Verified Nov 2026
Electronics & Software
·

Oakmont, Pennsylvania
·
Since 1975
Chelsea Building Products, Inc. manufactures extruded PVC and composite profiles for the building materials industry, including components for windows, doors, mouldings, shutters, and flooring, along with Everlast Advanced Composite Siding. Founded in 1975 and headquartered in Oakmont, Pennsylvania, United States, it operates over 50 extrusion lines and falls in the 200-500 employee band with estimated revenue of $10-50M. It is a subsidiary of the aluplast group and serves manufacturers and distributors in North America, primarily for new construction, replacement, and light commercial projects.
Chelsea Building Products, Inc. at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1975
Headquarters
Oakmont, Pennsylvania
Import activity
57
Industries
Automotive
Electric Vehicles
Construction
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
57
Named foreign suppliers
14
Top origins
The Bahamas · Germany · China · Italy

Shared foreign counterparties do not establish that these companies buy from Chelsea Building Products, Inc..
What this tells a buyer
Customs shipment data is not available in the record, and no recent developments are reported, so the company's scale is best characterized by its 1975 founding and its 200-500 employee band.
The company offers custom product design, material development, and finished product manufacturing, and states that all materials are sourced domestically; no certifications are listed in the record.
Chelsea is a subsidiary of the aluplast group, is privately held, and serves manufacturers and distributors across North America in the construction sector.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Chelsea Building Products, Inc. manufactures extruded PVC and composite profiles for the building materials industry, including components for windows, doors, mouldings, shutters, and flooring, along with Everlast Advanced Composite Siding. Founded in 1975 and headquartered in Oakmont, Pennsylvania, United States, it operates over 50 extrusion lines and falls in the 200-500 employee band with estimated revenue of $10-50M. It is a subsidiary of the aluplast group and serves manufacturers and distributors in North America, primarily for new construction, replacement, and light commercial projects.
At a glance
Attribute | Detail |
|---|---|
Founded | 1975 |
Headquarters | Oakmont, Pennsylvania |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
What Chelsea Building Products, Inc. makes
The company offers custom product design, material development, and finished product manufacturing, and states that all materials are sourced domestically; no certifications are listed in the record.
Trade and customs footprint
Customs shipment data is not available in the record, and no recent developments are reported, so the company's scale is best characterized by its 1975 founding and its 200-500 employee band. US customs bill-of-lading records list 57 inbound shipments across 14 foreign suppliers, with top origins including The Bahamas · Germany · China · Italy.
Company details
Chelsea is a subsidiary of the aluplast group, is privately held, and serves manufacturers and distributors across North America in the construction sector. Chelsea Building Products, Inc. was founded in 1975, has an estimated 200-500 employees, and is headquartered in Oakmont, Pennsylvania.
Frequently asked questions
What does Chelsea Building Products, Inc. make?
Chelsea Building Products, Inc. manufactures extruded PVC and composite profiles for the building materials industry, including components for windows, doors, mouldings, shutters, and flooring, along with Everlast Advanced Composite Siding. Founded in 1975 and headquartered in Oakmont, Pennsylvania, United States, it operates over 50 extrusion lines and falls in the 200-500 employee band with estimated revenue of $10-50M. It is a subsidiary of the aluplast group and serves manufacturers and distributors in North America, primarily for new construction, replacement, and light commercial projects.
Where is Chelsea Building Products, Inc. headquartered?
Chelsea Building Products, Inc. is headquartered in Oakmont, Pennsylvania (565 Cedar Way, Oakmont, Pennsylvania, 15139).
When was Chelsea Building Products, Inc. founded?
Chelsea Building Products, Inc. was founded in 1975.
How big is Chelsea Building Products, Inc.?
Chelsea Building Products, Inc. has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
Does Chelsea Building Products, Inc. import from overseas suppliers?
US customs bill-of-lading records show 57 inbound shipments for Chelsea Building Products, Inc., with top origins including The Bahamas · Germany · China · Italy.
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Last verified Nov 2026. Is this your company? Request a correction.
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