Johnson-Melloh Mechanical
Johnson-Melloh Mechanical is an Indianapolis-based, employee-owned mechanical contractor founded in 1976 that delivers HVAC, plumbing, electrical, energy-efficiency, and ultra-low temperature equipment services to commercial, industrial, healthcare, educational, and municipal facility owners across Central Indiana.
- Company typePrivate
- Founded1976
- HeadquartersIndianapolis, United States
- Headcount51–100
- GTM typeB2B
- OfferingServices
What Johnson-Melloh Mechanical does
Johnson-Melloh Mechanical is an Indianapolis-based, employee-owned mechanical contracting firm founded in 1976 that delivers HVAC, plumbing, electrical, refrigeration, and energy-efficiency services to commercial, industrial, healthcare, educational, municipal, and hospitality facility owners across Central Indiana. The company's core offerings span project-based mechanical contracting (design-build, plan & spec, tenant finish), 24/7 on-call maintenance contracts, energy retrofits, and proprietary physical products including the JM Automatic Snow & Ice Melt (ASIM) system and the Sun Bandit family of solar water heating and ductless air solutions. A distinct Ultra-Low Temperature (ULT) practice — certified by Eppendorf, PHCBI, and NUAIRE — services -80°C and -150°C freezers, CO2 incubators, and validated medical/scientific/pharmaceutical equipment.
Revenue is generated through four streams: project-based professional services (mechanical contracting), recurring maintenance and service contracts, hardware sales of proprietary and OEM products (including Honeywell controls and LED systems), and energy-efficiency consulting with sustainable financing (0% interest for 60 months offered on equipment). The go-to-market is primarily regional field sales and direct service to enterprise and institutional customers, complemented by an online customer portal for account management and a recently launched direct-to-consumer residential HVAC and plumbing channel with online scheduling. Distribution is entirely self-performed by employee-owned, factory-certified technicians covering brands such as Carrier, AERCO, Rinnai, Daikin, and Marley. Marketing relies on the company website, project case studies, community involvement, and long-tenured customer referrals rather than paid digital acquisition.
Johnson-Melloh Mechanical firmographics
Firmographics- Name
- Johnson-Melloh Mechanical
- Legal name
- Johnson-Melloh Mechanical
- Website
- https://johnsonmelloh.com
- Company type
- Private
- Founded year
- 1976
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Johnson-Melloh Mechanical is an Indianapolis-based, employee-owned mechanical contractor founded in 1976 that delivers HVAC, plumbing, electrical, energy-efficiency, and ultra-low temperature equipment services to commercial, industrial, healthcare, educational, and municipal facility owners across Central Indiana.
- Ownership category
- akta.pro rank
Johnson-Melloh Mechanical industry classification
Industry- Product category
- Mechanical Contracting Services
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (238220)
- akta.pro primary industry
- Hard Services (MEP/HVAC, Electrical, Plumbing) (BPABAAAA)
- akta.pro secondary industries
- HVAC & Refrigeration Contracting (IMAFALAB), HVAC & Industrial Ventilation (Chillers, AHUs, Exhaust, Filtration) (EUAEAFAE), Boiler Installation & Replacement (HSAOACAC)
Keywords
Where Johnson-Melloh Mechanical is headquartered
LocationHeadquarters
- HQ city
- Indianapolis
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Johnson-Melloh Mechanical business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Mechanical Contracting Services: Project-based mechanical contracting services including contracting, plan & spec, design-build, and tenant finish for commercial and industrial facilities.
- Maintenance and Service Contracts: Full-service maintenance programs with 24-hour on-call service for HVAC, plumbing, refrigeration, cooling towers, chillers, and backflow testing.
- Product Solutions: Sale and installation of proprietary and third-party products including ASIM snow melt systems, Sun Bandit solar products, LED lighting, and Honeywell Controls.
- Energy Efficiency Consulting: Design-build energy solutions including LED lighting, controls/building automation, retrofit, upgrades, and water conservation with sustainable financing strategies.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Residential Service Call Fee |
| Subscription | Monthly | Equipment Financing |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels5 records
Johnson-Melloh Mechanical product offering
Product offeringCore offering
Johnson-Melloh Mechanical is a commercial mechanical contractor that designs, installs, and services HVAC, plumbing, refrigeration, boilers, cooling towers, and process piping systems for industrial, healthcare, educational, municipal, and hospitality facilities. It also provides design-build construction, 24/7 on-call service, preventive maintenance contracts, energy-efficiency retrofits, and certified Ultra-Low Temperature equipment service for medical/scientific clients, plus a residential HVAC/plumbing line and proprietary solar and snow-melt product lines.
Product overview
Johnson-Melloh Mechanical is a commercial mechanical contracting company offering a portfolio of HVAC, plumbing, and energy solutions. The core product line includes the JM Automatic Snow & Ice Melt (ASIM) system for automated winter surface maintenance, and the SunBandit family of solar products including the Hybrid Solar Water Heater and Ductless Air systems. Additional offerings include Photovoltaic Solar installations, Turnkey Products for energy efficiency, and Customer Consulting Services. Services encompass mechanical contracting, design/build, maintenance, boiler services, ultra-low temperature equipment services, and 24-hour on-call service.
