![]() Mindrum Precision Mindrum Precision is a company specializing in the precision machining and polishing of components in engineered materials. | ![]() Rayotek Scientific Rayotek Scientific is a company that specializes in the design, engineering, and manufacture of products made from sapphire, glass, fused quartz, and fused silica. | ![]() MPC Precision Metals MPC Precision Metals (also known as PMI/MPC, formerly Elmco Tool) is a company that provides precision manufacturing solutions. | ||
Founding Date | Founding Date 1956 | Founding Date 1974 | Founding Date 1992 | Founding Date 1977 |
Type | Type Private | Type Private | Type Subsidiary | Type Subsidiary |
Tags | ||||
Locations | Locations Rancho Cucamonga, US HQ | Locations Rochester, US HQ | Locations San Diego, US HQ | Locations Cranston, US HQ |
Employees | Employees 327% increase | Employees 625% decrease | Employees 23 | Employees 4 |
Operating ⚠ | ||||
Certifications | Certifications 1 (May, 2024) | Certifications N/A | Certifications 1 (Jun, 2024) | Certifications N/A |
Services Provided | Services Provided N/A | Services Provided 3 (Apr, 2022) | Services Provided 7 (Jun, 2024) | Services Provided N/A |
Types of Materials Used | Types of Materials Used 3 (May, 2024) | Types of Materials Used 6 (Apr, 2022) | Types of Materials Used 6 (Jun, 2024) | Types of Materials Used N/A |

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Rayotek Scientific is a company that specializes in the design, engineering, and manufacture of products made from sapphire, glass, fused quartz, and fused silica.
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MPC Precision Metals (also known as PMI/MPC, formerly Elmco Tool) is a company that provides precision manufacturing solutions.
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