ABOUT US

Since 1988, Keystone Engineering Inc. has partnered with clients to deliver smart, reliable engineering and design solutions. Our multi-discipline team combines technical expertise with a strong commitment to safety, quality, and efficiency to support projects of all sizes. With strategically located offices and a trusted family of affiliated companies, we provide responsive, end-to-end services across industries including Oil & Gas, Petrochemical, Manufacturing, Utilities, Marine, Mining, and Renewable Energy.

Engineering with purpose.
Progress built on trust.

Vision
Developing career opportunities for our employees while consistently and safely exceeding our clients’ expectations for quality and responsiveness.
Mission
To be our clients’ preferred provider of engineering and design services.

The standards we hold ourselves to.

The standards we hold ourselves to.

Licensure Map

With licensing across the United States (blue), our offices are strategically located to allow optimal responsiveness and flexibility to execute projects across a wide range of capital expenditures.

Expertise in Numbers

900+

Employees make up our
Keystone Companies Team

75%

of our engineers are
Professional Engineers

1.3M+

Annual Manhour Capacity

$10k-$1B

Project TIC Range

Preferred Partners
Because of
People-First Leadership

The Keystone Family of Companies aids in providing our clients integrated project solutions. Our partnerships support our capability to handle any size project through to completion.

Multi-Discipline Engineering Services

Project Planning & Scheduling, Project Execution, 3D Laser Scanning, and Construction Management

Functional Safety and Process Safety Management

Comprehensive IT Solutions and Cyber Security

Comprehensive On-Site Staffing Resources

Trusted to Start & Finish with Safety

Keystone is committed to relentless improvement in Health, Safety and Environment. Our exceptional HSE performance for over three decades demonstrates this commitment. We recognize that the total commitment to safety must be integrated into every facet of Keystone’s business.

Keystone is effectively positioned to meet your company’s expectations for HSE management and continual improvement. Our systematic approach and experience adapting our processes to numerous HSE Management System frameworks will allow for seamless integration with your company’s HSE-MS.

Awards & Recognition

We are honored to be recognized for excellence in safety, operational performance, and community engagement. From workplace safety achievements to business and industry honors, these recognitions reflect our unwavering commitment to delivering high-quality solutions while upholding the values that define our company. Each award represents the dedication of our team and the trusted partnerships we’ve built with clients, industry organizations, and the communities we serve.

