What Dilling Group does

Dilling Group, Inc. is a US-based mechanical and electrical contractor founded in 1945 and headquartered in Logansport, Indiana. The company self-performs design-build, engineering, mechanical and electrical contracting, HVAC, plumbing, building automation, process controls, and fabrication services for industrial clients (heavy manufacturing, power and energy, chemical processing, food and beverage, agribusiness, metals, pulp and paper, industrial gases) and commercial clients (offices, educational facilities, hospitals, light industrial, institutional buildings). A dedicated Mission Critical vertical targets data center and critical infrastructure work where the company reports thousands of megawatts of prior delivery for industry leaders. The company operates seven offices across Indiana (Logansport, Indianapolis, Fort Wayne, Warsaw), Tennessee (Charleston), and Texas (Northlake), and is licensed to work in most US states. Recurring service and maintenance contracts sit alongside project-based construction work, providing a partial annuity layer on top of bid-driven capital projects. Dilling Group has been a wholly-owned operating subsidiary of Comfort Systems USA, a publicly traded national mechanical contractor network, since 2018, which provides bonding capacity and financial backing to pursue projects of any scale. The go-to-market is direct field sales out of regional offices, primarily targeting enterprise industrial and commercial buyers through competitive bidding and long-standing client relationships. Pricing is project-based and not publicly disclosed, and there is no published revenue figure.

Name

Dilling Group

Legal name

Dilling Group, Inc.

Website

https://dillinggroup.com

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Dilling Group is a US mechanical, electrical, plumbing, HVAC, and automation contractor serving industrial, commercial, and mission critical clients. Founded in 1945 and headquartered in Indiana, it operates across Indiana, Tennessee, and Texas as a subsidiary of Comfort Systems USA.

Ownership category

akta.pro rank

Product category

Mechanical and Electrical Construction Services

akta.pro primary industry

Building Automation & Controls (BAS/BMS) Contracting (IMAFALAE)

Keywords

• Industrial construction services
• Commercial mechanical contracting
• HVAC and plumbing services
• Mission critical systems
• Building automation systems

Headquarters

HQ city

Logansport

HQ country

United States

HQ region

North America

Offices7 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Industrial Construction & Service: Construction and service solutions for industrial markets including manufacturing, power & energy, chemical processing, and mission critical facilities. Projects range from large Mission Critical work nationally to plant maintenance locally.
2. Commercial Construction & Service: Construction and service solutions for commercial markets including office buildings, educational facilities, hospitals, and manufacturing. Focuses on businesses in Indiana and surrounding states.
3. Service & Maintenance Contracts: Ongoing maintenance services for plant facilities, HVAC systems, plumbing, and turnaround/shut down services for both industrial and commercial clients

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Dilling Group is a self-performing mechanical and electrical contractor that provides industrial and commercial construction, service, and maintenance solutions. Offerings span design-build, engineering, mechanical/electrical/plumbing contracting, HVAC, building automation, automation and process controls, fabrication, and turn-around/shut-down services. The company runs three divisions—Industrial, Commercial, and Mission Critical—delivering integrated systems for plants, commercial buildings, and critical facilities nationwide.

Product overview

Dilling Group provides industrial and commercial construction and service solutions. The company operates as a single unified offering under the Dilling Group brand, organized into three main divisions: Industrial (construction and service/maintenance solutions), Commercial (construction and service/maintenance solutions), and Mission Critical (specialized mechanical systems for critical environments). All divisions self-perform work including design-build, engineering, mechanical/electrical/plumbing contracting, HVAC, automation & process controls, and fabrication. The company is a subsidiary of Comfort Systems USA since 2018.

Differentiator

Problem solved

Functional benefit

Products and services

• Industrial Construction Solutions Provides construction services for industrial facilities including design-build, engineering, mechanical & electrical contracting, industrial HVAC, automation & process controls, turn-around/shut-down services, and fabrication. Serves industrial customers across manufacturing, power & energy, chemical processing, agribusiness, automotive, food & beverage, industrial gases, pulp & paper, and metals markets.
• Industrial Service & Maintenance Solutions Provides ongoing maintenance services for industrial plants including plant maintenance, plumbing service & maintenance, HVAC service & maintenance, and turn-around/shut-down services. Serves operators of industrial facilities that require continuous uptime and recurring mechanical, electrical, and plumbing support.
• Commercial Construction Solutions Provides construction services for commercial buildings including design-build, engineering & design, mechanical, electrical, and plumbing (MEP) contracting, commercial HVAC, building automation systems (BAS), and fabrication. Serves commercial customers such as office buildings, schools, hospitals, institutional facilities, and light industrial sites, primarily in Indiana and surrounding states.
• Commercial Service & Maintenance Solutions Provides service and maintenance solutions for commercial facilities including facility maintenance, plumbing service & maintenance, and HVAC service & maintenance. Serves commercial building owners, property managers, and institutional customers in Indiana and surrounding states, with 24/7 emergency service in Indianapolis and Fort Wayne.
• Mission Critical Systems Designs, fabricates, and delivers fully integrated mechanical systems for environments where failure is not an option, including data centers and other critical infrastructure. Backed by Comfort Systems USA's financial strength and bonding capacity.

Segments3 records

Ideal customer profiles2 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 moves7 records

Expansion highlights4 records

Direct peers

• Limbach Holdings: Public specialty mechanical contractor focused on HVAC, plumbing, and building automation for commercial and industrial customers. Most direct pure-play MEP comparable to Dilling's commercial and industrial book.
• IES Holdings: Public specialty contractor providing mechanical, electrical, and plumbing services for commercial, industrial, and residential markets. Closely comparable business model and end-market exposure to Dilling Group.
• ACCO Engineered Systems: Privately held mechanical contractor providing HVAC, plumbing, and building automation design-build services for commercial and industrial customers. Closely comparable in scope and self-perform model.
• SitelogIQ: National provider of facility and energy services including HVAC, mechanical, and building automation. Comparable integrated MEP and service/maintenance model to Dilling's commercial and industrial offerings.
• U.S. Engineering Company Holdings: Employee-owned mechanical contractor providing HVAC, plumbing, and process piping for commercial, industrial, and mission critical customers. Similar design-build self-perform model and end-market mix.
• Harris Group: Industrial mechanical and process contractor serving chemical, energy, and manufacturing end markets. Comparable industrial construction and process controls capabilities to Dilling's industrial division.

Broad incumbents

• EMCOR Group: Largest publicly traded mechanical and electrical construction firm in the U.S., serving commercial, industrial, and utility markets. Overlaps directly with Dilling's MEP contracting services across most end markets.
• API Group: Public specialty services platform with mechanical, fire protection, and life safety services across commercial and industrial customers. Comparable MEP platform with similar customer profile to Dilling.
• Comfort Systems USA: Public parent company and national mechanical contractor platform of which Dilling is a subsidiary. Provides direct comparison for Dilling's revenue mix and growth dynamics within the broader portfolio.
• Quanta Services: Largest public specialty infrastructure contractor in North America with utility, energy, and industrial services. Comparable in industrial and mission critical capabilities, though larger and broader in scope.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/dillingteam
• LinkedInlinkedin.com/company/dilling-group

Revenue estimate

Valuation estimate

Number of profiles

Profiles16 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 Dilling Group