# A & H Duffy Polishing and Finishing Company

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: A & H Duffy Polishing and Finishing Company
- Alternative and DBA names: MAD Metals, Inc.
- Entity type: C corporation
- Original incorporation date: April 30, 1996
- Time in business: 30 years and 5 months
- Jurisdiction count: 1

## All known addresses

- 90 Glen Rd, Cranston, RI 02920 (listed in Rhode Island)

## Registered states

- [Rhode Island](https://index.baselayer.com/ri/ce12966b7b92bbfb): Domestic registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/ce12966b7b92bbfb)