Crestline Homes
- Manufacturer of single and multi-family, and commercial modular buildings.
- http://www.crestlinehomes.com/

ModuleCo Ltd
- Designs and builds modular healthcare buildings. Includes online case studies.
- http://www.moduleco.co.uk/

Triumph Leasing
- Provides modular space solutions, office trailers and storage products.
- http://triumphleasing.com/

MPH Building Systems Ltd
- Suppliers of modular buildings, mobile classrooms, and site accommodation in the United Kingdom.
- http://www.mphbuildingsystems.co.uk/

USA Modular
- Provides turnkey modular buildings throughout the United States.
- http://www.usamodular.com/

Triumph SmartSpace
- Prefab building system that combines modular construction and green technology—providing custom solutions for educational, commercial, and institutional space needs.
- http://triumphsmartspace.com/

Modular Marketing
- Online marketplace for buying and selling of modular classrooms, construction trailers and modular offices.
- http://www.modular-marketing.com/

MWTI, LLC
- Supplier of in-plant modular offices, pre-assembled modular buildings, mezzanines, noise control rooms and guard houses.
- http://mwtillc.com/

Modtech Holdings Inc.
- Design, manufacture, market and install modular classrooms, commercial and light industrial modular buildings.
- http://www.modtech.com/

Modular Today
- Provides information about modular homes and offices including a modular builders directory.
- http://www.modulartoday.com/

Guerdon
- Systems-built units sold throughout western United States.
- http://www.guerdon.com/

Crest Homes
- Modular manufacturer for the Midwest, New England and Mid-Atlantic regions.
- http://www.cresthomes.com/

Arch Lodge Consultancy
- Project management services for modular construction in the public and private sector. Contains examples of completed projects.
- http://www.archlodge.com/

The Low Group, Inc.
- Sells and leases modular relocatable buildings for construction, health care, education and administration offices.
- http://www.lowbuildings.com/

Storage Solutions INC.
- Storage Solutions specializes in modular offices, shipping and receiving offices, portable buildings, Starrco offices and parking toll booths.
- http://www.storagesolutionsinc.com/

Portakabin
- Offers a wide variety of relocatable and modular buildings for offices, schools, nurseries, hospitals, construction sites and workcamps.
- http://www.portakabin.co.uk/

Downing Corporation
- Modular buildings, portable buildings, temporary classrooms, relocatable and transportable buildings.
- http://www.downingcorp.com/

Ramtech Building Systems
- Design-build contractor utilizing modular and component steel-frame construction.
- http://www.ramtechmodular.com/

Dinermite Diners, Inc.
- Manufacturers of portable and in-place restaurant diners, seating up to 160 persons. Includes photographs and specifications for each style.
- http://www.dinermite.com/

Modular Design Technology
- Modular building systems, design and bids. Prefabricated buildings for retail, office, storage, and commercial use.
- http://www.mdtmodular.com/

US Modular Group, Inc.
- Custom built modular buildings. Offers education, medical, child care, and government buildings
- http://www.usmodulargroup.com/

Premier Building Systems-Steel buildings
- Steel building distributors. Steel buildings for commercial, agricultural and industrial purposes.
- http://www.premierbuildings.com

OECON Mobilraum GmbH
- Mobile room systems for all applications - purchase, rental, leasing: Containers, site trailers, construction site equipment.
- http://www.oecon.com

Progressive Sales
- Information, quotes and pictures of mezzanines and pre-fabricated structures.
- http://prosalesco.com

Foremans Relocatable Building Systems Limited
- Suppliers of second-hand relocatable office accommodation. Product range includes small jack leg cabins, multiple toilet units, and large single and double story self contained modular office accommodation facilities.
- http://www.foremansbuildings.co.uk

Anchor Modular Buildings
- Sells and leases prefabricated modular buildings, classrooms and office trailers in the Mid-Atlantic region.
- http://www.anchormodular.com

Roger Carter Corp
- Manufacturer of modular offices, buildings and classrooms.
- http://www.rogercartercorp.com

All Space
- Portakabin supplier in Ireland. Wide range of products including portable buildings and pre-fabricated buildings.
- http://www.allspace.ie

Modern Modular
- New York firm that offers modular housing. Mission, uses and benefits of pre-fabricated construction technology.
- http://www.modern-modular.com/

Smart Space Modular System.
- Portable office, job shack, living quarters & break rooms being offered.
- http://www.smartspacemod.com

Durabase
- Advanced Base and Wall Systems for Conservatories
- http://www.durabase.co.uk/

Spectrum Modular Building
- Modular buildings for many commercial uses.
- http://www.spectrummodular.com/

Caledonian Building Systems Ltd,
- This is a pre-engineered construction business specializing in the manufacture of bespoke steel framed modules.
- http://www.cbuildings.co.uk

NRB Inc. Modular Building Systems
- Modular building design and manufacturing.
- http://www.nrb-inc.com

Modular Building Associates
- Design Services, General Contracting & Resale Services Design Services for Modular Buildings.
- http://www.modularbuildingassociates.com

Mobile Office Inc.
- Leases and sells mobile and modular buildings for construction, sales, office and classroom.
- http://www.mobileofficeinc.com

California Custom Modular Buildings
- We make permanent and portable prefabricated buildings & structures for industrial & commercial uses. Since 1966.
- http://www.modularbuildings.biz

Britco Structures Inc.
- Mobile and Modular Manufactured Buildings.
- http://www.britco.com/

Nationwide Structures, Inc.
- A supplier of modular and pre-assembled buildings, providing complete turnkey installation for a variety of in-plant and attendant booth applications.
- http://www.nationwidestructures.com

Landmark Building Systems, Inc.
- Modular manufacturer specializing in custom, commercial, non-combustible applications. Custom designs for hotels, dormitories, schools, banks, prisons, laboratories and equipment shelters.
- http://www.landmark-building.com

Turkstra Modular Builders
- Constructs modular buildings, Office Trailers, portable wash rooms for construction, education, Government
- http://www.turkstra.com/

Creative Modular Buildings, Inc.
- A commercial contracting company providing permanent and portable modular buildings.
- http://www.creativemodular.com

CoMark Building Systems
- Builds modular buildings. Portable, relocatable, prefabricated, movable buildings. Also permanent structures.
- http://www.comarkbuilding.com/