| Business | Phone |
| Government Administrators Assn 65 Cadillac Sq 2625, Detroit 48226 | (313) 224-5076 |
| Uaw 3000 Conner St, Detroit 48215 | (313) 821-5635 |
| American Postal Workers Union Bldg 515, Detroit 48242 | (734) 941-4411 |
| Afl-Cio 2604 4th St, Detroit 48201 | (313) 965-9450 |
| Association - Pro Constr 2727 2nd Ave, Detroit 48201 | (313) 965-4353 |
| Benesys 3800 Woodward Ave, Detroit 48201 | (313) 832-8049 |
| Carpenter Fringe Benefit Fund 3800 Woodward Ave 1120, Detroit 48201 | (313) 831-8860 |
| Detroit Association Of Ed Ofc 115 W Willis St, Detroit 48201 | (313) 832-1275 |
| Uwua 2604 4th St, Detroit 48201 | (313) 965-0233 |
| Laborers International Union 2727 2nd Ave 323, Detroit 48201 | (313) 964-7481 |
| Mail Handlers Union 4829 Woodward Ave 105, Detroit 48201 | (313) 271-4600 |
| National Mail Handlers Union 4829 Woodward Ave 105, Detroit 48201 | (313) 831-1334 |
| Michigan Regional Council 3800 Woodward Ave 1200, Detroit 48201 | (313) 832-3887 |
| Uaw Local 2727 2nd Ave, Detroit 48201 | (313) 963-7283 |
| Seiu 2604 4th St, Detroit 48201 | (313) 965-1799 |
| Division Twenty-Six Coach 716 Lothrop Rd, Detroit 48202 | (313) 873-5541 |
| Detroit Federation Of Teachers 2875 W Grand Blvd, Detroit 48202 | (313) 875-3500 |
| Robert Homes Teamsters Housing 5100 Brush St, Detroit 48202 | (313) 833-7215 |
| Uaw Cadillac Place 3040 W Grand Blvd, Detroit 48202 | (313) 870-9581 |
| Hotel Employees & Restaurant 300 River Place Dr, Detroit 48207 | (313) 567-9958 |
| Michigan Federation-Teachers 2661 E Jefferson Ave, Detroit 48207 | (313) 393-2200 |
| Uaw-Chrysler National Skill 2211 E Jefferson Ave, Detroit 48207 | (313) 567-3300 |
| Uaw Local 7777 300 River Place Dr, Detroit 48207 | (313) 568-2604 |
| Communications Workers-America 2441 W Grand Blvd, Detroit 48208 | (313) 896-4100 |
| Unite Here Local 24 300 River Place Dr 2700, Detroit 48207 | (313) 259-8480 |
| Uaw 405 Rivard St, Detroit 48207 | (313) 568-4829 |
| Uaw-Gm Ctr-Human Resource 200 Walker St, Detroit 48207 | (313) 324-5000 |
| Laborers Local 2161 W Grand Blvd, Detroit 48208 | (313) 894-2241 |
| Steelworkers 9333 Dearborn St, Detroit 48209 | (313) 843-2367 |
| Uaw 4300 Michigan Ave, Detroit 48210 | (313) 897-8850 |
| Teamsters Rank & File Edctn 7437 Michigan Ave, Detroit 48210 | (313) 842-2615 |
| Coordinated Travel Svc 8721 E Jefferson Ave, Detroit 48214 | (313) 926-8901 |
| Office & Professional Employee 8731 E Jefferson Ave, Detroit 48214 | (313) 822-0059 |
| Uaw 8721 E Jefferson Ave, Detroit 48214 | (313) 331-9736 |
| Uaw Intl Union 8000 E Jefferson Ave, Detroit 48214 | (313) 926-5461 |
| Uaw 8731 E Jefferson Ave, Detroit 48214 | (313) 926-5505 |
| Uaw 8000 E Jefferson Ave, Detroit 48214 | (313) 926-5000 |
| United Automobile Workers-Amer 2600 Conner St, Detroit 48215 | (313) 822-1744 |
| Uaw-Intl Union Local 306 12720 E Warren Ave, Detroit 48215 | (313) 822-5113 |
| American Postal Workers Union 1770 14th St, Detroit 48216 | (313) 961-4834 |
| Roofers 1640 Porter St, Detroit 48216 | (313) 961-6093 |
| Ccsjb Unite 1550 Howard St, Detroit 48216 | (313) 961-3085 |
| Elevator Constructor's Union 1640 Porter St, Detroit 48216 | (313) 961-0717 |
| Detroit Mailers Union-Local 2741 Trumbull St, Detroit 48216 | (313) 961-4667 |
| Detroit Building Trades Cncl 1640 Porter St, Detroit 48216 | (313) 965-5080 |
| National Treasury Employees 2810 W Fort St, Detroit 48216 | (313) 961-5916 |
| Truck Drivers 2741 Trumbull St, Detroit 48216 | (313) 965-8750 |
| Teamsters Union 2741 Trumbull St, Detroit 48216 | (313) 961-0068 |
| National Assn-Letter Carriers 1400 Trumbull St, Detroit 48216 | (313) 962-8296 |
| Teamsters Local Union 2801 Trumbull St, Detroit 48216 | (313) 965-9833 |
