INTERNATIONAL ASSOCIATION OF HEAT & FROST INSULATORS AND ALLIED WORKER

What INTERNATIONAL ASSOCIATION OF HEAT & FROST INSULATORS AND ALLIED WORKER does

Insulators Local Union No. 24 is a chartered local of the International Association of Heat and Frost Insulators and Allied Workers, established August 24, 1907 in the Washington, D.C. area and now headquartered at 901 Montgomery Street in Laurel, Maryland, with a benefits office in Columbia, Maryland. The union represents mechanical insulation workers across Maryland, Virginia, Washington DC, and West Virginia, delivering collective bargaining representation, workforce development, benefits administration, and contractor referral services. Core operations center on a five-year apprenticeship program (22 days/year classroom training plus on-the-job work through signatory contractors), continuing education including OSHA 30 and blueprint reading, and a pre-apprenticeship Improver Program that produces journeymen at $40.77/hour.

The union's service portfolio includes health and welfare benefits administration delivered through a partnership with BeneSys (formerly Carday Associates) and CareFirst BlueCross BlueShield, a state-of-the-art Training Center, a directory of 14 signatory contractors in the Mid-Atlantic region, organizing assistance for workers forming collective bargaining units, and political action advocacy including support for the Mechanical Insulation Installation Incentive Act (H.R. 3349). Member contractors hold National Insulation Association Insulation Energy Appraisal Program (IEAP) certification enabling mechanical insulation energy audits for commercial, industrial, institutional, hospital, and high-rise facilities. The organization is affiliated with the AFL-CIO, the National Association of Building Trades Unions (NABTU), and Helmets to Hardhats (a veteran transition program).

Revenue is derived from member dues and contractor contributions established through collective bargaining agreements. Membership in the parent International Association spans approximately 21,000 insulators across the U.S. and Canada organized into eight regional conferences. Local 24 operates with 87 employees, is governed by elected officers including a President, Vice-President, Business Manager, and Business Agent, and is owned collectively by its membership rather than by external shareholders or investors. The union celebrated its centennial in 2007 and continues active operations with documented news and events through 2023.

Name

INTERNATIONAL ASSOCIATION OF HEAT & FROST INSULATORS AND ALLIED WORKER

Legal name

Insulators Local Union No. 24 of the International Association of Heat and Frost Insulators and Allied Workers

Website

https://insulators24.org

Company type

Private

Founded year

1907

Operating status

Operating

Headcount range

51–100 employees

Short description

Insulators Local Union No. 24 is a chartered labor union (founded 1907, Laurel, MD) representing mechanical insulation workers across Maryland, Virginia, DC, and West Virginia through collective bargaining, a five-year apprenticeship program, health and welfare benefits administration via BeneSys, and contractor referral services.

Ownership category

akta.pro rank

Product category

Labor Union Services

NAICS

Drywall and Insulation Contractors (238310)

akta.pro industry

PRIMARYIMAIABAL

Mechanical Insulation & Pipefitting Support Services

Industrials, Manufacturing & Construction/Industrial Services & Facility Operations/Building Maintenance & Repair (MEP/HVAC/Plumbing/Electrical)

SECONDARYIMADANAC

Ductwork, Duct Fittings & Air Distribution (Diffusers/Grilles/Registers)

Industrials, Manufacturing & Construction/Building Materials & Products/HVAC Components & Building Ventilation Products

Keywords

• Labor union services
• Mechanical insulation
• Apprenticeship training
• Collective bargaining
• Union member benefits

Headquarters

HQ city

Laurel

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Others, Technology or R&D, Marketing or Sales

Revenue model

1. Union Membership Dues: Members pay dues to the union which provides collective bargaining representation, health and welfare benefits administration, pension plans, training programs, and labor representation services.
2. Contractor Contributions: Signatory contractors contribute to health and welfare plans and pension funds as part of collective bargaining agreements. Employers pay for two additional hours when members vote in union elections.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Insulators Local 24 is a chartered labor union representing heat, frost, and asbestos insulation workers across Maryland, Virginia, Washington DC, and West Virginia. It delivers collective bargaining representation, a five-year apprenticeship training program, health and welfare benefits, mechanical insulation installation services through its signatory contractor network, and political and organizing advocacy on behalf of its members.

Product overview

Insulators Local 24 operates as a labor union providing a portfolio of services centered on workforce development, member benefits, and industry advocacy. The core offerings include a five-year apprenticeship training program (the primary pathway to becoming a qualified journeyperson), health and welfare benefits administered through BeneSys, and a pre-apprenticeship Improver program. The union offers ongoing training classes through its Training Center, maintains a network of signatory contractors for mechanical insulation services, provides organizing assistance for workers forming collective bargaining units, and engages in political action on behalf of members. The Training Program uses state-of-the-art equipment, while the contractor network delivers mechanical insulation installation and energy audits to commercial, industrial, and institutional clients. All offerings are interconnected through the union's mission to assist members in securing employment, defending their rights, and advancing their interests through education and collective action.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Union members earn 28% higher wages than non-union workers
• +2 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Ten partnerships are on record, tiered core, major, moderate and minor.

