What departments does Keystone Engineering Inc have?

Keystone Engineering Inc has employees across 11 departments including Entrepreneurship, Marketing, Program & Project Management, Engineering, Arts & Design.

What is the largest department at Keystone Engineering Inc?

The largest department at Keystone Engineering Inc is Arts & Design with 10 employees.

Where are Keystone Engineering Inc employees located globally?

Keystone Engineering Inc has employees across 3 continents and 5 countries including Philippines, France, United Kingdom Of Great Britain And Northern Ireland, United States Of America, Canada.

How has Keystone Engineering Inc's team size changed over time?

Keystone Engineering Inc's team has grown from approximately 340 to 360 employees based on available data.

Keystone Engineering Inc Employee Directory

Engineering ServicesLouisiana, United States201-500 Employees

Keystone Engineering Inc is an engineering services firm based in Mandeville, Louisiana, founded in 1988. It provides engineering solutions across energy, refining, petrochemical, mining, marine, manufacturing, and utilities, with growing activity in renewable energy. A multidisciplinary team emphasizes quality and safety while delivering designs that balance cost, schedule, and practicality. Keystone broadens its capabilities through subsidiaries such as Milestone Project Services, SIS Silverstone, Salmon & Associates, and VeraPro, which offer construction management, process safety management, staffing, and IT services. These entities complement Keystone's core engineering work to support integrated project delivery. In March 2026, Keystone was recognized with the 2025 LWCC Safest 70 Award for workplace safety.

Keystone Engineering Inc Global Highlights

North America
425

United States Of America
424
Canada
1

Asia
7

Philippines
7

Europe
2

France
1
United Kingdom Of Great Britain And Northern Ireland
1

Keystone Engineering Inc's Leadership

J. S.
Owner
Mobile Phone
Email
M. D.
Director , Sales And Marketing
Mobile Phone
Email
L. A.
Project Manager
Mobile Phone
Email
A. T.
Project Manager
Mobile Phone
Email
A. V.
Lead Controls Systems Engineer
Mobile Phone
Email
A. B.
Lead Mechanical/Piping Designer
Mobile Phone
Email
J. P.
Project Manager Project Engineer
Mobile Phone
Email
K. T.
General Manager - Houston
Mobile Phone
Email

Keystone Engineering Inc Employee Metrics

100%

50%

0%

2026

2025

Arts & Design
Engineering
Program & Project Management
Accounting
Business
Other

Contact profiles from Keystone Engineering Inc

Name

Title

Contact

Location

Last Update

H. B.
Process Engineer
Mobile Phone
Email
Oct 22, 2024
J. D. P.
Electrical Engineering Consultant
Mobile Phone
Email
Oct 21, 2024
J. N.
Welder
Mobile Phone
Email
Oct 21, 2024
L. M.
Electrical Engineer
Mobile Phone
Email
Oct 22, 2024
N. C.
Human Resources Assistant
Mobile Phone
Email
Oct 23, 2024
P. P.
It Technician
Mobile Phone
Email
Oct 22, 2024
P. S.
Systems Technician
Mobile Phone
Email
Oct 21, 2024
S. C.
Information Systems
Mobile Phone
Email
Oct 22, 2024
S. S.
Mechanical Designer
Mobile Phone
Email
Apr 23, 2025
A. Z.
Pipe Designer
Mobile Phone
Email
May 31, 2026

Frequently Asked Questions

What is Keystone Engineering Inc known for?

Keystone Engineering Inc was founded in 1988 operates in the Engineering Services industry; you can contact the main corporate office by phone at

+1-985-377-****

. Explore Keystone Engineering Inc's company overview page for more information.

What is Keystone Engineering Inc's most common email format?

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

How many employees does Keystone Engineering Inc have currently?

Keystone Engineering Inc has approximately 494 employees as of July 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are Keystone Engineering Inc's key employees and leadership?

As of July 2026, Keystone Engineering Inc's key employees include:

Owner: J. S.
Director , Sales And Marketing: M. D.
Project Manager: L. A.
Project Manager: A. T.
Lead Controls Systems Engineer: A. V.

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Keystone Engineering Inc Employee Directory

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