ProGlass
ProGlass is a Shelton, Washington fiberglass manufacturing facility, operated by Jensen Infrastructure, that produces FRP utility products — trench covers, transformer pads, cable pedestals, and related hardware — for electrical and telecom utilities across the western United States.
- Company typePrivate
- Founded1990
- HeadquartersShelton, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What ProGlass does
ProGlass is a fiberglass manufacturing facility located in Shelton, Washington and operated by Jensen Infrastructure (also known as Jensen Precast), a privately held parent company. The facility produces fiber-reinforced polymer (FRP) utility products, with a core catalog that includes trench covers, transformer pads, cable pedestals, fiberglass ground sleeves, hillside barriers, and looping pedestals. These products are engineered for use in electrical substations, underground distribution networks, and pad-mounted transformer installations, and the facility also takes on custom-fabrication work, exemplified by a published case study of trench covers supplied to the Coolidge Substation project.
The business sells directly to utility customers on a quote-based, one-time hardware-purchase model. Named buyers include Avista, Dominion Energy, Idaho Power, Inland Power, PacifiCorp, San Diego Gas & Electric, and Southern California Edison — a roster of investor-owned and cooperative utilities that demonstrates geographic reach across the western United States despite a single-facility footprint in the Pacific Northwest. The 2025 product catalog is publicly available and the company maintains an active careers page, indicating ongoing operations and recruiting.
Strategically, ProGlass functions as a specialized FRP product line within the broader Jensen Infrastructure portfolio rather than as an independent technology company. There is no indication of proprietary software, recurring revenue contracts, or AI/ML capability — the competitive positioning rests on FRP manufacturing know-how, utility-spec qualifications, and the ability to deliver custom-engineered runs to utility-grade specifications.
ProGlass firmographics
Firmographics- Name
- ProGlass
- Legal name
- ProGlass
- Website
- https://proglassinc.com
- Company type
- Private
- Founded year
- 1990
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- ProGlass is a Shelton, Washington fiberglass manufacturing facility, operated by Jensen Infrastructure, that produces FRP utility products — trench covers, transformer pads, cable pedestals, and related hardware — for electrical and telecom utilities across the western United States.
- Ownership category
- akta.pro rank
ProGlass industry classification
Industry- Product category
- Electrical Infrastructure Components
- NAICS
- Glass and Glass Product Manufacturing (32721)
- akta.pro primary industry
- FRP/GRP & Composite Materials (Resins, Fibers, Core Materials) (IMAJAKAC)
Keywords
Where ProGlass is headquartered
LocationHeadquarters
- HQ city
- Shelton
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
ProGlass business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Fiberglass Utility Products Sales: One-time hardware sales of fiberglass utility products including trench covers, transformer pads, cable pedestals, and enclosure products. Products are manufactured to meet specific application requirements and sold directly to utility companies for infrastructure projects.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
ProGlass product offering
Product offeringCore offering
ProGlass manufactures fiberglass (FRP) utility products for dry utility and electrical infrastructure applications from its facility in Shelton, Washington. The product line includes fiberglass trench covers, transformer pads, cable pedestals, and ground sleeves designed to be non-conductive, corrosion-resistant, and lightweight. Products are sold to electrical utilities, telecom providers, and municipal infrastructure projects primarily in the Pacific Northwest region.
Product overview
ProGlass, now part of Jensen Infrastructure, is a manufacturer of fiberglass (FRP - Fiber Reinforced Polymer) utility products. The product portfolio centers on non-conductive fiberglass solutions for dry utility and electrical infrastructure applications, including Fiberglass Trench Covers for protecting utility corridors and vault access points, Fiberglass Transformer Pads for supporting pad-mounted electrical equipment, Cable Pedestals for dry utility systems, and Fiberglass Ground Sleeves for enclosure applications. These products are designed for electrical, telecom, and municipal infrastructure projects where electrical insulation, corrosion resistance, reduced weight, and structural performance are required.
Differentiator
Problem solved
Functional benefit
Products and services
- Fiberglass Trench Covers Engineered fiberglass covers used to protect utility corridors, vault access points, and substation environments where access to underground infrastructure is required. Manufactured to meet application-specific load requirements with traffic-rated capability, slip-resistant surfaces, and corrosion resistance. Sold to electrical utilities, telecom providers, and municipal infrastructure projects.
- Fiberglass Transformer Pads Structural support pads for pad-mounted electrical equipment including single-phase and three-phase transformers. Non-conductive and corrosion-resistant, providing electrical separation between equipment and surrounding conditions. Sold as an alternative to concrete where reduced weight, electrical insulation, or site-specific conditions influence material selection.
