S.M. Lawrence - Comfort Systems USA

What S.M. Lawrence - Comfort Systems USA does

S.M. Lawrence Company, Inc. is a commercial and industrial mechanical and electrical contractor headquartered in Nashville, Tennessee, with additional offices in Jackson, TN; Olive Branch, MS; and Corinth, MS. The firm provides HVAC, plumbing, electrical, refrigeration, and building automation services to commercial, industrial, hospitality, and institutional customers across Middle and West Tennessee, North Mississippi, and East Arkansas. Founded in 1917 in Jackson, TN, S.M. Lawrence became a founding member of Comfort Systems USA (NYSE: FIX) in 1997 and now operates as a wholly-owned subsidiary within the parent's network of sister companies, drawing on group-level resources, engineering depth, and multi-state project capability.

The company's core technical offering is Comfort Automation Systems (CAS), a custom building automation and integration platform built on industry-standard control partners (Honeywell, Siemens, and Tridium Niagara) with BACnet, LON, and Modbus protocol support, and remote access compatible with Apple and Android devices. This is paired with ComfortCARE 365, a year-round preventative maintenance subscription program offering 24/7 monitoring and support. S.M. Lawrence delivers new construction, renovation/retrofit, and ongoing service work through 50+ licensed and factory-trained HVAC service technicians, supported by in-house design and engineering, sheet metal fabrication, process piping, and welding capabilities.

S.M. Lawrence operates a hybrid revenue model: one-time project revenue from construction and retrofit work, professional-services revenue from repair and emergency service, and recurring subscription revenue from ComfortCARE 365 preventative maintenance contracts. Pricing is not publicly disclosed; the company extends Net 30 credit terms to approved commercial customers, with a 1.5% monthly finance charge on past-due balances. Go-to-market is sales-led via dedicated sales representatives and four regional offices, with marketing support from a corporate website, Facebook, LinkedIn, and search-engine discovery. As a subsidiary of publicly-traded Comfort Systems USA, the company benefits from group-level capabilities and the ability to contribute to larger nationwide projects.

Name

S.M. Lawrence - Comfort Systems USA

Legal name

S.M. Lawrence Company, Inc.

Website

https://smlawrence.com

Company type

Private

Founded year

1917

Operating status

Operating

Headcount range

251–500 employees

Short description

S.M. Lawrence is a 108-year-old commercial and industrial mechanical contractor providing HVAC, plumbing, electrical, refrigeration, and building automation services across Tennessee, Mississippi, and Arkansas. A wholly-owned subsidiary of Comfort Systems USA (NYSE: FIX), the firm operates through four regional offices and 50+ licensed technicians.

Ownership category

akta.pro rank

Headquarters

HQ city

Nashville

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: New construction and renovation/retrofit of HVAC, Mechanical, Electrical, Refrigeration, and Plumbing systems for commercial and industrial facilities. Revenue is project-based and one-time per project.
2. Service and Repair: Maintenance, repair, replacement, and equipment upgrades for existing building systems. Includes emergency service capabilities.
3. Preventative Maintenance Contracts: Customized maintenance programs including ComfortCARE 365 contracts ranging from preventive to full coverage. Creates recurring revenue through service contracts.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

S.M. Lawrence is a commercial and industrial mechanical and electrical contractor providing design, build, and maintain services for HVAC, mechanical, electrical, refrigeration, and plumbing systems. The company delivers new construction, renovation/retrofit, and ongoing maintenance services supported by in-house engineering and 50+ licensed HVAC service technicians across four regional offices. Its flagship offering is the Comfort Automation Systems (CAS) building automation platform integrated with ComfortCARE 365 preventative maintenance contracts.

Product overview

S.M. Lawrence is a commercial and industrial mechanical and electrical contractor offering a comprehensive portfolio of construction and service solutions. The core offerings include Comfort Automation Systems (CAS) for building automation and integration, paired with ComfortCARE 365 maintenance programs. The company provides construction services for new builds and renovation/retrofits, along with ongoing building services covering mechanical/HVAC, plumbing, refrigeration, and electrical systems. Services are delivered through four regional offices in Middle Tennessee, West Tennessee, North Mississippi, and Eastern Arkansas, with in-house engineering, design, and licensed technicians providing a single-source turnkey solution for mechanical and electrical building needs.