Differentiator
Problem solved
Functional benefit
Brands
- JM Sun Bandit: Hybrid Solar Water Heating product line using sun's energy to heat, store and provide hot water for business and home applications.
- JM Automatic Snow & Ice Melt (ASIM)
Products and services
- JM Automatic Snow & Ice Melt (ASIM) Turnkey automatic snow and ice melt system that prevents accumulation on concrete, asphalt, and paver surfaces, eliminating the need for plowing, shoveling, and salt while mitigating slip-and-fall risk for vehicles and pedestrians. Targeted at commercial, healthcare, church, and institutional facilities in Central Indiana.
- SunBandit Hybrid Solar Water Heater Solar water heating system that uses the sun's energy to heat, store, and supply hot water for businesses and homes. Sold and installed for homebuilders, churches, schools, restaurants, and other high-volume hot-water users seeking to offset utility costs.
- SunBandit Ductless Air Solar-powered ductless heating and cooling system that provides climate control without utility involvement, marketed for residential and commercial applications seeking off-grid or energy-offset comfort.
- Photovoltaic Solar Installations Solar energy solutions for facilities that convert sunlight into usable electrical power, providing alternative energy to offset utility costs. Sold and installed for commercial, institutional, and residential customers.
- Mechanical Contracting (Contracting, Plan & Spec, Design-Build, Tenant Finish) Project-based commercial mechanical construction services covering contracting, plan & spec, design-build, and tenant finish for industrial, manufacturing, healthcare, educational, municipal, and hospitality facilities in Indiana and the surrounding Midwest.
- Mechanical Service and 24/7 On-Call Maintenance Full-service preventive maintenance programs and round-the-clock emergency service for HVAC, plumbing, refrigeration, cooling towers, chillers, and backflow testing on commercial and institutional customer systems.
- JM Boiler Team (Commercial Boiler Service) Factory-certified commercial boiler service including startup, repair, and replacement for AERCO and other major commercial boiler brands, delivered to industrial, healthcare, educational, and municipal customers.
- JM Low-Temp Team (Ultra-Low Temperature Equipment Service) Certified service for Ultra-Low Temperature freezers (-80°C and -150°C), CO2 incubators, platelet incubators, environmental chambers, biosafety cabinets, and other medical, scientific, and pharmaceutical equipment including validation, calibration, and assessment. Backed by ULT certifications from Eppendorf, PHCBI, and NUAIRE.
- Energy Efficiency Solutions (LED Lighting, Controls, Retrofit, Upgrades, Water Conservation) Design-build energy solutions including LED lighting upgrades, Honeywell and Carrier building automation controls, retrofit and upgrade projects, and water conservation programs with sustainable financing strategies for commercial and institutional facilities.
- Residential HVAC & Plumbing Service (Central Indiana) Direct-to-homeowner HVAC repair, equipment installation, and plumbing services for Central Indiana residents, accessed via online scheduling with a flat $300 service call fee (applied to total cost) and 0% interest 60-month equipment financing.
Quantifiable outcome
- $100,000+ annual energy and operational savings for Cathedral High School
- +3 more outcomes
Companies that use Johnson-Melloh Mechanical
Customer profileNamed customers9 records
Segments6 records
Ideal customer profiles4 records
Johnson-Melloh Mechanical technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Johnson-Melloh Mechanical partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered minor and core.
- Midwest Helicopter AirwaysminorPartnered for Lafayette Square Mall transformation project to fly 30 rooftop units individually to roof positions as crews directed proper placement. One-time project collaboration.
- Kort BuilderscoreRegular project collaboration partner on commercial mechanical projects including District Tap 2 and Spot offices. Kort Builders serves as general contractor with Johnson-Melloh providing mechanical design and installation services.
- DaikincoreDaikin VRV PRO Dealer providing design, engineering, and service for Daikin VRV equipment. Factory-certified partnership for equipment installation and support.
- RinnaicoreCommercial Service Provider - Factory Certified partnership working directly with Rinnai factory for commercial tankless water heater solutions.
- AERCOcoreAERCO Boiler Factory Technicians for startup and repairs on AERCO commercial boiler systems.
- CarriercoreCarrier Building Automation Controls experts and factory partnership for Carrier commercial HVAC equipment and building automation systems.
- Marley Cooling TowercoreMarley Cooling Tower Factory Technicians for startup and repairs on Marley commercial cooling tower equipment.
- EppendorfcoreUltra-Low Temp (ULT) certified by Eppendorf for ULT freezer service (certified warranty services on Eppendorf ULT Freezers only).
- PHCBI (Panasonic Healthcare)coreUltra-Low Temp (ULT) certified by PHCBI for medical, scientific, and pharmaceutical equipment service and warranty work.
