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.

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