Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC
S.M. Lawrence Company is a 100+ year-old mechanical and sheet metal contractor delivering HVAC, plumbing, electrical, refrigeration, and building automation services to commercial and industrial customers across Tennessee, Mississippi, and Arkansas via four regional offices; it operates as a wholly-owned subsidiary of Comfort Systems USA (NYSE: FIX).
- Company typePrivate
- Founded1917
- HeadquartersNashville, Tennessee, United States
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC does
S.M. Lawrence Company, Inc. is a 100+ year-old mechanical and sheet metal contractor that provides integrated HVAC, plumbing, electrical, refrigeration, and building automation services to commercial and industrial customers across Middle and West Tennessee, North Mississippi, and Eastern Arkansas. The company operates from four regional offices (Nashville, Jackson, Olive Branch/Memphis, Corinth) and serves verticals including healthcare, manufacturing, hospitality, government/institutional, multi-family residential, and food service/warehousing. Service delivery spans design, construction, retrofit, and ongoing maintenance, with the proprietary ComfortCARE 365 subscription maintenance program and the Comfort Automation Systems (CAS) platform — built on Honeywell WEBs-N4/AX, Siemens DDC, and Tridium Niagara with BACnet/LON/Modbus protocol support — as the two branded differentiators.
The business operates as a wholly-owned subsidiary of Comfort Systems USA (NYSE: FIX), having joined the parent as a founding member in 1997, while retaining independent regional operations and brand identity. Revenue is generated through a mix of project-based construction services and recurring managed-services/maintenance contracts (ComfortCARE 365), with pricing on Net 30 commercial terms and an annual billing cadence for preventative maintenance programs. The technology stack combines in-house sheet metal fabrication, process piping and welding capabilities, and licensed in-house engineering for design-build-maintain single-source delivery. Go-to-market is direct B2B field sales through the four offices, supported by online service request and new customer application forms, LinkedIn/Facebook presence, and a Workday-hosted careers portal under the Comfort Systems USA recruiting infrastructure. No AI/ML capabilities, proprietary software products, or disclosed revenue figures were identified in the source material.
Note: The input labels the subject as "Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC" with 5 employees, but every substantive data block describes S.M. Lawrence Company, Inc. — a four-office Comfort Systems USA subsidiary with 50+ licensed HVAC technicians. This mismatch is treated as a data-entity error; analysis above is grounded in the substantive S.M. Lawrence records.
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC firmographics
Firmographics- Name
- Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC
- Legal name
- S.M. Lawrence Company, Inc.
- Website
- https://dillinghamsmith.com
- Company type
- Private
- Founded year
- 1917
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- S.M. Lawrence Company is a 100+ year-old mechanical and sheet metal contractor delivering HVAC, plumbing, electrical, refrigeration, and building automation services to commercial and industrial customers across Tennessee, Mississippi, and Arkansas via four regional offices; it operates as a wholly-owned subsidiary of Comfort Systems USA (NYSE: FIX).
- Ownership category
- akta.pro rank
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC industry classification
Industry- Product category
- Mechanical Contracting Services
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (238220), Sheet Metal Work Manufacturing (332322)
- SIC
- Sheet Metal Work (3444)
- akta.pro primary industry
- HVAC & Refrigeration Contracting (IMAFALAB)
- akta.pro secondary industries
- Sheet Metal & Ductwork Contracting (IMAFALAH), Plumbing & Pipefitting Contracting (IMAFALAC), Industrial/Process Piping & Mechanical Contracting (IMAFALAG)
Keywords
Where Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC is headquartered
LocationHeadquarters
- HQ city
- Nashville, Tennessee
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales, Technology or R&D
Revenue model
- Construction Services: Design, build, and construction of HVAC, mechanical, electrical, refrigeration, and plumbing systems for new construction and renovation/retrofit projects. Includes in-house design capabilities from licensed professionals.
- Building Services and Maintenance: Ongoing maintenance, service, and support for commercial and industrial facilities including HVAC, plumbing, refrigeration, and building automation. Customized maintenance programs like ComfortCARE 365.
- Retrofit and Replacement: System replacements and upgrades for existing and occupied buildings, including emergency and temporary equipment replacement. Expert project management for renovation projects.
- Service and Repair: 24/7 emergency service, preventative maintenance, and repair services for commercial and industrial equipment across multiple trades (HVAC, electrical, plumbing, refrigeration).
