W.W. Gay Mechanical Contractor

What W.W. Gay Mechanical Contractor does

W.W. Gay Mechanical Contractor, Inc. is a privately held, full-service mechanical contractor founded in 1962 by William Wiley Gay and headquartered in Jacksonville, Florida. The company designs, installs, services, and maintains HVAC, plumbing, building automation/controls, Test & Balance, and industrial mechanical systems for healthcare, education, government, commercial, industrial, and entertainment clients across Florida and Georgia via nine regional offices and a 400+ vehicle fleet. Core capabilities include in-house BIM-driven prefabrication with clash detection and MEP coordination, NEBB-certified Test & Balance, and a Controls and Integration practice built on the Niagara 4 framework, integrating multi-vendor building automation brands (KMC, Honeywell, Johnson Controls FX, Belimo) into unified monitoring, scheduling, and energy management platforms. The firm employs 1,200+ skilled trades personnel across 20+ local union partnerships and maintains bonding capacity of $100M single project / $350M aggregate, with an EMR safety rating of 0.59.

Revenue is generated through three streams: (1) project-based Plan & Spec mechanical construction for new builds and renovations; (2) 24/7 emergency HVAC and plumbing services on a reactive, professional-services basis; and (3) recurring yearly service agreements and preventative maintenance programs. Go-to-market is enterprise field sales, executed via direct engagement with general contractors, owners, architects, and facility managers. Customers include Baptist Health (50+ years), Florida Power & Light, Mayo Clinic, HCA Florida, UF Health, Fidelity National Information Services, Anheuser-Busch Jacksonville Brewery, PGA Tour, University of Florida Athletic Association, the Florida Department of Transportation, and Flagler College. Under CEO Paul Jones (since January 2021), the company remains privately held with no disclosed institutional investors.

Name

W.W. Gay Mechanical Contractor

Legal name

W.W. Gay Mechanical Contractor, Inc.

Website

https://wwgmc.com

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

251–500 employees

Short description

W.W. Gay Mechanical Contractor is a privately held, full-service mechanical contractor founded in 1962 in Jacksonville, FL, providing HVAC, plumbing, controls, Test & Balance, and industrial services across nine offices in Florida and Georgia, primarily to healthcare, education, government, commercial, and industrial enterprise clients.

Ownership category

akta.pro rank

Product category

Mechanical Contracting Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Building Equipment Contractors (2382)

SIC

Construction - Special Trade Contractors (1700)

akta.pro primary industry

HVAC & Refrigeration Contracting (IMAFALAB)

akta.pro secondary industries

Plumbing & Pipefitting Contracting (IMAFALAC), Industrial/Process Piping & Mechanical Contracting (IMAFALAG)

Keywords

• Commercial HVAC services
• Mechanical contracting
• Industrial plumbing services
• Building automation controls
• Test and balance services

Headquarters

HQ city

Jacksonville

HQ country

United States

HQ region

North America

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Mechanical Contracting Services: Project-based revenue from HVAC and plumbing installation for new construction and renovation projects. Services span design-assist, installation, and maintenance of mechanical systems for commercial, industrial, healthcare, government, and educational facilities.
2. 24/7 Emergency Services: Round-the-clock HVAC and plumbing emergency services for existing clients, providing reactive maintenance and repair services on an as-needed basis.
3. Service Agreements and Preventative Maintenance: Yearly service agreements and preventative maintenance programs tailored to maintain optimal system performance for commercial and industrial clients.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

W.W. Gay Mechanical Contractor is a full-service mechanical contractor providing commercial and industrial HVAC installation, repair, and maintenance; plumbing services; building automation controls integration via the Niagara 4 framework; NEBB-certified Test and Balance (TAB); in-house fabrication with BIM; and industrial millwright, boilermaker, and ironworker services. The company delivers project-based Plan & Spec work, preventative maintenance agreements, and 24/7 emergency services through nine office locations across Florida and Georgia.