| Teamsters State County Workers 2825 Trumbull St, Detroit 48216 | (313) 962-7729 |
| Teamsters Council 2741 Trumbull St, Detroit 48216 | (313) 965-7450 |
| Teamsters Political 2741 Trumbull St, Detroit 48216 | (313) 963-0390 |
| Teamsters Detroit Board-Edctn 2741 Trumbull St, Detroit 48216 | (313) 961-0699 |
| Teamsters Joint 2741 Trumbull St, Detroit 48216 | (313) 961-1730 |
| Community Social Agency Emplys 11000 W Mcnichols Rd B7, Detroit 48221 | (313) 862-0897 |
| Communications Workers-America 11000 W Mcnichols Rd 208, Detroit 48221 | (313) 863-2226 |
| Uaw Union Office 19200 Glendale St, Detroit 48223 | (313) 653-3198 |
| Afcme Employees 600 W Lafayette Blvd, Detroit 48226 | (313) 964-4670 |
| Afsme 20 Civic Center Dr, Detroit 48226 | (313) 967-0305 |
| Afscme Local 2394 600 W Lafayette Blvd, Detroit 48226 | (313) 965-9533 |
| Afscme Michigan Council 600 W Lafayette Blvd, Detroit 48226 | (313) 961-4851 |
| Afscme Public Utility 600 W Lafayette Blvd L106, Detroit 48226 | (313) 965-1601 |
| Afcme Registered Nurses 600 W Lafayette Blvd, Detroit 48226 | (313) 961-7245 |
| Afscme 615 Griswold St 1220, Detroit 48226 | (313) 964-0980 |
| Afsme Logal 2799 600 W Lafayette Blvd, Detroit 48226 | (313) 963-1997 |
| Afscme Local 2920 600 W Lafayette Blvd, Detroit 48226 | (313) 964-0685 |
| Afsme Logal 2435 600 W Lafayette Blvd, Detroit 48226 | (313) 963-0007 |
| Afscme 600 W Lafayette Blvd L123, Detroit 48226 | (313) 961-6874 |
| Afsme 600 W Lafayette Blvd, Detroit 48226 | (313) 963-4220 |
| American Federation-Teachers 1001 W Fort St 319, Detroit 48226 | (313) 964-2570 |
| Afscme Local 457 600 W Lafayette Blvd, Detroit 48226 | (313) 965-6805 |
| Afl-Cio Midwest Detroit 600 W Lafayette Blvd, Detroit 48226 | (313) 967-9845 |
| Communications Workers-America 1249 Washington Blvd, Detroit 48226 | (313) 963-9872 |
| Detroit Firefighters Assn 243 W Congress St 344, Detroit 48226 | (313) 962-7546 |
| Detroit Police Liuetenants 28 W Adams Ave 700, Detroit 48226 | (313) 961-5699 |
| Detroit Typographical Union 1249 Washington Blvd 2012, Detroit 48226 | (313) 963-0109 |
| Gciu Detroit Newspaper 1249 Washington Blvd 3300, Detroit 48226 | (313) 963-4417 |
| Ibew 1358 Abbott St, Detroit 48226 | (313) 963-2130 |
| Local 62 600 W Lafayette Blvd, Detroit 48226 | (313) 967-0235 |
| Michigan Afscme Council 600 W Lafayette Blvd 500, Detroit 48226 | (313) 967-0112 |
| Metropolitan Detroit Afl Cio 600 W Lafayette Blvd 200, Detroit 48226 | (313) 961-0800 |
| P & Aamft 1001 W Fort St, Detroit 48226 | (313) 967-0380 |
| Newspaper Guild Of Detroit 1249 Washington Blvd 3300, Detroit 48226 | (313) 963-4254 |
| Service Employees Intl Local 3 220 Bagley St 830, Detroit 48226 | (313) 742-0186 |
| Service Employees' Intl Union 220 Bagley St, Detroit 48226 | (313) 965-2553 |
| Uaw-Ford National Program 151 W Jefferson Ave, Detroit 48226 | (313) 392-7000 |
| Uaw 48055 Michigan Ave, Detroit 48226 | (313) 967-5796 |
| Wayne County Road Local 101 600 W Lafayette Blvd, Detroit 48226 | (313) 961-5435 |
| Wayne County Local 600 W Lafayette Blvd, Detroit 48226 | (313) 962-0833 |
| Wayne County Sheriff 600 W Lafayette Blvd, Detroit 48226 | (313) 961-2560 |
| National Postal Mail Handlers 1401 W Fort St, Detroit 48233 | (313) 963-2490 |
| Studio Mechanics Local 20017 Van Dyke St, Detroit 48234 | (313) 368-0825 |
| Uaw 8230 E 8 Mile Rd, Detroit 48234 | (313) 893-0300 |
| Uaw 7575 Lynch Rd, Detroit 48234 | (313) 921-9184 |
| American Postal Workers Union 20530 Southfield Fwy, Detroit 48235 | (313) 532-9305 |
| Afscme 14022 Linwood St, Detroit 48238 | (313) 868-7310 |
| Professional Flight Attendant 2620 Worldgateway Pl, Detroit 48242 | (734) 532-8404 |