CAD to BIM Conversion Services Companies in the USA

Working with outdated CAD drawings can slow down projects and limit collaboration. Converting those files into BIM models helps teams visualize, coordinate, and manage construction data more efficiently. Whether you’re renovating an old structure or updating documentation for facility management, CAD to BIM conversion offers a practical way to modernize project workflows. Below is a look at companies that provide these services in the USA, offering support across various disciplines and project types.

2. Gsource Technologies

Gsource Technologies offers CAD to BIM conversion services, working with various formats such as architectural drafts, structural plans, PDFs, and scanned documents. The company produces Revit-based BIM models that include details like labeled elements and specified levels of development. These models are intended for use in construction planning, documentation, and coordination tasks. The conversion process incorporates basic data inputs and produces 3D outputs suitable for digital workflows.

The company follows a defined production process involving initial data gathering, model creation, internal quality checks, client review, and final file delivery. Its services are applied in sectors including construction, infrastructure, utilities, environmental projects, and public sector planning. In addition to CAD to BIM services, the company also handles point cloud integration, MEP data processing, and development of models for facility use and reference.

Key Highlights:

• Processes CAD files into BIM models using software like Revit and SketchUp
• Works with input types including scanned drawings and PDFs
• Applies standard project stages from data intake to final output
• Operates across construction, environmental, and government sectors
• Provides deliverables in digital formats such as Revit and PDF

Services:

• CAD to BIM conversion
• Translation of architectural and structural drafts into 3D models
• Scan to BIM for existing buildings
• Lifecycle modeling from CAD inputs
• Digitization of paper-based drawings
• BIM tagging based on LOD requirements
• Creation of construction and permit documentation

3. Tejjy Inc.

Tejjy Inc. provides CAD to BIM conversion services for construction and engineering professionals. The company works with inputs like scanned drawings, PDFs, paper-based blueprints, and legacy files to create BIM models using tools such as AutoCAD and Revit. The conversion process is used to generate digital documentation and 3D models from 2D formats, supporting tasks such as planning, coordination, and documentation within the building lifecycle.

Their service offering includes multiple types of format transitions and model development for different project categories, including commercial, residential, institutional, and transportation facilities. The process typically involves importing CAD files into BIM software, converting the drawings into a digital model, running quality checks, and finalizing deliverables.

Key Highlights:

• Works with CAD, PDF, scanned images, and paper-based inputs
• Converts files into BIM models using Revit and AutoCAD
• Supports projects across commercial, residential, and public sectors
• Applies a defined process from evaluation to model delivery
• Includes 2D to 3D conversion and raster-to-vector digitization

Services:

• CAD to BIM model conversion
• Architectural, structural, and MEP BIM development
• Scan to CAD and image-to-CAD services
• Paper and legacy drawing digitization
• 2D to 3D CAD file conversion

4. The AEC Associates

The AEC Associates offers CAD to BIM conversion services used in architectural and construction documentation processes. The service involves converting 2D CAD files such as DWG, DXF, and PDF into 3D BIM models compatible with tools like Revit. Inputs can include hand sketches, redlined drawings, scanned images, site photographs, and point cloud data. The output is typically delivered in formats like RVT, IFC, or NWC, depending on the project requirements.

The company’s scope of work covers various building types, including residential, commercial, healthcare, educational, and industrial facilities. In addition to CAD to BIM transformation, they also handle the digitization of paper drawings, symbol-to-Revit library conversion, and PDF to CAD services. The process includes both manual and software-assisted methods and involves standard drawing organization practices, layering, and object mapping in alignment with BIM modeling protocols.

Key Highlights:

• Converts 2D CAD data into 3D BIM formats using Revit
• Works with multiple input types including PDFs, sketches, and scans
• Outputs include RVT, IFC, and NWC formats
• Project types span across various sectors such as education, retail, and healthcare
• Applies typical BIM structuring methods like layering and object mapping

Services:

• CAD to BIM model conversion
• Paper to BIM conversion
• Revit family development from CAD symbols
• Architectural PDF to CAD conversion
• CAD digitization from legacy and site-based inputs

5. Archdraw Outsourcing

Archdraw Outsourcing provides CAD to BIM conversion services using software such as Autodesk Revit. Their work includes transforming 2D and 3D CAD drawings, PDFs, and hand-drawn sketches into BIM models. These models are used for planning, coordination, and documentation within architectural and construction workflows. The service is also applicable to images and scanned materials, which are translated into digital models.

