Design and Engineering Contractors in Washington, DC

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Architectural Design and Engineering
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Tenor Engineering Group

Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • District of Columbia • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • 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
Engineer
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Design and Engineering
Tenor Engineering Group brings evidence-based design to your project’s acoustical performance goals. We envision a collaborative design process that utilizes the science of acoustic design to achieve measurable high-performance results. Our team strives to be a leader in educating the design community on the applied science of acoustics to empower designers, contractors, and users to really “hear” their space. Tenor’s team of engineers leverages research to optimize noise and vibration control solutions for your building and occupants. We volunteer to assist in the writing and supporting standards writing organizations such as ASHRAE, ASTM, ANSI, FGI, and WELL Standard. Tenor is ready to elevate acoustic design to fit your needs.
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Harrington Group, Inc.

Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • District of Columbia • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • 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
Engineer
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Assessments and Studies, Design and Engineering, Electronic Life Safety, Emergency Response Systems, Fire and Smoke Protection, Fire Detection and Alarm, Fire Extinguishing Systems, Fire Protection Engineering, Fire Protection Specialties, Fire Pumps, Fire Suppression, Fire Suppression Water Storage, Gas Detection and Alarm, Hazardous Material Assessment, Mass Notification, Material Storage, Storage Specialties, Water Based Fire Suppression Systems
Our specialized expertise in fire protection engineering has taken HGI throughout the hemisphere, literally. We have active projects all across the United States, as well as in Canada, Brazil, Argentina, Colombia, and Mexico. We are one of the most experienced and largest fire protection firms in the United States, and our experience and specialization make us uniquely qualified to serve our clients. For HGI, fire protection is not a sideline activity - it is our specialty. Unlike with an MEP firm, when clients come to HGI for fire protection, they know that our specialization means unparalleled design and safety. We specialize in commercial fire protection engineering for varying type of facilities including high-rise offices, warehouses and distribution centers, data processing operations, manufacturing facilities, hotels, educational facilities, aircraft hangars, and telecommunication hubs.
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LQL Consulting LLC

Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • District of Columbia • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • 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
Commercial, Industrial and Energy, Infrastructure
Architectural Design and Engineering, Assessments and Studies, Audio Video Communications, Commissioning, Communications, Communications Utilities Distribution, Design and Engineering, Distributed Communications and Monitoring Systems, Electronic Security, Information Management and Presentation, Information Specialties, Instrumentation and Control For Electrical Systems, Instrumentation and Control For Fire Suppression System, Instrumentation and Control For HVAC, Instrumentation and Control For Plumbing, Instrumentation and Control For Process Systems, Integrated Automation Network Devices, Integrated Automation Network Gateways, Video Surveillance
At LQL Consulting, we are a forward-thinking IT consulting firm committed to helping organizations harness technology for smarter, more secure, and more efficient operations. Our expertise spans core IT domains such as networking, cybersecurity, cloud solutions, automation, and systems integration, while also bringing specialized knowledge in Operational Technology (OT) and SCADA systems — the backbone of critical infrastructure and industrial environments. This unique blend allows us to address both traditional IT needs and the complex challenges found at the intersection of IT and OT. Whether you’re modernizing legacy systems, enhancing security, ensuring compliance, or building technology environments from the ground up, we deliver the guidance and support needed to drive digital transformation.
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FullMetal Worx LLC

District of Columbia • North Carolina • Virginia
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Access Doors and Panels, Aluminum Framed Entrances and Storefronts, Aluminum Siding, Amusement Park Structures and Equipment, Arts and Crafts Equipment, Batten Seam Sheet Metal Wall Cladding, Decorative Metal Fences and Gates, Design and Engineering, Fabricated Engineered Structures, Fences and Gates, Flashing and Trim, Flat Seam Sheet Metal Wall Cladding, Glass and Glazing, Integrated Construction, Metal Countertops, Metal Doors and Frames, Metal Fabrications, Metal Faced Panels, Metal Support Assemblies, Metals, Painting, Partitions, Process Piping, Sheet Metal Flashing and Trim, Sheet Metal Roofing, Sheet Metal Wall Cladding, Sheet Metal Waterproofing, Special Coatings, Special Structures, Structural Design and Engineering, Structural Glass Curtain Walls, Structural Panels, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication, Structure and Building Moving Relocation, Structure Demolition, Technology Design and Engineering, Temporary Construction Facilities and Identification
FullMetal Worx LLC is a Specialty Contractor that serves the Quinton, VA area and specializes in Access Doors and Panels, Aluminum Framed Entrances and Storefronts, Aluminum Siding, Amusement Park Structures and Equipment, Arts and Crafts Equipment, Batten Seam Sheet Metal Wall Cladding, Decorative Metal Fences and Gates, Design and Engineering, Fabricated Engineered Structures, Fences and Gates, Flashing and Trim, Flat Seam Sheet Metal Wall Cladding, Glass and Glazing, Integrated Construction, Metal Countertops, Metal Doors and Frames, Metal Fabrications, Metal Faced Panels, Metal Support Assemblies, Metals, Painting, Partitions, Process Piping, Sheet Metal Flashing and Trim, Sheet Metal Roofing, Sheet Metal Wall Cladding, Sheet Metal Waterproofing, Special Coatings, Special Structures, Structural Design and Engineering, Structural Glass Curtain Walls, Structural Panels, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication, Structure and Building Moving Relocation, Structure Demolition, Technology Design and Engineering, Temporary Construction Facilities and Identification.

Frequently Asked Questions

How many Design and Engineering contractors in Washington, DC are on the Procore Construction Network?

There are currently 531 Design and Engineering contractors in Washington, DC on the Procore Construction Network.

How can I find and connect with Design and Engineering contractors in Washington, DC?

The Procore Construction Network allows you to search for Design and Engineering contractors in Washington, DC 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 Design and Engineering contractors in Washington, DC 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 Design and Engineering contractors in Washington, DC 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 Design and Engineering contractors in Washington, DC 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 Design and Engineering contractors in Washington, DC are on the Procore Construction Network?

There are currently 531 Design and Engineering contractors in Washington, DC on the Procore Construction Network.

How can I find and connect with Design and Engineering contractors in Washington, DC?

The Procore Construction Network allows you to search for Design and Engineering contractors in Washington, DC 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 Design and Engineering contractors in Washington, DC 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 Design and Engineering contractors in Washington, DC 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 Design and Engineering contractors in Washington, DC 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.