What departments does J.R. Holzmacher P.E., LLC Consulting Engineers have?

J.R. Holzmacher P.E., LLC Consulting Engineers has employees across 3 departments including Administrative, Program & Project Management, Consultant.

What is the largest department at J.R. Holzmacher P.E., LLC Consulting Engineers?

The largest department at J.R. Holzmacher P.E., LLC Consulting Engineers is Administrative with 1 employees.

Where are J.R. Holzmacher P.E., LLC Consulting Engineers employees located globally?

J.R. Holzmacher P.E., LLC Consulting Engineers has employees across 3 continents and 5 countries including United Kingdom Of Great Britain And Northern Ireland, United States Of America, Canada, Mexico, Brazil.

How has J.R. Holzmacher P.E., LLC Consulting Engineers's team size changed over time?

J.R. Holzmacher P.E., LLC Consulting Engineers's team has grown from approximately 12 to 13 employees based on available data.

J.R. Holzmacher P.E., LLC Consulting Engineers Employee Directory

Civil EngineeringNew York, United States11-50 Employees

J.R. Holzmacher P.E., LLC Consulting Engineers operates in the civil engineering sector, delivering professional engineering services to a diverse set of clients including industry, government agencies at the federal level, water suppliers, municipalities, law firms, and other consulting firms. The firm focuses on water supply, water resources, environmental, civil, electrical, and mechanical engineering, along with data management and operational support, aiming to support projects from planning through execution and maintenance. Based in Ronkonkoma, New York, the company serves customers across public sector and private clients, addressing infrastructure and resource challenges through multidisciplinary engineering expertise. With a relatively small to midsize team, the firm positions itself as a specialized advisory and implementation partner within the civil engineering landscape, operating within the broader professional services ecosystem. The company’s activities align with the civil and environmental sectors, providing integrated engineering services to help clients manage and optimize critical infrastructure and water-related resources.

J.R. Holzmacher P.E., LLC Consulting Engineers Global Highlights

North America
22

United States Of America
20
Canada
1
Mexico
1

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

South America
1

Brazil
1

J.R. Holzmacher P.E., LLC Consulting Engineers's Leadership

J. D.
Interim President
Mobile Phone
Email
P. Z.
Office Manager
Mobile Phone
Email
N. H.
Project Development Manager
Mobile Phone
Email
J. R.
Managing Consultant
Mobile Phone
Email

J.R. Holzmacher P.E., LLC Consulting Engineers Employee Metrics

100%

50%

0%

2026

2025

Engineering
Arts & Design
Biotechnology
Business
Civil Engineering & Construction
Other

Contact profiles from J.R. Holzmacher P.E., LLC Consulting Engineers

Name

Title

Contact

Location

Last Update

J. D.
Interim President
Mobile Phone
Email
Oct 18, 2024
P. Z.
Office Manager
Mobile Phone
Email
Jul 07, 2026
N. H.
Project Development Manager
Mobile Phone
Email
Canada, Quebec
Sep 11, 2026
J. R.
Managing Consultant
Mobile Phone
Email
United Kingdom
Nov 14, 2025

Frequently Asked Questions

What is J.R. Holzmacher P.E., LLC Consulting Engineers known for?

J.R. Holzmacher P.E., LLC Consulting Engineers was founded in 1999 and operates in the Civil Engineering industry. You can contact J.R. Holzmacher P.E., LLC Consulting Engineers's main corporate office by phone at

+1-631-234-****

. Explore J.R. Holzmacher P.E., LLC Consulting Engineers's company overview page for more information.

What is J.R. Holzmacher P.E., LLC Consulting Engineers's most common email format?

J.R. Holzmacher P.E., LLC Consulting Engineers employees' email format typically follows the pattern of First@holzmacher.com. Trying to find reliable and up-to-date employee contact data? Find more J.R. Holzmacher P.E., LLC Consulting Engineers email formats with LeadIQ.

How many employees does J.R. Holzmacher P.E., LLC Consulting Engineers have currently?

J.R. Holzmacher P.E., LLC Consulting Engineers has approximately 14 employees as of September 2026. These team members are located across 3 continents, including North America, Europe and South America.

Who are J.R. Holzmacher P.E., LLC Consulting Engineers's key employees and leadership?

As of September 2026, J.R. Holzmacher P.E., LLC Consulting Engineers's key employees include:

Interim President: J. D.
Office Manager: P. Z.
Project Development Manager: N. H.
Managing Consultant: J. R.

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J.R. Holzmacher P.E., LLC Consulting Engineers Employee Directory

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