Specialty Glass Products

What Specialty Glass Products does

Specialty Glass Products (SGP) is a privately held custom precision glass manufacturer founded in 1961 and headquartered in Willow Grove, Pennsylvania. The company fabricates and CNC machines components from glass, quartz, sapphire, and other hard materials for customers requiring micron-level tolerances across industries including biomedical, optical/photonics, aerospace & defense, semiconductor, fiber optics/communications, and laboratory instruments. Its product portfolio spans glass flats, optical components, wafers and substrates, cuvettes and flow cells, rods, tubing, strengthened glass, precision capillary tubes, and light pipes/guides/funnels.

SGP operates an ISO 9001:2015 certified quality management system and holds testing compliance to Mil-spec, ASTM, SEMI, and DIN standards. Manufacturing capabilities include 13 fabrication processes: CNC glass machining, laser cutting/drilling/milling (to 2 microns), precision hot working, centerless grinding and polishing (to ±.0001 inches), redrawn tubing and rod (with bore accuracy to .00001), chemical strengthening, heat tempering, dip/sputter/vacuum coating, miniature lathe turning, CNC dicing, and precision multi-forming. Starting materials are sourced from tier-1 suppliers including Corning, SCHOTT, GE, and NSG. Named customer relationships include Mindray for medical diagnostic cuvettes, alongside enterprise customers in semiconductor processing, aerospace optics, and fiber optics.

The business model is custom order-based with quote-driven pricing via an online Request for Quote system, direct phone/email sales, and a dedicated Sales Engineer. SGP serves customers from prototype through production volumes across a global customer base, with no disclosed funding, parent company, or subsidiaries. Pricing is determined per project based on material, dimensional specifications, tolerances, surface finish, and quantity.

Name

Specialty Glass Products

Legal name

Specialty Glass Products

Website

https://sgpinc.com

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

11–50 employees

Short description

Specialty Glass Products is a custom precision glass and quartz fabricator serving biomedical, optical, aerospace, semiconductor, and fiber optics customers since 1961. It provides CNC machining, laser processing, hot working, grinding, polishing, and coating services for components requiring micron-level tolerances.

Ownership category

akta.pro rank

Product category

Precision Glass Manufacturing

NAICS

Glass Product Manufacturing Made of Purchased Glass (327215), Glass and Glass Product Manufacturing (32721)

SIC

Glass Products, Made Of Purchased Glass (3231), Optical Instruments & Lenses (3827)

akta.pro primary industry

Glass Fabrication & Processing Services (Cutting/Edging/Drilling/Polishing) (IMADAHAI)

Keywords

• Precision glass fabrication
• CNC glass machining
• Quartz component manufacturing
• Custom glass components
• Optical glass products

Headquarters

HQ city

Willow Grove

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Custom Glass Fabrication: Specialty Glass Products generates revenue through custom manufacturing and fabrication of precision glass components. They produce made-to-order parts for customers across various industries, handling orders from single prototypes to high-volume production runs. Pricing is quote-based, with quantity pricing available from engineering prototypes through production volumes.
2. Standard Product Catalog: The company maintains a broad inventory of standard-size glass products including flats, rods, tubing, wafers, and optical components ready for faster delivery. Standard lists are available for tubing and rod products in various materials.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Specialty Glass Products is a custom manufacturer of precision components made from glass, quartz, sapphire, and other hard materials. Since 1961, the company has provided fabrication, CNC machining, laser processing, hot working, grinding, polishing, and coating services for industries requiring tight tolerances and complex geometries, producing both made-to-order prototypes and high-volume production runs.

Product overview

Specialty Glass Products (SGP) is a custom precision glass manufacturer offering a comprehensive portfolio of fabricated glass products and manufacturing capabilities. The product line includes Glass Flats (square, rectangle, round), Optical Components (lenses, prisms, light pipes), Wafers & Substrates, Cuvettes & Flow Cells, Glass Rods, Glass Tubing (round, rectangular, square, multibore), Strengthened Glass, Precision Capillary Tubes, and Light Pipes/Light Guides/Light Funnels. These products are supported by an extensive set of fabrication capabilities including CNC Glass Machining, Precision Hot Working, Grinding & Polishing, Miniature Lathe Turning & Drilling, CNC Dicing & Grinding, Redrawn Tubing & Rod, CNC Centerless Grinding & Polishing, Precision Bore Tubing, Chemical Strengthening & Heat Tempering, Coating, Laser Cutting/Drilling/Milling, and Precision Multi-Forming & Molding. The company operates an ISO 9001:2015 compliant quality system and serves industries including Biomedical, Optical, Aerospace, laser manufacturing, semiconductor, fiber optic, and communications.

