What departments does HLZAE have?

HLZAE has employees across 8 departments including Engineering, Business Development, Operations, Finance, Marketing.

What is the largest department at HLZAE?

The largest department at HLZAE is Program & Project Management with 28 employees.

Where are HLZAE employees located globally?

HLZAE has employees across 4 continents and 5 countries including South Africa, Singapore, Philippines, United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has HLZAE's team size changed over time?

HLZAE's team has decreased from approximately 107 to 94 employees based on available data.

HLZAE Employee Directory

Architecture and PlanningNew York, United States51-200 Employees

Buildings are our passion, new and old, inside and out.

Founded in 1981, Howard L. Zimmerman, AIA, organized a professional team of architects, engineers and designers as well as technical, material, building systems specialists who are expert in façade restoration, interior and exterior rehabilitation, MEP and structural engineering, historic preservation, and roof inspection and repair. Howard's philosophy of personal relationships and stellar service, has resulted in a long-standing reputation as a go-to architectural resource focused on the building as an operational unit.

HLZAE understands the design and technical needs of new and older buildings, with special focus on their exterior façades and building systems. Our goal is to provide you with the highest quality professional architectural and engineering services with the firm's unwavering commitment to preserving a structure's design integrity.

HLZAE is a full-service architectural firm with over 40 years of experience serving residential, commercial, and industrial properties in all aspects of exterior and interior building design, building renovation, and forensic investigation. The firm also offers interior design services for apartments, lobbies, and common areas.

At HLZAE, we address the maintenance, repair, and rehabilitation needs of existing buildings. Our primary responsibility is to assess, evaluate and analyze buildings, estimate costs, produce schedules, research materials, codes and methods, prepare specifications, and resolve complex construction challenges and defect litigation issues. Through our commitment to understanding exterior façades and appurtenances as well as the interior building systems and structure, we provide our clients with a thorough analysis and evaluation upon which they can base their construction, restoration and rehabilitation decisions.

HLZAE is Certified™ by Great Place to Work® for 2022, 2023 and 2024.

Find HLZAE employees' phone numbers or email addresses

HLZAE Global Highlights

North America
131

United States Of America
131

Asia
4

Singapore
3
Philippines
1

Africa
1

South Africa
1

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

HLZAE's Leadership

H. L. Z.
Founder And President
Mobile Phone
Email
L. J.
Director
Mobile Phone
Email
K. H.
Director Of Client Relations
Mobile Phone
Email
A. I.
Director, Code And Zoning
Mobile Phone
Email
B. C.
Director, Structural Engineering
Mobile Phone
Email
C. C.
Director, Facade Complaince
Mobile Phone
Email
E. S.
Director Of Business Development
Mobile Phone
Email
J. G.
Director Of Engineering
Mobile Phone
Email

HLZAE Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Accounting
Business
Administrative
Arts & Design
Other

Contact profiles from HLZAE

Name

Title

Contact Info

Location

Last Update

M. G.
Associate Director
Mobile Phone
Email
United StatesNew York
May 22, 2024
D. M.
Associate Director
Mobile Phone
Email
United StatesNew York
Mar 24, 2026
D. S.
Executive Director Finance
Mobile Phone
Email
United StatesNew York
Jul 10, 2024
J. F.
Associate Director
Mobile Phone
Email
United StatesNew York
Apr 16, 2026
J. G.
Director Of Marketing
Mobile Phone
Email
Oct 16, 2024
T. O. F.
Mep Director
Mobile Phone
Email
United StatesNew York
Oct 17, 2024
D. S.
Executive Director, Finance
Mobile Phone
Email
United States
Jul 10, 2024
M. B.
Project Manager
Mobile Phone
Email
United StatesNew York
Apr 01, 2026
M. C.
Project Manager
Mobile Phone
Email
United StatesNew Jersey
Apr 13, 2026
M. G.
Project Manager
Mobile Phone
Email
United StatesNew York
Apr 01, 2026

Frequently Asked Questions

What is HLZAE known for?

HLZAE was founded in 1981 operates in the Architecture and Planning industry. The company's main headquarters is located in 11 West 30th Street New York, New York 10001 United States; you can contact the main corporate office by phone at

+1-212-564-****

. Explore HLZAE's company overview page for more information.

What is HLZAE's most common email format?

HLZAE employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more HLZAE email formats with LeadIQ.

How many employees does HLZAE have currently?

HLZAE has approximately 107 employees as of April 2026. These team members are located across 4 continents, including North AmericaAsiaAfrica.

Who are HLZAE's key employees and leadership?

As of April 2026, HLZAE's key employees include:

Founder And President: H. L. Z.
Director: L. J.
Director Of Client Relations: K. H.
Director, Code And Zoning: A. I.
Director, Structural Engineering: B. C.

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