architecture

DHK Architects is an architecture firm dedicated to architecture that makes cities better places to live and work. It designs buildings and spaces that engage the public realm, revitalize neighborhoods, enhance the urban fabric and preserve historic legacy. The firm serves public, private and institutional clients, taking projects from concept through planning, design, permitting and construction to final occupancy. Offices are in Boston, New York and San Juan.

Adaptive ReuseBIM (Building Information Modeling)Building Assessmentsdesign-buildfeasibility studiesHistoric PreservationInterior Designmaster planningnew constructionowner's project managementpermittingprogrammingrehabilitationsite planningSustainability

DIALOG is an architecture and design firm with studios in San Francisco, Vancouver, Calgary, Edmonton, Toronto, and Ottawa (opening 2026). Its work includes Calgary Central Library, the Glenbow at the JR Shaw Centre for Arts & Culture, the Arthur J.E. Child Comprehensive Cancer Centre, and the Seneca Polytechnic Health & Wellness Centre. The firm designs civic and cultural spaces, museums, and places dedicated to the arts.

design

DiClemente Siegel Design Inc. (DSD) is a multi-disciplinary engineering and architectural firm headquartered in Southfield, Michigan with a branch office in Burton, Michigan. Founded in 1969, DSD provides architectural, mechanical, and electrical design services and is a Veteran-Owned Business. The firm specializes in renovation work for markets including healthcare, commercial, automotive, K-12, higher education, religious, and government, and has many LEED Certified projects.

Construction documentsdesignElectrical EngineeringMechanical EngineeringPlanningrenovation

Dieffenbach & Hritz (D&H) is a full-service engineering firm established in 2005, providing engineering and environmental services to the natural gas and coal mining industries, private developers, and public agencies in Pennsylvania, West Virginia, Ohio, Virginia, and North Carolina. The team includes civil engineers, surveyors, landscape architects, biologists, and construction technicians, with offices in three states.

3D laser scanningaerial mapping and remote sensingcivil engineeringconstruction inspectiondrone flyoversEnvironmental ServicesGISland surveyingMechanical Engineeringstructural engineeringtransportation engineeringvolume calculations

Dietz & Company Architects, Inc. is an architecture firm based in Springfield, Massachusetts, with an additional office in Cambridge, MA. The firm describes itself as a community-driven, client-focused, 100% employee-owned company that has been in operation since 1985. It offers a full range of architectural services in both the public and private sectors, taking projects from concept to reality while coordinating consultants.

Historic PreservationPlanningRevit modeling and documentationSustainable Design

DiGeronimo PC are Architects, Planners, and Construction Managers providing professional services to public and government agencies. Established in 1969, the firm has 50 years in business with project experience across New Jersey, New York State, and the New York City metropolitan region. Active markets include Military, Transportation, Housing, and Education. It is a Woman-Owned Business Enterprise (WBE), Small Business Enterprise (SBE), and Disadvantaged Business Enterprise (DBE).

constructability reviewConstruction Contract Administrationconstruction managementCost Estimatingfeasibility studiesintegrity monitoringInterior DesignModel ConstructionPlanningprogram managementrenderingsSustainable Designvalue engineeringvideo & animation

Digital Consultancy Group (DCG), established in 2020, is a US-based IT consulting and software company specializing in SharePoint consulting. The team helps organizations migrate to SharePoint Online, implement Teams for collaboration, and streamline processes with Power Automate, Power Apps, and Power BI. They support all SharePoint versions and platforms, including online, on-premise, and hybrid deployments.

designdevelopmentintegrationMicrosoft Teams implementationmigration to SharePoint OnlineOngoing SupportPower AppsPower AutomatePower BIproject managementSharePoint consulting

DIGSAU is an award-winning firm practicing contemporary architecture, urbanism and environmental design. The firm connects with talented, thoughtful, creative, and passionate architects and designers for future opportunities.

environmental designurbanism

Management Architecture Engineering Planning Dikita Bringing The Community Together For Its Greater Good Who We Are Providing quality services to public sector clients for over 40 years. Dikita is an award-winning engineering consulting firm, providing quality services to public sector clients for more than four decades. We are proud of our excellent reputation in meeting aggressive schedules, effectively managing costs, assembling multi-disciplined project teams, and providing our clients with the specialized attention and service they deserve. Dikita operates through two divisions: Dikita Engineering and Dikita Management Services. Learn More Our Expertise Program Management Construction Management and Inspection Civil Engineering Design Mass Transit Consulting Services Transit Market Research FEATURED ARTICLE D CEO Honors Lucious Williams as a Living Legend in the 2025 Dallas 500 At.

civil engineering designconstruction management and inspectionCost AnalysisCost EstimatingLight Rail Vehicle InspectionMass Transit Consulting ServicesPlanningprogram managementproject controlsquality assuranceSystem SafetyTransit Market Research

Diller Scofidio + Renfro is an interdisciplinary design studio that integrates architecture, the visual arts, and the performing arts.

performing artsvisual arts

Dills Architects is an architecture + urban design practice based in Virginia Beach, VA, with more than forty years of experience designing public spaces, memorials, schools, and cultural institutions across the Mid-Atlantic. The firm's team includes architects, urban designers + planners, interior designers, landscape designers, and design team leaders.

