certs-collageD&L’s Quality Management System (QMS) is registered under API Spec Q1 and International Standard ISO 9001:2015 Quality Management Systems Requirements.  Additionally, D&L has earned an API Spec. 11D1 Monogram license for Packers and Bridge Plugs. Our scope of registration includes: Custom Design, Manufacture, and Sale of Downhole Oilfield Equipment.

D&L Manufacturing has a rating of A+ with the Better Business Bureau.

D&L Manufacturing meets:

  • Oklahoma’s OSHA Standard Requirements
  • Oklahoma’s Department of Environmental Quality Requirements