What departments does Roncelli have?

Roncelli has employees across 6 departments including Accounting, Program & Project Management, Civil Engineering & Construction, Legal, Administrative.

What is the largest department at Roncelli?

The largest department at Roncelli is Program & Project Management with 5 employees.

Where are Roncelli employees located globally?

Roncelli has employees across 1 continents and 3 countries including United States Of America, Mexico, Canada.

How has Roncelli's team size changed over time?

Roncelli's team has remained stable from approximately 120 to 120 employees based on available data.

Roncelli Employee Directory

Q: Who are Roncelli's key employees and leadership?

Roncelli's key employees include: President: J. S., President: T. T..

ConstructionMichigan, United States51-200 Employees

Roncelli is a privately owned construction company founded in 1966 and based in Sterling Heights, Michigan, with an additional office in Detroit and project sites across North America. It provides contracting services to healthcare, industrial, commercial, and institutional markets, delivering construction management solutions to help clients execute complex facilities. The firm emphasizes loyalty, integrity, and family as its guiding values, shaping interactions with clients and its long-standing reputation.

With operations across the United States, Canada, and Mexico, Roncelli maintains a North American footprint through regional offices and on-site project locations. In 2025, the company partnered with the Detroit Zoo on the Treemendous Walking Structure, a project illustrating its involvement in distinctive public-facing builds. The organization operates from Sterling Heights and Detroit, supporting projects across North America with a mid-sized team focused on coordination and delivery.

Roncelli Global Highlights

North America
168

United States Of America
161
Canada
5
Mexico
2

Roncelli's Leadership

J. S.
President
Mobile Phone
Email
T. T.
President
Mobile Phone
Email
N. P.
Controller
Mobile Phone
Email
D. B.
Project Manager
Mobile Phone
Email
D. W.
Mep Manager
Mobile Phone
Email
D. M.
Project Manager
Mobile Phone
Email
D. L.
Project Manager
Mobile Phone
Email
E. C.
Senior Project Manager
Mobile Phone
Email

Roncelli Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Business
Community & Social Services
Healthcare Services
Administrative
Other

Contact profiles from Roncelli

Name

Title

Contact Info

Location

Last Update

J. S.
President
Mobile Phone
Email
Oct 17, 2024
T. T.
President
Mobile Phone
Email
Oct 23, 2024
N. P.
Controller
Mobile Phone
Email
May 19, 2026
D. B.
Project Manager
Mobile Phone
Email
Jun 26, 2026
D. W.
Mep Manager
Mobile Phone
Email
May 30, 2026
D. M.
Project Manager
Mobile Phone
Email
CanadaOntario
D. L.
Project Manager
Mobile Phone
Email
CanadaOntario
E. C.
Senior Project Manager
Mobile Phone
Email
Oct 22, 2024
J. G.
Maintenance Manager
Mobile Phone
Email
Oct 22, 2024
C. J.
Construction Manager
Mobile Phone
Email
Aug 04, 2026

Frequently Asked Questions

What is Roncelli known for?

Roncelli was founded in 1966 operates in the Construction industry; you can contact the main corporate office by phone at

+1-586-264-****

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

What is Roncelli's most common email format?

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

How many employees does Roncelli have currently?

Roncelli has approximately 179 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are Roncelli's key employees and leadership?

As of July 2026, Roncelli's key employees include:

President: J. S.
President: T. T.
Controller: N. P.
Project Manager: D. B.
Mep Manager: D. W.

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Roncelli Employee Directory

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