Door Services Corporation

What Door Services Corporation does

Door Services Corporation (DSC) is a US-incorporated private commercial door services company and a wholly-owned subsidiary of Horton Automatics (founded 1960, the inventor of the automatic sliding door). Headquartered in Hatfield, United Kingdom operationally and with extensive operations across the United States and Canada, DSC installs, repairs, and maintains pedestrian commercial and automatic doors — including sliding, swinging, folding, revolving, fire-rated, security, ballistic-resistant, blast-resistant, platform screen, drive-thru, cleanroom, and touchless-activated systems. Its technology stack is product-line driven rather than proprietary-software-driven, anchored by OEM relationships with Horton Automatics (sliding, swing, revolving, healthcare applications, drive-thru windows) and Won-Door Corporation (FireGuard accordion fire doors, SteelGuard dual-purpose fire/security doors), with all installations and inspections credentialed under AAADM, NFPA 80, UL 1784, UL 325, ANSI, ADA, and CSA/IBC/Miami-Dade/BOCA standards. The go-to-market is exclusively direct field service: 120 AAADM-certified, factory-trained W-2 technicians dispatched from 18 USA/Canada locations, each operating a fully stocked van, scheduled within 24 hours of contact with after-hours emergency response available.

The company monetizes across four revenue streams: (1) one-time commercial door repair services (professional services, per-incident), (2) preventative door maintenance contracts (recurring subscription, annual or multi-year, with reportedly 25% labor/service discounts versus non-contract rates), (3) commercial door installation projects including factory-rebuilt and new equipment sales, and (4) parts and hardware sales deployed directly from technician vans. Customer concentration is vertical-segmented rather than logo-concentrated, with primary segments being healthcare facilities, educational institutions, and retail/hospitality, and secondary segments in senior living, public transit, and cleanroom/pharmaceutical applications. Named customers include Joseph Brant Hospital, Guelph General Hospital, Stryker Canada, East Providence High School (with 43 Won-Door SteelGuard systems installed and reported incident review time reduced from 8 hours to ~15 minutes), Mapleview Centre, two GO Transit stations, Ontario Police College, and Alexandra Hospital.

Distribution is direct-only — no e-commerce, retail, or third-party reseller — executed through 14 regional subsidiaries (Advanced Door Automation, Advanced Door Service, Allegheny Door Enterprises, Automatic Door Enterprises, Del-Mar Door Service, Door Controls, Door Control Inc., Door Concepts Inc., Eastern Door Service, Keystone Automatic Door Enterprises, Texas Access Controls, Horton Automatics of Ontario, Pasco Doors, Your Automatic Door Company). Marketing relies on a location-specific website with downloadable whitepapers, blog content addressing NFPA 80 compliance and vertical-specific applications, Google Business Profile listings per branch, and a LinkedIn presence. The leadership team publicly identified is led by Peter Lawson, Vice President of Door Services Corporation; the company is privately held by Horton Automatics (strategic operating company parent) with no private equity, venture, or institutional investor ownership signals present in the source data.

Name

Door Services Corporation

Legal name

Door Services Corporation

Website

https://doorservicescorporation.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

101–250 employees

Short description

Door Services Corporation is a private US-headquartered commercial door services subsidiary of Horton Automatics that installs, repairs, and maintains automatic pedestrian doors — including sliding, swinging, revolving, fire-rated, security, cleanroom, and transit doors — for healthcare, education, retail, transit, senior living, and government facilities across the USA and Canada via 120 AAADM-certified technicians across 18 locations.

Ownership category

akta.pro rank

Product category

Commercial Door Installation & Maintenance Services

NAICS

Security Systems Services (56162)

SIC

Services-Miscellaneous Repair Services (7600)

akta.pro primary industry

Commercial & Industrial Doors (Sectional, High-Speed, Fire, Security) (IMADAIAF)

akta.pro secondary industry

Door Repair & Adjustment (Interior/Exterior, Hinges, Closers) (HSAGAEAA)

Keywords

• Commercial door services
• Automatic door installation
• Automatic door maintenance
• Fire door inspections
• Automatic entrance systems

