
AG3 Group, LLC
San Antonio, TXCivil Services with a Forward-Thinking Approach
Project: VIA Park and Ride at Stone Oak
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Civil Services with a Forward-Thinking Approach
Project: VIA Park and Ride at Stone Oak
It's not just business...it's personal.
Project: Route 66 Bridge

Inspired and purposeful designs to enhance and connect communities.
Project: Rogers County Courthouse
Bodwe means to light a fire for someone, a calling that fuels our mission to serve others
Project: Many Farms High School
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
Forging Critical Infrastructure That Lasts.
Service detail: Structural Engineering
Providing Consulting Engineering and Land Surveying across Southwest Oklahoma
Service detail: Civil Engineering

Realize the Difference
Project: Boeing High-Bay Research Facility

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

Design The Smart Things. Do The Right Thing.
Project: MAPS 3 Scissortail Park
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 services that are different by design
Project: NGL Rail Loading
Engineering, Architecture, Geospatial.
Project: Frozen Food Production Facility Master Planning

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

Sisemore & Associates, Inc. is a civil engineering and land surveying firm established in Tulsa, Oklahoma in 1995. Recognized as one of the leading surveying and civil engineering firms in the Tulsa metropolitan area, Sisemore & Associates provides comprehensive land surveying, civil engineering, and land planning services to contractors, builders, real estate developers, state agencies, and municipalities across Oklahoma. Capabilities include ALTA/NSPS, boundary, and topographic surveys, 3D laser scanning, UAV mapping, construction layout, stormwater and wastewater engineering, and pavement design.
Service detail: Land Surveying

Shaping Communities Through Land Surveying and Civil Engineering
Service detail: Civil Engineering

Northeast Oklahoma's Premiere Civil Engineering Firm Since 1977
Service detail: Land Planning
dedicated to the art of possibility.
Project: Petersen Automotive Museum