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Sioux Corporation has been offering solutions for all levels of Government since 1939; from fire hydrant thawing on the municipal level to explosive ordinance disposal on the federal level. Sioux equipment is proudly manufactured in the U.S.A. and is designed and built with quality, performance, reliability and user safety as top priorities.

All-Electric Explosion Proof Pressure Washer 

Sioux is a certified small business under SBA regulations and our GSA Contract number is GS-07F-0076H.


Best Use, Best Value

Proven Performance
Sioux units are dependable in the field. Combining high quality components with over 75 years of custom manufacturing experience and extensive engineering design capabilities allows Sioux to provide the best cleaning equipment, water heating and chilling systems, and steam generators on the market.


In addition to dependability and simple operation, operator safety is a top design consideration for all Sioux products. Sioux’s All-Electric Pressure washersstandard line of steam cleaners, hot water pressure washers, and combination pressure washer/steam cleaners are third-party certified to UL 1776 and CSA- C22.2 No.68. Sioux also offers a full line of explosion-proof pressure washers and steam cleaners that are certified to UL 1203 and CSA C22.2 No 25 and 30. Water heaters and steam generators (low pressure boilers) are built to Section IV of the ASME code and meet the requirements of CSD-1 of the ASME code.

Technical Expertise
Sioux is well-known for its capability to design and build custom equipment, and has one of the highest ratios of engineering staff to total staff in the industry. Specialized options can be added to the unit to meet your specific needs. Some of these include trailer or portable mountings, nearly any voltage for overseas applications, water tanks, alterations for severe temperature or altitudes, custom sizes and more.

Wide Range Of Premium Products:

Other specialty products:

  • aircraft washers/foamers
  • diving heaters
  • chemicals, soaps, and descalers

Numerous Custom Options: Trailer mounted, 50 & 60 Hz, most any voltage, 1 or 3 phase, water tanks, explosion-proof, stainless steel frames and heating coils, galvanized frames, high altitude, low temperature, gas engines, diesel engines, generators, lights, custom dimensions and frames, and many more!

Qualifications: Over 75 years of experience, ISO 9001 Quality Management System, ASME-Certified welders, extensive custom capabilities, lifetime parts support, over 300,000 parts on hand and highly knowledgeable technical support staff.

Sioux Customers: Sioux equipment has been purchased by all branches of the military for bases all around the world.  Sioux units are additionally in use by USDA, National Parks Service,  Army Corp of Engineers, Bureau of Reclamation, Fish & Wildlife Service, and Customs and Border Protection, among others.