People sitting on lounge furniture in a lobby featuring a large, colorful abstract mural.
Photography by Halkin/Mason Photography

September 10, 2026

Words: Annie Block

11 Leading Design Firms Mark Milestone Anniversaries

Nearly a dozen of the industry’s top-grossing firms hit milestone anniversaries—and their work continues to shine bright.

HDR

anniversary 30th (of being employee owned).

project Clifton Center for Medical Breakthroughs, Philadelphia.

year 2021.

standout A game changer medically, architecturally, and environmentally, the ground-up, 1.5-million-square-foot facility offers 504 private patient and 47 operating rooms, state-of-the-art technology, LEED Gold certification, and surroundings that are warm, welcoming, and uplifting, thanks to abundant daylight and an art program that includes Odili Donald Odita’s Field and Sky mural. hdrinc.com

Shadows of two people cast on a colorful geometric wall with sunlight streaming through large windows above.
Photography by Nigel Young/© 2021 Pennfirst.

INC Architecture & Design

anniversary 20th.

project Us is More.

year 2026.

standout It was just two years ago when Adam Rolston, Drew Stuart, and Gabriel Benroth, INC’s cofounding partners, were inducted into the Interior Design Hall of Fame. Now the trio, along with copartners Hilary Kroll and Tyler Kleck, are toasting their firm’s two-decade anniversary with a book, being published by Monacelli on September 30, that traces its practices, philosophies, and projects—Washington’s Morrow Hotel (below third left) and the rink-level concourse at New York’s Rockefeller Center (below right) among them—and focus on joy, utility, and craft, which happens to be what incunditas, necessarius, and creo, abbreviated as INC, means. inc.nyc

  • Three men with facial hair pose together in dark clothing against a plain background; the man in the center stands with arms crossed and wears glasses.
    Gabriel Benroth, Adam Rolston, Drew Stuart. Photography by Sasha Maslov.
  • An open book with a green chair and large pink “S XX” text on the left page, and a beige right page with a list of objects and descriptions in small black font.
    Photography by Courtesy of Monacelli
  • A hardcover book titled “Us Is More” by INC Architecture & Design, published by Monacelli, featuring large metallic silver text on a textured dark cover.
    Photography by Courtesy of Monacelli
  • Modern hotel lobby with high ceilings, circular ceiling features, light-colored furniture, indoor plants, and a reception desk on the left.
    Photography by Eric Laignel
  • Open book displaying architectural photographs of a modern, multi-story building with geometric patterns and large windows against a clear sky.
    Photography by Courtesy of Monacelli
  • Open book showing a modern living room with neutral furniture, round gold tables, large artwork above a fireplace, and tall green plants. Marble floors and large windows are visible.
    Photography by Courtesy of Monacelli
  • Two people walk through a modern lobby with polished floors, wood-paneled walls, a large column, and stylish lighting fixtures. Glass doors are visible in the background.
    Photography by Eric Laignel

EwingCole

anniversary 65th.

project Hope Plaza, Duarte, California.

year 2024.

standout Part of the City of Hope cancer center, the 350,000-square-foot outpatient facility won a 2025 Interior Design Best of Year Award for its calming palette of stone and wood in warm desert tones and artful pastel graphics. ewingcole.com

Modern lobby with colorful abstract mural, lounge chairs, red sofas, and people sitting; a wooden lectern stands near the center.
Photography by Halkin/Mason Photography.

CetraRuddy

anniversary 40th.

project Lincoln Square Synagogue, New York.

year 2013.

standout The building’s facade sections of undulating glass symbolize the five books of the Torah, aka the scroll, the core structure to Judaism’s spiritual, educational, and social values. cetraruddy.com

  • A person walks down stairs in a modern building with curved walls, glass railing, wood paneling, and natural light from large windows.
    Photography by David Sundberg/Esto.
  • Modern building with wavy, illuminated glass facade viewed from below against a clear evening sky.
    Photography by David Sundberg/Esto.

Jeffrey Beers International

anniversary 40th.

project Pier Sixty-Six, Fort Lauderdale, Florida.

year 2025

standout A suite in the hotel portion of the 32-acre complex exhibits the project’s tropical, coastal, and contemporary South Florida theme via a surfboard-reminiscent screen and seagull-like pendants. jeffreybeers.com

Modern living room with colorful geometric wall panels, green sofa, patterned chairs around a wooden table, white pendant lights, and a small plant on a side table.
Photography by Eric Laignel.

HBA

anniversary 60th.

project One&Only Portonovi Herceg Novi, Montenegro.

year 2021.

standout A collaboration between the firm’s London and Singapore studios, the 123-key luxury resort is informed by modern monastic and neo-Palladian architecture, as witnessed in its majestic colonnades, timeworn stone, and vaulted ceilings. hba.com

Indoor pool area with arched alcoves, lounge chairs, mosaic tile walls, lantern-style wall lights, and a decorative fire bowl beside the pool.
Photography by Will Pryce.

M Moser Associates

anniversary 45th.

project Dyson, Singapore.

year 2022.

standout At the global headquarters, a dynamic spiral of a metal staircase is the functional spine linking all four floors of the 140,000-square-foot workplace, which occupies the city-state’s century-old and first municipal power station. mmoser.com

  • Modern atrium with a central black spiral staircase, high ceilings, glass roof, wood floors, and people working at desks and walking.
    Photography by Finbarr Fallon/Courtesy of Dyson.
  • A spiral staircase with illuminated steps viewed from above, with a person walking down. The lighting highlights the curves and structure of the staircase.
    Photography by Finbarr Fallon/Courtesy of Dyson.

KPF

anniversary 50th.

project Lianzhou Building, Shenzhen, China.

year 2024.

standout The new build is the workplace of technology company TP-Link, its interiors centered on an atrium that spans all 30 levels, overlooked by organically curved floors. kpf.com

A multi-story atrium with curved walkways, red seating areas, and a central spiral staircase, viewed from above. Large windows provide natural light.
Photography by Virgile Bertrand/Courtesy of KPF.

Stonehill Taylor

anniversary 40th.

project TWA Hotel, Queens, New York.

year 2019.

standout The firm was among the four that brought Eero Saarinen’s 1962 Trans World Airlines terminal at JFK Airport back to life as a swank hospitality venue, its scope being the 512 guest rooms, each furnished with the mid-century architect’s Tulip table and Womb chair. stonehilltaylor.com

A woman sits in a hotel room with floor-to-ceiling windows overlooking an airport runway, with planes visible outside.
Photography by David Mitchell.

//3877

anniversary 15th.

project Philippe Chow, Nashville, Tennessee.

year 2025.

standout A mechanized installation of colorful Chinese lanterns set against an infinity mirror and framed by a golden arch lures diners into the 8,200-square-foot restaurant occupying a 1906 former railway warehouse. 3877.design

A colorful wall display of umbrellas in a mirrored alcove, next to glass doors and black tile flooring, with lanterns hanging from the ceiling.
Photography by Seth Parker.

Ted Moudis Associates

anniversary 35th.

project Financial office, New York.

year 2025.

standout The 45,000-square-foot office physically manifests optimism and forward progress—the client’s MO—via transparency, openness, texture, curved forms, and connection to sky, clouds, and natural light. tedmoudis.com

Modern office interior with glass walls, wall art featuring faces, and a person walking through a corridor with wood flooring and contemporary decor.
Photography courtesy of Ted Moudis Associates.
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