What departments does Roncelli have?

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

What is the largest department at Roncelli?

The largest department at Roncelli is Civil Engineering & Construction with 4 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 grown from approximately 120 to 128 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
170

United States Of America
163
Mexico
4
Canada
3

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
E. C.
Senior Project Manager
Mobile Phone
Email
J. G.
Maintenance Manager
Mobile Phone
Email
G. B.
Site Manager
Mobile Phone
Email

Roncelli Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Business
Community & Social Services
Healthcare Services
Administrative
Other
Civil Engineering & Construction

Contact profiles from Roncelli

Name

Title

Contact

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
Aug 28, 2026
D. W.
Mep Manager
Mobile Phone
Email
Sep 07, 2026
E. C.
Senior Project Manager
Mobile Phone
Email
Oct 22, 2024
J. G.
Maintenance Manager
Mobile Phone
Email
Oct 22, 2024
G. B.
Site Manager
Mobile Phone
Email
Mexico, San Luis Potosí
Aug 30, 2026
C. J.
Construction Manager
Mobile Phone
Email
Sep 10, 2026
G. R.
Principal, General Counsel
Mobile Phone
Email
Jun 25, 2026

Frequently Asked Questions

What is Roncelli known for?

Roncelli was founded in 1966 and operates in the Construction industry. You can contact Roncelli's 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 FLast@roncelli-inc.com. 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 181 employees as of August 2026. These team members are located across 1 continents, including North America.

Who are Roncelli's key employees and leadership?

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

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

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

Roncelli Employee Directory

Find Roncelli employees' phone numbers or email addresses

Name search is limited — try advanced search instead