| Business | Phone |
| Professional & Health Care Div 190 Lawrence Bell Dr, Williamsville 14221 | (716) 631-8777 |
| America's Family Benefit Plans 35 George Karl Blvd, Williamsville 14221 | (716) 631-2210 |
| United Food & Commercial Wrkrs 150 Lawrence Bell Dr, Williamsville 14221 | (716) 631-8777 |