Differentiator

Problem solved

Functional benefit

Products and services

• Glass Flats
• Optical Components
• Wafers & Substrates
• Cuvettes & Flow Cells
• Glass Rods
• Glass Tubing
• Strengthened Glass
• Precision Glass Capillary Tubes
• Light Pipes, Light Guides, and Light Funnels
• Redrawn Tubing & Rod
• Precision Bore Tubing
• Glass Coating Services

Quantifiable outcome

• Tolerances as close as ±.0001 inches achievable on centerless grinding applications
• +3 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Four partnerships are on record, tiered core.

• CorningcoreTechnology or IntegrationCorning is a key materials supplier for Specialty Glass Products. SGP sources various Corning glass materials including Pyrex 7740, Gorilla Glass, Willow Glass, Eagle XG, Eagle 2000, Vycor, HPFS 7980, and 0211 Microsheet. These materials are used as starting stock for SGP's precision fabrication processes.
• SCHOTTcoreTechnology or IntegrationSCHOTT is a major materials supplier for SGP, providing various glass materials including Borofloat 33, Duran 8330, D 263, AF45, AF32 eco, SUPREMAX 33, B270, optical filter glasses, ROBAX, NEXTREMA, ZERODUR, and N-BK7. SGP fabricates these materials into custom precision components.
• GE (General Electric)coreTechnology or IntegrationGE supplies fused quartz materials (GE 124/214) that SGP uses for precision fabrication of components for demanding applications including semiconductor and high-temperature processes.
• NSG (Nippon Sheet Glass)coreTechnology or IntegrationNSG supplies OZ Quartz, a semiconductor grade of fused quartz, which SGP processes into precision components for various technology-driven industries.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Abrisa Technologies: Custom glass fabrication and coatings company serving display, optical, semiconductor, and industrial markets. Direct competitor to SGP in precision glass component manufacturing with similar CNC machining, strengthening, and coating capabilities.
• Precision Glass & Optics (PG&O): Precision optical glass fabrication and CNC machining house offering custom flat optics, prisms, mirrors, and coated components. Directly comparable to SGP across aerospace, medical, semiconductor, and photonics customer bases.
• Swift Glass Company: Custom manufacturer of fabricated glass parts including cutting, grinding, polishing, strengthening, and chemical tempering. Comparable mid-sized precision glass fabricator serving aerospace, medical, optical, and industrial customers.
• Sydor Optics: Custom precision optics manufacturer producing flat, spherical, and cylindrical glass optics for laser, semiconductor, aerospace, and life sciences applications. Direct overlap with SGP in optical components and precision fabrication.
• Coresix Precision Glass: Custom precision glass manufacturer specializing in substrates, wafers, optical filters, and tight-tolerance components. Similar technology-driven niche in semiconductor and life sciences end markets as SGP.
• Rayotek Scientific: Custom manufacturer of fused silica, quartz, sapphire, and technical glass components for semiconductor, aerospace, defense, and research applications. Direct overlap with SGP in high-purity, precision glass fabrication.

Emerging players

• Harrick Scientific Products: Manufacturer of spectroscopic accessories including precision glass cuvettes and flow cells for analytical and life science applications. Overlaps with SGP's biomedical cuvette and flow cell product line.
• Hellma Materials: Specialist in precision optical and technical glass components including cuvettes, flow cells, and substrates. Comparable niche precision manufacturer with overlap in analytical and life science applications.

Broad incumbents

• Corning Incorporated: Global glass and ceramics conglomerate supplying the raw materials SGP fabricates (Pyrex, Gorilla, Willow, Eagle, HPFS). A massive incumbent whose specialty materials division competes with smaller fabricators in select end markets.
• SCHOTT AG: International specialty glass manufacturer and key material supplier to SGP (Borofloat, ZERODUR, N-BK7). Parent of Abrisa Technologies, operating at massive scale with a specialty glass division that overlaps some of SGP's applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Specialty Glass Products