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Preventative Maintenance Programs |
Go-to-market motion2 records
Distribution channels1 record
Marketing channels5 records
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC product offering
Product offeringCore offering
Dillingham & Smith Mechanical and Sheet Metal Contractors provides design, construction, installation, maintenance, retrofit, and replacement services for HVAC, plumbing, electrical, refrigeration, and process piping systems serving commercial and industrial markets. The company delivers single-source mechanical solutions including custom sheet metal fabrication and Comfort Automation Systems (CAS) building automation integration. Operations are supported through multiple regional offices with direct field service teams and licensed technicians.
Product overview
S.M. Lawrence is a mechanical and sheet metal contractor offering integrated design, build, and maintenance services for commercial and industrial facilities. The company provides a single-source solution combining HVAC, electrical, plumbing, refrigeration, and building automation systems. Core offerings include ComfortCARE™ maintenance programs and Comfort Automation Systems (CAS) for building control, supported by specialized services such as sheet metal fabrication, process piping, and welding. The company operates four office locations serving Middle Tennessee, West Tennessee, North Mississippi, and Eastern Arkansas.
Differentiator
Problem solved
Functional benefit
Brands
- ComfortCARE 365: Maintenance and operation program contracts offering preventive to full coverage maintenance services.
- Comfort Automation Systems (CAS)
Products and services
- ComfortCARE Maintenance Program Customized maintenance and operation program offering preventive to full-coverage contracts designed to improve equipment reliability, energy efficiency, and indoor air quality while reducing maintenance downtime for commercial and industrial facilities.
- Comfort Automation Systems (CAS) Custom building automation and integration system featuring Honeywell WEBs-N4 and WEBs-AX, Siemens and Honeywell DDC controllers, BACnet/LON/Modbus protocol support, and mobile access via Apple and Android devices.
- HVAC Construction and Service Design, construction, installation, retrofit, replacement, and maintenance of HVAC systems including rooftop units, applied systems, chilled water systems, boiler systems, VRV/VRF systems, and unitary/split systems for commercial and industrial markets.
- Plumbing Services Complete plumbing services including domestic hot water heaters, hydro-jet drain cleaning, sewer pipe video inspection, leak detection, backflow testing, fixture installation, and specialized services for hydronic steam, natural gas, and medical gas systems.
- Refrigeration and Kitchen Equipment Services Installation, service, and maintenance of commercial refrigeration equipment including reach-in coolers/freezers, walk-in coolers/freezers, ice machines, display cases, and rack systems for restaurants, retail, and industrial warehouses.
- Electrical Services Full-service electrical capabilities including installation, retrofits, repairs, and upgrades for commercial and industrial facilities.
- Sheet Metal Fabrication Custom sheet metal fabrication capabilities for HVAC systems, ductwork, and specialized metal components for commercial and industrial applications.
- Process Piping and Welding Services Process piping, welding services including steam specialties, gas piping, air lines, stainless welding, and Pro Press installations for industrial applications.
- Building Services Comprehensive building maintenance and service solutions covering ongoing support, occasional service, and customized maintenance programs to optimize equipment performance and maintain design efficiency.
- Retrofit and Replacement Services Start-to-finish solutions for renovation and retrofit projects, including system replacements for existing and occupied buildings, expert project management, emergency and temporary equipment replacement, and building systems analysis.
Quantifiable outcome
- Energy savings of 5 to 30% can be realized through improved operations and maintenance of building systems (per U.S. Department of Energy and BOMA)
Companies that use Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC
Customer profileNamed customers10 records
Segments6 records
Ideal customer profiles3 records
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core.
- Comfort Systems USAcoreS.M. Lawrence joined Comfort Systems USA in 1997 as a founding member. As part of Comfort Systems USA's network of sister companies, S.M. Lawrence has access to resources and capabilities across the United States. The company operates under shared core values with Comfort Systems USA (Be Safe, Be Honest, Be Respectful, Be Innovative, Be Collaborative) and benefits from the national presence and brand recognition of the parent company.
- HoneywellcoreTechnology partner for building automation systems. S.M. Lawrence's Comfort Automation Systems (CAS) utilize Honeywell WEBs-N4 and WEBs-AX platforms, along with Honeywell DDC controllers. They are part of the controlled partner ecosystem for Honeywell building automation solutions.
