What T. M.Cobb does

T.M. Cobb Companies is a family-owned manufacturer and distributor of wood doors and windows headquartered in Riverside, California, operating since 1935 across second, third, and fourth generation Cobb family ownership. The company runs three integrated divisions: Haley Bros. (manufacturing, originally established 1893), Cobb Custom (custom millwork and architectural specification work), and T.M. Cobb Distribution (wholesale logistics to dealer and builder customers). The product portfolio spans nine exterior door collections (Pinnacle, Premiere, Southwest, California Craftsman, Urban, Victorian, Monterey, Stock Entry, and Dutch Doors), seven interior door categories including acoustical and fire-rated flush doors from Haley Bros., fiberglass and steel entry door systems distributed under a core alliance with Therma-Tru (Classic-Craft, Fiber-Classic, Tru-Defense, Smooth-Star), five window types (bay, slider, double hung, casement, awning), commercial prefinished steel frames via Timely, and a finishing/hardware range. Core technology centers on stile-and-rail wood construction with Type One exterior glue joints, engineered stiles and rails for stability, the proprietary Accugrain fiberglass graining process, the Tru-Defense weather seal system, and an acoustical sound core delivering STC ratings up to 47 with fire ratings up to 90 minutes.

T.M. Cobb operates 5 manufacturing plants, 4 distribution warehouses, and 5 sales offices totaling 395,000 square feet of inventory space, and runs the industry-recognized largest fleet of all-weather trucks in California with typical 24-hour order-to-ship turnaround. The customer base spans building material dealers, builders and remodelers, architects, and homeowners, reached primarily through a network of 616+ dealers across California and neighboring states, supplemented by Cobb Custom direct service for complex architectural millwork. Pricing is quote-based and not publicly disclosed, with revenue generated through one-time door and window sales, custom millwork orders, and distribution/transaction services.

The go-to-market is B2B-led (channel partners) with selective direct-to-consumer fulfillment via the dealer locator and Cobb Custom specification services. Marketing is dealer-support oriented: interactive flipbook digital catalogs, a dealer inquiry PDF application, downloadable brochures and technical specifications, Constant Contact email newsletter, presence on LinkedIn, Facebook, and Instagram, and QuickSale training videos that train dealers on the company's electronic catalog configuration tool. Therma-Tru is the only meaningful third-party technology alliance, with Timely a minor commercial integration; there is no public-market presence, no external investment history, and no M&A activity disclosed, consistent with multi-generational private family ownership.

Name

T. M.Cobb

Legal name

T.M. Cobb Companies

Website

https://tmcobb.com

Company type

Private

Founded year

1935

Operating status

Operating

Headcount range

101–250 employees

Short description

T.M. Cobb Companies is a family-owned manufacturer and distributor of wood doors and windows, operating since 1935 across California and neighboring states. It serves building material dealers, builders, remodelers, architects, and homeowners through 616+ dealers, custom millwork, and Therma-Tru product lines.

Ownership category

akta.pro rank

Product category

Wood Door and Window Manufacturing

NAICS

Wood Window and Door Manufacturing (321911), Metal Window and Door Manufacturing (332321), Other Building Material Dealers (44418), Building Material and Supplies Dealers (4441)

SIC

Lumber & Wood Products (No Furniture) (2400), Metal Doors, Sash, Frames, Moldings & Trim (3442), Wholesale-Lumber & Other Construction Materials (5030), Retail-Lumber & Other Building Materials Dealers (5211)

akta.pro primary industry

Interior Doors (IMADAIAB)

akta.pro secondary industries

Windows, Doors & Millwork Distribution (CRAOAFAI), Doors, Windows & Millwork Retail (Interior/Exterior Doors, Windows, Moulding) (CRAIAEAI)

Keywords

• Wood door manufacturing
• Window distribution
• Custom millwork services
• Fiberglass entry doors
• Building material supply

