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Business Details
50+ Years
experience
Custom Modular Building Solutions for Industry
Porta-King Building Systems has been a leader in modular and prefabricated construction solutions since 1969. Our commitment to innovation, quality, and sustainability has established us as a trusted partner for industries requiring adaptable, durable structures. With over 50 years of experience, we specialize in designing and manufacturing modular buildings, cleanrooms, enclosures, and industrial solutions tailored to meet diverse client needs. Our ISO-certified cleanrooms and ballistic-rated security structures reflect our dedication to technical excellence and safety. We prioritize rapid lead times through our Express Ship program while maintaining rigorous quality control standards.

Our teams expertise in structural engineering and customization ensures that every project aligns with client specifications, from acoustic control to energy efficiency. As a division of Jay Henges Enterprises, Inc., we combine corporate resources with personalized service to deliver cost-effective, reusable solutions that minimize construction waste and downtime. Our focus on sustainable architecture and reconfigurable designs positions us as a forward-thinking choice for both temporary and permanent modular infrastructure.
Services
Modular Cleanrooms Security Booths Equipment Enclosures Industrial Mezzanines Prefabricated Shelters Modular Walls Control Rooms Guard Buildings Laser Enclosures Soundproof Walls
Details
  • Year established: 1969
Highlights and features
  • We offer over 50 years of expertise in modular construction and industrial enclosures.
  • Our ISO-certified cleanrooms meet stringent contamination control standards for critical environments.
  • Custom ballistic-rated security booths ensure personnel and equipment safety in high-risk areas.
  • Express Ship program accelerates lead times for urgent modular building requirements.
  • Sustainable designs reduce construction waste and support reconfiguration as needs evolve.
Associations and certifications
  • ISO 9001
  • ISO 14001
Services
Modular Cleanrooms
Our ISO-certified modular cleanrooms provide contamination-controlled spaces for pharmaceutical, electronics, and biotech industries. Constructed with non-shedding surfaces and HEPA filtration systems, these rooms maintain ISO Class 7 standards. The 15' x 62' x 12' configuration features smooth fiberglass-reinforced plastic walls for easy sterilization. Prefabricated components enable rapid installation without disrupting facility operations, while customizable panel thicknesses address thermal and acoustic requirements.
Ballistic Security Booths
NIJ and UL 752-rated security booths protect personnel and equipment in high-risk locations. Durable steel or aluminum construction resists forced entry and weather damage. Customizable features include bullet-resistant glazing, secure electrical systems, and climate control. Preassembled units ship fully wired and plumbed for immediate deployment at transportation hubs, industrial sites, or government facilities.
Industrial Mezzanines
Structural steel mezzanines convert vertical space into functional storage or work areas. Load capacities up to 125 psf support heavy equipment and inventory. Quick-install framing systems minimize downtime during facility expansions. Available with safety railings, stair packages, and floor finishes tailored to manufacturing or warehouse environments.
Equipment Enclosures
Custom enclosures safeguard sensitive machinery from environmental factors and unauthorized access. Outdoor-rated steel or aluminum structures house pumps, generators, and control systems. Insulated panels maintain operational temperatures, while explosion-proof electrical options ensure safety in hazardous locations. Pre-engineered designs accommodate seismic, wind, and snow load requirements.
Modular Wall Systems
Reconfigurable wall panels create adaptable workspaces in commercial and industrial settings. Sound-attenuating designs reduce noise transmission in manufacturing facilities. Available with integrated electrical conduits, access panels, and finishes ranging from vinyl-faced drywall to chemical-resistant FRP. Tool-free assembly enables layout changes without construction debris.
Questions
What industries benefit from Porta-King's modular solutions?
We serve manufacturing, healthcare, pharmaceuticals, energy, transportation, and government sectors requiring specialized enclosures.
Can modular buildings meet seismic and wind code requirements?
Our engineering team designs structures to comply with local building codes, including seismic zone 4 and hurricane-rated wind loads.
How quickly can a standard enclosure be delivered?
Our Express Ship program delivers select models in 4-6 weeks, with custom projects typically requiring 3-8 months.
Do modular cleanrooms require certification?
We partner with cleanroom experts to provide ISO certification services for controlled environments.
Can equipment enclosures be relocated?
Prefabricated designs allow disassembly and relocation, with structural modifications available for evolving requirements.
What insulation options are available for modular walls?
Standard R-10 polystyrene or optional R-20 polyisocyanurate cores maintain thermal efficiency in climate-controlled spaces.
Reviews (1)
Max Meinerz
Jun 20, 2020 Report
Dan Maras was kind enough to take the time to refer me to some folks in his industry in my area that could offer me a product that Porta-King did not sell. All this happened less than 24 hours after I submitted a web request for more information. I was so impressed by the speed and for Dan having gone the extra mile. Thank you Porta-King!