Private company
Nik-O-Lok Company
Logo: nikolok.com3
Manufacturer of pay toilet locks
The Nik-O-Lok Company is an American company founded in 1910 with headquarters in Indianapolis, Indiana, that manufactures and leases coin-operated door locks for pay toilets in public bathrooms, along with selling related equipment. The company produces locks that can be operated by manufacturer-supplied tokens or by quarters.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- HeadquartersIndianapolis1
- Websitewww.nikolok.com
See how the biggest companies compare on our leaderboards

The Nik-O-Lok Company is an American company founded in 1910 with headquarters in Indianapolis, Indiana, that manufactures and leases coin-operated door locks for pay toilets in public bathrooms, along with selling related equipment. The company produces locks that can be operated by manufacturer-supplied tokens or by quarters.2
Timeline
- 1910Founded Founded1
Links
- Websitewww.nikolok.com1
- WikipediaNik-O-Lok Company
- WikidataQ7034610
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataNik-O-Lok Company on Wikidata
- 2WikipediaNik-O-Lok Company on Wikipedia
- 3Company websiteNik-O-Lok Company logo
- 4Wikimedia CommonsNik-O-Lok Company photo by Dreamyshade, CC BY-SA 4.0