Headquarters

HQ city

Riverside

HQ country

United States

HQ region

North America

Offices10 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Door and Window Sales: Revenue generated from manufacturing and distributing a wide variety of doors (entry, interior, fiberglass, commercial) and windows. Products sold through dealer network to builders, remodelers, architects, and homeowners.
2. Custom Millwork Services: Cobb Custom division provides custom door and window design and manufacturing services. Creates one-of-a-kind looks and designs to customer specifications for unique architectural requirements.
3. Distribution Services: T.M. Cobb distribution division supports dealers and builders with dependable stock and project doors, regional inventory, and reliable logistics throughout California and neighboring states.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels7 records

Core offering

T.M. Cobb manufactures and distributes wood entry doors, fiberglass entry door systems, interior doors, and windows for residential and commercial construction. The company operates three divisions: Haley Bros. (wood door and millwork manufacturing), Cobb Custom (custom architectural millwork), and T.M. Cobb Distribution (regional inventory and dealer logistics). Products are sold through a 616+ dealer network to builders, remodelers, architects, and homeowners across California and neighboring states, with custom millwork and proprietary Tru-Defense/Accugrain technologies forming the higher-end specialization.

Product overview

T.M. Cobb Companies is a door and window manufacturer and distributor operating since 1935. The company operates three divisions: Haley Bros. (manufacturing), Cobb Custom (custom millwork), and T.M. Cobb Distribution. The product portfolio centers on nine door collections (Pinnacle, Premiere, Southwest, California Craftsman, Urban, Victorian, Monterey, Stock Entry, and Dutch Doors), complemented by seven interior door types (Flat Panel, Molded, Mirror/Pantry, Shaker, French, Flush, and MDF), eight fiberglass door sub-categories (Classic-Craft, Fiber-Classic, Therma-Tru Steel, Tru-Defense, Flush Glazed SDL, Smooth-Star Patio, Decorative Glass, and Finish Choice), six window types (Bay, Slider, Double Hung, Casement, Awning, and Cobb Custom), commercial products including Timely steel frames and wood species options, and hardware (Barn Door Hardware and Multi-Point Locking Systems). The company operates 5 manufacturing plants, 4 distribution warehouses, and 5 sales offices primarily serving California and neighboring states.

Differentiator

Problem solved

Functional benefit

Brands

• Haley Bros. Manufacturing division that manufactures quality-crafted wood doors and millwork with consistent production standards and scalable capacity, serving both residential and commercial builds.
• Cobb Custom
• T.M. Cobb

