- Drywell Rings & Cesspool Rings in Portland, OR
- 3000mm Precast Concrete Ring
- Manhole Grade Ring - Pre-Cast Concrete
- Dust Concrete Ring by Konzuk – AIA Store
- Concrete Men's Ring Custom Made Band Revolution Jewelry
- Asymmetrical Circles Adjustable Concrete Ring –
- Precast Fire Ring - Mid State Products
- Concrete Grade Rings — Mitchell Concrete
- Double Circles Concrete Ring BAARA
- Round Concrete Ring by 22 Design Studio – Fifth Floor
- Amazon.com: Men's titanium and concrete ring with fiber inlay. Industrial wedding band. resistant and hypoallergenic.(00801_7N) Handmade Products
- Concrete Rings Wedding Rings - Union KONZUK
- 24", 30", 37" Precast Rings Oldcastle Infrastructure
- Men's Architectural Sika Light Concrete Ring White Gold Denmark
- Concrete Rings Jewelry
- Nantucket Ledgestone 47 in. x 18 in. Round Wood Fire Pit Ring Kit Gray 72011 - Home Depot