Structural Steel Contractors in Potomac, MD

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H.S. Williams Company, Inc.

Charlotte, NC • Cleveland, TN • Knoxville, TN • Marion, VA • Raleigh, NC • Alabama • Arkansas • Connecticut • Delaware • Florida • Georgia • Illinois • Indiana • Iowa • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Mississippi • Missouri • New Hampshire • New Jersey • New York • North Carolina • Ohio • Pennsylvania • Rhode Island • South Carolina • Tennessee • Vermont • Virginia • West Virginia
General Contractor, Specialty Contractor
Commercial, Industrial and Energy, Infrastructure, Institutional
Aluminum Siding, Batten Seam Sheet Metal Wall Cladding, Curtain Wall and Glazed Assemblies, General Construction Management, Metal Doors and Frames, Metal Faced Panels, Metal Wall Panels, Metals, Project Management, Project Management and Coordination, Roof and Deck Insulation, Roof Panels, Sheet Metal Flashing and Trim, Sheet Metal Roofing, Sheet Metal Wall Cladding, Sheet Metal Waterproofing, Standing Seam Sheet Metal Wall Cladding, Steel Siding, Structural Steel, Structural Steel Framing Erection, Thermal Insulation, Wall Panels
The H.S. Williams Company, Inc. is an industry leading erector, specialty contractor & general contractor specializing in PEMB (pre-engineered metal buildings) and PEMB-based GC projects since 1962. For more than 60 years, H.S. Williams Company has constructed over 152 million-square-feet of structures throughout the Southeast United States and beyond. We are consistently a leader in North America as an erector and contractor for tonnage & square footage of buildings constructed annually. Our accolades include being named the Nation’s Number One Pre-engineered Metal Building Contractor by Metal Construction News, as well as Construction Business Review’s Top Steel Building Company of 2022. We also have numerous Building Of The Year awards for design and construction excellence from the System Builders Association.
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Maddox Industrial Group

Aurora, CO • Beaumont, TX • Indianapolis, IN • Toronto, ON • Alaska • Arizona • Arkansas • Colorado • Connecticut • Delaware • Florida • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • New Hampshire • New Jersey • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Texas • Vermont • Washington • Wisconsin • Wyoming
General Contractor
Industrial and Energy, Infrastructure
Combustion System Gas Piping, Concrete, Demolition, Design and Engineering, Design Coordination Services, Emergency Aid Specialties, Emergency Response Systems, General Commissioning Requirements, General Construction Management, General Fabrications For Waterways, Grouting, Liquid Acids and Bases Piping, Liquid Fuel Process Piping, Liquid Polymer Piping, Medical Specialty and High Purity Gases Systems, Metal Fabrications, Metal Support Assemblies, Metals, Painting, Petroleum Products Piping, Process Gas and Liquid Handling Purification and Storage Equipment, Process Heating Cooling and Drying Equipment, Process Piping, Process Piping System Protection, Processed Water Systems, Project Management, Project Management and Coordination, Rough Carpentry, Safety Specialties, Sanitary Facilities, Solid and Mixed Materials Piping and Chutes, Special Structures, Specialty Liquid Chemicals Piping, Steam Process Piping, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication, Structure and Building Moving Relocation, Structure Demolition, Temporary Construction Facilities and Identification, Temporary Cranes, Temporary Fuel Oil, Temporary Heating Cooling and Ventilating, Water and Wastewater Equipment, Welding and Cutting Gases Piping
END-TO-END INDUSTRIAL SOLUTIONS For Cryogenics & Process Piping, LNG, BAHX, Confined Space Rescue Founded in 1984, Maddox Industrial Group was established to support both public utility and private industrial markets. Today, MIG is a full-service industrial contractor offering specialized solutions to support essential industrial infrastructure across the plant lifecycle—including engineering, fabrication, installation & construction, maintenance & R-stamp repair, retrofit & upgrades, plant shutdowns & turnarounds, emergency repair, electrical & process controls, plant relocation, and decommissioning. And Cryo-genic Services BAHX, 5083, 3003 aluminum welding. With industry-leading expertise in air separation and process piping, MIG serves a broad range of essential industries including healthcare, medical, manufacturing, water/wastewater treatment, and others. As part of the TransTech family of companies, we're able to leverage fabrication and field services capabilities from locations across the U.S.—giving us the ability to deliver unmatched quality, responsiveness, and speed and making us unique in the marketplace. While we’re large enough to handle your biggest and most challenging projects, we offer the most flexible, responsive, and customer-focused service you’ll find—all backed by four decades of experience. Employing those who have supervisory potential has enabled us to develop our Millwrights, Pipefitters, Welders, and Fabricators into highly effective on the job leaders who can manage your projects from start to finish with excellent results. Whether taking on what might seem like a small project, or engaging us for a long term capital project, you will get professional, predictable results. By extensively pre-planning jobs and working out the kinks before stepping on the site; hassles, complications, and on the spot changes are kept to a minimum if at all. You can count on us to deliver a successful project for you within your budget and with safety as a top priority. CONTACT US Call us today to speak with one of our process piping and tubing specialists: +1 (317) 870-2400.
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Purifier Man