- NUAIREcoreUltra-Low Temp (ULT) certified by NUAIRE for biosafety cabinets and laboratory equipment. Certified warranty services provided.
Scale indicators6 records
Recent moves7 records
Expansion highlights5 records
Johnson-Melloh Mechanical competitors and assessment
Company assessmentDirect peers
- Shambaugh & Son: Indiana-headquartered (Fort Wayne) MEP and fire protection contractor with design-build, fabrication, and service capabilities across the Midwest. Closest direct peer given overlapping Indiana base, similar mechanical contracting scope, and comparable customer mix including education and industrial facilities.
- Limbach Holdings: Public specialty contractor delivering HVAC, plumbing, and electrical services plus facility maintenance and energy retrofits. Closely comparable business model (project + recurring service), customer segments (commercial, healthcare, education), and energy-solutions positioning.
- Hagerman Group: Indianapolis-based construction firm with mechanical, electrical, and plumbing capabilities serving healthcare, education, and commercial clients. Same geographic market, similar mid-market project profile, and overlapping customer verticals make it a direct regional peer.
- Brandt Holdings: Privately held MEP services platform built through acquisitions across the Midwest and South. Comparable combination of project-based mechanical contracting and recurring facility service revenue with similar customer mix in healthcare, education, and commercial real estate.
Broad incumbents
- APi Group: Global specialty services and industrial conglomerate with significant HVAC, mechanical, and life-safety service exposure. Competes for similar facility-services contracts but at much larger scale across multiple verticals including the ULT/cold-chain space J-M serves.
- Comfort Systems USA: National HVAC mechanical contracting and service firm serving commercial, industrial, and institutional customers. Directly overlapping offering — design-build HVAC plus recurring service — but at national scale via 40+ operating companies.
- EMCOR Group: Large publicly traded provider of mechanical and electrical construction, energy, and facility services across the U.S. Overlaps on HVAC, plumbing, energy retrofits, and facility maintenance, but operates nationally with much broader capabilities and balance sheet.
- IES Holdings: National provider of electrical and mechanical infrastructure services for commercial, industrial, and data-center customers. Overlaps in MEP contracting, building automation, and energy services but operates at significantly larger scale and broader geographic reach.
Others
- Carrier Global: Global HVAC OEM and building-automation provider; a key technology partner for J-M (Carrier Building Automation Controls experts). Adjacent ecosystem participant rather than direct competitor — provides equipment that J-M designs, installs, and services.
- Daikin Applied: Commercial HVAC OEM where J-M holds VRV PRO Dealer status. As a factory-certified partner, Daikin is an enabling ecosystem participant supplying equipment, training, and warranty support rather than a direct competitor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Johnson-Melloh Mechanical social profiles
Digital presenceJohnson-Melloh Mechanical financial estimates
Financial estimateRevenue estimate
Valuation estimate
Johnson-Melloh Mechanical leadership team
Management profileNumber of profiles
Profiles1 record
Johnson-Melloh Mechanical funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Johnson-Melloh Mechanical M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Johnson-Melloh Mechanical
What does Johnson-Melloh Mechanical do?
Johnson-Melloh Mechanical is a commercial mechanical contractor that designs, installs, and services HVAC, plumbing, refrigeration, boilers, cooling towers, and process piping systems for industrial, healthcare, educational, municipal, and hospitality facilities. It also provides design-build construction, 24/7 on-call service, preventive maintenance contracts, energy-efficiency retrofits, and certified Ultra-Low Temperature equipment service for medical/scientific clients, plus a residential HVAC/plumbing line and proprietary solar and snow-melt product lines.
Is Johnson-Melloh Mechanical a public or private company?
Johnson-Melloh Mechanical is a private company. It is classified as management employee owned and is currently operating.
When was Johnson-Melloh Mechanical founded?
Johnson-Melloh Mechanical was founded in 1976. It employs 51 to 100 people.
Where is Johnson-Melloh Mechanical based?
Johnson-Melloh Mechanical is headquartered in Indianapolis, United States, in the North America region.
How does Johnson-Melloh Mechanical make money?
Four revenue lines are on record. Mechanical Contracting Services are the primary driver. The others are maintenance and Service Contracts, product Solutions and energy Efficiency Consulting.
Who are Johnson-Melloh Mechanical's main competitors?
Direct peers on record are Shambaugh & Son, Limbach Holdings, Hagerman Group and Brandt Holdings. Broad incumbents are APi Group, Comfort Systems USA, EMCOR Group and IES Holdings. Others are Carrier Global and Daikin Applied.
Does Johnson-Melloh Mechanical have an API?
No public API is recorded for Johnson-Melloh Mechanical.
What industry is Johnson-Melloh Mechanical in?
Johnson-Melloh Mechanical's product category is Mechanical Contracting Services. Its primary akta.pro industry code is BPABAAAA, Hard Services (MEP/HVAC, Electrical, Plumbing), with a secondary code of IMAFALAB, HVAC & Refrigeration Contracting. Its NAICS code is 238220.