| Business | Phone |
| Houghton Chemical Corp 30 Amor Ave, Carlstadt 7072 | (201) 460-0400 |
| Cognis Corp Berry Ave & State Highway 17amp;, Carlstadt 7072 | (201) 531-9395 |
| Marcor Development Corp 341 Michele Pl, Carlstadt 7072 | (201) 935-2111 |
| Aceto Corp 511 13th St, Carlstadt 7072 | (201) 933-2323 |