What Thybar Corporation does

Thybar Corporation is a US-based custom sheet metal manufacturer that specializes in roof curbs, curb adapters, and HVAC equipment mounting systems for the commercial HVAC industry. Founded in 1959 and headquartered in Addison, Illinois, the company operates eight production facilities across six states and self-describes as the oldest and largest roof curb manufacturer globally. It serves HVAC contractors, commercial building owners, and mechanical contractors working on rooftop equipment installation, replacement, and retrofit projects.

The core product line centers on custom-fabricated roof curbs (insulated, non-insulated, vibration isolation, seismic/wind-load rated) and curb adapters, including the flagship Retro-Mate family plus extensions such as Multi-zone Retro-Mate, Vibro-Mate, T-Flex replacement air handlers, and TEMS equipment mounting supports. Manufacturing is supported by laser cutting, CAD 3D modeling, an extensive library of HVAC equipment dimensional data, field measurement services, and P.E.-certified seismic and wind-load calculations across all 50 states. Adjacent offerings include air handler and rooftop modification services and a catalog of rooftop accessories (power exhaust, barometric relief, burglar bars, hoods).

Thybar operates a sales-led B2B go-to-market model with a toll-free number (800-666-CURB), quote-based custom pricing, account-based web quoting with a 24-hour Retro-Mate configurator, and a supplementary Amazon.com storefront for stock SKUs. The company is privately held under an Employee Stock Ownership Plan (ESOP), competes on customization, fit accuracy, and turnaround (5-10 day standard lead times with a 3-day Fast Track option on qualifying products), and has no disclosed funding rounds, parent company, or M&A activity.

Name

Thybar Corporation

Legal name

Thybar Corporation

Website

https://thybar.com

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

251–500 employees

Short description

Thybar Corporation is a US-based custom sheet metal manufacturer founded in 1959 that designs and produces roof curbs, curb adapters, and HVAC mounting systems. It operates eight factories serving HVAC contractors, mechanical contractors, and commercial building owners nationwide.

Ownership category

akta.pro rank

Product category

HVAC Roof Curbs and Sheet Metal Fabrication

NAICS

Sheet Metal Work Manufacturing (332322)

SIC

Prefabricated Metal Buildings & Components (3448)

akta.pro primary industry

Flashing, Edge Metal & Roof Accessories (IMADAFAJ)

akta.pro secondary industry

Metal Roofing Systems (IMADAFAB)

Keywords

• Custom roof curbs
• HVAC sheet metal fabrication
• Rooftop unit adapters
• Vibration isolation curbs
• Seismic wind load curbs

Headquarters

HQ city

Addison

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Roof Curb Sales: Manufacture and sale of custom sheet metal roof curbs and curb adapters for HVAC rooftop units. Products include insulated/non-insulated curbs, seismic-rated curbs, vibration isolation curbs, and specialty adapters.
2. Air Handler and Rooftop Modifications: Custom modifications services for air handlers and rooftop equipment including electrical modifications, coil installations, filter modifications, and fan modifications.
3. Amazon Product Sales: Stock items sold through Amazon.com including pipe curbs, step boots, gasketing, EPDM rubber, equipment supports, and other standard products.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Thybar Corporation manufactures custom-fabricated sheet metal roof curbs, curb adapters, and equipment mounting supports for the HVAC industry. Its flagship Retro-Mate product allows new rooftop HVAC units to be mechanically interfaced with existing roof curbs, eliminating costly curb reconstruction. The company also provides air handler and rooftop modifications, vibration isolation curbs, seismic/wind-load rated curbs, and T-Flex custom replacement air handlers.

Product overview

Thybar Corporation is the oldest and largest custom roof curb manufacturer in the world, founded in 1959. The company operates 8 factories across the United States and specializes in custom sheet metal products for the HVAC industry. Their core product portfolio centers on roof curbs and curb adapters, including the flagship Retro-Mate adapter that allows new rooftop units to adapt to existing curbs. The product line includes various roof curb types (insulated, non-insulated, vibration isolation, seismic/wind-load rated), equipment mounting supports (TEMS 1,2,3), and specialty adapters (Filter Adapters, Multi-zone Retro-Mate, Vibro-Mate). Supporting services include air handler modifications, rooftop modifications, and a comprehensive range of rooftop accessories including power exhaust, barometric relief, burglar bars, and hoods. The company also offers T-Flex custom replacement units for challenging air handler replacement applications.