Interior Designlandscape designPlanningurban design

The Selection Center is a high end residential interior design company founded in 2006 by Bo Li, a designer with over 20 years of experience in the interior design industry. The firm provides a tailored design experience, handling projects from initial concept through finished spaces, with a team of experienced designers and craftsmen. It also offers commercial interiors and textiles.

commercial interiorsInterior Designlayout planningrenovation

Diverse Studio is a team of trusted partners committed to intentional, purpose-driven design. It provides the full range of architectural and interior design services for commercial, civic, healthcare, multi-family, mixed-use, K-12, and Higher Education projects. Diverse Studio is a certified MBE/SBE firm that combines the personal attention and agility of a small studio with the technical rigor of a larger practice.

Interior Design

DJG Inc is a versatile architectural engineering firm with offices in Williamsburg, VA and Raleigh, NC, consulting throughout the Mid-Atlantic. The firm offers architecture, interior design, plumbing, mechanical, and electrical engineering, sustainable design, and construction administration, with over 48 years of experience serving industries including higher education, housing authorities, military, private sector, and state & municipal.

construction administrationElectrical EngineeringInterior DesignMechanical EngineeringPlumbing EngineeringSustainable Design

DKW Communications, Inc. (DKW) is a Small Disadvantaged Business (SDB) with over 20 years of experience focusing on enterprise solutions and services for more than 40 Federal Government customers. Headquartered in Washington D.C., DKW provides support on a national and international level in both classified and unclassified environments. DKW is CMMI Level 3 and ISO 9001:2015 certified and has been providing communication services since 2001.

Cybersecuritydatabase administrationdesignmaintenancenetwork administrationOperations & Maintenanceservice desk supportSoftware Applications DevelopmentUnified Communications

DLR Group is a global, integrated design firm that practices worldwide. It is 100% employee-owned and offers architecture, engineering, interior design, planning, building optimization, and specialty services. Its stated promise is to elevate the human experience through design.

acoustic designaudio/visual systems designengineeringExperiential Graphic Designhigh performance designInterior DesignLandscape Architecturelighting designPlanningpreservationreality capturerenewablestheater planning

DLZ is an award-winning architecture, engineering, surveying, and construction services firm with over 100 years of experience and over 900 people in 30 offices. It is a certified Minority Business Enterprise and a graduate of the Federal 8(a) Business Development Program, serving public and private clients across the nation.

construction managementdesign-builddrillingengineeringEnvironmental Remediationgeotechnical engineeringHigh Definition Laser Scanninghydrographic surveyingland surveyingLEED certificationmaterials testingsurveyingUnmanned Aircraft Systems

DNA Architecture + Design is a full service architecture and interior design firm headquartered in Los Angeles, led by architect and educator Valery Augustin. The studio creates transformative spaces for people to live, gather, and work, with work ranging from the domestic to the civic. It specializes in custom residential, hospitality, and commercial design, including restaurant, single-family residential, commercial office, and retail projects.

exhibition designInterior Design

Dokes Design Architecture is a Black-owned and woman-owned architecture and interior design firm based in Detroit. The firm uses a community collaboration and co-creation process to design equitable, creative spaces across affordable housing, civic, and adaptive reuse projects in Detroit and beyond. Founder and Principal is Kimberly Dokes.

3D Modelinganimationsbidding and construction phase servicesconcept design and visioningConstruction DocumentationDesign DevelopmentInterior Designproject managementSchematic DesignSpace Planning

Domokur & Associates is a full-service architectural practice founded in 1975 as Peterson/Raeder Architects. The firm provides master planning, architecture, interior design, and construction management, with expertise in camps and retreat centers, parks and recreation, corporate offices, and higher education facilities. With more than 45 years of experience, the firm emphasizes listening to clients and creating places with timeless styles and lasting value.

AutoCADBIM modelingconstruction managementExisting Conditions SurveysInDesignInterior Designmaster planningPhotoshopproject managementRevitStakeholder Engagement and Design CharrettesSustainable Design and LEED Certification

Dore + Whittier is a New England-based architecture and project management firm with offices in Newburyport, MA and Burlington, VT. It is an award-winning, comprehensive design and project management firm ranked in Architectural Record's Top 300 Architecture Firms in the U.S. and ENR's Top 100 Green Buildings Design Firms. Its roots date to the sixties; Dore + Whittier incorporated in 1992.

feasibility studiesInterior Designmaster planningprogrammingproject managementSustainable Design

DP3 Architects, Ltd. is a full-service architecture and interior design firm founded in 1984 by three Clemson University classmates. Based in Greenville, SC, the firm specializes in higher education, community, restaurant, commercial, and interiors projects, providing design excellence with attention to quality and service for clients locally and nationwide.

environmental brandingInterior Designmaster planningSustainable Design

DRAW is an architecture firm celebrating 20+ years of Positive Impact Design. Its ethos includes elevating the urban and site context, understanding cultural and social dynamics, and using an integrated process to design with empathy and activism. The firm considers cultural and socioeconomic factors, aesthetics, resource impacts, empathy and activism, and spatial impacts in its approach.

urban design

Dreyfuss + Blackford Architecture is an architecture firm whose design work has shaped the built environment of Northern California for decades. Founded in 1950 by Al and Len, the firm has designed projects including the Sacramento Municipal Utility District Headquarters, the San Francisco International Airport (with John Warnecke), the California ISO Headquarters, the Santa Clara County Animal Services Center, and the Museum of Science and Curiosity.

all-electric and solar-ready designdesignLEED Silver designmass timber designrenovation and rehabilitation