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Insights

Healthcare & Labs Strong focus on healthcare and institutional projects with ongoing MEP/FP services for hospitals, VA facilities, and medical centers, signaling steady demand for design and upgrades in clinical environments.

Major Projects Recent and upcoming high-profile project list including hospital expansions, energy audits, NRC master planning, and large diagnostic centers presents multiple cross-sell and expansion opportunities across healthcare, education, and government sectors.

Long Tenure Team A sizable portion of staff with long tenure (15+ to 25+ years) indicates deep expertise, reliability, and strong client trust, suggesting opportunities to upsell specialized design reviews, retrofit work, and performance optimization.

Public Sector Footprint Ongoing term contracts with HHC, VAMC, NYSERDA, DDC, SCA, OGS, GSA and FIT show established relationships with government and public agencies, enabling targeted proposals for renewal, scope expansion, and energy efficiency initiatives.

Energy & Efficiency Active involvement in energy-related projects (ASHRAE Level II energy audits, rapid response labs, data center upgrades, boiler plant upgrades) signals opportunities for energy performance contracting, retrofits, and sustainability-driven procurement.

Similar companies to Kallen & Lemelson, Consulting Engineers, LLP

Kallen & Lemelson, Consulting Engineers, LLP Tech Stack

Kallen & Lemelson, Consulting Engineers, LLP uses 8 technology products and services including Google AdSense, Sucuri, WordPress, and more. Explore Kallen & Lemelson, Consulting Engineers, LLP's tech stack below.

Kallen & Lemelson, Consulting Engineers, LLP's Email Address Formats

Kallen & Lemelson, Consulting Engineers, LLP uses at least 4 email formats:
Kallen & Lemelson, Consulting Engineers, LLP Email FormatsExamplePercentage
FLast@klengineers.comJDoe@klengineers.com
87%
Last@klengineers.comDoe@klengineers.com
5%
FirstL@klengineers.comJohnD@klengineers.com
5%
First.Last@klengineers.comJohn.Doe@klengineers.com
3%

Frequently Asked Questions

What is Kallen & Lemelson, Consulting Engineers, LLP's phone number?

Minus sign iconPlus sign icon You can contact Kallen & Lemelson, Consulting Engineers, LLP's main corporate office by phone at
+1-212-643-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Kallen & Lemelson, Consulting Engineers, LLP's official website and social media links?

Minus sign iconPlus sign iconKallen & Lemelson, Consulting Engineers, LLP's official website is klengineers.com and has social profiles on LinkedIn.

How much revenue does Kallen & Lemelson, Consulting Engineers, LLP generate?

Minus sign iconPlus sign icon As of September 2026, Kallen & Lemelson, Consulting Engineers, LLP's annual revenue is estimated to be $10M - $25M.

What is Kallen & Lemelson, Consulting Engineers, LLP's SIC code and NAICS code?

Minus sign iconPlus sign iconKallen & Lemelson, Consulting Engineers, LLP's SIC code is 8711 - Engineering Services and NAICS code is 3332 - Industrial Machinery Manufacturing.

How many employees does Kallen & Lemelson, Consulting Engineers, LLP have currently?

Minus sign iconPlus sign iconAs of September 2026, Kallen & Lemelson, Consulting Engineers, LLP has approximately 19 employees across 1 continents, including North America. Key team members include Chief Executive Officer: A. K., Chief Financial Officer: M. G. and Chairman: A. A. Explore Kallen & Lemelson, Consulting Engineers, LLP's employee directory with LeadIQ.

What industry does Kallen & Lemelson, Consulting Engineers, LLP belong to?

Minus sign iconPlus sign iconKallen & Lemelson, Consulting Engineers, LLP operates in the Industrial Machinery Manufacturing industry.

What technology does Kallen & Lemelson, Consulting Engineers, LLP use?

Minus sign iconPlus sign iconKallen & Lemelson, Consulting Engineers, LLP's tech stack includes Google AdSense, Sucuri, WordPress, Barracuda Email Protection, PHP, X-Content-Type-Options, Nginx and Max Mega Menu.

What is Kallen & Lemelson, Consulting Engineers, LLP's email format?

Minus sign iconPlus sign iconKallen & Lemelson, Consulting Engineers, LLP's email format typically follows the pattern of FLast@klengineers.com. Find more Kallen & Lemelson, Consulting Engineers, LLP email formats with LeadIQ.
Kallen & Lemelson, Consulting Engineers, LLP logo

Kallen & Lemelson, Consulting Engineers, LLP

Industrial Machinery ManufacturingNew York, United States11-50 Employees

Kallen & Lemelson, Consulting Engineers, LLP, is a New York City, New York-based professional engineering firm established in 1957 that designs mechanical, electrical, plumbing, and fire protection systems for buildings. The firm serves a broad range of building types, with emphasis on healthcare and education, including hospitals, laboratories, higher education campuses, K-12 facilities, and government or cultural institutions.

A significant portion of its engineers have long tenures with the firm, contributing to continuity and depth of expertise. It maintains ongoing term contracts with public and institutional clients, such as HHC, VAMC, NYSERDA, DDC, SCA, OGS, GSA and FIT. Notable projects illustrate activity across healthcare, education and cultural facilities, including the U.S. Merchant Marine Academy electrical distribution upgrade and the Brooklyn Hospital Center chiller plant replacement.

Section iconCompany Overview

Phone number
+1-212-643-****
Website
klengineers.com
SIC Code
8711 - Engineering Services
NAICS Code
3332 - Industrial Machinery Manufacturing
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Kallen & Lemelson, Consulting Engineers, LLP's revenue is estimated to be in the range of $10M - $25M

Company Leadership

  • Chief Executive Officer at Kallen & Lemelson, Consulting Engineers, LLP
    A. K.
    Chief Executive Officer
    Mobile Phone
  • Chief Financial Officer at Kallen & Lemelson, Consulting Engineers, LLP
    M. G.
    Chief Financial Officer
    Mobile Phone
  • Chairman at Kallen & Lemelson, Consulting Engineers, LLP
    A. A.
    Chairman
    Mobile Phone
  • Owner at Kallen & Lemelson, Consulting Engineers, LLP
    F. J.
    Owner
    Mobile Phone
  • Partner at Kallen & Lemelson, Consulting Engineers, LLP
    G. O.
    Partner
    Mobile Phone

Employee Directory

  • Owner Principal at Kallen & Lemelson, Consulting Engineers, LLP
    R. M.
    Owner Principal
    Mobile Phone
  • Human Resource Director at Kallen & Lemelson, Consulting Engineers, LLP
    E. O.
    Human Resource Director
    Mobile Phone
  • Editorial Director at Kallen & Lemelson, Consulting Engineers, LLP
    J. S.
    Editorial Director
    Mobile Phone
  • Director Of Engineering at Kallen & Lemelson, Consulting Engineers, LLP
    R. A.
    Director Of Engineering
    Mobile Phone
  • General Manager at Kallen & Lemelson, Consulting Engineers, LLP
    A. F.
    General Manager
    Mobile Phone

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