Products and services

• Pinnacle Collection Wood Entry Doors Premium wood entry doors featuring engineered stiles and rails for environmental friendliness and stability, available in Red Oak, Maple, Cherry, Douglas Fir, or African Mahogany, with Type One Exterior Glue Construction and glue-and-dowel joinery.
• Premiere Collection Wood Entry Doors Decorative wood entry doors featuring Tuscany, Palazzo, or Prairie decorative glass with triple-glazed insulated glass, available in Poplar or Walnut wood species.
• Southwest Collection Wood Entry Doors Entry doors manufactured using premium grade Red Knotty Alder with engineered cores for strength and stability, suitable for both interior and exterior use, available in 6/8 and 8/0 heights.
• California Craftsman Collection Entry Doors Authentic Arts and Crafts style doors honoring the Craftsman movement, featuring decorative glass with black patina caming, clear bevels and obscure glass; all glazed doors use insulated clear glass.
• Urban Collection Entry Doors Contemporary entry doors featuring a square sticking profile, shown in Douglas Fir with options for various wood species and tempered glass textures; four popular styles stocked.
• Victorian Collection Entry Doors Classic Victorian-style entry doors with customizable glass pattern choices including Tuscany, Malibu, Monticello, Newport, Pasadena, and Tradition designs; Douglas Fir construction.
• Monterey Collection Entry Doors Prairie-style entry doors featuring Prairie glass design in Douglas Fir construction with decorative glass options.
• Stock Entry Collection Doors Classic standard wood entry door designs built with T.M. Cobb craftsmanship, with selected doors also available as Dutch Door variants.
• Dutch Doors Split-function wood doors that operate as two separate pieces or as a whole, with optional Dutch Door shelf and surface mounted flush bolts, available in various lite configurations.
• Flat Panel Interior Doors Solid wood interior doors crafted in vertical grain Douglas Fir, with four classic designs stocked in Fir and custom options available in any wood species.
• Molded Door Collection Interior Doors Affordable interior doors combining the elegance of raised-panel wood doors with molded construction; patented design provides crisp, clean panel lines using heat and pressure to compress wood fibers.
• Mirror and Pantry Interior Doors Interior doors with integrated mirrors or decorative pantry designs; mirror options include Category II mirror back-to-back configurations, and pantry doors feature stile and rail construction with square or ovalo sticking.
• Shaker Collection Interior Doors Clean-lined interior doors in the Shaker style, available with barn door hardware options.
• Interior French Doors Interior French doors available in dual pane or single pane glass, in various wood species including oak, maple, mahogany and cherry, providing insulation and noise reduction while maintaining openness.
• Haley Bros. Architectural Flush Doors Architectural flush doors manufactured by Haley Bros. featuring acoustical performance with STC ratings from 31 to 47, available with fire ratings up to 90 minutes, and CARB Phase 2 / TSCA VI compliant options.
• MDF Interior Doors Environmentally friendly interior doors made from Medium Density Fiberboard without tree harvesting, featuring a smoother surface than wood for easier painting; fire-rated options available.
• Classic-Craft Fiberglass Entry Doors Premium fiberglass entry doors using Therma-Tru Accugrain technology to replicate real wood grain appearance, in American (Douglas Fir), Mahogany, Rustic, Oak, and Canvas collections.
• Fiber-Classic Fiberglass Entry Doors Fiberglass entry doors pairing durability and strength with traditional styling, available in Oak and Mahogany wood grain finishes with high-definition panel embossments.
• Therma-Tru Steel Entry Doors Steel entry doors featuring 25-gauge steel with primed white finish ready-to-paint, engineered with composite top and bottom rails, and 20-minute fire rating option available on opaque doors.
• Tru-Defense Door System Enhanced door system maximizing the seal between door and frame for improved performance against air and water infiltration and increased energy efficiency, backed by a full system warranty rider.
• Flush Glazed SDL Fiberglass Doors Fiberglass doors with flush-glazed glass built directly into the door during manufacturing, eliminating the need for a lite frame, featuring high-performance weather seal and Low-E glass options.
• Smooth-Star Hinged Fiberglass Patio Doors Fiberglass hinged patio doors with a smooth paintable surface or authentic wood-grain look using AccuGrain technology, available with internal blinds enclosed between glass.
• Bay Windows Bay windows built to fit custom openings with either casement or double-hung flankers, including head and seat, completely assembled and ready to install.
• Slider Windows Sliding windows featuring full 4-1/8 or 4-1/2 inch jambs, 1-3/8 inch thick sash, heavy duty roller system, combination bulb and compression weatherseals, solid one-piece redwood sill.
• Double Hung Windows Double hung windows with extruded vinyl jambliners with foam backing and concealed balance system, 1-3/8 inch thick sash with tilt-in feature, 1/2 inch insulated glass and bulb weatherstripping.
• Casement Windows Casement windows with full 4-1/8 or 4-1/2 inch jambs, double weatherstripped system using bulb weatherseal, 1-3/8 inch thick sash, and Truth Entry Guard Hardware in white, bronze or brite brass.
• Awning Windows Awning style windows available in single or insulated glass options with Truth Entry Guard Hardware in white, bronze or brite brass.
• Cobb Custom Millwork Services Custom millwork division creating one-of-a-kind doors, windows, and architectural elements, taking concepts from sketch to completion using all popular wood species for complex architectural specifications and fully custom designs.
• Timely Prefinished Steel Door Frames Prefinished steel door frame system combining door frame and door as a modular unit, featuring 20-gauge cold rolled steel construction, patented corner pieces, and installation every 11 inches directly into studs.
• Barn Door Hardware Sets Interior barn door hardware sets for sliding door applications; T.M. Cobb doors can be crafted for use with barn door hardware in various architectural styles.
• Multi-Point Locking System Hardware Multi-point locking hardware with three handle design options (Heirloom, Dallas, Millennium) and the widest selection of finishes, featuring a shootbolt-tongue system with stainless steel deadbolt.
• Finish Choice Prefinished Door Finishes Prefinished door options featuring PrismaGuard protective coating stain with a 10-year limited warranty, available in 10 stain colors and 12 paint colors for fiberglass doors.

