Call Now
Website
Call
Business Details
42 Years
experience
Emergency
services
Your Trusted Infrastructure Partner
Matrix Service has evolved from a small garage operation into a mid-size public corporation delivering engineering, fabrication, construction, and maintenance services across North America and beyond. Founded in 1984, we employ over 2,000 dedicated professionals committed to safety, integrity, and excellence in every project. Our expertise spans critical infrastructure development for energy, industrial, and power sectors, supported by a zero-incident safety culture and cutting-edge technical capabilities. With four operating companies working collaboratively, we offer comprehensive solutions from concept to completion, ensuring timely and budget-conscious delivery.

Recognized as a top-tier contractor by Engineering-News Record and a Great Place to Work, our success stems from aligning with core values: safety, stewardship, community involvement, and delivering the best. Our repeat customer rate of 90% reflects our ability to consistently exceed expectations through technical expertise, innovative problem-solving, and unwavering commitment to client partnerships. Headquartered in Tulsa, Oklahoma, with global operations, we maintain ISO 9001 certification and OSHA VPP Star status, demonstrating our leadership in quality management and workplace safety.
Services
Engineering Design Fabrication Construction Maintenance Repair Services Storage Solutions Power Infrastructure Industrial Facilities Gas Processing EPC Projects
Details
  • Year established: 1984
Highlights and features
  • We offer 40+ years of specialized expertise in energy infrastructure construction
  • Our ISO 9001-certified quality management system ensures consistent excellence
  • OSHA VPP Star status demonstrates our industry-leading safety performance
  • 90% repeat customer rate proves our commitment to client satisfaction
  • 2,000+ skilled professionals deliver complex projects on time and budget
Associations and certifications
  • ISO 9001
  • OSHA VPP Star
What people say
Powerful approach Reliable and dependable No lost time injuries Quality work Aggressive schedules
Services
Engineering Design
Our engineering teams provide comprehensive design solutions for energy and industrial infrastructure projects. Specializing in FEED studies, conceptual design, and detailed engineering, we deliver innovative solutions for storage tanks, processing facilities, and power systems. With 40 years of experience and 56 professional engineering licenses, our experts ensure technically sound, code-compliant designs that optimize functionality and cost-efficiency while meeting strict safety and environmental standards.
Fabrication
We offer full-service fabrication of storage tanks, pressure vessels, and specialty structures at our state-of-the-art facilities. Our ISO 9001-certified processes produce high-quality components for energy, industrial, and petrochemical applications. With capabilities in plate, pipe, structural, and vessel fabrication, we maintain strict quality control while meeting demanding project timelines and safety requirements for both domestic and international projects.
Construction
Our construction division executes complex infrastructure projects across multiple sectors including oil & gas, power generation, and industrial facilities. With union-certified crews and extensive equipment resources, we deliver EPC solutions from site preparation to final commissioning. Our focus on safety excellence, demonstrated through OSHA VPP Star status, ensures reliable execution of projects ranging from LNG facilities to renewable energy installations across North America and globally.
Maintenance
We provide comprehensive maintenance services including routine upkeep, turnarounds, and emergency repairs for industrial and energy facilities. Our API 653-certified technicians perform tank maintenance, process system upgrades, and storm response services. With rapid deployment capabilities and deep industry expertise, we help clients maintain operational efficiency while adhering to strict safety protocols and regulatory requirements across refining, petrochemical, and power generation sectors.
Storage Solutions
Our storage solutions division designs and constructs aboveground storage tanks, cryogenic vessels, and specialty containment systems. Offering FlowDome geodesic domes, internal floating roofs, and seismic-resistant designs, we serve the oil & gas, chemical, and renewable energy markets. With global installation capabilities and patented technologies, we deliver storage systems that optimize safety, environmental compliance, and operational efficiency for both new construction and facility upgrades.
People
John Hewitt
President and CEO
John R. Hewitt leads Matrix Service with over 30 years of EPC industry experience. Prior to joining Matrix, he held executive roles at Aker Solutions overseeing major capital projects in power and LNG sectors. A civil engineering graduate, he actively participates in Construction Industry Institute committees and brings deep expertise in managing complex infrastructure projects globally.
Kevin Cavanah
Chief Financial Officer
Kevin S. Cavanah serves as CFO with over 25 years of financial leadership experience in the construction industry. He joined Matrix in 2003 and has held multiple financial roles including Controller and Vice President of Accounting. A certified public accountant, he previously worked with Ernst & Young and major energy companies, bringing comprehensive financial management expertise to Matrix's global operations.
Nancy Austin
Vice President and Chief Administrative Officer
Nancy E. Austin oversees Human Resources, Training, and Corporate Marketing with 20+ years of leadership at Matrix. She holds a Bachelor of Science in Political Science and PHR certification. Prior to Matrix, she worked in HR management roles at TV Guide and Samson Resources, bringing extensive experience in organizational development and talent management to support Matrix's growth.
Kenneth Erdmann
Vice President, Engineering
Ken Erdmann, a licensed professional engineer with 56 registrations across North America, leads Matrix PDM Engineering's technical operations. With over 30 years of experience, he has driven innovation in storage tank design and holds multiple patents. He actively chairs API committees and has been instrumental in developing industry standards for aboveground storage tank design and safety.
Shawn Payne
President, Engineering & Construction
Shawn Payne serves as President of Engineering & Construction with over 20 years of leadership in the EPC sector. He joined Matrix in 2012 and has held various executive roles including Senior Vice President of Operations. With a finance background and prior experience at Aker Solutions and Jacobs, he brings comprehensive project management expertise to Matrix's complex infrastructure projects.
Questions
What industries does Matrix Service Company specialize in?
We specialize in energy, industrial, and power infrastructure sectors including oil & gas, refining, petrochemical, power generation, and renewable energy projects.
Do you offer international project capabilities?
Yes, we execute projects globally with operations in North America, Middle East, Asia, and Australia through our four operating companies.
What safety certifications does Matrix hold?
We maintain ISO 9001 quality certification and OSHA VPP Star status, with a zero-incident safety culture across all operations.
Can you handle emergency repair situations?
Yes, our emergency response teams provide storm recovery and urgent repair services with rapid deployment capabilities for critical infrastructure.
What differentiates Matrix from other contractors?
Our combination of technical expertise, safety excellence, and client-focused partnership approach has earned us 90% repeat customer retention.
Do you provide full lifecycle project support?
Yes, we offer comprehensive services from concept design through construction, maintenance, and facility upgrades for complete project lifecycle management.