D&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.

• API Specification Q1 – Registration No. Q1-2855
• API-11D1 – License No. 11D1-0109
• API-5CT, Pipe Threader – License No. 5CT-2123
• API-7-1, Threading for Rotary Shouldered Connections – License No. 7-1-1545
• ISO 9001:2015 – APIQR Registration No. 2919

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