What departments does HLZAE have?

HLZAE has employees across 7 departments including Marketing, Program & Project Management, Business, Engineering, Operations.

What is the largest department at HLZAE?

The largest department at HLZAE is Program & Project Management with 5 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 97 employees based on available data.

HLZAE Employee Directory

Architecture and PlanningNew York, United States51-200 Employees

HLZAE is a New York-based architectural and planning firm founded in 1981 by Howard L. Zimmerman, AIA, with a multidisciplinary team of architects, engineers, designers, and specialists. Located at 11 West 30th Street, New York, NY 10001, the firm serves residential, commercial, and industrial properties with a focus on exterior façades and building systems. It provides a full range of services including façade restoration, interior and exterior rehabilitation, MEP and structural engineering, historic preservation, roof inspection and repair, and interior design for apartments, lobbies, and common areas. HLZAE emphasizes assessment, evaluation, cost estimation, scheduling, material research, codes and methods, specifications, and resolution of complex construction challenges and defect issues, including forensic investigation. With over 40 years of experience and a staff of 51-200 employees, the firm reports annual revenue in the range of $25 million to $50 million and is certified by Great Place to Work for 2022–2024.

HLZAE Global Highlights

North America
127

United States Of America
127

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

J. G.
Director Of Marketing
Mobile Phone
Email
A. C.
Senior Project Manager
Mobile Phone
Email
A. G.
Senior Project Manager
Mobile Phone
Email
B. B.
Manager, Business
Mobile Phone
Email
J. C.
Senior Manager
Mobile Phone
Email
P. D.
Senior Project Manager
Mobile Phone
Email
Y. K.
Senior Field Associate
Mobile Phone
Email
R. S.
Project Architect
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

Location

Last Update

W. T.
Project Architect
Mobile Phone
Email
Apr 16, 2026
E. S.
Operations Associate
Mobile Phone
Email
Feb 18, 2026
A. B.
Accountant
Mobile Phone
Email
Aug 06, 2024
J. V.
Office Administrator
Mobile Phone
Email
Oct 16, 2024
M. Y.
Project Associate Lll
Mobile Phone
Email
Jun 26, 2026
A. L.
Clients Relation Coordinator
Mobile Phone
Email
Jun 28, 2026
E. F.
Proposals Specialist & Client Relations Coordinator
Mobile Phone
Email
Jun 29, 2026
F. R.
Mobile Phone
Email
Apr 02, 2025
S. B.
Mobile Phone
Email
UNITED KINGDOM, West Yorkshire
Oct 31, 2023

Frequently Asked Questions

What is HLZAE known for?

HLZAE was founded in 1981 and operates in the Architecture and Planning industry. You can contact HLZAE's 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 FLast@hlzimmerman.com. 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 109 employees as of August 2026. These team members are located across 4 continents, including North America, Asia and Africa.

Who are HLZAE's key employees and leadership?

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

Director Of Marketing: J. G.
Senior Project Manager: A. C.
Senior Project Manager: A. G.
Manager, Business: B. B.
Senior Manager: J. C.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

HLZAE Employee Directory

Find HLZAE employees' phone numbers or email addresses

Name search is limited — try advanced search instead