Quantifiable outcome

• Ships products within 24 hours of order receipt
• +2 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered core.

• Haley Bros.coreStrategic or Co-development PartnerHaley Bros. is a manufacturing division of T.M. Cobb Companies. It manufactures quality-crafted wood doors and millwork with consistent production standards and scalable capacity. Operations span the western United States delivering reliable output that supports both residential and commercial builds. Established in 1893, Haley Bros. has earned an unparalleled reputation for dedication to exceptional quality and focus on providing superbly well-crafted doors supported by world-class customer service.
• Cobb CustomcoreStrategic or Co-development PartnerCobb Custom is the millwork division of T.M. Cobb Companies. With ability to use all popular wood species, Cobb Custom has earned reputation for superior specialty craftsmanship. From complex architectural specifications to fully custom designs, Cobb Custom delivers precision and detail with dependable delivery timelines. If you can imagine it, they can create it.
• Therma-TrucoreTechnology or IntegrationTherma-Tru is the most preferred brand of exterior doors. Year after year, building professionals rank them #1 as the brand they use most and as the most innovative company in fiberglass entry and patio door systems. They invented the fiberglass door 26 years ago and have built reputation for over 40 years. T.M. Cobb offers Therma-Tru products including Classic-Craft, Fiber-Classic, Therma-Tru Steel, Tru-Defense, and Smooth-Star door lines.

Scale indicators6 records

Recent moves5 records

Expansion highlights5 records

Emerging players

• Lynden Door: Pacific Northwest manufacturer of wood doors and millwork serving commercial and residential markets. Niche direct competitor in custom wood doors with overlapping builder/specifier customer base on the West Coast.

Direct peers

• Andersen Corporation: Major U.S. window and door manufacturer with a broad product portfolio spanning wood, fiberglass, and composite windows and doors. Competes with T.M. Cobb for builder and remodeler specifications in California and Western U.S. markets.
• Marvin Windows and Doors: Family-owned manufacturer of premium wood, wood-clad, and fiberglass windows and doors. Comparable to T.M. Cobb on custom millwork positioning, premium craftsmanship, and multi-generational family ownership.
• Masonite International: One of the world's largest manufacturers of interior and exterior doors, including fiberglass, wood, and steel. Direct overlap with T.M. Cobb's molded, flush, and entry door lines sold through dealers and big-box channels.
• Therma-Tru (Fortune Brands Innovations): Leading U.S. fiberglass entry and patio door brand (and a T.M. Cobb partner). Overlapping product mix in fiberglass entry doors and competing for the same builder and dealer relationships in California.
• Pella Corporation: Privately held, family-owned manufacturer of windows and patio doors with a strong builder/remodeler channel. Highly comparable business model to T.M. Cobb, including direct relationships with dealers and builders.
• JELD-WEN: One of the world's largest manufacturers of windows and doors (including interior, exterior, and patio) serving residential and commercial markets globally. Direct competitor to T.M. Cobb across wood, fiberglass, and steel door categories with overlapping dealer channel strategy.
• Simpson Door Company: Wood door specialist with deep custom millwork capability and a national dealer network. Closely comparable to T.M. Cobb on wood species breadth, custom craftsmanship, and builder/dealer go-to-market.

Regional players

• Milgard Windows & Doors (MI Windows and Doors): Western U.S.-focused window and patio door manufacturer with a strong dealer presence in California. Comparable regional footprint and builder/dealer channel overlap with T.M. Cobb.
• Sierra Pacific Windows: Family-owned, California-based manufacturer of wood, vinyl, and aluminum windows with strong regional distribution. Overlaps with T.M. Cobb in the California builder and remodeler channel with comparable premium wood window positioning.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/tmcobbcompanies
• LinkedInlinkedin.com/company/t.m.-cobb-company
• Instagraminstagram.com/tmcobbcompanies

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

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 T. M.Cobb