What departments does M&D have?

M&D has employees across 11 departments including Finance, Information Technology, Human Resources, Business Development, Manufacturing.

What is the largest department at M&D?

The largest department at M&D is Human Resources with 2 employees.

Where are M&D employees located globally?

M&D has employees across 6 continents and 29 countries including Angola, Tunisia, South Africa, Saudi Arabia, Iran.

How has M&D's team size changed over time?

M&D's team has grown from approximately 217 to 229 employees based on available data.

M&D Employee Directory

Q: Who are M&D's key employees and leadership?

M&D's key employees include: Chief Financial Officer: J. B., Chief Information Officer: S. K., Vice President Human Resources: L. H., President: G. M., President: M. M..

Truck TransportationTexas, United States501-1000 Employees

M&D is a truck transportation company focused on the diesel aftermarket, specializing in remanufacturing and parts distribution. Based in Humble, Texas, it has a long history in the industry and serves customers who rely on diesel systems for critical operations. The company offers a broad range of premium diesel parts and technical support designed to minimize downtime and ensure the right part is selected the first time. Through acquisitions, M&D has expanded its national footprint from 12 branches in 2021 to 33 branches today, broadening service reach and product availability.

In 2026, Royce Riddle was appointed Senior Vice President of Marketing, Digital and E-Commerce to lead the company's marketing and online strategy. The Diesel Store maintains a national footprint across multiple locations and operates a website at https://thedieselstore.com.

M&D Global Highlights

North America
203

United States Of America
197
Canada
3
Mexico
2
Dominican Republic
1

Europe
20

Albania
4
France
4
Italy
3
United Kingdom Of Great Britain And Northern Ireland
3
Spain
2
Netherlands
2
Ireland
1
Germany
1

South America
20

Argentina
6
Chile
5
Brazil
5
Peru
2
Colombia
1
Venezuela
1

Asia
9

China
3
Iran
2
Saudi Arabia
1
Sri Lanka
1
Turkey
1
India
1

Africa
4

South Africa
2
Angola
1
Tunisia
1

M&D's Leadership

J. B.
Chief Financial Officer
Mobile Phone
Email
S. K.
Chief Information Officer
Mobile Phone
Email
L. H.
Vice President Human Resources
Mobile Phone
Email
G. M.
President
Mobile Phone
Email
M. M.
President
Mobile Phone
Email
R. S.
President
Mobile Phone
Email
D. C.
Non-Executive Chairman Of The Board Of Managers, M&d Parent Holdings, Llc
Mobile Phone
Email
K. R.
Owner
Mobile Phone
Email

M&D Employee Metrics

100%

50%

0%

2026

2025

Administrative
Sales
Supply Chain
Accounting
Community & Social Services
Other
Information Technology

Contact profiles from M&D

Name

Title

Contact

Location

Last Update

S. M.
Director Of Business Development
Mobile Phone
Email
Oct 22, 2024
I. W.
Sr. Manufacturing Manager
Mobile Phone
Email
CanadaOntario
Jan 02, 2026
A. S.
Sales Manager
Mobile Phone
Email
Kosovo
May 30, 2026
D. B.
Warehouse Manager
Mobile Phone
Email
Jul 01, 2026
T. H.
Branch Manager
Mobile Phone
Email
Oct 17, 2024
E. R.
Manager
Mobile Phone
Email
Albania
Jul 07, 2026
M. T.
Socio Consultor
Mobile Phone
Email
BrazilState of Minas Gerais
Jan 02, 2026
D. T.
Recruiter
Mobile Phone
Email
Jun 27, 2026
M. A. A. B.
Accounting Supervisor
Mobile Phone
Email
CanadaOntario
Jun 25, 2026
Y. F.
Gerente General
Mobile Phone
Email
Argentina
May 14, 2026

Frequently Asked Questions

What is M&D known for?

M&D was founded in 1943 operates in the Truck Transportation industry; you can contact the main corporate office by phone at

+1-713-928-****

. Explore M&D's company overview page for more information.

What is M&D's most common email format?

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

How many employees does M&D have currently?

M&D has approximately 506 employees as of August 2026. These team members are located across 5 continents, including North AmericaEuropeSouth America.

Who are M&D's key employees and leadership?

As of August 2026, M&D's key employees include:

Chief Financial Officer: J. B.
Chief Information Officer: S. K.
Vice President Human Resources: L. H.
President: G. M.
President: M. M.

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M&D Employee Directory

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