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CRTKL has now joined Arcadis, a global leader in the delivery of sustainable design, engineering and consultancy solutions for natural and built assets. Together, the combined strength of CRTKL and Arcadis creates one of the largest architecture practices in the world, offering the best of sustainable, social, and digital design innovation. We are more committed than ever to solving some of the world’s most complex urban challenges and helping to shape the cities and communities of tomorrow. Over the last 75 years, we have created some of the world’s most memorable and successful environments for developers, retailers, investors, institutions, and public entities as CRTKL and we will take forward this legacy together with Arcadis.

Website http://www.rtkl.com
Revenue $6.4 million
Employees 353 (206 on RocketReach)
Founded 1946
Address 2101 L Street, NW Suite 200, Washington, District of Columbia 20005, US
Phone (213) 633-6000
Fax (213) 633-6060
Technologies
Industry Architecture, Architecture and Planning, Architecture, Engineering & Design, Construction and Engineering, Construction, Real Estate, Urban Planning & Design, Interior Architecture, MEP & Structural Engineering, Technology Design, Healthcare Technologies, Strategic Branding, Environmental Graphic Design, Health Facility Planning & Transitioning, Building Information Modeling
Web Rank 4 Million
Keywords Architecture, Global Design, Design, Planning, Architectural Services, Engineering, Sustainable Design, Design Solutions, Building Design, Construction, Master Planning, Urban Design, Interior Design, Landscape Architecture, Real Estate, Development, Consultancy, Project Management, Facilities, Infrastructure
Competitors AECOM, ZGF Architects, Stantec, Buro Happold, Perkins&Will, Skidmore, Owings & Merrill (SOM), Gensler, HOK, KPF, Fentress Architects +31 more (view full list)
SIC SIC Code 8712 Companies, SIC Code 871 Companies, SIC Code 87 Companies
NAICS NAICS Code 541 Companies, NAICS Code 54 Companies, NAICS Code 5413 Companies, NAICS Code 541310 Companies, NAICS Code 54131 Companies

RTKL Questions

The RTKL annual revenue was $6.4 million in 2026.

Sieg Lopez is the Assoc. Vice President of RTKL.

206 people are employed at RTKL.

RTKL is based in Washington, District of Columbia.

The NAICS codes for RTKL are [541, 54, 5413, 541310, 54131].

The SIC codes for RTKL are [8712, 871, 87].

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