DC, DC • New York, NY • Alabama • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Consultant, General Contractor, Specialty Contractor, Supplier
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Abatement and Remediation, Above Grade Vapor Retarders, Air Barriers, Biohazard Abatement and Remediation, Board Product Air Barriers, Ceilings, Cleaning and Maintenance Of Existing Period Conditions, Cleaning Services, Commercial Equipment, Construction Aides, Controlled Environment Rooms, Design and Engineering, Electrical General, Emergency Aid Specialties, Emergency Response Systems, Environmental Assessment, Equipment, Equipment Rental, Fabricated Rooms, Facility Maintenance and Operation Equipment, Facility Protection, Hazardous Material Assessment, Healthcare Equipment, Heating Ventilating and Air Conditioning HVAC, HVAC Air Distribution System Cleaning, HVAC General, Instrumentation and Control For HVAC, Integrated Automation Sensors and Transmitters, Integrated Automation Systems For HVAC, Intensive Care Unit Critical Care Unit Entrances and Storefronts, Interior Design, Interior Specialties, Kennels and Animal Shelters, Medical Specialty and High Purity Gases Systems, Office Shelters and Booths, Preconstruction Bidding, Process Gas and Liquid Handling Purification and Storage Equipment, Religious Equipment, Residential Equipment, Revolving Door Entrances and Storefronts, Safety Specialties, Sanitary Facilities, Site Controls, Site Watering For Dust Control, Special Activity Rooms, Special Purpose Rooms, Special Structures, Specialized Systems, Structural Design and Engineering, Technology Design and Engineering, Temporary Air Barriers, Transportation Equipment, Trucks, Vapor Retarders
Purifier Man is a new age healthcare and construction company partner mix. Purifier Man creates safer, healthier environments throughout the United States. Purifier Man is constantly improving the indoor air & surface quality of all commercial spaces as well as residential. Purifier Man has numerous sanitizing and disinfecting systems that not only clean the air of disease, virus, infection, mold, mildew, musk, smoke, allergens, toxins and pollutants BUT ALSO ON SURFACES. Purifier Man can kill not only 99.9997% of air contaminates but also SURFACE contaminates!!! Our revolutionary technology and systems work 24/7 creating a healthy environment for ALL. This superior technology which was initially used in hospital ER's and clinical settings is now available for every business and household. PURIFIER MAN SERVICES & PRODUCTS SaniSpray Disinfecting & Sanitizing floor to ceiling wall to wall cleaning and disinfecting Portable Plug-N-Use 24/7 Disinfecting & Sanitizing Ecosystems Ceiling Tile Installed 24/7 Disinfecting & Sanitizing Ecosystems HVAC 24/7 Installed Disinfecting & Sanitizing Ecosystems Transportation/Mobile Installed Disinfecting & Sanitizing Ecosystems
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Sparx IT Solutions

