What Architectural Engineering Companies Do and Why They Matter

When you walk into a building that just feels right – maybe it’s full of natural light, comfortable all year round, and super efficient – chances are, an architectural engineering company had something to do with it. These companies bridge the gap between creative design and practical function, making sure that buildings aren’t just good-looking, but also safe, sustainable, and built to last. Let’s break down what these companies actually do, and why their work is so important in shaping the spaces around us.

2. Tejjy Inc.

Tejjy Inc. provides architectural engineering services across the United States, focusing on solutions for various building types. The company, based in Rockville, Maryland, has completed over 2,500 projects, including floor plans, renovations, and additions for commercial, mixed-use, religious, educational, recreational, and high-rise buildings. Their team uses technology like Building Information Modeling (BIM) and 3D laser scanning to handle project planning, design, and construction management. They also offer in-house scanning to assist with restoring historical buildings when original drawings are unavailable.

The company’s process starts with client consultations and site evaluations using data-driven methods like laser scanning to define project scope and schedules. From there, their team creates preliminary sketches, conducts feasibility studies, and adjusts designs based on feedback from stakeholders. Tejjy Inc. serves clients in multiple sectors, including healthcare, education, and hospitality, and has worked on projects like a 25,000-square-foot healthcare facility in Washington, DC, where they developed a 3D BIM model, visualizations, and shop drawings for coordination between trades.

Key Highlights

• Completed over 2,500 projects across various building types.
• Uses BIM and 3D laser scanning for project execution.
• Based in Rockville, Maryland, with services offered nationwide.
• Involved in a 25,000-square-foot healthcare facility project in Washington, DC.

Services

• Floor plan design (2D and 3D)
• Architectural drawings
• Structural engineering
• BIM (Building Information Modeling)
• 3D visualization and rendering
• Interior designing
• As-built drawings
• Scan-to-BIM
• Facility management
• Construction documents

3. Ramboll

Ramboll is a global company offering engineering, architecture, and consultancy services, with a staff of over 18,000 working on projects worldwide. Based in Denmark, they focus on creating solutions for governments and businesses, covering areas like infrastructure, buildings, and environmental management. Their team handles projects such as steel production decarbonization and transport infrastructure studies, including a report for the European Climate Foundation on emissions in Nordic transport systems.

The company operates in multiple regions, with offices across Europe, North America, and Asia, and provides services in urban design, structural engineering, and sustainability consulting. Ramboll’s work includes analyzing biodiversity for investors and developing strategies for circular economy transitions. In 2024, they received an ‘A’ rating from CDP for their climate change efforts, based on their internal decarbonization practices and project outcomes.

Key Highlights

• Employs over 18,000 people globally.
• Headquartered in Denmark with international operations.
• Received an ‘A’ rating from CDP for climate efforts in 2024.

Services

• Architectural design
• Structural engineering
• Urban design
• Sustainability consulting
• Environmental services
• Infrastructure planning
• Resource management
• Carbon capture consulting

4. BRPH

BRPH is an employee-owned company providing architecture, engineering, and construction services, with a focus on projects in the United States. Based in Florida, their team works with clients in sectors like aerospace, education, and entertainment, handling tasks from design to construction. They have experience with spaceport development and manufacturing campuses, as well as facilities for commercial and government use, including confidential projects for strategic clients.

Their process involves collaboration with clients to define project needs, followed by planning, design, and construction phases. BRPH has worked on initiatives like the Project Kuiper satellite launch facility and offers microgrants of up to $1,000 for K-12 STEAM educators in Florida and Georgia. The company also produces a podcast discussing topics like spaceport construction and aerospace testing, based on insights from their staff.

Key Highlights

• Employee-owned company based in Florida.
• Involved in the Project Kuiper satellite launch facility.
• Produces a podcast on aerospace and infrastructure topics.

Services

• Architectural design
• Engineering
• Construction management
• Interior design
• Program management
• Facility planning
• Mission solutions

5. HOK

HOK is a company that offers architectural engineering services along with design and planning. It started in 1955 when three architects – George Hellmuth, Gyo Obata, and George Kassabaum – came together to form the firm. They have 1,700 employees spread across 26 offices on three continents, working on projects like schools, airports, and corporate campuses. Their early work included school designs in St. Louis suburbs, and over time, they expanded to handle bigger stuff like the Dallas/Fort Worth International Airport and the National Air and Space Museum.