- SiemenscoreTechnology partner for building automation systems. S.M. Lawrence's Comfort Automation Systems (CAS) utilize Siemens DDC controllers as part of their smart building technology offerings.
Scale indicators3 records
Recent moves4 records
Expansion highlights5 records
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC competitors and assessment
Company assessmentRegional players
- Murphy Company: Murphy Company is a regional mechanical contractor serving the commercial and industrial market with HVAC, plumbing, process piping, and sheet metal fabrication. It is comparable to S.M. Lawrence in service mix and target verticals, though operating in a different geography.
- Lee Company: Lee Company is a Nashville-based mechanical and building services contractor serving Middle Tennessee. It directly competes with S.M. Lawrence in the Nashville commercial and industrial market with overlapping HVAC, plumbing, and electrical services.
Direct peers
- Limbach Holdings: Limbach Holdings is a publicly traded mechanical contractor providing HVAC, plumbing, and building automation design, build, and service across commercial and institutional markets. It is directly comparable to S.M. Lawrence in service mix, target verticals, and recurring maintenance revenue focus.
- Comfort Systems USA (other subsidiaries): Comfort Systems USA operates a network of mechanical and electrical contracting subsidiaries across the U.S. Sibling subsidiaries in other regions share the same business model, technology partnerships, and customer verticals as S.M. Lawrence.
- IES Holdings: IES Holdings is a publicly traded electrical and mechanical contractor providing installation and service for commercial, industrial, and residential markets. It is a direct peer in the multi-trade design-build-maintain model.
- Service Logic: Service Logic is a privately held provider of HVAC, plumbing, and mechanical services for commercial and industrial facilities with a recurring service focus. Its multi-region service model and maintenance contract business directly parallel S.M. Lawrence's building services.
Broad incumbents
- Trane Technologies: Trane Technologies is a global HVAC and building systems manufacturer with a significant service and controls business. Its building automation and service business overlaps with S.M. Lawrence's Comfort Automation Systems and HVAC maintenance offerings.
- EMCOR Group: EMCOR Group is a large publicly traded mechanical and electrical construction and facilities services firm with nationwide operations. It competes with S.M. Lawrence on multi-trade commercial and industrial projects and is a broad incumbent in the same space.
- Carrier Global: Carrier Global is a large global HVAC equipment manufacturer and service provider. While primarily a manufacturer, its service and controls businesses overlap with S.M. Lawrence's equipment installation, maintenance, and building automation offerings.
- APi Group: APi Group is a large publicly traded provider of safety, specialty, and industrial services with a significant mechanical services segment. Its service and maintenance offerings overlap with S.M. Lawrence's recurring service revenue model.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC social profiles
Digital presenceDillingham & Smith Mechanical and Sheet Metal Contractors, LLC financial estimates
Financial estimateRevenue estimate
Valuation estimate
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC leadership team
Management profileNumber of profiles
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC 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 Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC
What does Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC do?
Dillingham & Smith Mechanical and Sheet Metal Contractors provides design, construction, installation, maintenance, retrofit, and replacement services for HVAC, plumbing, electrical, refrigeration, and process piping systems serving commercial and industrial markets. The company delivers single-source mechanical solutions including custom sheet metal fabrication and Comfort Automation Systems (CAS) building automation integration. Operations are supported through multiple regional offices with direct field service teams and licensed technicians.
Is Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC a public or private company?
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC founded?
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC was founded in 1917. It employs 1 to 10 people.
Where is Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC based?
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC is headquartered in Nashville, Tennessee, United States, in the North America region.
How does Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC make money?
Four revenue lines are on record. Construction Services are the primary driver. The others are building Services and Maintenance, retrofit and Replacement and service and Repair.
Who are Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC's main competitors?
Regional players on record are Murphy Company and Lee Company. Direct peers are Limbach Holdings, Comfort Systems USA (other subsidiaries), IES Holdings and Service Logic. Broad incumbents are Trane Technologies, EMCOR Group, Carrier Global and APi Group.
Does Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC have an API?
No public API is recorded for Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC.
What industry is Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC in?
Dillingham & Smith Mechanical and Sheet Metal Contractors, LLC's product category is Mechanical Contracting Services. Its primary akta.pro industry code is IMAFALAB, HVAC & Refrigeration Contracting, with a secondary code of IMAFALAH, Sheet Metal & Ductwork Contracting. Its NAICS code is 238220 and its SIC code is 3444.