What departments does JMA have?

JMA has employees across 3 departments including Education, Consultant, Human Resources.

What is the largest department at JMA?

The largest department at JMA is Education with 1 employees.

Where are JMA employees located globally?

JMA has employees across 1 continents and 2 countries including United States Of America, Mexico.

How has JMA's team size changed over time?

JMA's team has grown from approximately 12 to 19 employees based on available data.

Learn more at LeadIQ.com

JMA Employee Directory

ConstructionCalifornia, United States11-50 Employees

JMA is a Santa Rosa-based construction firm founded in 1987 by Jim Murphy and Jay True. The company builds its culture around stewardship and core values such as integrity, honesty, and fairness, with a focus on listening to clients and prioritizing their interests throughout projects. Construction is approached as a collaborative process that requires attention to detail and humility in handling client resources.

The leadership mantle is currently held by Jesse Malone and Steve Ronchelli; their formal partnership began in 2016, and the pair have served JMA's clients for a combined four decades. The firm operates with a mid-sized team and emphasizes a collaborative, detail-oriented delivery approach within the construction industry. Based in Santa Rosa, California, JMA positions itself as a principled builder that prioritizes client care and thoughtful execution over simply meeting requirements.

JMA Global Highlights

North America
47

United States Of America
46
Mexico
1

JMA's Leadership

C. J.
Task Manager
Mobile Phone
Email
D. N.
Safety Manager
Mobile Phone
Email
E. T.
Human Resource Manager
Mobile Phone
Email
P. P.
Superintendent
Mobile Phone
Email
L. S.
Senior Consultant
Mobile Phone
Email
F. W.
Male Lacrosse
Mobile Phone
Email
S. R.
Human Resources Business Partner
Mobile Phone
Email

JMA Employee Metrics

100%

50%

2026

2025

Program & Project Management
Civil Engineering & Construction
Arts & Design
Business
Other
Accounting

Contact profiles from JMA

Name

Title

Contact

Location

Last Update

C. J.
Task Manager
Mobile Phone
Email
Oct 22, 2024
D. N.
Safety Manager
Mobile Phone
Email
Oct 17, 2024
E. T.
Human Resource Manager
Mobile Phone
Email
Oct 23, 2024
P. P.
Superintendent
Mobile Phone
Email
Oct 18, 2024
L. S.
Senior Consultant
Mobile Phone
Email
Oct 23, 2024
F. W.
Male Lacrosse
Mobile Phone
Email
Oct 21, 2024
S. R.
Human Resources Business Partner
Mobile Phone
Email
Oct 17, 2024

Frequently Asked Questions

What is JMA known for?

JMA was founded in 1987 and operates in the Construction industry. You can contact JMA's main corporate office by phone at

+1-707-576-****

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

What is JMA's most common email format?

JMA employees' email format typically follows the pattern of First@j-m-a.com. Trying to find reliable and up-to-date employee contact data? Find more JMA email formats with LeadIQ.

How many employees does JMA have currently?

JMA has approximately 35 employees as of August 2026. These team members are located across 1 continents, including North America.

Who are JMA's key employees and leadership?

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

Task Manager: C. J.
Safety Manager: D. N.
Human Resource Manager: E. T.
Superintendent: P. P.
Senior Consultant: L. S.

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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

JMA Employee Directory

Find JMA employees' phone numbers or email addresses

Name search is limited — try advanced search instead