
20/10 Engineering Group, LLC
Sustainable Designs | Better Engineering Vision
Project: Trinity International University - New Waybright Student Center
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Sustainable Designs | Better Engineering Vision
Project: Trinity International University - New Waybright Student Center
Civil, Structural, and Construction Engineering Services
Service detail: Structural Engineering

Engineering & Consulting for the Built Environment
Project: DEN B-East & C-East Concourse Expansions
Plans Design | Calculation Reports | Prime G.C.
Project: Saddleback College Quad Access Road

Providing Engineering and Architecture Services Since 2002
Project: Pikes Peak National Cemetery Master Plan & Design
Multidisciplinary Engineering, Special Inspections & Expediting Services
Service detail: Structural Engineering

Structural and MEP Engineering Specialists
Project: The Bentley Edgewater

Industrial Facility Engineering
Project: Calcium Carbonate Production Plant

Engineering The Future
Service detail: MEP & Fire Protection Engineering
Innovative and sustainable engineering solutions
Project: Michoacan Ice Cream Shop

Above the Standard. Above Expectations.
Project: Perry Point VA Campus Plaza Improvements

Allied Engineering Group is a consulting engineering firm located in downtown Tulsa, Oklahoma, providing mechanical, electrical, plumbing, and medical gas engineering services for a wide variety of project types. Founded in 1999, AEG brings together decades of MEP industry experience and has served state military facilities, commercial buildings, and educational institutions including Tulsa Public Schools.
Service detail: Mechanical Engineering

Allison Structural Group is a Columbus, Ohio-based structural engineering and inspection consulting practice serving developers, architects, contractors, realty companies, and facility owners. It provides structural design for new and existing buildings, site civil consulting, condition assessments, and industrial support structures. Project types range from residential additions and tenant improvements to industrial plant upgrades and commercial property acquisitions. The practice delivers projects using BIM and Revit for clear, coordinated design documentation.
Project: Sawmill Place Apartment Building

Founded in 2017, Annex Engineering Group is a service-oriented MEP and fire protection engineering firm based in Columbus, Ohio. Annex offers mechanical, electrical, plumbing, and fire protection coordination engineering for projects ranging from office remodels, multi-family residential, and restaurants to manufacturing/industrial facilities and historical renovations. Licensed in 49 states and Washington D.C., Annex serves as the prototype engineer for several national clients, establishing design standards that reduce construction costs and timelines while increasing consistency and quality.
Service detail: Mechanical Engineering

Applied Experience. Applied Engineering.
Project: Innovation Hall - IUPUI

Acoustic Consulting & Audiovisual Technology Design
Project: Coffee High School Performing Arts Center
MEP engineering specializing in complex renovation projects
Service detail: Mechanical Engineering

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection
Project: Mohs & GI Procedure Room Renovation

Better Buildings. Impactful Results.
Project: Isenberg School of Management Addition

Mechanical, Electrical, and Plumbing Engineering Consultants
Project: Sharp Chula Vista Emergency Department Transformation

Specialized MEP Technical Support, Commissioning, and Energy Consulting
Project: Google Washington DC Office Commissioning

Practical and sustainable engineering design for MEP and fire protection systems
Project: Ella Grasso Technical High School
Commercial MEP engineering for new construction and renovations
Project: Bistro 31

Mechanical, Electrical, and Plumbing Professional Engineers
Project: Women's Mental Health Services and Primary Care Clinic, VA Medical Center