
BKL, Inc.
Tulsa, OKInspired and purposeful designs to enhance and connect communities.
Project: Rogers County Courthouse
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Inspired and purposeful designs to enhance and connect communities.
Project: Rogers County Courthouse
Get Stuff Built Right
Service detail: Transportation Engineering

Engineering Judgment. Proven at Every Scale.
Service detail: Structural Engineering

It's Relationships We Build
Project: U.S. Pentagon

Delivering Innovation
Service detail: Project Management
Forging Critical Infrastructure That Lasts.
Service detail: Structural Engineering

Realize the Difference
Project: Boeing High-Bay Research Facility

Designing building systems that enhance the quality of life
Service detail: MEP Engineering

Holtzen Engineering Group P.C. is a civil and structural engineering practice serving architects, owners, and municipalities across Oklahoma and surrounding states. Holtzen Engineering Group provides structural design for residential, commercial, institutional, and government buildings, as well as civil engineering services focused on land development, site utilities, drainage, and roadway improvements. Primary service territory for land development spans Northwestern and North Central Oklahoma from Woodward to Stillwater and from Oklahoma City to the Kansas border.
Service detail: Structural Engineering
National Presence. Hyper-Local Focus.
Service detail: Civil Engineering
Level Engineering and Architecture is a multidisciplinary civil and structural engineering and architecture firm headquartered in Loveland, Colorado, with 12 offices across 7 states. It serves homeowners, commercial building owners, contractors, developers, and local government clients with structural engineering, civil engineering, architecture, and inspection services. With over 25,000 projects completed and 500+ five-star reviews, Level provides stamped drawings and signed plans for permitting, structural inspections, load-bearing assessments, foundation engineering, and forensic reports. Civil services include hydraulic engineering, drainage engineering, water and wastewater, and bridge engineering.
Service detail: Structural Engineering
Engineering, Architecture, Geospatial.
Project: Frozen Food Production Facility Master Planning

Engineering trust.
Project: Baylor Scott & White Medical Center and Clinic in Pflugerville

Creating Value for Global Customers Through Real-World Engineering.
Service detail: Mechanical Engineering and Evaluation

Providing inventive architecture and engineering solutions for a better future
Service detail: Architecture and Planning

Building Tomorrow's Solutions Today
Project: Doc B-29 Maintenance and Storage Hangar

People Creating Places for People
Project: Capehart Road Overpass at 228th Street
dedicated to the art of possibility.
Project: Petersen Automotive Museum