Headquarters

HQ city

Hatfield

HQ country

United Kingdom

HQ region

Europe

Offices24 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Infrastructure

Revenue model

1. Commercial Door Repair Services: One-time or recurring repair services for all types of commercial and automatic pedestrian doors. Technicians arrive with fully stocked vans to resolve most issues on the first visit. Revenue generated per service call.
2. Door Maintenance Contracts: Preventative maintenance agreements offering scheduled inspections, routine maintenance, and discounted labor rates for both normal business hours and after-hours service. These contracts provide recurring revenue and help avoid costly repairs for customers.
3. Commercial Door Installation: Installation of new automatic and manual commercial doors including sliding, swinging, revolving, folding, fire-rated, security, and specialty doors. New equipment sales (factory rebuilt or brand new) are offered when repair is not feasible.
4. Parts and Hardware Sales: Sale of replacement parts, door hardware, weatherstripping, and accessories. Technicians carry inventory in their fully stocked vans for immediate deployment.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Door Services Corporation installs, repairs, and maintains commercial and automatic pedestrian doors for facilities across the USA and Canada. The company dispatches 120 AAADM-certified technicians from 18 locations, each operating a fully stocked van, to deliver 24/7 emergency repair, preventative maintenance contracts, new door installation (sliding, swinging, folding, revolving, fire-rated, security, ballistic, blast, cleanroom, and platform screen doors), and NFPA 80-compliant fire door inspections. Product lines are sourced primarily from Horton Automatics and Won-Door Corporation, with Door Services Corporation acting as the factory-authorized installation and service channel.

Product overview

Door Services Corporation provides a comprehensive portfolio of commercial and automatic door products and services. The core product line includes Sliding Doors, Swinging Doors, Folding Doors, and Revolving Door Systems (Horton Grand and MiniGrand), complemented by Fire & Security Solutions including Won-Door FireGuard, SteelGuard, HD-Ballistic, and ProSlide Blast door systems. The company also offers specialized add-on products including Drive-Thru Windows, Touchless Door Solutions, Platform Screen Doors for transit, Automatic Beer Cave Doors, and Cleanroom Doors (Horton UltraClean Sterile, HD-Slide Series). Services include 24/7 Emergency Repair, Commercial Door Installation, Automatic Door Maintenance, Commercial Door Repair, Door Maintenance Contracts, Fire Door Inspections, and Won-Door Maintenance & Inspections. Door Services Corporation operates as part of the Horton Automatics family, with 120+ certified technicians across 18 locations in the USA and Canada.

Differentiator

Problem solved

Functional benefit

Products and services

• Sliding Doors

Quantifiable outcome

• 24-hour technician dispatch guarantee for all service calls
• +3 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature8 records

Partnerships

One partnership is on record.

• Horton AutomaticsflagshipStrategic or Co-development Partner · 1 January 1960Horton Automatics invented the automatic sliding door in 1960 and is the parent company of Door Services Corporation. Door Services Corporation operates as part of the Horton Automatics family, benefiting from its product innovation, brand reputation, and manufacturing expertise. Horton Automatics products (sliding doors, swing operators, revolving doors, healthcare applications, security entrances, drive-thru windows) are installed and serviced exclusively through Door Services Corporation's technician network.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Geze GmbH: German automatic door systems manufacturer with growing North American presence. Competes in the same product categories (sliding, swing, revolving) but is less established in US field service compared to DSC.

Direct peers

• Record USA: UK-headquartered automatic door manufacturer (part of ASSA ABLOY) with US service operations. Direct competitor in commercial automatic door installation, service, and high-traffic applications.
• Stanley Access Technologies: Now part of Allegion, Stanley Access is a major commercial automatic door manufacturer and service provider in North America. Closely comparable to DSC in product breadth and field-service model.
• Overhead Door Corporation: US-based manufacturer and service provider of commercial and residential doors (DSC's California Privacy contact references overheaddoor.com). Competes with DSC in commercial door service and installation, including the garage/commercial door segment.
• dormakaba Group: Swiss-listed provider of access and entrance solutions, including automatic sliding/swing doors and service. Direct competitor to DSC's product portfolio, particularly in healthcare, transit, and commercial real estate.
• KONE Entrance Solutions: Finnish elevator and entrance solutions provider with an automatic door service business in North America. Comparable to DSC in commercial building entrance systems and service contracts.
• Allegion plc: Pure-play security products and access solutions company (includes LCN, Von Duprin, Stanley Automatic Doors). Competes head-to-head with DSC in commercial automatic door service, installation, and access control integration.
• Nabco Entrances Inc. US subsidiary of Nabtesco, manufacturing automatic sliding, swinging, and ICU/cleanroom doors with a national service network. Comparable to DSC's product mix and service model, particularly in healthcare.
• ASSA ABLOY (Automatic Door Group / Besam): Global leader in door opening solutions with a strong automatic door and service portfolio (Besam, Crawford, Albany). Directly comparable to DSC in the commercial automatic door service market across North America and globally.
• Tormax USA: Swiss automatic door manufacturer with US distribution and service. Direct competitor in commercial automatic sliding and swinging doors, including low-energy and high-traffic applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/door-services-corporation
• Xx.com/doorservicesco
• Facebookfacebook.com/DoorServicesCorporation

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries14 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 Door Services Corporation