Calimesa, CA • Cambridge, ON • Tampa, FL • Toronto, ON • Usborne No 310, SK • Usk, WA • Walpole, MA • York, PA • Alabama • Arizona • Arkansas • California • Florida • Maine • Manitoba • Maryland • Massachusetts • Michigan • Minnesota • Missouri • Montana • New Brunswick • New Jersey • New York • Newfoundland and Labrador • North Carolina • North Dakota • Ohio • Ontario • Oregon • Pennsylvania • Rhode Island • Tennessee • Texas
Consultant, Engineer
Commercial, Healthcare, Industrial and Energy, Institutional, Residential
Construction Software Solutions, Integrated Automation Network Devices, Integrated Automation Network Gateways, Integrated Automation Software, Integrated Automation Systems For Communications, Integrated Automation Systems For Electrical, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Integrated Automation Systems For Facility Equipment, Integrated Automation Systems For Fire Suppression, Integrated Automation Systems For HVAC, Integrated Automation Systems For Network Equipment, Integrated Automation Systems For Plumbing, Integrated Automation Ups Monitors, Technology Design and Engineering
Sparx IT is an industry-leading digital transformation services provider empowering enterprises to embrace next-gen technologies through our comprehensive services, including legacy software modernization, AI and ML development, cloud modifications, and end-to-end product engineering. We present businesses with automation-focused intelligent solutions across industries like healthcare, education, real estate, retail, manufacturing, and entertainment. From mobile app development to building modern software solutions, we present a future-ready vision.
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GingerSec, LLC

DC, DC • Arizona • Maryland • Missouri • Montana • North Carolina • North Dakota • Pennsylvania • South Dakota • Virginia • West Virginia • Wyoming
Consultant, Specialty Contractor, Supplier
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Access Control, Electrical, Electronic Personal Protection Systems, Electronic Security, Information Management and Presentation, Information Specialties, Informational Kiosks, Integrated Automation Network Devices, Integrated Automation Network Gateways, Integrated Automation Software, Integrated Automation Systems For Network Equipment, Security Detection Alarm and Monitoring, Technology Design and Engineering, Telephone Specialties
GingerSec, LLC is a veteran-owned technology and low-voltage contractor delivering dependable, jobsite-ready solutions for general contractors, construction managers, and developers. We specialize in low-voltage infrastructure, security systems, and IT integration that align with modern construction schedules and Procore-driven workflows. Our team understands the realities of active jobsites—tight timelines, change orders, inspections, coordination with multiple trades, and clean close-outs. Why General Contractors Choose GingerSec ✅ Construction-savvy team experienced working alongside GCs, subs, and project managers ✅ Procore-friendly documentation, RFIs, submittals, schedules, and close-out packages ✅ Security-first mindset from a cybersecurity-focused MSP/MSSP background ✅ Veteran-owned & professionally insured ✅ Clear scopes, fast responses, and no surprises Core Services Low-Voltage Cabling Cat6 / Cat6A / Fiber (SM/MM) Cable trays, conduit, raceway IDF/MDF build-outs & rack installations Physical Security CCTV & IP camera systems Access control & door hardware coordination Alarm & monitoring integrations IT & Network Infrastructure Network design & deployment Wi-Fi for commercial spaces Server rooms & structured cabling Construction Technology Support Temporary & permanent network solutions Technology coordination for TI and ground-up projects How We Work Pre-construction coordination Accurate takeoffs & labor estimates On-time rough-in and trim-out Inspection-ready installs Clean documentation and turnover GingerSec is built for projects that demand accountability, communication, and professionalism. Whether supporting a tenant improvement, commercial renovation, or new construction, we help GCs deliver secure, connected buildings—on schedule and on spec. 📍 Serving West Virginia, Arizona, and select nationwide projects
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Construction Systems Group Inc

