O'Connor Company Information

View Top Employees from O'Connor Company

since 1970, O’Connor Company has provided energy efficient solutions for heating, ventilating and air conditioning systems. As a representative for American Air Filter we create opportunities for our customers to develop environmentally conscious business practices and save money, while analyzing our own business to improve efficiency, reduce waste and save energy. We have offices in Sioux Falls and Rapid City South Dakota.

Website	http://www.oconnorco.com
Revenue	$35.4 million
Funding	$2 million
Employees	38 (16 on RocketReach)
Founded	1970
Address	4909 N Lewis Ave, Sioux Falls, South Dakota 57104, US
Phone	+1 708-547-1121
Fax	(605) 336-8681
Technologies	JavaScript , HTML , PHP +17 more (view full list)
Industry	Wholesale Hardware, Plumbing, Heating Equipment, Commercial & Residential Construction, Construction
Keywords	Hvac, Energy Efficiency, Heating Systems, Ventilation Systems, Air Conditioning, Air Filters, Environmental Solutions, Sustainable Solutions, Building Efficiency, Climate Control, Hvac Equipment, Energy Conservation, Building Systems, Green Building, Clean Energy, Efficient Hvac, Renewable Energy, Building Automation, Hvac Maintenance, Hvac Repair
Competitors	Johnson Controls, Trane, Carrier, Daikin Industries, Ltd., Lennox, Rheem Manufacturing, York, Goodman Manufacturing, American Standard Heating & Air Conditioning, Mitsubishi Electric +30 more (view full list)
SIC	SIC Code 525 Companies, SIC Code 52 Companies, SIC Code 5251 Companies
NAICS	NAICS Code 444 Companies, NAICS Code 23 Companies, NAICS Code 238 Companies, NAICS Code 44 Companies

O'Connor Company Questions

What is the annual revenue of O'Connor Company?

The O'Connor Company annual revenue was $35.4 million in 2026.

Who is the President of O'Connor Company?

Mike O'Connor is the President of O'Connor Company.

How many people are employed at O'Connor Company?

16 people are employed at O'Connor Company.

Where is O'Connor Company based?

O'Connor Company is based in Sioux Falls, South Dakota.

What is the NAICS code for O'Connor Company?

The NAICS codes for O'Connor Company are [444, 23, 238, 44].

What is the SIC code for O'Connor Company?

The SIC codes for O'Connor Company are [525, 52, 5251].

Top O'Connor Company Employees

Mike O'Connor

President at O'Connor Company

Sioux Falls, SD, US
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- oconnorco.com
4
- +1 516-578-XXXX
- +1 605-336-XXXX
- +1 615-471-XXXX
- +1 651-756-XXXX
Jonathan Emerson

Controller at O'Connor Company

Sioux Falls, SD, US
1
- oconnorco.com
1
- +1 402-276-XXXX
Gaila Schreurs

Operations Manager and HR at O'Connor Company

Sioux Falls, SD, US
2
- oconnorco.com
- grcontrolsinc.com
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- +1 701-237-XXXX
- +1 605-336-XXXX
- +1 605-348-XXXX
- +1 605-251-XXXX
- +1 701-237-XXXX
- +1 605-343-XXXX
Tucker Miller

Sales Engineer at O'Connor Company

Sioux Falls, SD, US
1
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2
- +1 605-553-XXXX
- +1 605-371-XXXX
Rick Jorgensen

Sales Representative at O'Connor Company

Sioux Falls, SD, US
1
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2
- +1 605-881-XXXX
- +1 605-334-XXXX
David Burgfechtel

Project Specialist at O'Connor Company

Sioux Falls, SD, US
2
- oconnorco.com
- gmail.com
4
- +1 712-253-XXXX
- +1 270-727-XXXX
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- +1 712-239-XXXX
Nathan McKenzie

Project Specialist at O'Connor Company

Sioux Falls, SD, US
1
- oconnorco.com
2
- +1 631-218-XXXX
- +1 605-759-XXXX
Maggie Neumiller

Project Specialist at O'Connor Company

Rapid City, SD, US
1
- oconnorco.com
Riley Calhoon

Project Specialist at O'Connor Company

Sioux Falls, SD, US
2
- oconnorco.com
- yahoo.com
1
- +1 859-948-XXXX