Product overview

W.W. Gay Mechanical Contractor is a full-service mechanical contractor offering integrated HVAC, plumbing, controls, and specialty system solutions. The company operates as a unified service portfolio organized around five core service areas: Plumbing Services (maintenance, repairs, diagnostics, camera inspections, 24/7 emergency), HVAC Services (installation, repair, replacement, maintenance), Controls Services (building automation using Niagara 4 framework with KMC/Honeywell/JCI/Belimo integration), Test and Balance Services (NEBB-certified air and hydronic testing), and Industrial Services (millwrights, boilermakers, ironworkers, fabrication). Supporting these are Pre-Construction Services, Fabrication Services with BIM capabilities, Plan & Spec project delivery, and Preventative Maintenance Programs. The company also provides 24/7 emergency services and operates a fleet of over 400 vehicles with crane and construction equipment.

Differentiator

Problem solved

Functional benefit

Products and services

• HVAC Services Full-service HVAC installation, repair, replacement, and maintenance for commercial, industrial, healthcare, government, and educational facilities, with custom maintenance and service agreements.
• Plumbing Services Commercial and industrial plumbing services including maintenance, repairs, diagnostics, pipe replacements, camera inspections, high-pressure pipe cleaning, and 24-hour emergency response.
• Controls Services Building automation services integrating HVAC, Lighting, and Security systems using the Niagara 4 framework with KMC, Honeywell, JCI, and Belimo controls; delivers web-based monitoring, scheduling, critical alarms, and energy management dashboards.
• Test and Balance (TAB) Services NEBB-certified air and hydronic testing services that verify building mechanical system operation, including fire damper inspections and kitchen hood testing, to improve occupant comfort and energy efficiency.
• Industrial Services Industrial division delivering millwright, boilermaker, carpenter, ironworker, machinery erector, equipment operator, and instrumentation services, plus carpentry, steel fabrication and erection, and precast/tilt-up services.
• Pre-Construction Services Pre-construction support including budget assistance, logistics planning, and collaboration with owners and engineers from project concept through construction start.
• Fabrication Services In-house fabrication powered by BIM capabilities that perform clash detection and MEP coordination, producing prefabricated piping and complete assemblies in a controlled environment with just-in-time delivery.
• Plan & Spec Services Comprehensive mechanical, plumbing, and specialty system solutions for complex, large-scale projects across healthcare, entertainment, government, education, commercial, and industrial sectors, partnered with general contractors from concept through completion.
• Preventative Maintenance Programs Yearly service agreements and preventative maintenance programs tailored to maintain optimal system performance for HVAC and plumbing systems across commercial and industrial client facilities.
• 24/7 Emergency Services Round-the-clock emergency HVAC and plumbing services available 24 hours a day, 7 days a week across all service areas in Florida and Georgia.

Quantifiable outcome

• EMR Rating of 0.59 - below industry average indicating strong safety performance
• +2 more outcomes

Named customers12 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature3 records

Partnerships

16 partnerships are on record, tiered core and minor.

