Jails
9223--Correctional Institutions

Janitor Services
7349--Janitorial Services on a Contract or Fee Basis

Jewelers, Wholesale
5094--Jewelry

Jewelers, Retail
5632--Jewelry Stores--Costume
5944--Jewelry Stores--Except Costume

Jewelry Manufacturing
3911--Jewelry, Precious Metal
3914--Silverware and Plated Ware
3915--Jewelers' Material and Lapidary Work

Junior Colleges
8222--Junior Colleges

Junk Dealers
5932--Secondhand Stores--Clothes, Furniture, Books and Shoes