | (312) 236-3457 |
| United Transportation Union 300 W Adams St 814, Chicago 60606 | (312) 795-0906 |
| International Union-Elevator 300 S Ashland Ave, Chicago 60607 | (312) 421-1440 |
| Unite 333 S Ashland Ave, Chicago 60607 | (312) 738-6100 |
| Lumber Employees Welfare Fund 300 S Ashland Ave 500, Chicago 60607 | (312) 421-1416 |
| Painters District Council 1456 W Adams St, Chicago 60607 | (312) 421-0046 |
| Painters Local Union 300 S Ashland Ave 205, Chicago 60607 | (312) 733-7413 |
| Pipe Fitters Assn 45 N Ogden Ave, Chicago 60607 | (312) 829-4191 |
| Plumbers Welfare Fund 1340 W Washington Blvd, Chicago 60607 | (312) 226-4200 |
| Produce Drivers & Florists 300 S Ashland Ave 502, Chicago 60607 | (312) 738-1350 |
| State Municipal Teamsters 300 S Ashland Ave, Chicago 60607 | (312) 666-5772 |
| Teamsters 300 S Ashland Ave 501, Chicago 60607 | (312) 666-2750 |
| United Electrical Radio & Mach 37 S Ashland Ave, Chicago 60607 | (312) 829-8300 |
| Heat & Frost Insulators 3850 S Racine Ave, Chicago 60609 | (773) 247-1007 |
| Illinois District Council 1950 W 43rd St, Chicago 60609 | (773) 650-1894 |
| Sergeants Assn Pb & Pa Unit 1616 W Pershing Rd, Chicago 60609 | (773) 376-7272 |
| Teamsters Local 710 4217 S Halsted St, Chicago 60609 | (773) 254-3200 |
| Seiu Local 73 1165 N Clark St 500, Chicago 60610 | (312) 787-5868 |
| Truck Drivers Hall 1645 W Jackson Blvd 700, Chicago 60612 | (312) 738-2800 |
| Liquor & Allied Workers 1640 W Van Buren St, Chicago 60612 | (312) 243-4300 |
| Teamsters Drive 1634 W Van Buren St, Chicago 60612 | (312) 492-8126 |
| Teamsters Joint Council 1645 W Jackson Blvd 600, Chicago 60612 | (312) 421-2600 |
| Ufcw 1649 W Adams St, Chicago 60612 | (312) 733-2999 |
| International Union-Oper Engrs 447 W 31st St, Chicago 60616 | (312) 326-1430 |
| National Alliance Of Postal 1225 E 79th St, Chicago 60619 | (773) 374-9300 |
| Painters 7736 S Cottage Grove Ave, Chicago 60619 | (773) 874-3594 |
| Mail Handlers Union 9045 S Western Ave, Chicago 60620 | (773) 233-4434 |
| Paper Allied-Industrial Chemic 504 E 115th St, Chicago 60628 | (773) 785-0733 |
| Ibew 8605 W Bryn Mawr Ave 309, Chicago 60631 | (773) 714-1220 |
| Laborers International Union 8750 W Bryn Mawr Ave 440, Chicago 60631 | (773) 693-7990 |
| Motion Picture Studio Mechanic 6309 N Northwest Hwy, Chicago 60631 | (773) 775-5300 |
| United Steelworkers Of America 4570 S Archer Ave, Chicago 60632 | (773) 523-0071 |
| United Auto Workers Of America 2620 E 136th St, Chicago 60633 | (773) 646-1472 |
| Laborers International Union 7107 W Belmont Ave 4, Chicago 60634 | (773) 237-7540 |
| Painters 3015 N Austin Ave, Chicago 60634 | (773) 237-1131 |
| Teamsters Local 727 5940 W Montrose Ave, Chicago 60634 | (773) 685-0340 |
| United Steelworkers Of America 5744 S Western Ave, Chicago 60636 | (773) 476-0882 |
| Jac Of Ceramic Tile Layers 6425 S Central Ave, Chicago 60638 | (773) 884-6503 |
| Local 3911 Of Uswa 5722 W 63rd St, Chicago 60638 | (773) 581-1033 |
