McDermott Top Shop LLC
Fabricator offering countertop fabrication and installation in Sullivan, Wisconsin
About McDermott Top Shop LLC
A family-owned countertop fabricator in Jefferson, Wisconsin, serving trade and retail customers since 1995. It works with granite, quartz, marble, quartzite, porcelain and solid surface materials, with an in-house, dust-free fabrication facility. Its showroom is open to trade customers by appointment.
Services mentioned
- Custom countertops
- Granite countertops
- Quartz countertops
- Marble countertops
- Quartzite countertops
- Porcelain countertops
- Solid surface countertops
- Wall cladding
- Undermount sink cutouts
- Commercial countertop installation
Opening hours
| Monday | 8am–4:30pm |
| Tuesday | 8am–4:30pm |
| Wednesday | 8am–4:30pm |
| Thursday | 8am–4:30pm |
| Friday | 8am–4:30pm |
| Saturday | Closed |
| Sunday | Closed |
By appointment only.
Details last checked November 2026. Confirm details directly with the business.
- Address
- 420 Generac Way, Sullivan, WI 53549
- Website
- mcdermotttopshop.com
Before you book
- Ask whether they fabricate in-house or send the work out, and whether you can pick your exact slab.
- Get the installed price per square foot in writing, including edges, cutouts, sink mounting, removal of the old tops and sealing.
- Ask about lead time from template to install, and what the warranty covers.
Location
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