D.L. Engineering Inc.

What D.L. Engineering Inc. does

D.L. Engineering Inc. is a privately held, structural engineering consulting firm headquartered in Richmond Hill, Ontario, Canada, with 16 employees. The firm operates two distinct service lines: (1) Natural Stone Engineering Services — encompassing stone consulting, shop drawings, anchoring systems, connection design, and engineering for exterior and interior stone cladding, facades, dimensional stone, handset stone, stone veneer, and cast stone, alongside related cladding systems such as Architectural Precast Concrete, Honeycomb Panel, GFRC Panel, and ACM Panel; and (2) Residential Structural Design Services — covering structural design, review, reporting, field review, and certification for low-rise residential, with deep expertise in the Ontario Part 9 Building Code, serving single-family homes, townhomes, semi-detached dwellings, custom estate homes, and subdivision track communities.

The underlying technology stack is conventional structural engineering tooling: direct work from architectural CAD files in a paperless workflow, supported by a quality assurance and control program that synchronizes stone shop drawings, connection design drawings, part fabrication drawings, and parts quantity lists. The firm holds multi-jurisdictional Professional Engineer credentials in British Columbia, Alberta, and Ontario, plus a Consulting Engineer designation in Ontario, held by President Derek Lai (M.A.Sc., University of Toronto).

The business model is professional services — project-based, quote-based fees for engineering deliverables rather than product or subscription revenue. Go-to-market is direct enterprise field sales targeting builders, developers, architects, and designers, primarily in the Greater Toronto Area and Southern Ontario, with a North American footprint for natural stone projects spanning Massachusetts, Vermont, New York, Washington D.C., Kansas, and Utah. Customer segments are diversified across four verticals: residential builders/developers, cultural institutions, commercial real estate, and government, with named reference clients including OPUS Homes, National Homes, Fieldgate Homes, Mattamy, Royal Alberta Museum, Royal Ontario Museum, Manulife Building, Suncor Energy Plaza, Irving Oil HQ, Bank of Canada, Toronto Union Station, and St. Michael's Cathedral. The firm has won six BILD Associate Professional Services Awards and two finalist placements (2018–2025) and four Natural Stone Institute Pinnacle/Tucker Design Awards (2016, 2020, 2023, 2024).

Name

D.L. Engineering Inc.

Legal name

D.L. Engineering Inc.

Website

https://dlengineering.ca

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

D.L. Engineering Inc. is a privately held structural engineering consultancy (16 employees) based in Richmond Hill, Ontario, specializing in low-rise residential structural design under the Ontario Part 9 Building Code and natural stone engineering for landmark, commercial, cultural, and government projects across North America.

Ownership category

akta.pro rank

Product category

Structural Engineering Services

NAICS

Engineering Services (54133), Architectural, Engineering, and Related Services (5413), Other Specialized Design Services (54149)

SIC

Services-Engineering Services (8711), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industries

Stonework & Masonry (Stone Veneer, Brick, Block) (HSAIACAI), Construction Engineering & Constructability Consulting (BPAHAIAN)

Keywords

• Structural engineering consulting
• Natural stone engineering
• Residential structural design
• Stone anchorage design
• Building code compliance

Headquarters

HQ city

Richmond Hill

HQ country

Canada

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Structural Engineering Consulting: Professional engineering services for residential and commercial projects including structural design, structural review, reporting, field review, and certification
2. Stone Consulting and Engineering: Stone consulting, shop drawings, tickets, and engineering services for natural stone projects including connection details, hardware fabrication drawings, and site conformance reviews

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

D.L. Engineering is an award-winning structural engineering consulting firm specializing in two domains: Natural Stone engineering and Residential structural design. For natural stone projects the firm provides stone consulting, shop drawings, tickets, anchor and connection design, hardware fabrication drawings, and site conformance reviews for exterior and interior stone cladding applications. For residential work the firm provides structural engineering design, review, reporting, field review, and certification for subdivisions, custom homes, townhomes, semi-detached dwellings, and sales offices, grounded in Ontario Part 9 Building Code expertise.