Their team uses tools like Building Information Modeling (BIM) to manage the design and construction process. HOK has offices in places like New York, London, and Hong Kong, picked up through mergers with firms like Kahn & Jacobs and Cecil Denny Highton. They’ve worked on projects such as the Levi Strauss & Co. campus in San Francisco and the King Khalid International Airport in Riyadh, focusing on blending engineering with architecture for different building types.

The company also handles sustainability stuff, tracking carbon emissions on projects since going carbon neutral in 2022. Their team has done things like design a zero-emissions office building in St. Louis and a stadium in Atlanta that meets specific environmental standards. They work with groups like Biomimicry 3.8 to figure out designs based on nature, and they’ve got a history of taking on varied projects from healthcare to sports facilities.

Key Highlights

• Started in 1955 in St. Louis, Missouri.
• Has 1,700 employees across 26 offices worldwide.
• Worked on Dallas/Fort Worth International Airport and Levi’s Plaza.
• Uses BIM for design and construction processes.

Services

• Architectural design
• Engineering
• Urban planning
• Interior design
• Structural engineering
• Sustainable design
• Landscape architecture

6. NORR

NORR is a company that provides architectural engineering services, along with architecture and interior design, based in Toronto, Canada. It’s been around since 1938, when John B. Parkin and Roy Marshall kicked things off as architects and engineers. They’ve got 14 offices across Canada, the US, UK, and UAE, with their team handling projects like office buildings, transit hubs, and industrial facilities. The company grew by merging with other firms over the years, including Wright Engineers in 2010.

Their team works on stuff like designing mixed-use towers in Dubai and renovating old buildings in Philadelphia. They use tech like BIM and digital twins to plan and manage projects, covering everything from initial sketches to construction oversight. NORR’s projects include things like the Calgary Telus Sky tower and a justice center in Ontario, showing they take on a mix of public and private jobs.

The company also does engineering for mechanical, electrical, and structural systems, tying it into their architectural work. They’ve got experience with retail spaces, healthcare facilities, and even film studios, keeping their focus on practical designs. NORR has about 800 employees and sticks to a process that involves clients early on to sort out project details.

Key Highlights

• Founded in 1938 in Toronto, Canada.
• Operates 14 offices in four countries.
• Worked on Telus Sky tower and Philadelphia’s Divine Lorraine Hotel.
• Employs around 800 people.

Services

• Architectural design
• Engineering
• Interior design
• Structural engineering
• Mechanical engineering
• Electrical engineering
• Project management

7. DLR Group

DLR Group is a company offering architectural engineering services, plus design and planning, with its main office in Omaha, Nebraska. It got going in 1966 and now has 30 offices across the US and a couple in China, with about 1,300 employees. Their team takes on projects like schools, jails, and sports venues, including a courthouse in Los Angeles and a performing arts center in Cleveland. They’re employee-owned, meaning the staff has a stake in the business.

Their work covers engineering for buildings – think structural, mechanical, and electrical systems – alongside architecture. They’ve done stuff like the Wilshire Grand Center in LA, which mixes offices and a hotel, and they use data tools to plan out designs. DLR Group has expanded by buying up firms like Sorg Architects in 2020, adding more locations and skills to their setup.

The company also digs into sustainability, tracking energy use on projects like a net-zero energy school in Colorado. Their team handles everything from early concepts to final construction, working with clients in sectors like education, justice, and hospitality. They’ve got a broad mix of jobs, from small community buildings to big commercial towers.

Key Highlights

• Began in 1966 in Omaha, Nebraska.
• Has 1,300 employees and 30 offices.
• Worked on Wilshire Grand Center and a net-zero school in Colorado.
• Employee-owned company.

Services

• Architectural design
• Engineering
• Interior design
• Planning
• Structural engineering
• Mechanical engineering
• Electrical engineering

8. HDR

HDR is a company that provides architectural engineering services, as well as architecture and environmental work, based in Omaha, Nebraska. It started in 1917 with H.H. Henningson and has grown to over 10,000 employees across more than 200 locations worldwide. Their team deals with projects like hospitals, highways, and water systems, including a patient tower for Inova Loudoun Hospital and a bridge in Minnesota. They’re fully owned by employees, not outside investors.

Their engineering covers structural, plumbing, and lighting systems, tied into their architectural designs. They’ve worked on stuff like the Hoover Dam Bypass and use data tools like computational fluid dynamics to figure out building performance. HDR has offices in places like Australia and the UK, picked up through decades of expansion, and they handle both public and private jobs.

