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O'Connor Company
  • Events
  • News
  • Careers
  • Employee Portal
  • Contact Us
  • Serving
    • Markets Served
      • Commercial
      • Educational
      • Healthcare
      • Financial
      • Industrial
    • Clientele
      • Building Managers
      • Contractors
      • Design Professionals
  • Products
    • Manufacturers
    • Replacement Parts
    • Warranties
  • Projects
  • About Us
    • Community Support
    • Leadership
  • HVAC Parts Request

Projects

Project Filters

  • Projects
  • Michael J. Fitzmaurice State Veterans Home
    Hot Springs, SD 2015
  • Music Hall
    Casper, WY 2013
  • Student Union
    Casper, WY 2012
  • Sioux Falls Regional Airport
    Sioux Falls, SD 2010
  • Black Hills Surgery Center
    Rapid City, SD 2009
  • O'Gorman Campus & Performing Arts Center
    Sioux Falls, SD 2008
  • First National Bank
    Sioux Falls, SD 2008

Customer Comments

“O’Connor Company has supplied all of the HVAC equipment for our facility. Their system specialists who worked on our facility have been highly trained in all phases of operations. The hospital industry has very little tolerance for down time and these professionals are there when we need them.”
Chuck Mertes Black Hills Surgery Center, L.L.P. Rapid City, South Dakota
View Project

We work together to provide the best customer experience.

  • HVAC Elements Group

    Heating & Cooling Specialists

    Learn More
  • G & R Controls

    Building Control Specialists

    Learn More
  • Balancing Professionals

    Air Quality Experts

    Learn More

Headquarters

4909 North Lewis Ave Sioux Falls, SD 57104
  • (605) 336-0333
  • Fax: (605) 336-8681

Regional Offices

1221 Concourse Drive
Rapid City, SD 57703
  • (605) 348-2033
  • Fax: (605) 348-9215
  • Events
  • News
  • Careers
  • Employee Portal
  • Contact Us

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