| Business | Phone |
| Lift Station 80 Point Dr W, Dunkirk 14048 | (716) 366-6369 |
| Dunkirk City Building Inspctr 342 Central Ave, Dunkirk 14048 | (716) 366-9858 |
| Dunkirk City Development Dept 342 Central Ave, Dunkirk 14048 | (716) 366-9879 |
| Dunkirk City Engineer 342 Central Ave, Dunkirk 14048 | (716) 366-9832 |
| Dunkirk City Fiscal Affairs 342 Central Ave, Dunkirk 14048 | (716) 366-9874 |
| Dunkirk City Personnel Dept 342 Central Ave, Dunkirk 14048 | (716) 366-9871 |
| Dunkirk Highway Superintendant 4737 Willow Rd, Dunkirk 14048 | (716) 366-3041 |
| Dunkirk Industrial Pre-Treat Wright Park Dr, Dunkirk 14048 | (716) 366-0143 |
| Dunkirk Plumbing Inspector City Hall, Dunkirk 14048 | (716) 366-9837 |
| Dunkirk Sewage Disposal Plant 80 Point Dr W, Dunkirk 14048 | (716) 366-3611 |
| Dunkirk Town Supervisor 4737 Willow Rd, Dunkirk 14048 | (716) 366-3967 |
| Freedonia Waste Water Trtmnt 4700 W Lake Rd, Dunkirk 14048 | (716) 366-0057 |