Differentiator

Problem solved

Functional benefit

Brands

• Vibro-Curb III: Vibration isolation roof curb product for HVAC equipment
• Retro-Mate
• TEMS
• T-Flex
• Vibro-Mate

Products and services

• Roof Curbs Custom fabricated roof curbs designed for all types of roof systems and HVAC equipment. Includes insulated and non-insulated variants, vibration isolation curbs, seismic/wind-load rated curbs, and specialty curbs for various applications. Intended for HVAC contractors and commercial building owners.
• Retro-Mate Curb Adapter Custom fabricated roof curb adapter that mechanically interfaces new rooftop HVAC units with existing curbs, eliminating the need to disturb the existing roof, ductwork, or support steel. Designed for HVAC contractors performing rooftop unit replacements on commercial buildings.
• Vibro-Curb III Vibration isolation curb incorporating adjustable spring isolators that deliver minimum 90% isolation efficiency with 1 inch deflection springs. Designed to minimize sound and vibration transmission from HVAC equipment to building structures.
• Seismic/Wind-Load Rated Roof Curbs Roof curbs specifically engineered and rated to withstand severe wind loads and seismic activity, with Licensed Professional Engineer-certified compliance calculations covering all 50 US states.
• TEMS 1, 2, 3 Equipment Mounting Supports Equipment mounting supports designed for placement on roof systems to accommodate HVAC equipment, including adjustable spring isolator options. Sold on Amazon and through direct channels.
• T-Flex Custom Replacement Air Handler Units Custom replacement air handler units for indoor or outdoor installation featuring variable aspect ratio design for limited or tight spaces such as tight hallways or doorways, designed to fit onto original curbs.
• Rooftop Modifications Custom modifications service for rooftop HVAC equipment including electrical modifications, custom motors and fans, starters, VFDs, dual point power, and factory installed options.
• Air Handler Modifications Custom modifications service for air handler units including fan arrays, coil installations, filter modifications, and special damper applications.
• Multi-Zone Retro-Mate Custom fabricated roof curb adapter that converts a single zone constant or variable volume rooftop unit into a multi-zone system while maintaining the roofing integrity and existing ductwork.
• Vibro-Mate Curb adapter with an isolation rail featuring adjustable spring isolators and a flexible duct connector, providing vibration isolation when mounting new equipment on existing curbs.

Quantifiable outcome

• Fast Track option available for 3-day builds on Retro-Mates 25 ton and under
• +2 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Pate Company: Pate Company is a longstanding manufacturer of custom and standard roof curbs, curb adapters, and equipment supports for HVAC rooftop units — the closest direct competitor to Thybar in the same product category and customer base.
• Lloyd Industries: Lloyd Industries fabricates custom sheet metal roof curbs, curb adapters, and vibration isolation products for HVAC equipment, directly overlapping with Thybar's core curbs and Retro-Mate-style offerings.
• ATAS International: ATAS International manufactures architectural sheet metal products including roof curbs, flashing, edge metal, and accessories — comparable to Thybar in custom metal-fabrication capabilities and roof-system adjacencies.

Broad incumbents

• Greenheck Group: Greenheck is a large, established manufacturer of commercial HVAC equipment, dampers, louvers, and related sheet-metal accessories; it overlaps with Thybar through ventilation-related building envelope products sold to similar contractors.
• Price Industries: Price Industries is a large manufacturer of HVAC air distribution products including grilles, diffusers, and rooftop accessories; broader in scope but serves the same commercial HVAC contractor channel as Thybar.

Emerging players

• Tjernlund Products: Tjernlund makes HVAC accessories including power exhausters, barometric relief, and curb-mounted accessories sold through HVAC distributors, overlapping with Thybar's rooftop accessory and curb product lines.
• Vent Products of America: Vent Products manufactures ventilation, damper, and HVAC accessory products sold to mechanical contractors, overlapping with Thybar's rooftop accessories and modified air handler offerings.
• Quick-Sling / RPS Products: RPS Products supplies HVAC accessories, supports, and curb-related products to contractors, partially overlapping with Thybar's equipment mounting supports (TEMS) and accessory categories.

Regional players

• NCI Metal Products: NCI Metal Products provides custom sheet metal fabrication for HVAC and industrial applications in regional markets, comparable as a smaller custom-fabrication peer to Thybar's specialty curb business.
• ACETek Custom Metal Manufacturing: ACETek is a custom sheet metal fabricator serving HVAC and industrial customers with curbs and enclosures, comparable to Thybar's project-based custom fabrication model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/thybar-corporation

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 Thybar Corporation