• BeneSys (formerly Carday Associates)coreOthersBenefits administration provider for Asbestos Workers Local 24 Medical Fund. Administers health and welfare plans including medical, prescription, and benefits claims processing through their platform at ourbenefitoffice.com.
• CareFirst BlueCross BlueShieldcoreOthersHealthcare provider network for Local 24 medical benefits, offering provider search and network access for members and dependents.
• International Association of Heat and Frost Insulators and Allied WorkerscoreStrategic or Co-development PartnerParent international union organization providing support, direction, guidance, and continuity to Local 24. The International consists of approximately 21,000 Insulators across U.S. and Canada.
• AFL-CIOmajorStrategic or Co-development PartnerFederation of labor unions providing political advocacy, resources, and affiliation for building trades unions including insulation workers.
• National Association of Building Trades Unions (NABTU)majorStrategic or Co-development PartnerBuilding and Construction Trades Department providing apprenticeship support, political action resources, and industry advocacy for affiliated locals.
• Helmets to HardhatsmoderateStrategic or Co-development PartnerProgram helping military veterans transition to civilian life with structured paths into skilled craft apprenticeship programs. Since 2003, helped place over 20,000 veterans.
• Breath of Life FoundationminorStrategic or Co-development PartnerCharitable foundation affiliated with the union, supporting healthcare initiatives and community welfare programs.
• National Insulation AssociationmoderateStrategic or Co-development PartnerIndustry association offering Insulation Energy Appraisal Program (IEAP) certification and resources for mechanical insulation professionals.
• Maryland Department of Labor, Licensing and RegulationmoderateOthersState agency providing regulatory oversight, workforce development resources, and employment services for Maryland workers.
• Maryland Energy AdministrationmoderateOthersState agency administering the Mechanical Insulation Installation Grant Program providing grants of 30% of qualified expenses up to $20,000 for mechanical insulation projects.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Others

• Helmets to Hardhats: Non-profit program placing military veterans into skilled-trades apprenticeship. Local 24 is a partner organization. Comparable as a workforce-development channel that feeds into the same building-trades apprenticeship ecosystem.
• Mechanical Contractors Association of America (MCAA): National trade association for mechanical contractors (HVAC, plumbing, pipefitting). MCAA signatory contractors are direct customers of Local 24's insulation workforce, making it a closely related industry counterpart that employs union labor for mechanical system installation.
• National Insulation Association: Trade association representing the mechanical insulation industry — contractors, manufacturers, and distributors. Provides the Insulation Energy Appraisal Program (IEAP) certification that Local 24 members hold. Functions as an industry-level peer/complement to the union's insulation workforce mission.

Broad incumbents

• AFL-CIO: National federation of labor unions of which Local 24 is an affiliate. Provides political advocacy, organizing resources, and federation-level coordination; comparable as a structural umbrella organization governing affiliated building-trade locals like Local 24.
• International Brotherhood of Electrical Workers (IBEW): IBEW is one of the largest building-trades unions with ~775,000 members. It shares Local 24's labor-union operating model — apprenticeship programs, signatory contractor networks, collective bargaining, and political action — though its craft focus (electrical) is adjacent rather than overlapping.
• North America's Building Trades Unions (NABTU): Building and Construction Trades Department of AFL-CIO, the direct parent federation for Local 24's international. Coordinates apprenticeship, political action, and industry advocacy across affiliated construction unions — directly comparable parent organization.

Direct peers

• International Brotherhood of Boilermakers: Represents boilermakers and related industrial mechanical workers in construction and maintenance. Closely comparable skilled-trades union structure with apprenticeship pipelines, collective bargaining, and shared industrial/mechanical construction customer base with Local 24.
• Sheet Metal Workers International Association (SMART): Represents sheet metal workers in HVAC fabrication, installation, and service. SMART members work on the same mechanical systems (HVAC, ductwork, piping) that Local 24 insulators cover, with an analogous apprenticeship model and signatory contractor structure.
• United Association of Plumbers, Pipefitters, and Service Techs (UA): UA represents 355,000+ plumbers, pipefitters, and mechanical service workers across the U.S. and Canada. It is the most directly comparable mechanical trades union — its pipefitters perform insulation-related work on the same types of mechanical systems (HVAC, steam, process piping) and follow a similar apprenticeship/journeyman model.

Regional players

• International Union of Painters and Allied Trades (IUPAT): IUPAT represents painters, glaziers, and finishers in the building trades with similar apprenticeship and collective bargaining structures. While its craft focus is different, it operates in the same construction-sector labor market and serves as a comparable building-trades union peer for Local 24.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/international-association-of-heat-&-frost-insulators-and-allied-worker

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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