OUR COMPANY

CADDASSIST is a Computer Aided Drafting & Design Service with over 40 years of experience in Architectural, Civil, Structural, Process Mechanical & Industrial Design. CADDASSIST is now prepared to assist with your AEC, Real Estate and Facility Management Drafting needs.

CADDASSIST utilizes the latest AUTODESK SOFTWARE, 3D LIDAR LASER SCANNING, and a wealth of experience to create professional documentation in a cost-efficient manner.

Our goal at CADDASSIST is to provide services that result in mutual success and continued growth for everyone invested in our projects. Allow CADDASSIST to assist you.

PROCESS MECHANICAL DESIGN

  • P&ID’S
  • 2D/3D MECHANICAL EQUIPMENT LAYOUTS
  • 2D/3D PROCESS/UTILITY PIPING
  • PLANS & ELEVATIONS
  • PIPING ISOMETRICS
  • COMPLETE PROJECT BOM’s

ARCHITECTURAL / CIVIL DESIGN

  • ARCHITECTURAL PLANS
  • SECTIONS and ELEVATIONS
  • AS BUILT DOCUMENTATION
  • PERMIT DOCUMENTATION
    • NEW CONSTRUCTION
    • REMODELING
  • SITE PLANS
  • 3D ARCHITECTURAL MODELS

LASER SCANNING

Frequently Asked Questions

What software packages are used at CADDASSIST?

CADDASSIST uses the latest AUTODESK Software:

REVIT 2026

AutoCAD 2D 2026

AutoCAD ARCHITECTURAL 2026

AutoCAD PLANT 3D 2026

AUTODESK CIVIL 3D 2026

AUTODESK RECAP

NAVISWORKS MANAGE 2026

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OUR FOUNDER

Tommy Lee Crowder began his drafting career at the age of 14 as a freshman at O’Fallon Technical High School St. Louis MO. in 1980. Furthered his training at Ranken Technical College gaining his AAS in Architectural Drafting & Structural Technologies in 1986.

1986-1990

Albers Construction / Brentwood Glass Co.

Architectural

Structural Detailer

Permit Documents

Obtaining accurate field information

1990-1994

Alvey Conveyor Company

Research & Development

Fabrication Documents and Details

Field Installation

1994-2025

Penta Engineering / Sverdrup Engineering / Jacobs Engineering / Archer Daniel Midland / Abengoa Biosciences / Roeslein & Associates

Industrial Facility Design

Process and Utility Design

Food and Beverage Design

Pharmaceutical Facility Design

HVAC Design

Oil Refining / Petrochemical Process Design

Modular Process Skid Design

Let’s Talk

Trust in our expertise to achieve the best outcome for your case.

T: ( 314) 299-7703
E: [email protected]

A: St. Louis, MO 63033