Trusted by Companies Worldwide

Ankor Energy
Apache
Arena Offshore
BP Energy
BP Lubricants
Birla Carbon
Boardwalk Louisiana Midstream
Boardwalk Pipeline Partners
CF Industries
Cabot Corporation
Calumet Specialty Products
Cantium
Cargill
Carrizo
Chevron Company
Chevron Ornite
Chevron Pipeline
ConocoPhillips
Delek Logistics
Delek US
Dominion Virginia Power
Dupont
ENI Petroleum
Eastman Chemicals
EcoServices
Electricite de France
EnLink Midstream
Enbridge
Energy Transfer Company
Energy XXI
Enterprise Products
Enven Energy
Ergon Inc.
Exxonmobil
Formosa Plastics
Gulf Island Fabrication
Helis Oil&Gas Co.
Hess
JAB Energy Solutions
Kinder Morgan
LLOG Exploration Company
Louisiana Offshore Oil Port (LOOP)
LyondellBasell
Marathon Oil
Marathon Petroleum
Mosaic Phosphates
Naranda Aluminina
National Grid
National Renewable Energy Laboratory (NREL)
Navitas Midstream
Occidental Oil & Gas
Orstead
PBF Energy
Petroleum Corporation of Jamaica
Phillips66
Placid Refining
Rain CII Carbon
Repsol
Shell Chemical
Shell Exploration & Production Company
Shell Pipeline
Siemens
Southern Ionics
Spectra Energy
Stolthaven
TC Energy
Targa Resources
Total Petrochemicals & Refining USA Inc.
U.S. Wind Inc.
United Bulk Terminals
United States Trade & Development Agency
VAALCO
Valero Energy
Ventura Foods
Vertex Energy Inc.
Westlake Chemicals Company
Williams Companies
Ankor Energy
Apache
Arena Offshore
BP Energy
BP Lubricants
Birla Carbon
Boardwalk Louisiana Midstream
Boardwalk Pipeline Partners
CF Industries
Cabot Corporation
Calumet Specialty Products
Cantium
Cargill
Carrizo
Chevron Company
Chevron Ornite
Chevron Pipeline
ConocoPhillips
Delek Logistics
Delek US
Dominion Virginia Power
Dupont
ENI Petroleum
Eastman Chemicals
EcoServices
Electricite de France
EnLink Midstream
Enbridge
Energy Transfer Company
Energy XXI
Enterprise Products
Enven Energy
Ergon Inc.
Exxonmobil
Formosa Plastics
Gulf Island Fabrication
Helis Oil&Gas Co.
Hess
JAB Energy Solutions
Kinder Morgan
LLOG Exploration Company
Louisiana Offshore Oil Port (LOOP)
LyondellBasell
Marathon Oil
Marathon Petroleum
Mosaic Phosphates
Naranda Aluminina
National Grid
National Renewable Energy Laboratory (NREL)
Navitas Midstream
Occidental Oil & Gas
Orstead
PBF Energy
Petroleum Corporation of Jamaica
Phillips66
Placid Refining
Rain CII Carbon
Repsol
Shell Chemical
Shell Exploration & Production Company
Shell Pipeline
Siemens
Southern Ionics
Spectra Energy
Stolthaven
TC Energy
Targa Resources
Total Petrochemicals & Refining USA Inc.
U.S. Wind Inc.
United Bulk Terminals
United States Trade & Development Agency
VAALCO
Valero Energy
Ventura Foods
Vertex Energy Inc.
Westlake Chemicals Company
Williams Companies
Ankor Energy
Apache
Arena Offshore
BP Energy
BP Lubricants
Birla Carbon
Boardwalk Louisiana Midstream
Boardwalk Pipeline Partners
CF Industries
Cabot Corporation
Calumet Specialty Products
Cantium
Cargill
Carrizo
Chevron Company
Chevron Ornite
Chevron Pipeline
ConocoPhillips
Delek Logistics
Delek US
Dominion Virginia Power
Dupont
ENI Petroleum
Eastman Chemicals
EcoServices
Electricite de France
EnLink Midstream
Enbridge
Energy Transfer Company
Energy XXI
Enterprise Products
Enven Energy
Ergon Inc.
Exxonmobil
Formosa Plastics
Gulf Island Fabrication
Helis Oil&Gas Co.
Hess
JAB Energy Solutions
Kinder Morgan
LLOG Exploration Company
Louisiana Offshore Oil Port (LOOP)
LyondellBasell
Marathon Oil
Marathon Petroleum
Mosaic Phosphates
Naranda Aluminina
National Grid
National Renewable Energy Laboratory (NREL)
Navitas Midstream
Occidental Oil & Gas
Orstead
PBF Energy
Petroleum Corporation of Jamaica
Phillips66
Placid Refining
Rain CII Carbon
Repsol
Shell Chemical
Shell Exploration & Production Company
Shell Pipeline
Siemens
Southern Ionics
Spectra Energy
Stolthaven
TC Energy
Targa Resources
Total Petrochemicals & Refining USA Inc.
U.S. Wind Inc.
United Bulk Terminals
United States Trade & Development Agency
VAALCO
Valero Energy
Ventura Foods
Vertex Energy Inc.
Westlake Chemicals Company
Williams Companies
Ankor Energy
Apache
Arena Offshore
BP Energy
BP Lubricants
Birla Carbon
Boardwalk Louisiana Midstream
Boardwalk Pipeline Partners
CF Industries
Cabot Corporation
Calumet Specialty Products
Cantium
Cargill
Carrizo
Chevron Company
Chevron Ornite
Chevron Pipeline
ConocoPhillips
Delek Logistics
Delek US
Dominion Virginia Power
Dupont
ENI Petroleum
Eastman Chemicals
EcoServices
Electricite de France
EnLink Midstream
Enbridge
Energy Transfer Company
Energy XXI
Enterprise Products
Enven Energy
Ergon Inc.
Exxonmobil
Formosa Plastics
Gulf Island Fabrication
Helis Oil&Gas Co.
Hess
JAB Energy Solutions
Kinder Morgan
LLOG Exploration Company
Louisiana Offshore Oil Port (LOOP)
LyondellBasell
Marathon Oil
Marathon Petroleum
Mosaic Phosphates
Naranda Aluminina
National Grid
National Renewable Energy Laboratory (NREL)
Navitas Midstream
Occidental Oil & Gas
Orstead
PBF Energy
Petroleum Corporation of Jamaica
Phillips66
Placid Refining
Rain CII Carbon
Repsol
Shell Chemical
Shell Exploration & Production Company
Shell Pipeline
Siemens
Southern Ionics
Spectra Energy
Stolthaven
TC Energy
Targa Resources
Total Petrochemicals & Refining USA Inc.
U.S. Wind Inc.
United Bulk Terminals
United States Trade & Development Agency
VAALCO
Valero Energy
Ventura Foods
Vertex Energy Inc.
Westlake Chemicals Company
Williams Companies