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Providing Innovative Solutions for Today's Heating and Cooling Needs

Industrial – Commercial – Residential

Find Out Why We Are The Geothermal Experts

About Us 

ACCA Contractor of the Year Award 2012

Owners, Jay Murphy & Peter Shillingford receiving ACCA Contractor of the Year Award 2012

Based in Tulsa, Oklahoma, K & M Shillingford, Inc. (KMS) is a locally owned and operated business with a reputation for honesty, integrity, and quality workmanship. We are a design build mechanical contracting firm and offer professional integrity and a group of highly skilled and trained technicians to handle our clients’ each and every need. We design, sell, install and service all types of heating and cooling systems including conventional systems, geothermal systems, water heaters, and much more.  We have been providing innovative solutions for over 30 years and continue to seek out new and inventive ways to bring comfort and value to our customers. 

Geothermal Experts.  As the most experienced geothermal design-build mechanical contracting firm in the United States, KMS has played an integral role in the development of geothermal technology, applications, marketing, sales, education and training for the industry.  KMS has designed and installed thousands of complete systems utilizing millions of feet of geothermal pipe in the earth.  KMS has gained national recognition for being the innovators of several designs and procedures that are used in the geothermal industry today. 

Community Service

Supporting our community has been a long standing tradition for K&M Shillingford. In an enduring effort to enrich our community, K&M Shillingford established Fire & Ice, a campaign to promote and benefit local non-profit organizations.

The inaugural Fire and Ice Gala was held February 2017 benefiting The Little Light House's building expansion. In 2018, we held the second annual event to continue the mission of The Little Light House.  To learn more and get involved, visit 


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Local Expertise
with National Reach

Serving Northeastern, OK
and the Entire U.S.

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K & M Shillingford, Inc. BBB Business Review