Insights

Safety leadership Keystone Engineering has earned multiple Safest 70 awards (2022, 2023, 2025) and emphasizes a safety-first culture. This positions the company as a trusted partner for clients with rigorous safety and compliance requirements, suggesting opportunities to offer advanced safety management, process safety consulting, and safety-focused training services.

Industry breadth With experience across Energy, Refining, Petrochemical, Mining, Marine, Manufacturing, Utilities, and Renewable Energy, Keystone serves diverse EPC and engineering needs. Leverage cross-industry capabilities to position integrated design-build, lifecycle engineering, and multi-discipline project management services to clients expanding or diversifying their asset portfolios.

Subsidiary capabilities Subsidiaries provide Construction Management, Process Safety Management, Staffing, and IT services, enabling a one-stop solution for project execution and operations. Pursue bundled offerings combining engineering design with construction oversight, safety programs, and IT-enabled workforce solutions to win larger, complex projects.

Recognized expertise Award mentions include Outstanding Business of the Year and Be Inspired offshore innovation, plus a track record of offshore wind projects. This pedigree can be leveraged to target clients in offshore, wind, and other capital-intensive sectors seeking proven partners for innovative, safety-conscious, and cost-conscious project delivery.

Financial scale Revenue range of 500M to 1B and a sizable employee base position Keystone as a capable mid-to-large engineering services partner. This supports pursuit of larger opportunities, long-term contracts, and value-based pricing discussions for complex, multi-year programs.

Similar companies to Keystone Engineering Inc

Keystone Engineering Inc Tech Stack

Keystone Engineering Inc uses 8 technology products and services including Wix, Microsoft 365, Azure Active Directory, and more. Explore Keystone Engineering Inc's tech stack below.

Media & News

Keystone Engineering Inc's Email Address Formats

Keystone Engineering Inc uses at least 4 email formats:
Keystone Engineering Inc Email FormatsExamplePercentage
FLast@keystoneengr.comJDoe@keystoneengr.com
93%
Last@keystoneengr.comDoe@keystoneengr.com
6%
First.Last@keystoneengr.comJohn.Doe@keystoneengr.com
1%
FLast@keystoneeng.comJDoe@keystoneeng.com
100%

Frequently Asked Questions

What is Keystone Engineering Inc's phone number?

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You can contact Keystone Engineering Inc's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Keystone Engineering Inc's official website and social media links?

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Keystone Engineering Inc's official website is keystoneengr.com and has social profiles on LinkedIn.

How much revenue does Keystone Engineering Inc generate?

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As of October 2026, Keystone Engineering Inc's annual revenue is estimated to be $500M - $1B.

What is Keystone Engineering Inc's SIC code and NAICS code?

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Keystone Engineering Inc's SIC code is 8711 - Engineering Services and NAICS code is 5413 - Architectural, Engineering, and Related Services.

How many employees does Keystone Engineering Inc have currently?

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As of October 2026, Keystone Engineering Inc has approximately 503 employees across 2 continents, including North America and Europe. Key team members include Owner: J. S., Director , Sales And Marketing: M. D. and Project Manager: L. A. Explore Keystone Engineering Inc's employee directory with LeadIQ.

What industry does Keystone Engineering Inc belong to?

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Keystone Engineering Inc operates in the Engineering Services industry.

What technology does Keystone Engineering Inc use?

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Keystone Engineering Inc's tech stack includes Wix, Microsoft 365, Azure Active Directory, Cisco, Fortinet, Microsoft Teams, VMware and Adobe Creative Suite.

What is Keystone Engineering Inc's email format?

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Keystone Engineering Inc's email format typically follows the pattern of FLast@keystoneengr.com. Find more Keystone Engineering Inc email formats with LeadIQ.

When was Keystone Engineering Inc founded?

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Keystone Engineering Inc was founded in 1988.
Keystone Engineering Inc logo

Keystone Engineering Inc

Engineering ServicesLouisiana, United States501-1000 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.

Section iconCompany Overview

Phone number
SIC Code
8711 - Engineering Services
NAICS Code
5413 - Architectural, Engineering, and Related Services
Founded
1988
Employees
501-1000

Section iconFunding & Financials

  • $500M - $1B

    Keystone Engineering Inc's revenue is estimated to be in the range of $500M - $1B

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