Dorvin D. Leis

What Dorvin D. Leis does

Dorvin D. Leis (DDL) is a Hawaii-based mechanical contracting firm founded in 1961 and headquartered in Kahului, Maui. Per its own positioning, DDL is the largest mechanical contractor in its market, delivering projects that span the full vertical range of the built environment — from single-family residential work to large-scale resort, high-rise, and hospital installations. The breadth of project types implies competence across HVAC, plumbing, and related mechanical scopes typical of a full-service mechanical contractor.

The company employs between 101 and 250 people and operates as a privately held, for-profit entity. Its geographic footprint is concentrated in Hawaii, with Kahului serving as the operational base. The diversified project portfolio across residential, hospitality, commercial, and healthcare end-markets suggests a horizontal go-to-market rather than specialization in a single vertical, which provides some insulation against sector-specific demand swings but leaves the business exposed to Hawaii's local construction cycle.

The business model is project-based services revenue tied to mechanical contracting scopes. No pricing model, contract structure, customer roster, or revenue figures are disclosed in available sources, and the company's website was inaccessible at the time of data collection (returning only a verification/loading page). As a result, monetization mechanics — bid structure, margin profile, recurring service versus new construction mix — cannot be characterized beyond the standard project-contractor archetype.

Name

Dorvin D. Leis

Website

https://leisinc.com

Company type

Private

Founded year

1961

Headcount range

101–250 employees

Short description

Dorvin D. Leis is a Hawaii-based mechanical contractor, founded in 1961 and self-described as the largest in its market, delivering HVAC and mechanical scope across residential, resort, high-rise, and hospital projects.

Ownership category

akta.pro rank

Headquarters

HQ city

Kahului

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Core offering

Dorvin D. Leis is a mechanical contracting company that designs, installs, and services mechanical systems for a wide range of building projects. The firm works on single-family homes, resorts, high-rise buildings, and hospitals, providing HVAC, plumbing, and related mechanical infrastructure for both residential and commercial clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Mechanical Contracting for Single-Family Homes
• Mechanical Contracting for Resorts
• Mechanical Contracting for High-Rise Buildings
• Mechanical Contracting for Hospitals

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Broad incumbents

• EMCOR Group: EMCOR Group is a publicly traded national leader in mechanical and electrical construction, facilities services, and energy infrastructure. Comparable as a broadly scaled mechanical contractor serving commercial, institutional, and industrial customers with overlapping project types.
• Comfort Systems USA: Comfort Systems USA is a publicly traded national mechanical contractor providing HVAC, plumbing, and piping services across commercial, industrial, and institutional markets. Comparable in project types (hospitals, high-rises, commercial) and customer base, though operating at materially larger scale.
• Limbach Holdings: Limbach Holdings is a publicly traded national mechanical contractor focused on commercial and institutional facilities including healthcare, higher education, and high-rise buildings. Directly comparable project portfolio and customer types, though geographically broader.
• IES Holdings: IES Holdings is a national mechanical and electrical services provider serving commercial, industrial, and institutional customers. Comparable in scope of mechanical services and project scale, with diversified end-markets similar to DDL's project mix.
• APi Group: APi Group is a global safety, specialty, and industrial services provider with substantial mechanical services franchises. Comparable as a scaled mechanical contractor competing for institutional and commercial mechanical work in regional markets.

Regional players

• Hawaiian Dredging Construction Company: Hawaiian Dredging is one of Hawaii's largest general contractors, performing commercial, infrastructure, and resort construction across the islands. A regional peer that frequently delivers mechanical-included projects in DDL's core market and competes for similar institutional work.
• Arita Poulson General Contractor: Arita Poulson is a Hawaii-based general contractor with projects across commercial and residential sectors in the islands. Comparable as a regional construction firm overlapping DDL's market on Hawaii commercial builds where mechanical scope is bundled.

Direct peers

• Waldinger Corporation: Waldinger is a Midwest-based mechanical and HVAC contractor serving commercial, industrial, and institutional customers. Closely aligned business model and project mix as a scaled regional mechanical contractor with similar project types and customer profile.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks4 records

Key highlights4 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

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 Dorvin D. Leis