Product overview

D.L. Engineering Inc. is a structural engineering consulting firm offering two distinct service areas: Natural Stone Engineering Services (stone consulting, shop drawings, anchoring systems, connection design, and engineering for exterior/interior stone cladding applications including Architectural Precast Concrete, Honeycomb Panel, GFRC Panel, and ACM Panel) and Residential Structural Design Services (structural engineering for residential subdivisions, custom homes, townhomes, and semi-detached dwellings with expertise in Ontario Part 9 Building Code). The company operates as a consulting practice rather than a software product platform.

Differentiator

Problem solved

Functional benefit

Products and services

• Natural Stone Engineering Services Structural engineering consulting for natural stone projects, including stone consulting, shop drawings, tickets, anchor and connection design, hardware fabrication drawings, and site conformance reviews for exterior and interior stone applications such as panels, facades, dimensional stone, handset stone, stone veneer, and cast stone, delivered for cultural, commercial, and government clients across North America.
• Residential Structural Design Services Structural engineering design, review, reporting, field review, and certification for residential subdivisions and custom homes, including single-family homes, townhomes, semi-detached dwellings, custom estate homes, and sales offices, with expertise in the Ontario Part 9 Building Code and value engineering to reduce construction cost while preserving structural integrity.

Quantifiable outcome

• 8 years of BILD Excellence: 6 Wins and 2 Finalist Placements (2018-2025)
• +2 more outcomes

Named customers16 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Lerch Bates: Building envelope and facade access consulting firm with material practice overlap in stone cladding and exterior wall engineering. Comparable in delivering specialty consulting on stone anchorage and building enclosure systems, particularly for commercial towers.
• Crossey Engineering: Toronto-based structural engineering firm offering residential, commercial, and restoration engineering services. Closely comparable to DL Engineering on GTA residential subdivision structural design and Ontario building code expertise.
• Simpson Gumpertz & Heger: US-headquartered structural engineering and building envelope consulting firm with established masonry and historic preservation practices. Highly comparable to DL Engineering on stone cladding engineering, restoration consulting, and structural design for complex buildings.
• Stephenson Engineering: Canadian structural engineering consulting firm with a Toronto presence, serving residential, commercial, and institutional clients. Comparable to DL Engineering on Ontario-based structural design and consulting for builders and developers.
• Entuitive: Canadian structural engineering firm with expertise across residential, commercial, cultural, and heritage projects. Comparable to DL Engineering on building restoration, structural design, and complex stone/cladding consulting in the Canadian context.
• Jablonsky, Ast and Partners: Toronto-based structural engineering consultancy with experience across residential subdivisions, custom homes, and commercial buildings. Directly comparable on GTA residential structural design services and Ontario Part 9 expertise.
• Wiss, Janney, Elstner Associates: Large US engineering firm specializing in structural, architectural, and building envelope investigations, with deep natural stone and masonry restoration practices. Direct comparable to DL Engineering's stone anchorage, facade restoration, and heritage consulting work, though at much greater scale and broader service offering.
• Read Jones Christoffersen: Canadian structural engineering consulting firm with offices across Canada, providing structural design for residential, commercial, and cultural buildings. Comparable in delivering residential subdivision structural work and complex building engineering in the Canadian market.
• Cleland Jardine Engineering: Ontario-based structural engineering firm serving residential builders, developers, and commercial clients. Comparable to DL Engineering on residential subdivision structural design and Ontario building code consulting in the regional market.
• Atkinson-Noland & Associates: Structural engineering and masonry consulting firm specializing in historic masonry, stone, and building envelope evaluation. Closely aligned to DL Engineering's heritage stone restoration and stone anchorage consulting practice.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/DLEngineeringCA
• LinkedInlinkedin.com/company/d-l-engineering

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 D.L. Engineering Inc.