• Plumbers & Pipefitters Local 123coreStrategic or Co-development PartnerUnion partnership for employing field teams. Company is a union contractor actively contributing to the growth of local union apprentices through on-the-job training and benefits contributions.
• Plumbers & Pipefitters Local 234coreStrategic or Co-development PartnerUnion partnership with Paul Jones serving as Trustee for Local 234 Plumbers and Pipefitters. Active partnership for workforce development and employment.
• Plumbers & Pipefitters Local 803coreStrategic or Co-development PartnerPaul Jones serves as Chairman of the Board of Trustees for Local 803 Health and Welfare and Pension Fund. Deep partnership for workforce and benefits management.
• Boilermakers Locals 26 and 433coreStrategic or Co-development PartnerUnion partnerships for employing field teams in industrial division including millwrights, boilermakers, and machinery erectors.
• Carpenters Local 256, 702, 1809, 1905coreStrategic or Co-development PartnerUnion partnerships for employing field teams. Company contributes to local union apprentices' growth through daily on-the-job training.
• Ironworkers Local 272, 397, 402, 597, 709, 808coreStrategic or Co-development PartnerMultiple ironworker union partnerships for employing field teams including equipment operators and instrumentation professionals.
• Millwrights Local 1000 and 1263coreStrategic or Co-development PartnerUnion partnerships for millwright services supporting industrial division with machinery erectors and precision installation.
• Plumbers & Pipefitters Local 177, 188, 295, 630coreStrategic or Co-development PartnerAdditional plumber and pipefitter union partnerships across Florida and Georgia markets for field team employment.
• Dreams Come TruecoreOthersNearly twenty-year partnership bringing joy, hope, and unforgettable memories to children in Northeast Florida facing life-threatening medical conditions.
• Vision Is PricelesscoreOthersOver four decades of advocacy for vision health. Partnership began in 1978 when founder William W. Gay began supporting the organization. W.W. Gay served as presenting sponsor of inaugural BBQ & Western fundraiser in 1983.
• Miller ElectricminorGTM or Marketing PartnerCo-hosted the inaugural BBQ & Western fundraiser benefiting Prevent Blindness Northeast Florida Chapter in 1983.
• City Rescue Mission (CRM)coreOthersLongstanding relationship with CRM providing meals, shelter, and recovery programs to those experiencing homelessness since 1946. Company sponsors fundraising events, contributes to donation drives, and provides volunteer service.
• Sidewalk MinistriescoreOthersLong-standing and deeply personal partnership. Company founder Mr. Bill Gay was the first business supporter. Tom Smith, President & COO, serves on the Board of Sidewalk Ministries.
• Junior Achievement of North FloridacoreOthersOver 60 years of involvement supporting JA's mission to empower students with financial literacy, work readiness, and entrepreneurial skills. Paul Jones served a three-year term on the Board of Directors (2018-2022).
• Jacksonville Chamber of CommercecoreGTM or Marketing PartnerPaul Jones serves as member of the Board of Directors for Jacksonville Chamber of Commerce.
• United Community BankminorGTM or Marketing PartnerPaul Jones serves as Advisory Board Member for United Community Bank.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Lee Company: Multi-trade mechanical, plumbing, and electrical contractor based in Tennessee serving commercial, healthcare, and industrial clients regionally. Highly analogous business model: design-build, plan-and-spec, service, controls; comparable employee ownership culture; similar bonding and scale profile to W.W. Gay.
• Limbach Holdings: Publicly traded specialty mechanical services contractor focused on HVAC, plumbing, and building controls for institutional and commercial clients. Same core service stack (HVAC, plumbing, controls, TAB) and similar institutional-client orientation, with operational scale comparable to W.W. Gay's plan-and-spec business.
• TDIndustries: Employee-owned mechanical/plumbing contractor headquartered in Dallas, serving commercial, industrial, healthcare, and government clients across the Southwest and Southeast. Directly comparable in scale (~$1B+ revenue, ~1,500+ employees), service mix (HVAC, plumbing, controls, service), union status, and emphasis on long-tenured institutional relationships.
• Way Mechanical: Texas-based mechanical contractor providing HVAC, plumbing, and service for commercial, healthcare, government, and industrial clients. Similar service mix and regional institutional focus to W.W. Gay's Florida/Georgia footprint.
• Southland Industries: National mechanical contractor offering HVAC, plumbing, and controls with deep fabrication and BIM capabilities — directly comparable to W.W. Gay's in-house fabrication, BIM, and design-assist model. Same institutional and healthcare focus.
• Riddleberger Brothers: Virginia-based full-service mechanical contractor serving commercial, industrial, healthcare, and institutional clients in the Mid-Atlantic/Southeast. Comparable service breadth (HVAC, plumbing, sheet metal, service, controls), regional mid-scale footprint, and union/open-shop hybrid workforce model.

Broad incumbents

• EMCOR Group: Largest publicly traded mechanical/electrical services conglomerate ($13B+ revenue) providing HVAC, plumbing, electrical, and facilities services. W.W. Gay's HVAC, plumbing, controls, and service portfolio overlaps with major EMCOR subsidiaries, though W.W. Gay is far more regionally concentrated.
• APi Group: Public safety and specialty services holding company that has built a sizable mechanical and HVAC services platform through acquisitions (e.g., Carrier Enterprise, Tampa-based acquisitions). Competes for institutional mechanical work in Florida but operates as a diversified portfolio rather than a regional mechanical specialist.
• Comfort Systems USA: Large publicly traded national mechanical contractor with $5B+ revenue across HVAC, plumbing, and modular services. Operates through regional operating companies with similar service offerings to W.W. Gay, but at much larger consolidated scale and broader geographic reach.

Emerging players

• BGIS: Global facility management and building services provider expanding its HVAC/mechanical service offerings in North America. Adjacent to W.W. Gay's service-agreement business with overlap on preventative maintenance and 24/7 emergency response for institutional clients.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 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 W.W. Gay Mechanical Contractor