![]() Inrad Optics Inrad Optics (formerly Photonic Products Group) is a company that develops, manufactures, and markets optical components, assemblies, and systems. | Optex Systems Optex Systems Holdings is a company that manufactures optical sighting systems and assemblies. | ![]() 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. | Esco Optics Esco Optics (also known as Esco Products) is a company that manufactures optical components. | ||
Founding Date | Founding Date 1973 | Founding Date 1978 | Founding Date 1987 | Founding Date 1992 | Founding Date 1955 |
Type | Type Subsidiary | Type Private | Type Public | Type Subsidiary | Type Private |
Tags | |||||
Locations | Locations Northvale, US HQ | Locations Boynton Beach, US HQ | Locations Richardson, US HQ | Locations San Diego, US HQ | Locations Oak Ridge, US HQ |
Employees | Employees 486% decrease | Employees 264% decrease | Employees 1323% increase | Employees 23 | Employees 2310% increase |
Financial | |||||
Revenue (est.) | Revenue (est.) $12.9m (FY, 2023) | Revenue (est.) N/A | Revenue (est.) $41.3m (FY, 2025) | Revenue (est.) N/A | Revenue (est.) N/A |
Cost of goods | Cost of goods $8m (FY, 2023) | Cost of goods N/A | Cost of goods $29.3m (FY, 2025) | Cost of goods N/A | Cost of goods N/A |
Gross profit | Gross profit $4.9m (FY, 2023) | Gross profit N/A | Gross profit $12.1m (FY, 2025) | Gross profit N/A | Gross profit N/A |
Net income | Net income $2.7m (FY, 2023) | Net income N/A | Net income $5.1m (FY, 2025) | Net income N/A | Net income N/A |
Operating ⚠ | |||||
Backlog | Backlog $15.6m (FY, 2023) | Backlog N/A | Backlog $44.2m (Q2, 2024) | Backlog N/A | Backlog N/A |
Capabilities | Capabilities N/A | Capabilities 4 (Feb, 2024) | Capabilities N/A | Capabilities N/A | Capabilities 6 (Feb, 2024) |
Product Categories | Product Categories N/A | Product Categories 10 (Feb, 2024) | Product Categories N/A | Product Categories 2 (Jun, 2024) | Product Categories 6 (Feb, 2024) |
Trademarks (US) | Trademarks (US) N/A | Trademarks (US) N/A | Trademarks (US) N/A | Trademarks (US) 1 (Jun, 2024) | Trademarks (US) 1 (Feb, 2023) |
Types of Materials Used | Types of Materials Used N/A | Types of Materials Used 13 (Feb, 2024) | Types of Materials Used N/A | Types of Materials Used 6 (Jun, 2024) | Types of Materials Used N/A |

Tower Optical is a company that manufactures precision optics.
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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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