Glissen Chemical Co Inc

New York's Business to Business category lists 150 entries across the city, and the heaviest concentrations sit in ZIP 10001 and ZIP 10018, each with 10 listings. ZIP 10016 and ZIP 10550 follow with 6 apiece, then 10036 and 11101 with 5, and 10010 and 10017 with 4. If you work or source in one of those denser ZIPs, start your search there before widening out, since that's where you'll find the most options clustered close together. Of the full list, 146 listings include a phone number and 128 include a website link, so most entries give you a direct way to reach out.

None of these listings are marked verified, and this category shows no sponsored entries right now, so everything you see loads in the same unpaid order; if that changes later, paid spots will say Sponsored so you know which ones bought placement. If you run one of these businesses and the phone or website field is missing or wrong, you can claim the listing and correct it yourself, which matters most in a busy ZIP like 10001 where a caller has nine other names to try next.