The company handles projects that range from basic CAD file conversion to more detailed Revit modeling, depending on the project’s requirements. Their services cover both architectural and structural modeling, as well as point cloud and scan data integration. Deliverables typically consist of construction-ready documentation and models aligned with Revit workflows. Inputs can include digital files or physical sketches, and outputs are produced to support a variety of design and engineering tasks.

Key Highlights:

• Converts 2D/3D CAD files, PDFs, and sketches to BIM
• Uses Autodesk Revit for model development
• Includes both architectural and structural model types
• Works with scanned images and point cloud data
• Applicable to multiple construction documentation stages

Services:

• CAD to BIM conversion
• PDF to BIM modeling
• Hand sketch to BIM services
• 2D CAD to 3D Revit modeling
• Point cloud to BIM
• Architectural BIM modeling

6. ProtoTech Solutions

ProtoTech Solutions offers CAD to BIM conversion services for clients working with 2D CAD files who require 3D BIM models for use in design, construction, or engineering workflows. The process includes receiving project inputs such as DWG files or scanned drawings, converting these into BIM models using tools like Revit, and adding relevant data elements such as dimensions, materials, or performance specifications.

The company uses software including Revit, AutoCAD, Navisworks, and SketchUp to carry out modeling tasks. Their workflow includes an initial consultation to determine project needs, followed by data processing, model development, review, and delivery. ProtoTech Solutions also handles related services such as 2D to 3D CAD conversion, scan-to-BIM, and legacy drawing digitization.

Key Highlights:

• Converts 2D CAD files to 3D BIM using Revit and other software
• Works with file inputs such as DWG, PDF, and paper sketches
• Includes data attributes like dimensions and materials in BIM models
• Supports BIM output formats suitable for construction coordination
• Provides related services including scan-to-BIM and Revit family creation

Services:

• CAD to BIM model conversion
• Scan to BIM
• 2D to 3D CAD conversion
• Paper and PDF to CAD conversion
• Clash detection and BIM coordination
• Revit family modeling

7. MaRS BIM Solutions

MaRS BIM Solutions provides CAD to BIM conversion services using Revit-based modeling. The company works with 2D inputs such as DWG files, PDFs, hand-drawn sketches, scanned images, and single-line diagrams to develop 3D BIM models. These models replicate the original design layout by incorporating elements like walls, floors, roofs, and other architectural and structural components with defined parameters.

The service covers CAD to Revit conversion across various disciplines, including architectural, structural, and MEP. Revit families can also be developed from source drawings as needed. The modeling process involves extracting geometric and design data from the original files and organizing them into structured BIM outputs. Deliverables are typically aligned with standard BIM formats and used for purposes such as coordination or documentation.

Key Highlights:

• Processes CAD inputs such as DWG and PDF into Revit-based models
• Supports inputs including scanned images and freehand sketches
• Produces models for architectural, structural, and MEP domains
• Includes file format conversion to RVT for project integration
• Applicable across a range of project types and documentation workflows

Services:

• CAD to BIM conversion
• DWG to RVT model transformation
• PDF to Revit modeling
• Hand sketch to BIM modeling
• Architectural BIM modeling

8. Bimpact Designs

Bimpact Designs provides CAD and PDF to BIM conversion services that involve transforming 2D technical drawings, such as CAD files, blueprints, and scanned documents, into structured 3D BIM models. These models are created in Revit and are used for visualization, documentation, and coordination tasks. The company works with various input formats, including TIFF files and paper-based drawings, and aligns the outputs with BIM specifications and LOD (Level of Development) standards.

The company’s services span architectural, structural, and MEP domains. Modeling includes elements such as HVAC systems, plumbing, lighting, and mechanical equipment, along with architectural and structural components. Bimpact Designs also offers BIM modeling for a range of building types including residential, commercial, healthcare, educational, and industrial facilities. Software tools used in the process include Autodesk Revit, AutoCAD, Navisworks, and others that support BIM development and review.