- Cable Pedestals Fiberglass utility components used in dry utility systems for cable management, junction applications, and telecommunications installations. Provides durable, non-conductive housing for cable and junction infrastructure.
- Fiberglass Ground Sleeves Fiberglass enclosure products used in utility installations, providing durable housing for underground infrastructure components including loop pedestals and other dry utility equipment.
Quantifiable outcome
- Custom fiberglass trench covers engineered to meet application-specific load requirements with traffic-rated capability
- +1 more outcomes
Companies that use ProGlass
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles2 records
ProGlass technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
ProGlass partnerships and signals
Strategic signalScale indicators1 record
Recent moves4 records
Expansion highlights3 records
ProGlass competitors and assessment
Company assessmentRegional players
- Concast: Manufacturer of precast and utility infrastructure products serving the upper Midwest. Overlaps with ProGlass in transformer pads and utility enclosures but from a different geographic base.
Direct peers
- Creative Pultrusions: Manufacturer of pultruded fiberglass products serving utility, industrial, and infrastructure markets. Competes with ProGlass in FRP utility structures using the same pultrusion and fabrication technology base.
- Strongwell Corporation: Largest independent U.S. pultruder of FRP structural products with a utility product line that overlaps directly with ProGlass's fiberglass trench covers, transformer pads, and enclosures. Both serve electrical and telecom utility customers with FRP composites.
- Enduro Composites: Specializes in fiberglass reinforced plastic products for utility infrastructure including transformer pads, enclosures, and structural components. Directly comparable product portfolio and customer base to ProGlass.
- Bedford Reinforced Plastics: Manufacturer of FRP structural shapes, grating, and utility-related products. Competes with ProGlass in fiberglass utility structures and uses comparable pultrusion manufacturing technology.
- Armorcast Products Company: Manufactures fiberglass-reinforced enclosures, pads, and underground products specifically for utility infrastructure. Closest direct niche competitor to ProGlass in fiberglass utility enclosures and pads.
Broad incumbents
- Oldcastle Infrastructure: A CRH plc business and one of North America's largest infrastructure product manufacturers. Offers precast utility enclosures, pads, and related products that overlap with ProGlass's utility product portfolio across a national footprint.
- Hubbell Incorporated: Large publicly traded electrical products company whose Quazite brand competes directly with ProGlass in fiberglass utility enclosures and pads. Operates broadly in utility electrical infrastructure rather than specializing in FRP utility structures.
- Quazite (Hubbell brand): Hubbell-owned brand producing fiberglass enclosures, pads, and underground utility structures. A direct product-line competitor to ProGlass but backed by Hubbell's national electrical utility customer base and scale.
Others
- Jensen Precast (parent operations): ProGlass's parent company and a major U.S. precast concrete infrastructure manufacturer. Sells adjacent utility products (concrete enclosures, vaults, pads) to many of the same utilities as ProGlass and shares customer relationships across the corporate account structure.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
ProGlass social profiles
Digital presenceProGlass financial estimates
Financial estimateRevenue estimate
Valuation estimate
ProGlass leadership team
Management profileNumber of profiles
ProGlass funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ProGlass M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ProGlass
What does ProGlass do?
ProGlass manufactures fiberglass (FRP) utility products for dry utility and electrical infrastructure applications from its facility in Shelton, Washington. The product line includes fiberglass trench covers, transformer pads, cable pedestals, and ground sleeves designed to be non-conductive, corrosion-resistant, and lightweight. Products are sold to electrical utilities, telecom providers, and municipal infrastructure projects primarily in the Pacific Northwest region.
Is ProGlass a public or private company?
ProGlass is a private company. It is classified as corporate owned and is currently operating.
When was ProGlass founded?
ProGlass was founded in 1990. It employs 11 to 50 people.
Where is ProGlass based?
ProGlass is headquartered in Shelton, United States, in the North America region.
How does ProGlass make money?
One revenue line is on record: fiberglass Utility Products Sales.
Who are ProGlass's main competitors?
Concast is listed as a regional player. Direct peers are Creative Pultrusions, Strongwell Corporation, Enduro Composites, Bedford Reinforced Plastics and Armorcast Products Company. Broad incumbents are Oldcastle Infrastructure, Hubbell Incorporated and Quazite (Hubbell brand). Jensen Precast (parent operations) is listed as an others.
Does ProGlass have an API?
No public API is recorded for ProGlass.
What industry is ProGlass in?
ProGlass's product category is Electrical Infrastructure Components. Its primary akta.pro industry code is IMAJAKAC, FRP/GRP & Composite Materials (Resins, Fibers, Core Materials). Its NAICS code is 32721.