Delaware • District of Columbia • Maryland • New Jersey • North Carolina • Pennsylvania • Virginia
Consultant, Engineer
Commercial, Healthcare, Institutional, Residential
Bentonite Waterproofing, Built Up Bituminous Waterproofing, Cementitious and Reactive Waterproofing, Civil Design and Engineering, Commissioning, Concrete, Curtain Wall and Glazed Assemblies, Design and Engineering, Existing Conditions Assessment, Fluid Applied Waterproofing, Masonry, Membrane Roofing, Roof Pavers, Roofing, Sheet Metal Roofing, Sheet Waterproofing, Structural Sealant Glazed Curtain Walls, Water Abatement and Remediation, Waterproofing
Construction Systems Group, Inc. (CSG) was formed in 1985 as an independent engineering consulting firm dedicated to providing high quality services to building owners and managers in the Metro DC, Baltimore and Eastern Shore, Delaware. We protect and enhance the long-term value of their communities through a fully integrated approach that blends consulting, in-depth technical expertise, creative problem solving, engineering, and construction management with a commitment to long term client relationships. 40+ years experience with all aspects of building envelope, waterproofing, and structural restoration engineering for multi-family, hospitals and healthcare facilities, multi-family dwellings, hospitality, warehouses, office buildings, shopping centers, apartment and condominium complexes, K-12 and universities. For existing structures -- forensic investigation, remedial design, bidding, construction administration/ oversight, and expert testimony related to waterproofing, foundations, retaining structures, parking structures, concrete, steel, wood, windows and doors, balconies, masonry, roof systems, and pavement / asphalt. Quality Assurance for new construction -- design review, waterproofing details, construction materials, building codes, industry standards, subcontractor interview, envelope inspection, punch list, forensic investigation, construction defect investigation, and expert witness testimony. Our Expertise We’ve helped restore and preserve hundreds of buildings across the region, with areas that include: • Roofing systems • Facade restoration • Balcony and deck repair • Window and door replacement • Parking structure rehabilitation • Pavement and hardscape renewal • Retaining wall stabilization • Below-grade waterproofing and drainage Whether you're navigating deferred maintenance, planning capital improvements, or responding to structural concerns, CSG offers the technical insight and project leadership to move your community forward with confidence.
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AECLER

Washington, DC • Alabama • Arkansas • Connecticut • Delaware • Florida • Georgia • Illinois • Indiana • Kentucky • Louisiana • Maryland • Massachusetts • Michigan • Mississippi • Missouri • New Jersey • New York • North Carolina • Ohio • Oklahoma • Pennsylvania • South Carolina • Tennessee • Texas • Virginia • West Virginia
Architect, Consultant, Engineer, General Contractor, Owner Real Estate Developer, Specialty Contractor, Supplier
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Abatement and Remediation, Acoustic Ceilings, Airfield Construction, All Glass Entrances and Storefronts, Architectural Design and Engineering, Architectural Wood Casework, Asbestos Abatement and Remediation, Assessments and Studies, Athletic and Recreational Special Construction, Athletic and Recreational Surfacing, Automatic Entrances and Storefronts, Backing Boards and Underlayments, Balanced Door Entrances and Storefronts, Ceilings, Civil Design and Engineering, Cleaning Services, Coastal Construction, Commissioning, Construction Aides, Construction Scheduling, Construction Waste Management and Disposal, Contaminated Soils Abatement and Remediation, Demolition, Environmental Assessment, Estimating, Existing Conditions Assessment, Fabricated Engineered Structures, Fabricated Wall Panel Assemblies, Facility Maintenance and Operation Equipment, Facility Shell Commissioning, Facility Substructure Commissioning, General Commissioning Requirements, General Construction Management, Glass and Glazing, Glass Glazing, Integrated Construction, Integrated System Commissioning, Interior Design, Interior Specialties, Interior Wall Paneling, Interiors Commissioning, Modular Mezzanines, Plastic Wall Panels, Project Management, Project Management and Coordination, Reinforcement, Special Structures, Structural Steel, Structure Demolition, Window Wall Assemblies, Windows, Wood Flooring, Wood Framing, Wood Paneling
AECLER is a Architect, Consultant, Engineer, General Contractor, Owner Real Estate Developer, Specialty Contractor, Supplier that serves the New Orleans, LA area and specializes in Abatement and Remediation, Acoustic Ceilings, Airfield Construction, All Glass Entrances and Storefronts, Architectural Design and Engineering, Architectural Wood Casework, Asbestos Abatement and Remediation, Assessments and Studies, Athletic and Recreational Special Construction, Athletic and Recreational Surfacing, Automatic Entrances and Storefronts, Backing Boards and Underlayments, Balanced Door Entrances and Storefronts, Ceilings, Civil Design and Engineering, Cleaning Services, Coastal Construction, Commissioning, Construction Aides, Construction Scheduling, Construction Waste Management and Disposal, Contaminated Soils Abatement and Remediation, Demolition, Environmental Assessment, Estimating, Existing Conditions Assessment, Fabricated Engineered Structures, Fabricated Wall Panel Assemblies, Facility Maintenance and Operation Equipment, Facility Shell Commissioning, Facility Substructure Commissioning, General Commissioning Requirements, General Construction Management, Glass and Glazing, Glass Glazing, Integrated Construction, Integrated System Commissioning, Interior Design, Interior Specialties, Interior Wall Paneling, Interiors Commissioning, Modular Mezzanines, Plastic Wall Panels, Project Management, Project Management and Coordination, Reinforcement, Special Structures, Structural Steel, Structure Demolition, Window Wall Assemblies, Windows, Wood Flooring, Wood Framing, Wood Paneling.