Key Highlights:

• Converts CAD, PDF, and scanned drawings to 3D BIM models in Revit
• Works with formats such as DWG, TIFF, and paper-based plans
• Covers multiple building types including residential, healthcare, and government
• Provides modeling across architectural, structural, and MEP disciplines
• Uses standard BIM tools such as Revit, AutoCAD, and BIM 360

Services:

• CAD/PDF to BIM conversion
• Architectural and structural plan modeling
• MEP (HVAC, plumbing, fire protection) BIM modeling
• Scan to BIM for retrofit projects
• Revit family/content creation
• Lifecycle model development from CAD drafts
• BIM object tagging and LOD specification integration

9. McLine Studios

McLine Studios provides CAD to BIM conversion services for projects involving architectural, structural, and MEP disciplines. The process involves translating 2D CAD files, PDFs, paper drawings, and blueprints into Revit-based 3D BIM models. These models are created to reflect the original design intent while organizing information needed for construction coordination, documentation, and visualization tasks.

The company uses software platforms including AutoCAD, Revit, and BIM 360. Their service scope includes PDF to BIM, paper to BIM, blueprint-to-model conversion, and handling both 2D and 3D design files. The workflow typically includes gathering source files, developing BIM models from the CAD inputs, reviewing the model against the original documents, and preparing it for integration into the client’s project system.

Key Highlights:

• Converts 2D CAD drawings and paper documents to 3D BIM
• Uses Revit, AutoCAD, and BIM 360 for model development
• Accepts input formats including PDFs, blueprints, and hand-drawn plans
• Produces BIM models for use in design coordination and documentation
• Includes review and integration steps as part of the delivery process

Services:

• CAD to BIM model conversion
• PDF to BIM modeling
• Paper drawing to BIM modeling
• 2D and 3D design to BIM transformation
• Blueprint to Revit model conversion

10. BIMPRO LLC

BIMPRO LLC provides CAD to BIM conversion services, converting 2D and 3D design inputs including CAD files, PDFs, sketches, and single-line diagrams into digital BIM models using platforms such as Revit and ArchiCAD. These models are developed to represent architectural, structural, and MEP-FP elements and are used during different project phases such as schematic design, design development, and construction documentation.

The service includes model creation based on existing plans, quantity takeoffs, and coordination processes such as clash detection. BIMPRO uses a range of tools including Revit, Navisworks, Bluebeam, Tekla, and SolidWorks. In addition to CAD to BIM modeling, the company also develops Revit families and provides integration services across building disciplines.

Key Highlights:

• Converts 2D and 3D CAD or PDF inputs into BIM models using Revit and ArchiCAD
• Supports modeling across architectural, structural, mechanical, electrical, and plumbing systems
• Uses software such as Revit, Navisworks, Bluebeam, and Tekla
• Applies models during multiple stages of project development

Services:

• CAD to BIM conversion
• PDF to BIM modeling
• Architectural, structural, and MEP-FP BIM modeling
• Clash detection
• BIM coordination
• Quantity takeoff (BOQ/BOM) from BIM models
• Revit family creation

11. Bayshore Structures

Bayshore Structures offers CAD to BIM conversion services that involve translating scanned documents, paper-based construction drawings, and CAD files into digital BIM models. These models are used to support construction documentation and technical planning tasks. The service includes the development of 3D models from sources such as AutoCAD files and blueprint sets, with outputs structured for use in digital project workflows.

The company also provides related services such as PDF to BIM and paper-to-BIM conversion. These models are developed using standard tools and practices associated with building information modeling. The output is intended for use in construction planning, visualization, and coordination.

Key Highlights:

• Converts CAD, PDF, and scanned drawings into digital BIM formats
• Uses tools such as AutoCAD for model development
• Produces 3D BIM models for use in construction documentation
• Provides services for both CAD and steel detailing projects
• Includes blueprint and paper-to-BIM conversion workflows

Services:

• CAD to BIM conversion
• PDF to BIM modeling
• Paper-based drawing digitization to BIM
• BIM documentation for construction planning
• Structural steel detailing using 3D modeling software
• Shop drawings and 3D rendering services
• Construction documentation set creation

12. Excelize

Excelize provides CAD digitization and CAD to BIM conversion services, focused on transforming manual and legacy construction drawings into digital formats suitable for BIM-based workflows. These services apply to a range of drawing types, including mechanical, civil, architectural, and electrical.