Differentiator

Problem solved

Functional benefit

Products and services

• Construction Services New construction and renovation/retrofit services for HVAC, mechanical, electrical, refrigeration, and plumbing systems in commercial and industrial markets, delivered with in-house engineering and project management.
• Mechanical Services (HVAC) HVAC services covering rooftop units, applied systems, chilled water systems, boiler systems, unitary and split systems, VRV and VRF systems, VAVs, fan coils, sheet metal fabrication, and process piping and welding for commercial, industrial, hospitality, and institutional facilities.
• Plumbing Services Comprehensive plumbing services including domestic hot water heaters and boilers, hydro-jet drain cleaning, sewer pipe video inspection, leak detection, seismic valves and bracing, backflow testing, fixture installation, water and sewer line repairs, and lift stations.
• Refrigeration Services Refrigeration equipment services for commercial and industrial facilities including reach-in and walk-in coolers and freezers, ice machines and dispensers, display cases, prep tables, under-counter units, rack systems, and kitchen equipment.
• Comfort Automation Systems (CAS) Custom building automation and integration system featuring Honeywell WEBs-N4 and WEBs-AX platforms, Siemens and Honeywell DDC Controllers, Tridium Niagara framework, BACnet/LON/Modbus protocol drivers, smart building technology, lighting control, remote desktop access, handheld and tablet access, and 24/7 monitoring and support for commercial and industrial buildings.
• Preventative Maintenance Customized preventive maintenance solutions tailored to specific customer needs, providing energy savings, reduced repair costs, improved equipment efficiency, and extended equipment life for commercial and industrial building systems.
• ComfortCARE 365 Comprehensive year-round maintenance and operation program offering preventive to full coverage maintenance contracts with 24/7 monitoring and support services designed to keep building systems running efficiently.
• Retrofit and Replacement Start-to-finish renovation and retrofit solutions including system replacements for existing and occupied buildings, expert project management, emergency and temporary equipment replacement, and building systems analysis for energy efficiency optimization.

Quantifiable outcome

• Energy savings of 5 to 30% can be realized through improved operations and maintenance of building systems

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature4 records

Scale indicators4 records

Recent moves7 records

Expansion highlights4 records

Regional players

• Lee Company: Tennessee-based mechanical, electrical, plumbing, and building services contractor serving commercial, industrial, and institutional customers. Direct comparable as a regional MEP firm with a similar service portfolio (HVAC, plumbing, electrical, building automation) and overlapping Tennessee geography.

Broad incumbents

• EMCOR Group: NYSE-listed national leader in mechanical and electrical construction, building services, and industrial solutions. Comparable as a top-tier mechanical contractor offering HVAC, plumbing, electrical, and facility services across the U.S., though at vastly larger scale and broader geography.
• API Group: NYSE-listed provider of safety, specialty, and industrial services including HVAC, mechanical, and building automation through its specialty services platform. Comparable as a diversified mechanical services holding company that competes for similar commercial and industrial facility work.

Direct peers

• Limbach Holdings: Publicly traded specialty mechanical contractor providing HVAC, plumbing, building automation, and energy services to commercial and institutional customers. Closely comparable business model with strong building automation and recurring service revenue emphasis.
• IES Holdings: Publicly traded electrical and mechanical contractor delivering commercial and industrial solutions including HVAC, plumbing, and building automation. Comparable in scope and customer segments, though with greater electrical contracting tilt.
• TDIndustries: Employee-owned mechanical contractor providing HVAC, plumbing, electrical, and building automation services across the South-Central U.S. Comparable in service portfolio and customer base, though concentrated in Texas rather than the Midsouth.

Emerging players

• MSS Solutions: Mid-Atlantic mechanical services contractor offering HVAC, plumbing, and building automation to commercial and industrial clients. Comparable as a regional MEP and building services peer with similar recurring service model.
• Bowman Mechanical Services: Regional mechanical contractor providing HVAC, plumbing, and facility services across the Mid-South. Comparable as a similarly-sized regional competitor with overlapping service offerings.

Others

• Trane Technologies: Global HVAC equipment manufacturer and building automation provider whose Trane/American Standard controls and equipment are installed and serviced by S.M. Lawrence. Comparable as the upstream OEM whose products the company integrates and services.
• Carrier Global: Global HVAC, refrigeration, and building automation OEM whose products are commonly serviced by mechanical contractors like S.M. Lawrence. Comparable as a primary equipment supplier and indirect competitor in building automation.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/smlawrenceco
• LinkedInlinkedin.com/company/sm-lawrence-co-nashville

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 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 S.M. Lawrence - Comfort Systems USA