The company also focuses on environmental services, doing things like water treatment plans and sustainability studies. Their team has experience with transit projects, federal buildings, and even lighting design for public spaces. They’ve been at it for over a century, sticking to a process that mixes engineering with design from start to finish.

Key Highlights

• Founded in 1917 in Omaha, Nebraska.
• Worked on Hoover Dam Bypass and Inova Loudoun Hospital tower.
• Fully employee-owned.

Services

• Architectural design
• Engineering
• Environmental services
• Construction services
• Structural engineering
• Plumbing design
• Lighting design

9. HGA

HGA is a company based in Minneapolis, Minnesota, that offers architectural engineering services along with design and planning. Their team works on projects across the country, like schools, hospitals, and office buildings. They have offices in places like California, Wisconsin, and Virginia, handling stuff from healthcare facilities to cultural centers. The company got started years ago in a basement and has since grown to cover multiple sectors.

Their process involves using tools like Building Information Modeling (BIM) to plan and design buildings. They’ve worked on things like a state archives building in Pennsylvania, built to handle risks like floods and power outages, and a life sciences campus in Boston, set in an old quarry. Their team collaborates with clients from the early stages through construction, focusing on practical designs for different uses.

The company also does engineering for mechanical and electrical systems, tying it into their architectural work. They’ve been involved in projects like a proton therapy clinic in Wisconsin and a school in Oregon designed for low energy use. Their approach keeps the focus on getting the job done, whether it’s a small community space or a bigger public building.

Key Highlights

• Based in Minneapolis with offices in multiple states.
• Worked on a Pennsylvania state archives and a Boston life sciences campus.
• Uses BIM for project planning.
• Involved in a proton therapy clinic and a low-energy school.

Services

• Architectural design
• Engineering
• Interior design
• Planning
• Mechanical engineering
• Electrical engineering
• Sustainable design

10. HKS Inc.

HKS Inc. is a company out of Dallas, Texas, that provides architectural engineering services along with design and research. Their team handles projects like stadiums, hospitals, and hotels, with offices in cities across the US and places like Singapore and India. They’ve been around since the late 1930s, starting small and expanding over time.

Their work includes using structural engineering to support building designs, with projects like a cancer center in Florida and a big residential development in Los Angeles. They use tech like computational design to figure out how buildings will work before they’re built. Their team also looks into how design affects health and sustainability, applying that to their jobs.

The company takes on a mix of stuff, from sports venues to office spaces, working with clients to get from sketches to finished buildings. They’ve done things like a stadium in Minneapolis and a tower in Salt Lake City, keeping engineering and architecture tied together. Their process involves early planning with clients to sort out what’s needed.

Key Highlights

• Based in Dallas with offices in the US and abroad.
• Worked on a Florida cancer center and a Minneapolis stadium.
• Uses computational design for planning.
• Involved in health and sustainability research.

Services

• Architectural design
• Structural engineering
• Interior design
• Urban planning
• Research
• Sustainable design
• Project management

11. Mace Group

Mace Group is a company from London, UK, that offers architectural engineering services as part of its consultancy work. Their team deals with projects like office buildings, schools, and infrastructure, with offices in Europe, North America, and Asia. They’ve been involved in stuff across different sectors, from public buildings to private developments.

Their approach mixes engineering with design, using tools like design for manufacture and assembly for faster construction. They’ve worked on projects like a tall building in London called The Shard and a media campus for Sky in the UK. Their team manages everything from planning to building, working with clients to keep things on track.

The company also handles bigger programs, like school expansions in England and a university refurbishment in London. Their engineering covers structural and building systems, tied into the architectural side of things. They focus on practical solutions, whether it’s a small job or a large-scale project.

Key Highlights

• Based in London with offices in multiple regions.
• Worked on The Shard and a Sky media campus.
• Uses design for manufacture and assembly.
• Involved in school expansions and a university refurbishment.

Services

• Architectural design
• Engineering
• Construction management
• Master planning
• Structural engineering
• Building services engineering
• Urban regeneration

Conclusion

Architectural engineering companies play a key role in shaping the spaces we use every day. They blend creativity with practicality, ensuring that buildings are not only beautiful but also safe, energy-efficient, and sustainable. Whether it’s designing a sleek office building or creating a cozy home, these companies make sure that everything works together seamlessly. So next time you step into a building that feels just right, you’ll know there’s a lot more behind it than just great design – there’s a team of architectural engineers making sure it all fits perfectly!