The company offers these services as part of broader support for design and construction teams seeking to modernize documentation and enable digital collaboration. Outputs can be tailored to various sectors within the architecture, engineering, and construction fields. The company’s approach includes using BIM software to structure and organize building data for long-term use and integration into project systems.

Key Highlights:

• Converts manual and scanned construction drawings into digital CAD files
• Supports digitization of architectural, civil, mechanical, and electrical drawings
• Includes CAD to BIM modeling for digital project workflows
• Services applicable to both small and large construction organizations
• Part of a wider offering that includes BIM consulting and technical support

Services:

• CAD digitization from paper or scanned formats
• CAD to BIM conversion
• Documentation transformation for architectural and engineering disciplines
• BIM modeling from legacy construction drawings
• Integration of digitized files into project delivery workflows
• Support for BIM implementation across different project stages

13. Hitech BIM Services

Hitech BIM Services offers CAD to BIM conversion for engineers, architects, and contractors involved in building design and documentation. The company converts 2D CAD files, drafts, layouts, and blueprints into 3D BIM models using Revit. These models are used in design coordination, documentation preparation, and project planning within a shared data environment.

The service includes transformation of various inputs such as architectural drafts, structural plans, and scanned documents into BIM models. Additional capabilities include tagging BIM elements based on specifications and applying LOD standards. The company also works with furniture components, MEP systems, HVAC elements, and plant room layouts to represent different building systems in BIM. Deliverables are tailored according to project requirements and region-specific standards.

Key Highlights:

• Converts 2D CAD files and scanned documents into Revit-based BIM models
• Processes architectural, structural, MEP, and HVAC components
• Models are aligned with LOD specifications and regional BIM standards
• Supports BIM usage across construction, engineering, and building operations
• Delivers outputs usable in coordination and as-built documentation

Services:

• CAD to BIM model conversion
• Architectural and structural drafting to 3D Revit modeling
• PDF, blueprint, and paper plan conversion to BIM
• BIM object tagging and LOD specification integration
• Scan to BIM for retrofit buildings
• Lifecycle modeling from CAD drawings

14. Tecticonism Studio

Tecticonism Studio provides CAD to BIM conversion services for transforming 2D and 3D CAD files into detailed BIM models. These models are used in various phases of architectural and construction documentation. The service includes interpreting CAD designs and recreating them in a digital environment using BIM tools, enabling integration of components such as geometry, annotations, and basic data relevant to the building project.

The company also offers services such as clash detection, quantity takeoff, and construction documentation. The BIM outputs developed can be used for design visualization, planning, and permit documentation. The scope of service covers architectural and interior modeling, as well as Revit family creation and scan-to-BIM integration. Input files can include drawings, drafts, and scanned plans that are organized into structured BIM files.

Key Highlights:

• Converts 2D and 3D CAD inputs into Revit-based BIM models
• Supports additional functions like clash detection and quantity takeoff
• Outputs are used for construction documentation and planning
• Includes modeling for architecture, interiors, and Revit families
• Accepts scanned documents and digital CAD files for conversion

Services:

• CAD to BIM model conversion
• BIM model creation from 2D/3D drafts
• Clash detection within BIM environments
• Quantity takeoff generation
• Construction documentation

Conclusion

Switching from CAD to BIM has become a practical step for many teams looking to improve how they manage design and construction projects. Whether it’s updating old drawings or creating models for better coordination, the companies listed here offer services that help get the job done more smoothly. Each one brings its own approach, some focus on architectural modeling, others specialize in MEP or structural conversion but they all support the move toward more connected and detailed building information.

If you’re working with older 2D files and want to bring them into a modern BIM workflow, partnering with a service provider can make the process faster and more manageable. From PDFs and blueprints to fully detailed Revit models, these services help bridge the gap between traditional drafting and today’s digital construction tools.