| Iupaa 3008 N Laramie Ave, Chicago 60641 | (773) 286-2994 |
| Local Service Employees Intl 3525 W Peterson Ave 508, Chicago 60659 | (773) 604-5244 |
| Ibew 600 W Washington Blvd, Chicago 60661 | (312) 454-1349 |
| International Union-Oper Engrs 763 W Jackson Blvd, Chicago 60661 | (312) 372-9870 |
| National Union Afscme Chicago 60601 | (312) 606-0606 |
| International Longshoremen's 1307 S Michigan Ave, Chicago 60605 | (312) 427-8055 |
| Service Employees Intl Union 650 S Clark St, Chicago 60605 | (312) 939-5275 |
| Afscme Local 1215 29 N Wacker Dr, Chicago 60606 | (312) 641-3632 |
| Afscme Local 654 29 N Wacker Dr, Chicago 60606 | (312) 641-5568 |
| Seiu 309 W Washington St 250, Chicago 60606 | (312) 641-1516 |
| Afscme 37 S Ashland Ave, Chicago 60607 | (312) 829-0258 |
| Ibew 37 S Ashland Ave, Chicago 60607 | (312) 243-6602 |
| Illinois Federation Of Tchrs 310 S Peoria St, Chicago 60607 | (312) 491-1808 |
| Insurance & Retirement Dept 333 S Ashland Ave, Chicago 60607 | (312) 738-6150 |
| Local 37 S Ashland Ave, Chicago 60607 | (312) 226-8191 |
| Organizing Department 333 S Ashland Ave, Chicago 60607 | (312) 738-6159 |
| Unite Here 333 S Ashland Ave, Chicago 60607 | (312) 738-6188 |
| Vending Pension Fund 300 S Ashland Ave, Chicago 60607 | (312) 829-7150 |
| La Chamba 1102 W 18th St, Chicago 60608 | (312) 666-6900 |
| Ibt Local Health & Pension 4217 S Halsted St, Chicago 60609 | (773) 254-2501 |
| Local 1165 N Clark St, Chicago 60610 | (312) 337-7768 |
| Uaw Local 11731 S Avenue O, Chicago 60617 | (773) 646-3805 |
| United Steel Workers-America 11731 S Avenue O, Chicago 60617 | (773) 646-0800 |
| Latino Union Of Chicago 4176 N Elston Ave, Chicago 60618 | (773) 588-2641 |
| Labor International 8927 S Dauphin Ave, Chicago 60619 | (773) 488-0744 |
| United Steel Workers-America 6442 S Sangamon St, Chicago 60621 | (773) 723-3832 |
| Metropolitan Union Of Law Enfr 5221 N Elston Ave, Chicago 60630 | (773) 794-0982 |
| Intl Brotherhood Elec Workers 8605 W Bryn Mawr Ave, Chicago 60631 | (773) 693-0001 |
| Liuna Organizing Committee 8750 W Bryn Mawr Ave, Chicago 60631 | (773) 693-1800 |
| Local 734 6643 N Northwest Hwy, Chicago 60631 | (773) 594-2810 |
| Motion Picture Editors Guild 6309 N Northwest Hwy, Chicago 60631 | (773) 594-6598 |
| Motion Picture Laboratory 6301 N Northwest Hwy, Chicago 60631 | (773) 775-5020 |
| Labor Ready Inc 4421 S Kedzie Ave, Chicago 60632 | (773) 869-9621 |
| Teamsters Local 786 4620 S Tripp Ave, Chicago 60632 | (312) 666-1875 |
| Warehouse Mail Order 4620 S Tripp Ave, Chicago 60632 | (773) 254-7092 |
| Teamsters 6735 W Archer Ave, Chicago 60638 | (773) 788-0738 |
| International Assn-Bridge 6120 W North Ave, Chicago 60639 | (773) 889-1727 |
| Intl Assn Bridge Iron Workers 5902 W Fullerton Ave, Chicago 60639 | (773) 622-1515 |
| San Lucas Workers Ctr 2914 W North Ave, Chicago 60647 | (773) 227-6633 |
| Seniority Syst Of Electrical 600 W Washington Blvd, Chicago 60661 | (312) 466-8301 |