Frequently Asked Questions

How many Structural Steel contractors in Potomac, MD are on the Procore Construction Network?

There are currently 3,911 Structural Steel contractors in Potomac, MD on the Procore Construction Network.

How can I find and connect with Structural Steel contractors in Potomac, MD?

The Procore Construction Network allows you to search for Structural Steel contractors in Potomac, MD that meet your business needs. Most companies provide a phone number or website on their business page so you can easily connect with them.

How can Structural Steel contractors in Potomac, MD join the Procore Construction Network?

The Procore Construction Network is free and open to any businesses in the construction industry. Click Sign Up at the top of this page to submit your information and create your business page.

How do I know what areas Structural Steel contractors in Potomac, MD cover?

Most businesses listed on the Procore Construction Network have updated their service area. Select a business to view a service area map and find what other areas they work in.

How do I invite Structural Steel contractors in Potomac, MD on the Procore Construction Network to bid on projects?

The Procore platform offers a Bidding tool to Procore customers. If your company uses our Bidding solution, you can search and invite businesses on the Procore Construction Network directly from the Bidding tool. Not yet using Procore? Request a demo.

How many Structural Steel contractors in Potomac, MD are on the Procore Construction Network?

There are currently 3,911 Structural Steel contractors in Potomac, MD on the Procore Construction Network.

How can I find and connect with Structural Steel contractors in Potomac, MD?

The Procore Construction Network allows you to search for Structural Steel contractors in Potomac, MD that meet your business needs. Most companies provide a phone number or website on their business page so you can easily connect with them.

How can Structural Steel contractors in Potomac, MD join the Procore Construction Network?

The Procore Construction Network is free and open to any businesses in the construction industry. Click Sign Up at the top of this page to submit your information and create your business page.

How do I know what areas Structural Steel contractors in Potomac, MD cover?

Most businesses listed on the Procore Construction Network have updated their service area. Select a business to view a service area map and find what other areas they work in.

How do I invite Structural Steel contractors in Potomac, MD on the Procore Construction Network to bid on projects?

The Procore platform offers a Bidding tool to Procore customers. If your company uses our Bidding solution, you can search and invite businesses on the Procore Construction Network directly from the Bidding tool. Not yet using Procore? Request a demo.