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Trimline Custom Windows

Trimline is a window manufacturer providing custom windows.

Wholesale Building Materials
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Headquarters
Ivyland, Pennsylvania, United StatesSource: RevenueBaseRetrieved October 13, 2026
Employee range
51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded
1966Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
5 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Trimline Custom Windows do?

Its products include double-hung, casement, bow, bay, awning, and picture windows, plus sash replacement kits. Custom colors are available for all-wood or aluminum-clad exteriors, with oak, cherry, or mahogany interior hardwoods.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Trimline supplies windows for replacement, remodeling, new construction, and historically certified rehabilitation projects.

What the business offers

Services & capabilities.

Window trim accessories

Trim offerings include custom extruded panning systems and other trim accessories.

Source: LinkedIn company description · Retrieved October 13, 2026

Divided-lite profiles

Custom capabilities include simulated divided-light and authentic true-divided-lite profiles, as well as replication of mullion details.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWTrimline Custom Windows listed #8 on Historic window restoration, September 19, 2026Open the published source list.
Trimline Custom Windows

#8 Historic window restoration

Snapshot: September 19, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 18, 2026, September 19, 2026 and September 29, 2026. How the company lists are built.

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