J. J. White

What J. J. White does

J. J. White, Inc. is a privately held, single-source multi-trade construction contractor founded in 1920 and headquartered in Philadelphia, Pennsylvania. The company self-performs general construction, mechanical construction, HVAC, electrical and solar, tank construction and repair, hydroblasting, in-house pipe fabrication, and rotating equipment services for industrial, pharmaceutical, healthcare, institutional, and commercial clients. Operations span the Mid-Atlantic, Northeast (Boston), and Midwest (Indiana) regions from offices in Philadelphia, New Castle (Delaware), Whiting (Indiana), and Boston.

The company's core technology platform is a self-performed union workforce supported by an in-house fabrication shop producing over 100,000 Diameter Inches of fabrication per year with up to 42-inch diameter piping and a dedicated Sanitary Orbital shop. Specialized service groups include a Hydroblasting Group capable of 10k–40k psi water cleaning and tube bundle extraction (up to 104-inch diameter, 30 tons), an API 650/653 Tank Group with three certified API 653 inspectors and capabilities for tanks up to 220 feet in diameter, an Electrical & Solar Group partnered with TerraSol Energies, and a Rotating Equipment service for compressors, pumps, fans, and turbines. Safety credentials — OSHA VPP Star designation since 2009, ASME Code Stamps, ConstructSecure Gold Safety Award, and a Total Recordable Incident Rate below 0.40 for 15+ years — function as regulatory gating mechanisms for refinery, pharmaceutical, and federal work.

Revenue is generated through fixed-price, cost-plus, and time-and-materials project contracts plus recurring maintenance agreements (e.g., Customized Service Maintenance Agreements with 24/7 service). Pricing is project-based and not publicly disclosed; work is secured through competitive bidding, blanket subcontracts, and long-term maintenance relationships with enterprise and institutional clients. The company holds no outside funding, has no parent company, and operates as an independent corporation under President & CEO Jim Daley (with Adam Stashick identified in a separate leadership record).

Name

J. J. White

Legal name

J.J. White, Inc.

Website

https://jjwhiteinc.com

Company type

Private

Founded year

1920

Operating status

Operating

Headcount range

101–250 employees

Short description

J. J. White, Inc. is a Philadelphia-based, privately held single-source multi-trade construction contractor founded in 1920, serving industrial, pharmaceutical, healthcare, institutional, and commercial clients across the Mid-Atlantic, Northeast, and Midwest with self-performed mechanical, HVAC, electrical, tank, hydroblasting, fabrication, and rotating equipment services.

Ownership category

akta.pro rank

Product category

Industrial Construction & Mechanical Contracting Services

NAICS

Building Equipment Contractors (2382), Other Building Equipment Contractors (23829)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540), Construction - Special Trade Contractors (1700), Electrical Work (1731)

akta.pro primary industry

Self-Performing General Contractors (IMAFAAAI)

akta.pro secondary industries

Commercial General Contracting (New Build) (IMAFAAAA), HVAC & Refrigeration Contracting (IMAFALAB)

Keywords

• Multi-trade construction
• Industrial contracting
• Mechanical construction services
• HVAC and facilities maintenance
• Tank and hydroblasting services

Headquarters

HQ city

Philadelphia

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. General Construction Services: Project-based construction services spanning commercial, institutional, and industrial sectors. Revenue is earned through fixed-price contracts, cost-plus contracts, and time-and-materials arrangements for new construction, renovation, and retrofit projects. Single-source accountability means JJ White contracts for complete facilities requiring both civil and mechanical disciplines.
2. HVAC Services & Facilities Maintenance: Ongoing maintenance and emergency services for HVAC systems. Revenue generated through Customized Service Maintenance Agreements (CSMA), emergency service calls, capital project work, and 24/7 service provision.
3. Hydroblasting / Exchanger Services: High-pressure water services for heat exchangers, condensers, vessels, and industrial cleaning. Services are project-based, traveling throughout North America to job sites. Includes exchanger extraction, cleaning, hydro-cutting, and tank demolition.
4. Tank Group Services: Construction, repair, and modification of aboveground storage tanks per API 650/653 and AWWA codes. Services include design/build of new tanks, API 653 certified repairs, emergency mobilization, and full tank revamps. Mobile foreman teams equipped to respond to leak repairs at customer sites.
5. Electrical & Solar Services: Electrical installations, troubleshooting, routine maintenance, calibration, and solar panel/inverter installation. Revenue generated through project contracts and ongoing maintenance relationships.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

J. J. White Inc. is a single-source multi-trade construction contractor that self-performs general construction, mechanical, HVAC, electrical (including solar), tank construction and repair (API 650/653), high-pressure hydroblasting, rotating equipment services, construction management, and in-house fabrication for industrial, pharmaceutical, healthcare, institutional, and commercial clients. The company delivers turnkey accountability across civil and mechanical disciplines using its own workforce and fabrication facilities serving the Mid-Atlantic, Northeast/New England, and Midwest regions.

Product overview

J. J. White Inc. is a single-source, multi-trade construction contractor founded in 1920, offering a comprehensive portfolio of construction and maintenance services. The company operates nine core service divisions: Construction Management, Hydroblasting Group, General Construction, HVAC Services, Mechanical Construction, Tank Group, Electrical & Solar, Fabrication Shop, and Rotating Equipment. These divisions work together to provide clients with turnkey responsibility for projects requiring both civil and mechanical disciplines, with single-source accountability, flexible scheduling, and on-time completion. The company maintains its own fabrication shop and workforce, and serves pharmaceutical, commercial, industrial, and institutional sectors across the Mid-Atlantic, Northeast, and Midwest regions.

