UA Local 420

Name

UA Local 420

Website

https://lu420.org

Company type

Private

Founded year

1903

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

UA Local 420 is a Philadelphia-based United Association labor local representing steamfitters and related construction-trade workers, providing collective bargaining, apprenticeship training, and labor dispatch to signatory contractors. Founded 1903, with 1,001-5,000 members.

Ownership category

akta.pro rank

Product category

Construction Trade Union Services

NAICS

Oil and Gas Pipeline and Related Structures Construction (23712)

SIC

Construction - Special Trade Contractors (1700)

akta.pro primary industry

Industrial Steam Systems Decarbonization (Boiler Upgrades, Condensate Recovery, Steam Optimization) (EUABAJAK)

akta.pro secondary industry

Pipefitting & Steamfitting (EDAOACAB)

Keywords

• Steamfitter construction
• Pipefitting union
• Construction labor services
• Trade union apprenticeship
• HVAC piping services

Headquarters

HQ city

Philadelphia

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Core offering

UA Local 420 is a Philadelphia-based trade union local that provides steamfitter construction services. As a chapter of the United Association (UA), it supplies skilled unionized labor for pipefitting, steamfitting, welding, and related mechanical construction work, while also representing members in collective bargaining and offering apprenticeship training programs.

Differentiator

Problem solved

Functional benefit

Products and services

• Steamfitter Construction Services
• Apprenticeship Training Program
• Union Member Representation

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Broad incumbents

• APi Group: Publicly traded provider of safety, specialty, and industrial services including HVAC and mechanical contracting; overlaps with UA Local 420 in the mechanical construction and building services space.
• Quanta Services: Largest pure-play infrastructure specialty contractor in North America, serving utility, pipeline, and industrial customers with pipefitting and mechanical craft work comparable in profile to UA Local 420's trade.
• MasTec: Large specialty contractor serving utility, pipeline, and industrial customers with mechanical and pipefitting craft work; comparable customer base and project-based delivery model.
• Comfort Systems USA: National mechanical contractor focused on HVAC, plumbing, and piping installations for commercial and industrial customers; directly comparable craft base and customer profile to UA Local 420's Philadelphia steamfitting work.
• EMCOR Group: Large publicly traded mechanical and electrical construction services provider that installs and services HVAC, plumbing, and process piping — directly overlapping the steamfitting and pipefitting craft work performed by UA Local 420's constituency.
• IES Holdings: Electrical and mechanical infrastructure services provider serving industrial, commercial, and institutional customers with mechanical and pipefitting-adjacent capabilities.
• Sterling Infrastructure: Diversified infrastructure services provider with mechanical, piping, and industrial construction capabilities serving comparable end-markets to UA Local 420.

Regional players

• MYR Group: Specialty contractor focused on electrical construction, but with adjacent mechanical and infrastructure capabilities serving utilities and industrial customers — comparable craft-heavy project delivery model.

Direct peers

• Limbach Holdings: Specialty mechanical contractor with deep expertise in HVAC, plumbing, and process piping for institutional and industrial customers — comparable scope and craft profile to UA Local 420's steamfitter construction services.
• UA Local 1: Philadelphia-area United Association local covering overlapping mechanical and pipefitting trades; same parent union (UA), overlapping geography, and similar trade mix as UA Local 420.

Market position

Customer concentration

• Xx.com/420steamfitters

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about UA Local 420