NAICS 238220 · Illinois

Certified Women-Owned Plumbing, Heating, and Air-Conditioning Contractors in Illinois

26 certified women-owned vendors in Illinois under NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search.

26 certified vendors · ranked by certification recency & profile depth

01SC-B CONSULTING INCORPORATED

Professional & Management Consulting · Urbana, Illinois
SBA-certified WOSB, EDWOSB, HUBZone
WOSBEDWOSBHUBZone

Business Management and Consulting services including: software development, help desk support, research (scientific and technical, demonstration projects, energy conservation and commissioning, short and long term marketing; human resource management; doing business with the government educational services; process management; inventory control; long term and short term business planning, professional Training.

02KAY KAY LLC

IT & Software Services · Hinsdale, Illinois
SBA-certified WOSB
WOSB

We at Kay Kay LLC are working with a vision of providing our customers the best value in the field of Software Development, computer Hardware, and office supplies ; we are committed to meet the ever increasing demands of business driven professional services across the globe by employing cutting-edge and innovative technology. We have been serving a variety of conglomerates, and have been involved with numerous industries and business sectors for over three decades. Our success rests upon the edifice cemented by the customer's satisfaction to our commitment, our adherence to a consistent methodology, effective project management techniques, proven automated tools, quality assurance, testing and dedicated professionals.

03GWO, INC.

Construction & Trades · Chicago, Illinois
SBA-certified WOSB, EDWOSB, 8a
WOSBEDWOSB8(a)

GWO Inc. is a Chicago-based construction firm providing commercial, government, and heavy civil construction services since 2013. We have experience in office build-outs, tenant improvements, industrial construction, site development, and heavy civil projects. Our team is skilled in project coordination, subcontractor management, and quality control to ensure timely and cost-effective project delivery. As a federally certified 8(a) and WOSB contractor, we have completed projects for local government agencies and are actively expanding our work in federal contracting. Our experience includes renovations, infrastructure improvements, and heavy civil construction, with a focus on meeting project specifications and regulatory requirements. GWO Inc. is committed to efficient project execution, clear communication, and adherence to industry standards. We have the capacity to manage projects from pre-construction through completion while maintaining quality and safety.

05US AIR PURIFIERS LLC

Manufacturing & Production · Peoria, Illinois
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

US Air Purifiers, LLC, is a economically disadvantaged women owned small business (EDWOSB) that is family owned. Our 5 Star customer rating and A+ BBB review among other certificates originate from our basic business philosophy, the backbone of our company; Treat each and every customer the way we want to be treated. We are a provider of commercial indoor air purification equipment, air quality monitors, humidifiers, portable air conditioners, and filters. Our company has carried out previous work in the public sector working with the United States Department of Veterans Affairs, Harvard, Tesla, Miami Children’s Hospital and many others. Our major differentiators include availability to a wide range of air purification products, customized product consulting, free shipping (terms apply), and excellent customer service. For nearly a decade our extensive knowledge and expertise have provided businesses and residential homes the highest quality solutions.

06CT MECHANICAL LLC

Construction & Trades · Addison, Illinois
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

Experts in Value Engineering of Mechanical HVAC Systems. CT Mechanical specializes in three (3) core service areas: 1.Savings on average of 5-10% on HVAC Construction (remodeling or new construction) 2.Extending the life of HVAC equipment approximately 3-5 years with our Service and Maintenance division 3.Fire Damper systems compliant with NFPA and IDPH

07AERAPY, LLC

Manufacturing & Production · Saint Charles, Illinois
SBA-certified WOSB, EDWOSB, 8a
WOSBEDWOSB8(a)

Aerapy® is an SBA-certified 8(a), SDB, EDWOSB, and WOSB U.S. manufacturer of germicidal ultraviolet (GUV/UVGI) air and surface disinfection systems with 18 years of experience supporting federal agencies including the VA and DOJ. We provide HVAC-integrated air disinfection and upper-room UVGI systems delivering >99.99% pathogen inactivation in a single air pass when properly engineered. Unlike off-the-shelf or factory-installed UV, Aerapy systems achieve both coil disinfection and airborne pathogen control without tradeoffs, improving IAQ and HVAC efficiency. Solutions include in-duct UV-C, upper-room UVGI, and portable systems with turnkey or design-assist delivery, including NIOSH-compliant installation, commissioning, training, and maintenance. BABA compliant, ISO 9001 certified, ETL listed (ozone-free, safe for occupied spaces), aligned with VHA Directive 1061, GSA P100, ASHRAE, CDC, and NIOSH standards.

08AMALGAMATED SERVICES, INC.

Facilities & Building Services · Frankfort, Illinois
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

HVACR, Plumbing, Facility Maintenance, and Government Procurement. Amalgamated Services, Inc. (ASI) is a fully insured, wholly female-owned contractor with over 30 years’ experience specializing in federal, commercial, governmental, and industrial settings. Expediting the procurement process from sourcing to delivery, ASI's goal is to provide a superior experience for all government agencies

09AMPOL GROUP INTERNATIONAL INC

Facilities & Building Services · Des Plaines, Illinois
SBA-certified WOSB
WOSB

Assist industrial, commercial and institutional building owners and facility managers with build-outs, electrical and mechanical repairs, HVAC services, janitorial, landscaping, lighting, office alterations, plumbing, upgrades and operational maintenance. Our project management and modern day solutions save our clients time and money.

