Modular Buildings & prefab Offices

A Place for Everyone: WOI Custom Prefab Offices & Modular Buildings

Modular buildings are a cost-effective and fully-customizable way to quickly add dedicated personnel space, manufacturing space, lab space, or storage space to your facility quickly. Pre-fabricated, modular buildings, offices, and partitions can be deployed as interior or exterior structures to provide the versatility you need without the cost and disruption of stick built contractors for any major renovation or expansion. Warehouse Optimizers, Inc. (WOI) offers a full range of turn-key, modular building solutions to suit your company’s unique needs.

WOI Pre-Fab Office & Modular Buildings

Advantages of Modular Construction

Quick design and installation

Clean, safety minded installation & minimized waste

Flexible design - re-locate, repurpose, modify

Soundproof - noise reduction from loud machines

Fast, clean installation

Tax advantages (7 year depreciation)

Choose from a variety of wall finishes and colors

Contact us today - we are a leading supplier in the Southeastern United States including Florida, Tennessee, Alabama.

Choose the Custom-Fit Modular Building to Meet Your Needs

We recognize that your business is unique. Our space design experts are ready to assist you in the configuration and coordinated installation of a customizable modular structure. These rooms can be outfitted according to your specific requirements, including climate control functions, telecom infrastructure, plumbing, HVAC systems, flooring, soundproofing, and more.

Two Story Modular Buildings - Break room and offices can be combined into one building, doubling your floor space in weeks in your existing facility.  Lab space, tool crib space, or any two-story application can be accommodated with modular building and mezzanine combinations.

CMM Rooms – Protect your coordinate measure machine (CMM) and other assembly and manufacturing equipment from environmental factors while consolidating specialized tools all in one location.

In-Plant Buildings & In-Plant Offices – Give your supervisors, management, and HR staff a clean and comfortable place to work while staying close to everyday warehouse operations.

Turnkey Modular Building – Fully designed and finalized structures ready for all applications, with climate control and other customer-specific features. Turn-key buildings can be outfitted with plumbing, HVAC, electrical, and more so all you have to do is move your stuff in. 

Quick-Ship Modular Building – Prefab buildings that are ready to ship to your location with just a few days’ notice for additional storage and operational expansion in a pinch.

Environmental Rooms – Specially outfitted rooms for all classifications and applications, including cold storage, cultivation, incubation, and more.

E-Houses - Prefabricated modular buildings provide a secure, weather-sealed home for critical power gear. Built off-site, delivered ready to place, and finished with quick on-site tie-ins.

Modular Inspection Rooms – Custom enclosures for inspection that can be configured for all types of flow, including conveyors, rollers, racking, and other infrastructure for moving and housing heavy or even hazardous items.

Quality Control Modular Buildings – Specially designed enclosures to help verify and ascertain the integrity of inventory, equipment parts, and raw materials.

HEPA Cleanrooms/Dust Control Rooms – Specially ventilated chambers that allow you to contain dust and airborne debris to satisfy government air quality regulations. 

Medical Isolation Rooms -  Create standalone airborne infection isolation rooms with anterooms or temporarily wall sections or floors of your medical facility for quarantine purposes with safe, clean, comfortable, and economical prefabricated rooms and partitions. 

Modular Conference and Break Rooms – Quickly designed and adaptable solutions give your employees safe, dedicated space to meet and take breaks during the workday.

Cleanroom Modular Building
Quality Control Building

Project Gallery

Two Story Modular Building

Turnkey Design and Installation

Comprehensive design - WOI modular office design team provides customized building design, mechanical design, and architectural services.


Trusted professional installation - WOI vetted contractors complying with WOI safety policy, experienced working within functioning plant environments. Cleanroom specialty.

Turnkey services - from budget to certificate of occupancy, the WOI team is with you all the way including all permits and inspections.

Local Modular Building Installation

WOI is a licensed GC and offers full turnkey local installation services of modular buildings and mezzanines including permits,  building erection, HVAC systems, Electrical, Fire Protection, and Flooring.  Our local network of project managers manages the installation contractors for a seamless project completed on time on budget.  Our sub-contractors qualifications include:

  • Minimum OSHA 10 Hour Training for All Project Managers
  • TN Certified Drug-Free Workplace
  • Daily Job Safety Analysis and Jobsite Inspection
  • PPE & Fall Protection

Our crews come with a minimum of 10 years of experience working in manufacturing and warehouse environments.  The safety of our clients during construction gets special attention from our crews. Client Protection: Barricades, safety cones, and safety tape is used to prevent pedestrians from entering work areas. 100% adherence to any special client safety training or requirements. Clean up debris and trash regularly from the worksite and surrounding areas. With local installation crews, our cost is very competitive due to minimal travel expenses.

Rely on WOI for Start to Finish Project Excellence

WOI has been at the forefront of the modular construction business for 20+ years. Our full-service approach will take you from design to certificate of occupancy (CO) seamlessly and efficiently. WOI completes over 60 installations per year in a wide variety of modular building applications.

WOI is a licensed general contractor (GC) providing prompt, expert, turnkey support for:

Permitting and Engineering (Certificate of Occupancy)

Flooring - Epoxy, Tile, Carpet, Raised Panel Access Floors

HVAC - Including HEPA, Mini Split , and Package Systems

Electrical - Licensed

Fire protection including Alarm systems

Control Room

When you’re ready to start planning your next modular building project, call the professionals at WOI. We proudly serve customers throughout Tennessee, Alabama, Kentucky, North Carolina, and the Midwest and can offer quick-ship delivery to anywhere in the country. Contact (865) 540-4004 to speak to a member of our staff.

Contact Us Today

We will be happy to assist you with any questions or more detailed product information on any Warehouse Optimizers products.

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