Differentiator

Problem solved

Functional benefit

Products and services

• Construction Management Construction Management services including estimating, value engineering, purchasing, project evaluation, claims avoidance programs, and risk management, delivered by supervisors with an average of 20 years of experience. The service is for commercial, industrial, institutional, and pharmaceutical clients.
• General Construction Full-service general construction for industrial and civil projects ranging from 7,500 to 750,000 square feet across educational, pharmaceutical, healthcare, and commercial sectors. Provided through JJ White's largest full-time workforce in the Mid-Atlantic region.
• Mechanical Construction Mechanical construction services for pharmaceutical, commercial, industrial, and institutional sectors providing turnkey responsibility for complete facilities with both civil and mechanical disciplines, using JJ White's own workforce and fabrication shop.
• HVAC Services Design, installation, and service of HVAC systems including central chilled water plants, air conditioning, heating and ventilation systems, pneumatic control systems, and customized service maintenance agreements (CSMA) with 24/7 emergency services for commercial, institutional, and industrial clients.
• Electrical & Solar Electrical installations, troubleshooting, and maintenance for power distribution, switchgear, control panels, motor control centers, fire alarm systems, security systems, communication cable, and solar panel/inverter installations for commercial and industrial clients.
• Tank Group API tank construction, repair, and maintenance services including design, fabrication, and erection of API 650 tanks up to 220 feet diameter, AWWA water storage tanks, and API 653 certified repair work including leak repairs and full tank revamps for refineries, terminals, and energy clients.
• Hydroblasting Group High-pressure water washing services for heat exchangers and condensers, hydro-cutting, vessel and line cleaning, concrete deconstruction, and industrial/commercial cleaning at 10k-40k psi, with remote-operated tube bundle extraction up to 104-inch diameter and 30 tons. Services include exchanger cleaning, hydro-cutting, and tank demolition for refinery, petrochemical, and industrial clients.
• Fabrication Shop In-house fabrication shop producing over 100,000 Diameter Inches of fabrication per year, with piping up to 42-inch diameter and a Sanitary Orbital shop for specialized sanitary piping applications, delivering custom fits for JJ White construction projects.
• Rotating Equipment Services for compressors, pumps, fans/blowers, and turbines including 24/7 emergency services, preventative maintenance, precision installation, alignments, troubleshooting, and inspections for industrial and process clients.

Quantifiable outcome

• Total Recordable Incident Rate (TRIR) of less than 0.40 over the last 15 years
• +8 more outcomes

Named customers34 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core and minor.

• TerraSol Energies, Inc.coreStrategic or Co-development PartnerJJ White partners with TerraSol Energies, Inc. for solar installation projects. TerraSol provides solar design, engineering, and project development expertise while JJ White handles electrical installation, solar panel mounting, and construction execution. Partnership has produced multiple solar carport projects including Atlantic City Solar Carports. TerraSol references JJ White as a trusted construction partner for electrical and solar work.
• SunPowerminorStrategic or Co-development PartnerSunPower partnered with TerraSol Energies and JJ White on the Atlantic City Solar Carports project. SunPower provided efficient solar panels as part of the three-way partnership. JJ White handled electrical work and panel/inverter installation.

Scale indicators13 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Limbach Holdings: Public multi-trade mechanical, electrical, and plumbing contractor serving commercial, institutional, and industrial end markets. Closest comparable in self-perform MEP model, healthcare/education focus, and regional service-area overlap with JJ White's Mid-Atlantic operations.
• Comfort Systems USA: National mechanical and HVAC services contractor operating across commercial, industrial, and institutional segments. Directly comparable in HVAC/mechanical self-perform model, recurring maintenance revenue mix, and multi-trade service delivery that mirrors JJ White's core divisions.
• IES Holdings: Electrical and mechanical infrastructure services provider with commercial, industrial, and residential exposure. Directly comparable in electrical-mechanical integration, regional service model, and similar customer profile in healthcare, industrial, and institutional markets.
• Matrix Service Company: Industrial contractor specializing in storage tank terminals, refinery work, and process facility construction. Closest peer to JJ White's Tank Group and Hydroblasting Group given direct overlap on API 650/653 tank construction and refinery turnaround services.
• MYR Group: Specialty electrical contractor serving transmission, distribution, and commercial/industrial markets. Overlaps directly with JJ White's Electrical & Solar division on commercial electrical work, switchgear, and industrial power installations.
• BrandSafway: Industrial services company providing scaffolding, insulation, coatings, and specialty mechanical services to refineries, chemical plants, and power facilities. Overlaps with JJ White's industrial maintenance, rotating equipment, and turnaround work in petrochemical end markets.
• Team Inc. Provider of specialty industrial services including inspection, heat treatment, and mechanical services to refineries and process plants. Comparable in recurring refinery/petrochemical maintenance scope and complementary to JJ White's hydroblasting and rotating equipment offerings.

Broad incumbents

• EMCOR Group: Largest publicly traded mechanical and electrical construction, facilities, and energy services firm in the U.S. Overlaps substantially with JJ White across pharma, healthcare, industrial, and commercial work and is the primary national incumbent JJ White competes against on enterprise accounts.
• Quanta Services: Largest infrastructure construction contractor in North America focused on electric and pipeline utility work. Comparable in industrial/energy client base and tank/pipeline construction scope; serves as the dominant scaled alternative for large industrial accounts.
• Primoris Services Corporation: Infrastructure construction contractor with utility, energy, and pipeline exposure. Comparable in industrial tank/terminal construction, energy-sector client base (refineries, midstream), and multi-trade mechanical/electrical capabilities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCvP_zejXNy6Xzar9VpB9CQw
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• LinkedInlinkedin.com/company/j.-j.-white-inc.
• Instagraminstagram.com/jjwhiteinc
• Xx.com/jjwhiteinc

Compliance8 records

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 J. J. White