10WEITEKAMP REFRIGERATION, INC

Repair, Maintenance & Other B2B · Rochester, Illinois
SBA-certified WOSB
WOSB

Weitekamp Refrigeration, Inc., founded in 2018 by Dennis Weitekamp, is a trusted provider of Commercial Refrigeration Installation and Service headquartered in Rochester, IL. Backed by over 40 years of industry experience since 1981, our team delivers exceptional service in new installations, remodels, and maintenance. Weitekamp Refrigeration prioritizes top-quality workmanship, ensuring every project is completed efficiently and to the highest standards. Our commitment to timely response and unmatched customer satisfaction sets us apart. Whether servicing urgent needs or executing large-scale refrigeration projects, we work tirelessly to meet and exceed expectations, leaving no job unfinished.

11BARTKOWSKI LIFE SAFETY CORP

Construction & Trades · South Holland, Illinois
SBA-certified WOSB, HUBZone
WOSBHUBZone

Bartkowski Life Safety, Corp. is a National Construction Services and Management company with a focus on Life Safety. We provide General Construction, Design Build, Reconstruction, Build-Out, Interior Renovation, Historic Renovation, Roofing, Electrical Upgrades, Life Safety, Firestop, Dampers, Fire Barrier, Firesealing, Fireproofing, Fire Suppression, Fire Alarm, Deficiencies, Facilities, PPE, Debris Removal, and Disaster & Emergency Relief Supplies & Services which includes debris removal, distribution of supplies, reconstruction, and disaster & emergency relief supplies and services. We perform contracting for facilities and clients in the 48 contiguous United States. We provide personalized Consulting and Contracting to each facility to ensure compliance with all applicable codes. On the supply side, we are a Value-Added Reseller (VAR) by projecting and planning for the facility’s needs. WBE- City of Chicago, WBE - Cook County, WBENC, DBE - IDOT, FBE - State of Illinois

12ONEILL CONTRACTORS INC

Construction & Trades · Chicago, Illinois
SBA-certified WOSB, EDWOSB, SDVOSB, VOSB
WOSBEDWOSBSDVOSBVOSB

General Contractor self performs roofing, carpentry, flooring, waterproofing, construction management. Past performance includes contracts with USACE, NAVFAC, USAF, US Army, Dept of Veterans Affairs, Northern Illinois University, The Boeing Company, City of Seattle, Coast Guard, City of Chicago, FAA

13FIRE SAFETY, INC.

Wholesale & Distribution · Wood River, Illinois
SBA-certified WOSB
WOSB

SALES AND SERVICE OF PORTABLE FIRE EXTINGUISHERS, FIRE EXTINGUISHER CABINETS, PRE-ENGINEERED AND INDUSTRIAL SYSTEMS (PAINT BOOTH AND VEHICLE SUPPRESSION SYSTEMS).

15DAY ONE ESTATE DIRECTORS LLC

Construction & Trades · Chicago, Illinois
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

Day One Estate Directors LLC (Day One) is a certified MBE/WBE; premier Licensed and Bonded General Contractor providing General Contracting Services, General Construction Services, Construction Management Services, and Real Estate Development Services. We pride ourselves on providing quality construction projects on-time and on-budget. We provide the following services: Carpentry (Rough and Finish), Concrete, Demolition, Design-Build, Door & Window Installation, Drywall Installation, Electrical, HVAC, Masonry, New Construction, Painting, Plumbing, Remodeling, Renovation, Restorations, Roofing and Tiling.

16GEOTECHNICAL CONSTRUCTION, INC.

Construction & Trades · Mount Olive, Illinois
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

Dewatering Systems, Well Drilling, Relief Wells, Foundations Drilling, Well Rehab, Well Testing, Pump Testing, Well Cleaning, Ground Water Control, Geothermal Wells, Geothermal Loops, Geotheraml Heat Pumps

18BATIR ARCHITECTURE LTD

Engineering & Architecture · Saint Charles, Illinois
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

Specialists in Mission Critical, telepresence/telecommuting, data centers and technical environments. Other areas of expertise: high-performance sustainable smart buildings, Support Federal Energy Management Programs (FEMP), smart building pilot programs, ESCO/ESPC contracts and energy audits, building energy retrofit design.

23J & B BUILDERS INC

Construction & Trades · Saint Charles, Illinois
SBA-certified WOSB
WOSB

General Contractor, commerical and residential construction, office and retail shell construction, interior remodel and tenant build outs, design/build services

24TEAM NETWORK LLC

Construction & Trades · Chicago, Illinois
SBA-certified WOSB
WOSB

Provide Professional Development, Vocational Training, Administrative Management, Management Consulting, Book Publication and Telephone Answering services. Provide General Contracting services and Plumbing, Electrical, Heating, Air-Conditioning, Drywall, Painting and Flooring.

26CHARPIE CONSTRUCTION CO., INC.

Construction & Trades · Chicago, Illinois
SBA-certified WOSB
WOSB

General Construction; Construction Management; Construction Manager as Constructor (CMc); Design/Build; Site Utilities, Waste/Water Facilities, Concrete Structures, Bridge Construction, Commercial Maintenance/Remodeling.

Frequently asked

Are there certified women-owned NAICS 238220 vendors in Illinois?

Yes — 26 certified women-owned vendors in Illinois list NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search and dated on each listing.