# Ceradyne, Inc.

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

- Legal business name: Ceradyne, Inc.
- Alternative and DBA names: 3M Technical Ceramics; 3M Technical Ceramics, Inc.; Ceradyne- Delaware, Inc.; Ceradyne Diaphorm; Max Pro-Police & Armor; Semicon Associates
- Entity type: C corporation
- Original incorporation date: April 13, 1987
- Time in business: 39 years and 6 months
- Jurisdiction count: 11

## All known addresses

- 224 5th St N 40, Saint Paul, MN 55144 (listed in Georgia)
- 3169 Red Hill Ave, Costa Mesa, CA 92626 (listed in Kentucky, Massachusetts)

## Registered states

- [Alabama](https://index.baselayer.com/al/89c06bd93de89b89): Foreign registration, as 3M Technical Ceramics, Inc.
- [California](https://index.baselayer.com/ca/f41ed35376afa777): Foreign registration, as 3M Technical Ceramics, Inc.
- [California](https://index.baselayer.com/ca/63b7c5ff894720d3): Foreign registration, as Ceradyne- Delaware, Inc.
- [Delaware](https://index.baselayer.com/de/0bd92e9e9c208eaf)
- [Georgia](https://index.baselayer.com/ga/31be63e06aa60396): Foreign registration, as 3M Technical Ceramics, Inc.
- [Kentucky](https://index.baselayer.com/ky/deec0a4508db0f9e): Foreign registration
- [Kentucky](https://index.baselayer.com/ky/ea833f2e302d8125): Foreign registration
- [Kentucky](https://index.baselayer.com/ky/3457483aeb1a99bb): Foreign registration
- [Massachusetts](https://index.baselayer.com/ma/f7c428099ccf955b): Foreign registration
- [Massachusetts](https://index.baselayer.com/ma/502f4d5481ec9245): Foreign registration
- [New Hampshire](https://index.baselayer.com/nh/a847523a90669af8): Foreign registration, as 3M Technical Ceramics, Inc.
- [Ohio](https://index.baselayer.com/oh/a58394883de4d32a): Foreign registration, as 3M Technical Ceramics, Inc.
- [Tennessee](https://index.baselayer.com/tn/f5ab5ca7fa006afa): Foreign registration, as 3M Technical Ceramics, Inc.
- [Texas](https://index.baselayer.com/tx/5b72d621a335c146): Foreign registration, as 3M Technical Ceramics, Inc.
- [Utah](https://index.baselayer.com/ut/a323f4c9e1edf42f): Foreign registration, as 3M Technical Ceramics, Inc.

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/0bd92e9e9c208eaf)