PEPM Group PLLC
Creating Value for Global Customers Through Real-World Engineering.
About the firm
PEPM Group is a multi-discipline engineering firm licensed in 49 states, with deep specialization in meat and poultry processing plant design, manufacturing facilities, and the oil and gas industry. Headquartered in Tulsa, Oklahoma, with an additional office in Fayetteville, Arkansas, PEPM delivers structural, mechanical, process, electrical, civil, and refrigeration engineering alongside 3D modeling, drafting, and project management. A Gold winner for Best Engineering Firm in Northwest Arkansas in 2024 and 2025, and recipient of the Oklahoma Governor's Award for Excellence in Exporting in 2025 and 2026, PEPM serves clients across the U.S. and internationally.
- Team
- Small
- Firm type
- Process Engineering · Mechanical Engineering · Structural Engineering · Electrical Engineering · Civil Engineering · Water / Wastewater Engineering
Capabilities
Mechanical Engineering and Evaluation
Service websitePiping systems, HVAC-R, rotating equipment, and pressure vessel engineering for process and industrial facilities.
- Process and utility piping (ASME B31)
- HVAC-R design and layout
- Boilers and steam distribution
- Compressors and compressed air systems
- Piping and nozzle stress analysis
Structural Engineering
Service website- Buildings, foundations, and structural supports
- Industrial platforms, pipe racks, and piping supports
- Guyed and self-supported stacks and silos
- API storage tanks and cryogenic piping
- STAAD modeling and FEA analysis
Electrical, Instrumentation and Control Engineering
Service website- Power distribution and transmission
- Motor control and VFD design
- Control panels, PLCs, and HMI
- Instrumentation design
Process Engineering Design
Service website- Process design and equipment selection
- Equipment matrix and conveyor schedules
Ammonia Refrigeration Engineering
Service websiteFull-scope ammonia refrigeration engineering for processing plants, from greenfield system design through PSM compliance.
- Ammonia refrigeration engine room design
- Greenfield ammonia system design
- Spiral, tunnel, and blast freezer design
- Process Safety Management (PSM)
- Chillers and rechillers
Civil Engineering Design
Service website- Road, pavement, and earthwork
- Stormwater collection
Water and Wastewater Engineering
Service website- Water distribution system design
- Wastewater collection systems
- Pump and lift station design
Air Study and Condensation Evaluation
Service websiteFacility-wide air balance studies and condensation reduction services for processing plants, including HVACR evaluation and equipment sizing.
- Site measurement and evaluation
- Air balance studies and condensation evaluations
- HVACR equipment sizing and selection
Turnkey Engineering and Design-Build
Service websiteEnd-to-end project delivery from front-end engineering design through construction management, covering all disciplines.
- Front End Engineering Design (FEED)
- Issue for bid and issue for construction packages
- Project and construction management
3D Modeling, 2D Drafting and Detailing
Service website- Process modeling and P&IDs
- General arrangement drawings
- Detail and fabrication drawings
- Lifting plans and erection procedures
- As-built documentation
Industries
Food & Beverage · Oil & Gas · Manufacturing · Wastewater · Water Supply
Projects
No projects listed yet.