SEDCO Division of Primore, Inc. is a manufacturing company, located in south-eastern Michigan, in the community of Adrian. Founded in 1956, SEDCO currently employs over 40 dedicated personnel. Manufacturing is housed in a 36,000 sq. ft. facility, with Sales and Engineering located in an adjacent office building.

SEDCO primarily focuses on the design and manufacture of Pressure Relief Valves for two specific market applications:

1.) Hermetic Compressors and
2.) Automotive A/C Systems.

However, SEDCO also manufactures valves for braking systems and numerous special automotive applications.

SEDCO has been the leader in PRV design, development and manufacture since the 1960's. Over 400 million SEDCO Pressure Relief Valves have been put into service since that time, with "Zero" Warranty returns. SEDCO has proven to be the true benchmark for quality, delivery and service in this market.

Not limited to Relief Valves only, SEDCO currently supplies regulator valves, flow control valves, and thermal valves for various applications. SEDCO is a premier manufacturer of precision assemblies, requiring 100% testing. This affords SEDCO the opportunity to pursue many high volume, high precision projects.

  ©1999 - 2016 SEDCO - All Rights Reserved
2304 W. Beecher Road • P.O. Box 624 • Adrian, MI 49221
Phone: 517. 263.2220 • Fax: 517. 265.6160 • Email:

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